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The effects of microstructure and temperature on the deformation heterogeneities and fatigue behaviour of a Ni-based superalloy Philos. Mag. (IF 1.6) Pub Date : 2024-02-20 R. K. Rai, N. Paulose, J. K. Sahu
This research investigates the coupling effect of microstructure and temperature on the fatigue performance of an equiaxed Ni-base superalloy, EA, at design-significant temperatures (750–930°C) for...
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Geometry of dimples and its correlation with mechanical properties in high-strength bainitic steel Philos. Mag. (IF 1.6) Pub Date : 2024-02-15 Arpan Das
The experimental measurements of 2D micro/nanolayered dimples' dimensions (both geometry and pattern) on the published tensile fractographs of a series of austempered high-strength low-carbon baini...
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Unifying the size effect observed in micropillar compression experiments Philos. Mag. (IF 1.6) Pub Date : 2024-02-07 Halil Yilmaz, Brian Derby
Micropillar compression experiments show size effect, σp/μ = A(d/b)n, where σp, is the flow stress, μ is the resolved shear modulus, d is the pillar diameter and b is Burgers’ vector. With fcc meta...
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The new sight to Fe–C system Philos. Mag. (IF 1.6) Pub Date : 2024-02-05 Qingru Liu, Dejun Li, Yanqing Lu, Lei Kang, Fayu Wu, Deli Shang
The crystalline Fe–C alloy had been the focal point of research in the traditional metallurgical steel industry. However, its corresponding amorphous alloy system had received little attention, wit...
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Gas in external fields: the weird case of the logarithmic trap Philos. Mag. (IF 1.6) Pub Date : 2024-01-23 Loris Ferrari
The effects of an attractive logarithmic potential u(r)=u0ln(r/r0) (u0>0 being the trap strength and r0 an arbitrary length scale) on a gas of N non interacting particles (Bosons or Fermions), in ...
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Optical properties and Landau quantisations in twisted bilayer graphene Philos. Mag. (IF 1.6) Pub Date : 2024-01-23 Chih-Wei Chiu, Chang-Ting Liu, Chiun-Yan Lin, Ming-Fa Lin
The optical properties and Landau quantisations in twisted bilayer graphene are investigated using a generalised tight-binding model that takes into account all interlayer and intralayer atomic int...
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Estimating dislocation density from electron backscatter diffraction data for an AZ31/Mg-0.6Gd hybrid alloy fabricated by high-pressure torsion Philos. Mag. (IF 1.6) Pub Date : 2024-01-26 Thierry Baudin, Hiba Azzeddine, François Brisset, Yi Huang, Terence G. Langdon
The Geometrically Necessary Dislocation (GND) density was estimated from Electron Backscatter Diffraction (EBSD) data for an AZ31/Mg-0.6Gd (wt.%) hybrid material fabricated by high-pressure torsion...
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Prediction of new KVBi monolayer stability and electronic, magneto-optic and thermoelectric properties Philos. Mag. (IF 1.6) Pub Date : 2024-01-28 Farzaneh Ghafari Eslam, Hossein Karami, Arash Boochani, Arash Yari, Nosratali Vahabzadeh, Elmira Sartipi
In this paper, we investigate the electronic, mechanical, magneto-optic and thermoelectric properties of a d0-d half-Heusler monolayer, named KVBi Heuslerene. We prove that this material is stable ...
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Changes in grain size during the stress relaxation stage of viscoelastic firn Philos. Mag. (IF 1.6) Pub Date : 2024-01-28 Yuan Li
Changes in grain size of two firn (density from ∼550 to ∼820–840 kg m−3) samples, extracted at Summit Greenland during their stress relaxation over 3 days were observed using optical micrographs. T...
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Generation of viable nanocrystalline structures using the melt-cool method: the influence of force field selection Philos. Mag. (IF 1.6) Pub Date : 2024-01-28 Stephen M. Handrigan, Sam Nakhla
The influence of force field selection on the formation of nanocrystalline structures of pure copper using the Melt-Cool method within Molecular Dynamics (MD) was investigated. This is of utmost im...
