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Influence of redesigned electrode system on interfacial microstructures and thermal behaviors in resistance micro-welding of stranded conductor to interconnector J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-28 Guanzhi Wu, Nannan Chen, Zhichao Wang, Yi Wei, Jusha Ma, Min Wang, Ke Chen, Chen Shen, Yuhan Ding, Yafei Pei, Bin Qian, Xueming Hua
Mechanical and electrical properties of joints between stranded Ag-plated Cu conductors and Ag-plated Kovar interconnectors are crucial for the reliability and energy efficiency of space solar arrays. Parallel gap resistance welding (PGRW) is a conventional approach for fabricating the welds. However, the PGRW involves two critical issues, namely underheated wire-interconnector interfaces and overheated
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Manufacturing of ultra-thin large titanium alloy tube using the novel hot gas pressure-bending process J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-28 Kunning Fu, Ziwei Zhao, Heli Peng, Kailun Zheng, Shijian Yuan
The bending of ultra-thin large tubular shells is extremely difficult owing to the coexistence of wrinkling at the intrados, cross-sectional deformation, and overthinning at the extrados. This difficulty is further exaggerated for TC4 titanium alloys, which have high deformation resistance and low ductility at room temperature. In this study, a novel hot gas pressure-bending method is developed to
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Microstructure evolution and deformation mechanism along the thickness of heavy-wall ferrite-bainite dual-phase offshore pipelines by the progressive forming process J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-27 Ling-zhi Xu, Gui-ying Qiao, Xin-xin Lu, Yu Gu, Kai Xu, Xiao-wei Chen, Fu-ren Xiao
The progressive forming process of J-forming, C-forming, O-forming, and expansion (JCOE process) is an effective approach for manufacturing high-strength and high-strain offshore pipelines. However, the difference in microstructure of each layer along the thickness increases due to the strain accumulation and deformation direction during pipe forming, which affects the properties. In this study, the
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Additively manufactured β-Ti5553 with laser powder bed fusion: microstructures and mechanical properties of bulk and lattice parts J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-27 Margaret Wu, Marissa Linne, Jean-Baptiste Forien, Nathan R. Barton, Jianchao Ye, Kavan Hazeli, Aurelien Perron, Kaila Bertsch, Y. Morris Wang, Thomas Voisin
Ti5553 (Ti-5Al-5Mo-5V-3Cr wt.%) is a titanium alloy widely used for its high strength-to-weight ratio and good formability at elevated temperatures. Unlike Ti-6Al-4V, Ti5553 does not undergo martensitic transformation, preventing cracking of brittle martensite upon rapid cooling. This makes it a strong candidate for additive manufacturing (AM), particularly laser powder bed fusion (L-PBF). L-PBF offers
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Effect of high-frequency dynamic characteristics in the ultrasonic surface rolling process on the surface properties J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-27 Kai-Ming Zhang, Shuang Liu, Ji Wang, Zhao-Xing Sun, Wen-Jin Liu, Cheng-Cheng Zhang, Xian-Cheng Zhang
Ultrasonic surface rolling process (USRP) is a combination of ultrasonic impact and deep rolling techniques. However, the addition of ultrasonic vibrations complicates the working mechanism of USRP tools. Existing studies rarely consider the evolution of dynamic characteristics in USRP tools resulting from changes in ultrasonic amplitudes, which undoubtedly exert a significant influence on surface
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Effects of beam shaping on copper-steel interfaces in multi-material laser beam powder bed fusion J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-26 C.P. Martendal, P.D.B. Esteves, L. Deillon, F. Malamud, A.M. Jamili, J.F. Löffler, M. Bambach
Multi-material Laser Beam Powder Bed Fusion (PBF-LB) is a promising approach to meet industrial demands for multifunctional components, due to its enhanced freedom of design. Copper and stainless steel are interesting materials to be combined due to the high electrical and thermal conductivity of copper and the mechanical strength and wear resistance of steel. However, this system suffers from copper
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Improving interface bonding strength of laser-welded steel/CFRTP hybrid joint via bilayer silane film J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-24 Zequn Zhang, Hongyun Zhao, Fuyun Liu, Shijia Wang, Jianhui Su, Bo Chen, Xiaoguo Song, Caiwang Tan
The γ-aminopropyltrimethoxysilane (γ-APS) and γ-(2,3-epoxypropoxy) propyltrimethoxysilane (γ-GPS) single or bilayer silane film was produced to improve the tensile property of laser-welded 304 stainless steel/CFRTP joint in this work. The bonding mechanism at joint interface was investigated through experiments as well as density functional theory (DFT) calculation. Si-O-Fe covalent bonds were formed