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Influence of pre-existing configurations of dislocations on the initial pop-in load during nanoindentation in a CrCoNi medium-entropy alloy Philos. Mag. (IF 1.6) Pub Date : 2024-01-23 Frederic Habiyaremye, Antoine Guitton, Xiaolei Chen, Thiebaud Richeton, Stéphane Berbenni, Florian Schäfer, Guillaume Laplanche, Nabila Maloufi
The origin and mechanisms responsible for incipient plasticity in metals are still poorly understood. Moreover, the reasons for the recently reported large scattering of the initial pop-in load rem...
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Numerical study to compare effective elastic, piezoelectric, and thermal properties of a gyroid triply periodic minimal surface and 0–3 piezoelectric composites with lead-free Ba(Ti0.8Zr0.2 ) O3-x (Ba0.7Ca0.3) TiO3 reinforcement Philos. Mag. (IF 1.6) Pub Date : 2024-01-21 Nada Alfryyan, Saptarshi Karmakar, Raj Kiran, Diwakar Singh, Rahul Vaish, M. S. Al-Buriahi, Imen Kebail
The present numerical work presents a comparative study of the effective elastic, piezoelectric, and thermal properties of polyvinylidene fluoride (PVDF) matrix and Ba(Ti0.8Zr0.2)O3−x(Ba0.7Ca0.3)Ti...
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Mobility of screw dislocations absorbed in <110> symmetric tilt grain boundaries in Al Philos. Mag. (IF 1.6) Pub Date : 2024-01-16 Joshua Kempfert, Douglas E. Spearot
The strength and ductility of polycrystalline metals are influenced by the interactions between dislocations and grain boundaries, particularly when the grain size is small. One possible reaction i...
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Ab-initio calculation of magnetic properties of doped methylammonium lead chloride Philos. Mag. (IF 1.6) Pub Date : 2024-01-10 Sudipta Moshat, Dirtha Sanyal
Magnetic properties of 3d transition metal ion doped methylammonium lead chloride (MAPbCl3) have been studied by ab-initio calculations in the framework of density functional theory. The study of s...
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Evaluation of disclination Frank vector in ridge kink microstructure Philos. Mag. (IF 1.6) Pub Date : 2024-01-07 Sigiet Haryo Pranoto, Shogo Yokota, Daiki Oka, Shunsuke Kobayashi, Ryuichi Tarumi
This study conducts dislocation-based modelling and numerical analysis to clarify the presence of disclinations within kinked deformation microstructures using the framework of differential geometr...
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A hybrid dislocation deforming two welded anisotropic crystals Philos. Mag. (IF 1.6) Pub Date : 2023-12-20 Nizar Lefi, Salem Neily, Roland Bonnet
The elastic field of an angular dislocation line that has a branch placed in a crystal of a bi-material while the other branch is along a strongly bound or welded interface, is found when the two c...
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Electronic, magnetic, half-Metallic, pressure-induced elastic and curie temperature predictions of Zr2RhTl Heusler alloy: DFT and EFT studies Philos. Mag. (IF 1.6) Pub Date : 2023-12-20 Evren Görkem Özdemir, Semih Doğruer, Ziya Merdan
The DFT method investigated the total and partial magnetic moments, half-metallic characters, and pressure-dependent elastic properties of Zr2RhTl alloy. According to the ground state properties, t...
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An EBSD analysis of a commercial immiscible Cu43%Cr alloy after high-pressure torsion processing and annealing Philos. Mag. (IF 1.6) Pub Date : 2023-12-20 I. Bibimoune, K. Abib, T. Baudin, F. Brisset, Y. Huang, D. Bradai, T. G. Langdon
The influence of high-pressure torsion (HPT) and annealing on microstructure, texture and thermal stability of an immiscible composite Cu43%Cr alloy was studied using electron backscatter diffracti...
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Phase transformation kinetics in a homogenised cast alloy 625 and its impact on deformation micromechanisms Philos. Mag. (IF 1.6) Pub Date : 2023-12-15 Sonika Chahar, Ashwin Kumar Godasu, Arunansu Haldar, Suhrit Mula
This study focuses on understanding the impact of sequential ageing on the microstructural evolution of a large-grained structure homogenised cast alloy 625 and its effect on mechanical properties....