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Enhancing radial strain uniformity of thin-walled cylinder by the dual asymmetric active counter-roller spinning process J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-24 Ning Yang, Xiaohua Chen, Lijun Zhang, Zhishun Li, Lukuan Li, Su Liu, Jixu Zhou, Shen Fan, Qingqiang He
Aiming at the problem of uneven forces on the inner and outer surfaces during counter-roller spinning (CRS) of thin-walled cylinders, which affects the spinning stability and forming quality, a new dual asymmetric active counter-roller spinning (DAACRS) process is proposed. It enhances the radial strain uniformity through more consistent contact of the inner and outer rollers and the material flow
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Tailoring the microstructure of Al/Ti laminated composite through hot press sintering process to achieve superior mechanical properties J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-23 Biaohua Que, Liang Chen, Lihua Qian, Xiangshan Kong, Guoqun Zhao
A novel method based on hot press sintering was proposed to fabricate the Al/Ti laminated composite, and the effects of sintering parameters on microstructure, interfacial structure, and mechanical properties were thoughtful examined. The results showed that insufficient sintering caused obvious voids and cracks at Al/Ti interface. With the increase of temperature or holding time, a good metallurgical
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A novel process of the bulged tube manufactured by laser-induced shock wave J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-23 Xingquan Zhang, Rui Hu, Jinxiu Fang, Lisheng Zuo, Yuande Yin, Huiting Wang, Shengzhi Li
This study presents a novel tube-forming method that employs a pulsed laser as a stamping tool to form a small-diameter bulged tube, which could not be easily obtained via conventional tube forming. A mechanism for the dynamic forming of a laser-induced micro-bulge was introduced, and an analytical model was developed to analyze the micro-bulging deformation induced by single laser irradiation. A finite
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A superplastic micro-extrusion technology to develop engineered Mg micro-components. J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-23 B. Venkatesh, S.K. Panigrahi
Superplastic micro-extrusion (SME) is a state-of-the-art micro-manufacturing technology that produces intricate shape miniaturized components. Magnesium and its alloys (Mg alloys) are potential contenders for the miniaturization industries due to their lightweight and biocompatibility properties. SME is a promising solution to overcome the room temperature ductility/formability concerns in Mg alloys
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Role of material properties on metal transfer dynamics in gas metal arc welding J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-20 Yuriko Sato, Yosuke Ogino, Tomokazu Sano
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Rheology of Ti-6Al-4V alloy under non equilibrium conditions during β forging J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-20 Pauline Martin, Aurélien Prillieux, Yannick Balcaen, Arnaud Hacquin, Michel Saby, Benjamin Dod, Joël Alexis, Simon Perusin
During the “β-forging” of Ti-6Al-4V structural aircraft components that follows pre-heating above the β-transus, the skin zone of the blank actually cools down to below the β-transus whilst being deformed, as a result of heat losses towards the atmosphere or the dies. The core areas of the bulkiest sections of the blank, however, can be deformed above the β-transus during the whole processing time
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Adaptive Processing Strategy of Pulse Ion Beam for Sub-nanometer Precision Optical Components J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-17 Lingbo Xie, Ye Tian, Feng Shi, Shuangpeng Guo, Gang Zhou
Ion-beam figuring (IBF) imposes strict requirements for machine tool accuracy when achieving nano-precision material removal. This study proposes a novel method for pulsed ion beam (PIB) processing. The continuous IBF ion beam is discretized and the fixed-point quantitative removal of the ion beam was accurately achieved by controlling the frequency and duty cycle of the pulsed beam flow. The impact
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Strong composite SnAgCu solder joints with internal aligned carbon fibers by magnetic field J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-15 Aiwei Liu, Xiaoliang Ji, Yihui Du, Yishu Wang, Yufeng Wu, Fu Guo
Lightweight carbon fibers with high mechanical performance are referred to as an ideal reinforcement for an extensive variety of composite materials. However, the addition of carbon fibers into electronic interconnection solders is extremely limited so that the expected reinforcement in the mechanical properties of the composite solder joints has not been completely realized. Here, we used magnetic