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Ti-Al-based alloys with Mo: high-temperature phase equilibria and microstructures in the ternary system Philos. Mag. (IF 1.6) Pub Date : 2023-12-15 Benedikt Distl, Frank Stein
Molybdenum is one of the major alloying elements in TiAl-based alloys for high-temperature structural applications developed over the last decades. This is due to its stabilising effect on the (βTi...
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Whereabouts of missing atoms in a laser-injected Si (part IV): interaction of plasma Si with dislocations in a laser-injected Si Philos. Mag. (IF 1.6) Pub Date : 2023-12-15 Hiroyasu Saka, Hiroyuki Iwata
The interaction of dislocations with plasma Si in a laser-injected Si was studied comprehensively using a combination of in-situ and ex-situ heating experiments in 200 kV electron microscopes and i...
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A mechanical metamaterial with adjustable positive to negative Poisson’s ratio based on rotating trapeziums and triangles Philos. Mag. (IF 1.6) Pub Date : 2023-12-17 Teik-Cheng Lim
This paper proposes a metamaterial in which the Poisson’s ratio can be tuned from positive to negative for infinitesimal deformation, and can evolve from positive to negative or vice versa for larg...
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The synergy between texture evolution and grain refinement in a BCC steel Philos. Mag. (IF 1.6) Pub Date : 2023-12-12 Alok Kumar Singh, Basudev Bhattacharya, Devesh Kumar Chouhan, Badirujjaman Syed, Somjeet Biswas
This work investigates the synergy between texture evolution and grain refinement in ultra-low carbon body-centred cubic (BCC) ferritic steel. In this regard, experiments and polycrystal plasticity...
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Study on discontinuous precipitation behaviour and performance change of Cu–Ti–Ni during aging Philos. Mag. (IF 1.6) Pub Date : 2023-12-02 Guangming Cao, Ruixiang Li, Zhanjie Gao, Chenggang Li, Hao Wang
The discontinuous precipitation behaviour and properties of Cu–Ti–Ni alloy during aging precipitation were studied by means of electron backscatter diffraction (EBSD), scanning electron microscopy ...
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Effects of grain boundary characters on the carbide precipitation in Inconel Alloy 600 Philos. Mag. (IF 1.6) Pub Date : 2023-12-02 Hui Li, Mengchao Zhang, Qiuyue Wu, Suzen Wang
The precipitation of carbide at the grain boundary is one of the key factors that influences the resistance of intergranular corrosion. The morphology and growth mechanism of the carbides precipita...
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Diffusion mechanism in liquid Al–Cu melt under high magnetic field Philos. Mag. (IF 1.6) Pub Date : 2023-12-02 Wenhao Lin, Meilong Feng, Ying Liu, Hao Cai, Zhe Shen, Chunmei Liu, Tianxiang Zheng, Bangfei Zhou, Yunbo Zhong
High static magnetic field (HMF) is now a widely used technique to tailor materials. However, as one of the most fundamental properties in liquid alloy melts, atomic diffusion under HMF still lacks...
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Thermodynamic property of one-dimensional hydrogenic impurity in Nitride semiconductor quantum well Philos. Mag. (IF 1.6) Pub Date : 2023-12-02 Xue Liu, De-hua Wang, Xin-yu Xie, Bin-hua Chu, Shu-fang Zhang, Gang Zhao
The thermodynamic properties of one-dimensional (1-D) hydrogenic impurity in Nitride semiconductor quantum well have been investigated. Firstly, using a combination of the linear variational approa...
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Interstitial-oxygen induced and magnetically driven HCP-to-FCC transformation in CoCrFeNiOx high-entropy alloy: a first-principles study Philos. Mag. (IF 1.6) Pub Date : 2023-11-02 Yu Liu, Guang-Ping Zheng
We report the influences of oxygen interstitials and magnetisms on phase stability and structural transformation of CoCrFeNi high-entropy alloy (HEA) from first-principles calculations. It is found...
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Nonlinear optical properties of modified Möbius squared potential well: influence of electric and magnetic fields Philos. Mag. (IF 1.6) Pub Date : 2023-10-18 Aysevil Salman Durmuslar, Hassen Dakhlaoui, Emre Bahadır Al, Fatih Ungan
This work presents a numerical study on the electronic and optical properties of modified Möbius squared potential well in the presence of static electric and magnetic fields. The potential well is...
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Modification of the elastic field of an edge dislocation Philos. Mag. (IF 1.6) Pub Date : 2023-10-18 J. P. Hirth
The classical description of the elastic field of an edge dislocation is modified by the addition of a line force to the Burgers vector. Also, partitioning of displacements is imposed, consistent w...
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Amorphization of gold film on silicon single crystal by hardness indentation at room temperature Philos. Mag. (IF 1.6) Pub Date : 2023-09-14 Akira Hatakeyama, Toshimasa Yoshiie
ABSTRACT The formation of an amorphous gold-silicon alloy by indentation is reported. A polycrystalline gold film formed via vapour deposition on a silicon (111) substrate was indented using a Berkovich indenter with a load of 0.05 N. The indentation area was observed by transmission electron microscopy after thinning the silicon substrate from the back side (unindented surface). A set of halo rings
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Modelling of nanosensors based on localised surface plasmon resonance Philos. Mag. (IF 1.6) Pub Date : 2023-09-13 Aida Firoozi, Reza Khordad, Hamid Reza Rastegar Sedehi
To design nanosensors based on localised surface plasmon (LSP), a structure is considered consisting of metal nanoparticles and study the influence of nanoparticles size, material, geometry, and ba...
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Anomaly detection for structural formation analysis by autoencoders: application to soft matters Philos. Mag. (IF 1.6) Pub Date : 2023-09-07 Takamichi Terao
Machine-learning-based computational methods for structural analysis have been proposed to study colloidal systems. However, most of these methods are based on supervised learning, which suffers fr...
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Electronic and optical properties of eccentric two dimensional quantum rings subjected to transverse tilted magnetic field Philos. Mag. (IF 1.6) Pub Date : 2023-08-29 D. Senouci, D. Nasri, C. A. Duque
Within the effective mass approximation framework, the electronic and optical properties of GaAs-based two-dimensional eccentric quantum rings subjected to a transverse magnetic field with an incli...
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Initial structural transformation of Mg-Sm binary alloys during early isothermal aging Philos. Mag. (IF 1.6) Pub Date : 2023-08-26 Yiqiang Hao, Jingxu Zheng, Xia Chen, Bin Chen
The initial structural transformation of Mg-Sm binary alloys on early isothermal aging is investigated by first-principles calculations. There are three typical precipitate structures in this perio...
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Changes over time in ferroelectricity of nanocomposites containing cellulose combined with [NH4][Zn(HCOO)3] Philos. Mag. (IF 1.6) Pub Date : 2023-08-24 Hoai Thuong Nguyen
For the first time, a composite based on a ferroelectric metal-organic framework of [NH4][Zn(HCOO)3] combined with nanocellulose at different cellulose concentrations from 0 to 75 wt% was synthesis...
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Dynamic recrystallisation behaviour and intrinsic workability of 12%Cr USC rotor steel during hot deformation Philos. Mag. (IF 1.6) Pub Date : 2023-08-19 Yue Xu, Jiansheng Liu
ABSTRACT Hot deformation of 12%Cr USC rotor steel was investigated by hot compression testing over a temperature range of 900 °C to 1,200 °C at strain rates of 0.001 s−1–1 s−1 with the use of a Gleeble–1500D thermal-mechanical simulator. The true stress–strain curves were obtained and showed that the stress increased with a decrease in temperature, an increase in strain rate, or both. Based on the
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Nanoporous palladium synthesised by dealloying Al72Pd20Mn8 quasicrystal for electrochemical applications Philos. Mag. (IF 1.6) Pub Date : 2023-08-21 Yingmin Wang, Wantong Zhao, Jialin Song, Dianguo Ma, Jianbing Qiang, Chuang Dong, Shao-Bo Mi
ABSTRACT A new sort of nanoporous palladium has been synthesised by electrochemical dealloying icosahedral Al72Pd20Mn8 quasicrystal. A nanoporous cell-like pattern is formed in the dealloyed samples, with a mean pole size of 8 nm and a cell wall thickness of ∼ 5 nm. The quasicrystal grains decompose into randomly orientated FCC Pd(Al) nanocrystals in the initial stage of dealloying, which assumes a
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Microstructure-crystallographic texture and substructure evolution in unpeened and laser shock peened HSLA steel upon ratcheting deformation Philos. Mag. (IF 1.6) Pub Date : 2023-08-14 Pushpendra Kumar Dwivedi, R. Vinjamuri, Krishna Dutta
Uniaxial ratcheting behaviours associated with microstructural development of unpeened and laser shock peened ASTM A 588 Grade D High Strength Low Alloy (HSLA) steel were studied in this investigat...