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Preparation of multifunctional protective coating on alloy surface by laser-electrodeposition additive-subtractive hybrid manufacturing J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-15 Yang Liu, Mingyi Wu, Zhaoyang Zhang, Yufeng Wang, Lingchao Meng, Keqian Cai, Hao Zhu, Kun Xu, Jinzhong Lu
The preparation of multi-protective coatings is of great significance for improving the surface performance and prolonging the service life of parts. Here, a composite preparation method combining subtractive and additive manufacturing has been proposed to manufacture durable coatings with multiple protective capabilities. A special surface composed of a micro-nano structure and a zinc nickel composite
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Development of a novel approach to middle-tube asymmetric spinning via generic rollers J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-15 Zhen Jia, Yongping Shen, Xue Gong, Baoming Liu
The asymmetric spinning in the middle-tube is a field that has not yet been thoroughly explored. An approach for this process using generic rollers is first proposed that introduces a novel method for forming irregularly shaped tubes suitable for industrial production. This paper delves into the precise forming of the novel spinning process under tool-less controlled axial and radial metal flow conditions
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Rolling force model of V-shaped variable thickness rolling based on energy approach J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-13 Sai Wang, Haitao Gao, Xiaogong Wang, Junhua Hu, Yang Yang, Yinan Sun, Rihuan Lu, Xianlei Hu, Xianghua Liu, Changsheng Li, Yu Zhang, Wei Song
V-shaped Variable Thickness Rolling (V-VTR) serves as a specialized cold rolling method for manufacturing rolled profiled strips, particularly useful for quickly preparing rolled profiled strips with large thickness ratios. In the process of variable thickness rolling, metal predominantly flows in the lateral direction. However, there is a scarcity of theoretical models for calculating the rolling
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Designing Al alloys for laser powder bed fusion via laser surface melting: microstructure and processability of 7034 and modified 2065 J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-13 M. Roscher, Z. Sun, E.A. Jägle
Age-hardenable 2000- and 7000-series aluminium alloys share the ability to achieve outstanding combinations of high specific strength and fracture toughness without including expensive alloying elements such as scandium. Using laser surface melting (LSM), we investigate the suitability of two commercial, high-strength aluminium alloys (ultimate tensile strength ≥ 600MPa) for laser powder bed fusion
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Evaluation of the segregation in printed mono-sized Al-In alloy droplets J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-12 Yichen Wang, Longxin Zhang, Jun Luo, Lehua Qi
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Improved machinability of single crystal silicon by applying in-situ laser-vibration hybrid assisted diamond cutting J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-12 Jianguo Zhang, Xinhuan Li, Yufan Fu, Yunxiang Zheng, Honglei Mo, Xiao Chen, Junfeng Xiao, Jianfeng Xu
Single crystal silicon is an important optical material used widely in the infrared systems. The surface quality and subsurface damage of silicon seriously affect the service performance. In this study, an in-situ laser-vibration hybrid assisted diamond cutting technology is proposed. The properties of cutting device were tested as experimental parameters. A series of grooving experiments were carried
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Molten pool behaviors and forming characteristics in wire-laser directed energy deposition with beam oscillation J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-09 Yuhua Cai, Yuxing Wang, Hui Chen, Jun Xiong
This research proposes a novel variant of wire-laser directed energy deposition (DED), named beam oscillating wire-laser DED. In this technique, the laser beam oscillates periodically in an 8-shape or infinite pattern to control the forming quality and geometries of the deposited layer. The novelty is that how the laser oscillating pattern, frequency, and amplitude affect the forming qualities and
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Improvement on microstructure and mechanical properties of Cu/Al ultrasonic spot welded joints assisted by periodic additional force J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-08 Zhiyuan Xu, Yansong Zhang