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Study of correlations between glass-transition temperature and local structure of Ge-As-Se, Ge-As-Se-S chalcogenide glasses Philos. Mag. (IF 1.6) Pub Date : 2023-08-13 Rahim Alekberov, Salima Mekhtiyeva, Samir Mammadov
ABSTRACT The local structure and glass transition of Ge-As-Se, Ge-As-Se-Schalcogenide glasses have been studied by X-ray diffraction and differential scanning calorimetry. By applying the theory of topological constraints and considering chemically ordered network models, it has been determined that Ge10As20S10Se60 (average coordination number ⟨r⟩⟨r⟩ = 2.4), Ge25As10S25Se40 ( ⟨r⟩⟨r⟩ = 2.6) are the
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Occurrence of {332}⟨113̅⟩ deformation twinning in a single crystal of an Fe–3mass%Al alloy Philos. Mag. (IF 1.6) Pub Date : 2023-08-10 Takehiro Abe, Naoki Miyazawa, Susumu Onaka
An impact test was conducted on a single crystal of an Fe–3mass%Al alloy with a bcc structure. Microstructural changes in the sheared regions resulting from the impact test were examined. Deformati...
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Accelerating the precipitation kinetics of nano-sized T1 and S’ phases in Al-Cu-Li alloys by hot-deformation and creep-aging Philos. Mag. (IF 1.6) Pub Date : 2023-08-07 Xinghai Yang, Junsheng Wang, Chengpeng Xue, Shuo Wang, Guangyuan Tian, Xingxing Li, Yuxuan Zhang, Xiaoxue Chang, Xiaoguang Liu
ABSTRACT It is well known that a Cu/Li ratio over 4.0 leads to significant precipitation hardening in the third generation of Al–Li alloys, which have been widely used in aerospace and aeronautic industries. However, increasing Cu levels not only cancels some gains in weight reduction but also results in reductions in ductility when the traditional age-hardening process is adopted. In this study, we
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The role of microstructure modifications on electrochemical and plasma-nitriding behaviour of 316L steel produced by laser powder bed fusion Philos. Mag. (IF 1.6) Pub Date : 2023-08-07 Vikesh Kumar, Catalin Iulian Pruncu, Yaping Wang, Carlos A. Figueroa, Indrasen Singh, Santosh S. Hosmani
The study investigates the impact of microstructure modifications on the corrosion, passivation, and plasma-nitriding behaviour of 316L steel. Microstructure modifications are achieved through the ...
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Nonlinear optical properties of coupled quantum dots in peanut configuration Philos. Mag. (IF 1.6) Pub Date : 2023-08-07 E. S. Hakobyan, D. A. Baghdasaryan, E. M. Kazaryan, P. A. Mantashyan, D. B. Hayrapetyan
This paper presents a theoretical investigation of nonlinear properties of coupled quantum dots in the peanut configuration. A complete Hamiltonian is formulated using the adiabatic method and the ...