This study utilizes active control of welding clamping force through periodic additional force (PAF) to assist in fabricating ultrasonic spot-welded copper-aluminum joints. The microstructural characteristics and mechanical properties of the copper-aluminum ultrasonic spot welded with periodic additional force joints were systematically investigated. Periodic additional force was applied to the welding
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The impact of thermocapillary on equiaxed/columnar microstructure evolution in laser powder bed fusion: A high-fidelity ray-tracing based finite volume and cellular automaton study J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-08 Heng Gu, Yanzhao Fu, Chao Wei, Lin Li, Lili Qian, Wangfan Zhou, Yongjian Li, Xudong Ren
The thermocapillary effect plays a critical role in the formation of molten pool during laser powder bed fusion (LPBF) process. The resulting temperature history governs the subsequent microstructure evolution of the manufactured component, thereby exerting a substantial influence on its mechanical properties. However, the precise relationship between the thermocapillary effect and the resulting microstructure
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Partial transient liquid phase bonding of misoriented single crystal superalloys via a mixture of nickel-chromium-tantalum and nickel-based superalloy powders J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-07 Zhenqian Lang, Taiyong Zou, Zheng Ye, Tao Wu, Wanli Wang, Jian Yang, Jihua Huang
In order to realize high-performance joining of misoriented single crystal superalloys, a rapid partial transient liquid phase (PTLP) bonding process was proposed in this work. By using a mixture of nickel-chromium-tantalum (Ni-Cr-Ta) and nickel-based superalloy (FGH4096) powders as filler material, high-performance PTLP joints of misoriented single crystal superalloys (DD5) were obtained. The joint
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Visualization and monitoring of the injection molding process using ultrasonic phased array J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-07 Kaipeng Ji, Ruoxiang Gao, Hao Chen, Jianzhong Fu, Peng Zhao
Injection molding is a significant means of producing high-quality plastic parts. In the injection molding process, the microstructure of the product is directly determined by two factors: the melt front and flow velocity. However, it is challenging to penetrate the steel mold and monitor the cavity inside, where the melt process happens. In this paper, the ultrasonic phased array is firstly introduced
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Low temperature and rapid diffusion bonding of Ni3Al-based superalloy with Ni-based superalloy by spark plasma sintering J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-06 Tong Wu, Ce Wang, Jia Yang, Rui Xu, Xiaoqian Xue, Mengchun Fu, Yuwei Zhao, Jiujie Xu, Qiuguang Zhang, Panpan Lin, Xin Yue, Tiesong Lin, Peng He
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Unravelling the influence of vibration on material removal and microstructure evolution in ultrasonic transversal vibration-assisted helical milling of Ti-6Al-4V holes J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-06 Daxi Geng, Zhefei Sun, Yihang Liu, Lianxing Liu, Enze Ying, Jun Cai, Xinggang Jiang, Deyuan Zhang
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Influence of ZrB2 and Al2O3 nanoparticles on microstructure and mechanical property of friction stir welded joints of in-situ 7085Al matrix composites J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-06 Kelun Sun, Xizhou Kai, Chengchao Du, Xu Gao, Qiang Peng, Tao Wang, Yutao Zhao
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A new laser-induced plasma electrolyte jet machining method: Efficient material removal mechanism and synergistic effects J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-06 Mingxin Yu, Liqun Du, Fenglai Wang, Aoqi Li, Ce Zhang
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Inhibiting the shrinkage porosity in 30Cr15Mo1N ingots by vanadium-nitrogen synergy during pressurized solidification J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-06 Zhuo-Wen Ni, Hong-Chun Zhu, Hua-Bing Li, Bin Li, Zhi-Yu He, Hao Feng, Shu-Cai Zhang, Peng-Chong Lu, Zhou-Hua Jiang
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Effects of vector length on the melt pool morphology and grain structure characteristics of Alloy 718 in laser powder bed fusion J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-05 L. Li, H. Chen, X. Wang, Z. Liao
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Fundamental study on direct and serial joining of spherical alumina particles with CO2 laser J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-03 Yuta Hosoya, Daijiro Tokunaga, Satoshi Momozono, Yuko Aono, Atsushi Hirata
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Effect of shot speeds on the microstructural framework and abnormal eutectic bands in a high pressure die casting hypoeutectic AlSi10MnMg alloy J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-03 X.Y. Jiao, P.Y. Wang, Y.X. Liu, J.J. Jiang, W.N. Liu, A.X. Wan, L.J. Shi, C.G. Wang, S.M. Xiong