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Electromagnetic bandgaps of fixed-length Thue-Morse plasma/dielectric/superconductor photonic band multilayers Philos. Mag. (IF 1.6) Pub Date : 2023-07-25 Malihe Nejati, Mehdi Solaimani, Sanaz Azizi
ABSTRACT In this work, we study the electromagnetic bandgaps and passbands of some fixed-length Thue-Morse plasma/dielectric/superconductor photonic band multilayers. we consider vanadium (V) as a low-temperature superconductor and investigate the effect of the refractive index of the dielectric, the length of the photonic crystal length, the number of layers, plasma density, and the temperature of
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Evolution of recrystallization texture in nickel-iron alloys: experiments and simulations Philos. Mag. (IF 1.6) Pub Date : 2023-07-25 Gyan Shankar, Shuchi Sanandiya, Luis A. Barrales-Mora, Satyam Suwas
ABSTRACT The present work is aimed at examining the effect of solid solution on the development of recrystallization microstructure and texture in FCC materials where SFE remains unchanged on alloying addition. To elucidate the mechanisms of texture formation during recrystallization, pure Ni and Ni-Fe (20 and 40 wt.% Fe) alloys were investigated. After recrystallization, pure Ni showed a cube and
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Utilising physics-informed neural networks for optimisation of diffusion coefficients in pseudo-binary diffusion couples Philos. Mag. (IF 1.6) Pub Date : 2023-07-25 Hemanth Kumar, Neelamegan Esakkiraja, Anuj Dash, Aloke Paul, Saswata Bhattacharyya
ABSTRACT We propose a numerical inverse method based on physics-informed neural networks (PINN) for calculating composition-dependent diffusion coefficients in pseudo-binary (PB) diffusion couples in multicomponent alloys. Traditional methods rely solely on experimental diffusion profiles as design targets, which can lead to unreliable estimates. In contrast, PINN uses a combination of available data
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A strategy to reveal the laser ablation resistance mechanism of Cu-W alloy: experiments and simulations Philos. Mag. (IF 1.6) Pub Date : 2023-07-10 Chao Jiang, Renqiang Jiao, Zhihong Zhang, Zhicong He, Bowen Dong
ABSTRACT Cu-W70-90 (wt.%) alloys were prepared by infiltration method, and the laser ablation experiments were conducted. The laser ablation resistance mechanism of Cu-W alloy was revealed with the guidance of the mathematic model coupling heat and fluid flow. By comprehensively analysing the calculation and the experimental results, the laser spot generated giant heat which will vaporise and melt
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Theory of melting of glasses Philos. Mag. (IF 1.6) Pub Date : 2023-07-09 Chandra M. Varma
ABSTRACT Glassy matter like crystals resists change in shape. Therefore a theory for their continuous melting should show how the shear elastic constant μ goes to zero. Since viscosity is the long wave-length low frequency limit of shear correlations, the same theory should give phenomena like the Volger-Fulcher dependence of the viscosity on temperature near the transition. A continuum model interrupted
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Electronic and optical responses of laser dressed triple concentric quantum rings in electric field Philos. Mag. (IF 1.6) Pub Date : 2023-07-09 Doina Bejan, Adrian Radu, Cristina Stan
ABSTRACT In this paper, we theoretically studied a 3D structure of GaAs/Al0.3Ga0.7As triple concentric quantum rings submitted to the combined action of a non-resonant intense laser and a static electric field. The 3D model was built using the cross-sectional profile of the structure that corresponds to a realistic experimental case of triple rings with different heights and widths. The electric field
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Quantifying the effect of non-equilibrium vacancies on Bragg–Williams ordering Philos. Mag. (IF 1.6) Pub Date : 2023-07-09 Nikolay I. Polushkin
ABSTRACT Bragg–Williams (BW) modelling is a mean-field approach to order–disorder phase transformations (ODPT´s) in substitutional alloys. While the BW theory itself is for thermal equilibrium, the relaxation of the alloy to the equilibrium state in terms of the BW approach was studied by Dienes who introduced the chemical balance equation for temporal evolution of the long-range order parameter S
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Design of a nickel–cobalt based eutectic high entropy alloy (NiCo)1.7AlCrFe with hierarchical microstructural length scales Philos. Mag. (IF 1.6) Pub Date : 2023-07-01 R.J. Vikram, Khushbu Dash, Shanmukha Kiran Aramanda, Satyam Suwas
ABSTRACT A combined nickel–cobalt-based eutectic high entropy alloy (Ni-Co-based HEA) has been designed based on the valence electron concentration (VEC) value. The microstructure of the developed alloy consists of a face-centered cubic (FCC) and ordered cubic (B2) structure, which was validated using CALPHAD. The microstructure is hierarchical with length scales in micrometers (lamellar eutectic morphology)