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Probing joining mechanism of Ti6Al4V - SS316L steel rods in pressure-controlled joule-heat forge welding J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-02 Rishabh Shotri, Takuya Miura, Peihao Geng, Yoshiaki Morisada, Kohsaku Ushioda, Hidetoshi Fujii
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Mechanical properties and strengthening mechanisms of Ti-6Al-4V treated by electro-pulsing assisted laser shock peening J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-02 Shuowen Zhang, Wentai Ouyang, Rong Jiang, Xiu Qin, Rujia Wang, Mina Zhang, Zhanfei Zhang, Zhe Wu, Wenwu Zhang
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Simultaneous flattening and hardening of laser shock peened Zr-based metallic glass surface by nanosecond laser irradiation in a flowing nitrogen atmosphere J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-02-02 Yongfeng Qian, Bo Liu, Jing Hong, Minqiang Jiang, Zhiyu Zhang, Lin Zhang, Hu Huang, Jiwang Yan
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New Rosette Tools for Developing Rotational Vibration-assisted Incremental Sheet Forming J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-26 H. Long, W.X. Peng, Z.D. Chang, H. Zhu, Y.J. Jiang, Z.H. Li
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Cold precision forming and microstructure evolution of ribbed tube for nuclear fuel cladding by multi-pass drawing J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-28 Wei Li, Baoyu Wang, Shengqiang Liu, Chao Zhang, Yunhao Huang, Jingyou Chen
Aiming at the problems of poor structural stability and low service life caused by the traditional forming method of round tube wrapped with iron wire and fixed by spot welding at both ends, this paper proposes to use multi-pass cold drawing and intermediate annealing process to realize the integral forming and precision forming of ribbed tube for nuclear fuel cladding, and microstructure evolution
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Hole formation mechanisms in double-sided laser drilling of Ti6Al4V-C/SiC stacked materials J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-22 Lei Gao, Chang Liu, Junjie Liu, Tao Yang, Yan Jin, Dan Sun
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Quantitative analysis of micro-crack formation in machining of nickel-based cast superalloy through in-situ imaging technique J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-24 Guang-Chao Nie, Dong Zhang, Zheng-Yan Yang, Xiao-Ming Zhang, Han Ding
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Research on a new counter-roller active spinning process for forming Al alloy thin-walled cylinders J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-23 Fan Li, Chengcheng Zhu, Shengdun Zhao
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Multi-laser powder bed fusion of Ti6Al4V: Diode area melting utilizing low-power 450 nm diode lasers J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-24 Halil Caglar, Anqi Liang, Kristian Groom, Kamran Mumtaz
Diode Area Melting (DAM) is an innovative approach to laser powder bed fusion. This research for the first time utilized multiple low wavelength (450 nm) and low power lasers (4 W each) to simultaneously process Ti6Al4V from a powder bed, resulting in high density samples (> 99%). The use of nine lasers perpendicular to the scanning direction allowed for the creation of melt pools with widths larger
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Novel interface characteristics and strengthening mechanisms in extruded fiber(Ti)-reinforced Al-based composites J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-19 Mingfu Liu, Cunsheng Zhang, Zhenyu Liu, Zijie Meng, Jun Yan, Liang Chen, Guoqun Zhao
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Functional grading of low alloy steel to 316 L by wire arc additive manufacturing – Microstructural and mechanical characterization of bi-metal interface J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-22 J.L. Galán Argumedo, M. Mahmoudiniya, T.E. Reinton, L.A.I. Kestens, M.J.M. Hermans, V.A. Popovich
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Effect of tool revolutionary pitch on heat transfer and material flow in Al/steel friction stir lap welding J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-20 Peihao Geng, Hong Ma, Pengkang Zhao, Ninshu Ma, Miura Takuya, Hidetoshi Fujii
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A holistic approach for evaluation of Gaussian versus ring beam processing on structure and properties in laser powder bed fusion J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-13 Jaivindra Singh, J.P. Oliveira, Hunter Taylor, Jorge Mireles, Ryan Wicker
In this study, a holistic evaluation strategy employing a complex test artifact, coupled with single line scan tracks, was employed to examine the influence of different laser beam energy profiles on various features of laser-based powder bed fusion of metals (PBF-LB/M). Using IN718, results revealed a significant influence of the laser beam on bead geometry. Specifically, the conventional Gaussian
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Effects of different laser shock processes on the surface morphology and roughness of TC4 titanium alloy J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-18 Mengyue Wang, Xizhang Chen, Fengze Dai, Arshad Noor Siddiquee, Sergey Konovalov
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Improving the adhesion of cold sprayed Al deposits through in-situ micro-forging J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-17 Xiao-Tao Luo, Xingke Liu, Yingkang Wei, Xiaohui Han, Chang-Jiu Li
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Modulation of melt pool behaviour using novel laser beam oscillation methods J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-15 T. Girerd, A. Gameros, M. Simonelli, A. Norton, A.T. Clare
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Full-field eigenstrain reconstruction for the investigation of residual stresses in finite length weldments J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-09 Fatih Uzun, Tung L. Lee, Zifan I. Wang, Alexander M. Korsunsky
The reconstruction of welding residual stresses has been performed based on the assumption of continuous processing conditions, owing to the limitations of reconstruction methods. This assumption prevents the attainment of a comprehensive understanding of mechanical deformations in the entire weld zone. The voxel-based eigenstrain (inherent strain) reconstruction method emerges as an appropriate approach
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Lode-dependent Yld91 function for anisotropic-asymmetric hardening modeling of metals under non-associated flow rule J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-14 Songchen Wang, Hongchun Shang, Miao Han, Can Zhou, Qiang Chen, Yanshan Lou
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Force servo nano-precision diamond cutting of freeform surfaces on a micro-precision machine J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-09 Zhongwei Li, Yuan-Liu Chen, Hui Li, Bing-Feng Ju
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Fabrication of high aspect ratio grooves on aluminium nitride by laser and chemical milling enhanced micro milling J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-12 Ni Chen, Jiawei Liu, Ning He, Xingzhi Xiao, Junyi Zhao, Yibo Jia, Nan Yu
Aluminium nitride (AlN) ceramic is a typically difficult-to-machine material used in electronic packaging. Laser and chemical milling enhanced micro milling (LCMEM), a high-quality and efficient processing method for AlN, is proposed in this study. Rough machining is completed by repeated alternating laser ablation and chemical removal; the final finish is achieved by micro milling (MM). To achieve
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Introducing transversal vibration in twist drilling: Material removal mechanisms and surface integrity J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-11 Zhefei Sun, Daxi Geng, Hailin Guo, Qun Zhang, Yihang Liu, Lianxing Liu, Xinggang Jiang, Deyuan Zhang
In twist drilling, severe extrusion is unavoidable at the chisel edge zone and results in high thrust force and poor surface integrity. Traditional axial vibration-assisted twist drilling only modifies the material removed from the continuous extrusion to the interrupted extrusion for the chisel edge centre, and must satisfy the chip-breaking conditions to ensure that the cutting edge is periodically
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Adaptive multi-point flexible-bending technology for improving the quality of profile using discrete dies driven by snake-shaped motion mechanism J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-10 Songyue Yang, Yi Li, Jicai Liang, Yu Wen, Ce Liang, Qigang Han
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Transient and steady models for blue laser directed energy deposition J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-09 Qianglong Wei, Zijue Tang, An Wang, Liping Guo, Huihui Yang, Yi Wu, V.A.M. Cristino, C.T. Kwok, Haowei Wang, Hongze Wang
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Toward understanding the fractured mechanism in laser welded–brazed Al/steel interface by in–situ SEM tensile observations J. Mater. Process. Tech. (IF 6.3) Pub Date : 2024-01-09 Hongbo Xia, Baiyun Yang, Yongdian Han, Lianyong Xu, Caiwang Tan, Liqun Li, Haoyue Li, Xiaoye Zhao, Kaiping Zhang, Xuan Su, Peihao Geng, Ninshu Ma
In laser welded–brazed Al/steel dissimilar joints, interfacial metallic compound (IMC) had a determined effect on the joint strength. Dynamics interfacial fractured behaviors and generated condition for the IMC which was most beneficial for joint strength (aimed IMC) were hardly defined. This research investigated interfacial fractured behaviors for the joints obtained different laser manufacturing