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Nickel partitioning in ZnNi coatings (Ni less than 4 wt.%) and its effect on the coating corrosion behaviour Philos. Mag. (IF 1.6) Pub Date : 2023-07-01 K. Sai Jyotheender, Manu Mathai, Surendra Kumar Makineni, Chandan Srivastava
ABSTRACT ZnNi alloy coatings with low Ni content (1–4 wt.% Ni) were electrodeposited over mild steel. Ni addition changed the coating morphology from faceted to hillock, decreased the crystallite size, and shifted the basal plane texture to higher energy (01 1¯1) texture. Zn-1.5 wt.% Ni coating exhibited significantly improved corrosion resistance, even better than the pristine Zn coating. The corrosion
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A molecular dynamics study of sintering of micro injection moulded alumina nano particles Philos. Mag. (IF 1.6) Pub Date : 2023-06-22 Indrani Mukherjee, Prosenjit Das
ABSTRACT In this study, a comprehensive molecular dynamics (MD) study on the structural evolution of alumina nanoparticles during sintering has been performed using two-sphere model. The effect of variation in particle size and heating rate are investigated. A power-law equation is proposed to explain the increase of dimensionless neck radius, with the increasing sintering time. Two important parameters
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Correction Philos. Mag. (IF 1.6) Pub Date : 2023-06-21
Published in Philosophical Magazine (Vol. 103, No. 15, 2023)
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Deposition current density-induced grain boundary engineering of electrodeposited cobalt coatings for enhanced electrochemical stability Philos. Mag. (IF 1.6) Pub Date : 2023-06-20 G. Mohan Kumar, Mrinal Phukon, Chandan Srivastava
ABSTRACT Cobalt coatings were electrodeposited at different deposition current densities (10 mA·cm−2, 20 mA·cm−2, 30 mA·cm−2, 40 mA·cm−2, 60 mA·cm−2) over mild steel substrate. The coating deposited at 30 mA·cm−2 showed the highest corrosion resistance (Rp = 7515Ω·cm2) due to a higher fraction of Low energy grain boundary constitution (i.e. coincidence site lattices (CSLs) and low angle grain boundaries
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Unveiling the effect of interface on torsional behavior of crystalline Al-Al90Sm10 metallic glass nanolaminates Philos. Mag. (IF 1.6) Pub Date : 2023-06-11 Srishti Mishra, Snehanshu Pal
ABSTRACT Influence of configurational design of single crystal Al-Al90Sm10 metallic glass nanolaminates on torsion deformation behaviour of Al/Al90Sm10 nanolaminate (Configuration 1) and Al90Sm10/Al nanolaminate (Configuration 2) from a structural evolution aspect have been analysed by employing Molecular Dynamics for a torsion speed of 1/600 revolution/ps. Adaptive common neighbour (a-CNA) analysis
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Adjusting the balance between strength and ductile of the tetragonal TiAl3 alloy: a first-principles investigation Philos. Mag. (IF 1.6) Pub Date : 2023-06-11 Yong Pan, Xiaowen Chen
ABSTRACT Although TiAl3 is widely used in various high-temperature fields, the adjustment of the balance between the strength and ductility of the tetragonal TiAl3 remains a challenge. To solve the key problem, here, we apply the first-principles method to study the influence of four transition metals (TM = V, Cr and Mo) on the mechanical properties of the tetragonal TiAl3. The structural stability
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Effects of temperature and frequency on cyclic deformation behaviours of Cu single crystals Philos. Mag. (IF 1.6) Pub Date : 2023-06-08 L.W. Kong, Z.B. Xing, Y. Shu, Q.Q. Duan, Z.F. Zhang, P. Li
ABSTRACT Temperature and frequency are significant extrinsic factors that influence the cyclic deformation behaviour of face-centred cubic crystal (fcc) single crystals. For Cu single crystals, an increase in temperature causes the disappearance of the plateau region in the cyclic stress–strain (CSS) curves and a significant decrease in the saturation resolved shear stress at low strain amplitudes
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Effect of tilted magnetic field on the binding energy of a hydrogenic donor in a near triangular quantum well Philos. Mag. (IF 1.6) Pub Date : 2023-06-01 M. Gayathri, P. Dhurkadevi, S. Meena, S. Ramyapriya, M. Arulmozhi
ABSTRACT Low-dimensional semiconductor systems have attracted considerable attention of the researchers because of their applications such as speed circuits, optical devices etc. The application of external perturbations like magnetic field can change the properties of these systems. Study on tilted magnetic fields is of interest theoretically as it illustrates special confinement effects. In the present