- 作 者: ( "genlian fan" OR "gen-lian fan" )
-
Micro/nano-reinforcements in bimodal-grained matrix: A heterostructure strategy for toughening particulate reinforced metal matrix compositesScripta Materialia (IF 6.302) Pub Date : 2022-05-06 ,DOI:10.1016/j.scriptamat.2022.114774Hang Sun, Farhad Saba, Genlian Fan, Zhanqiu Tan, Zhiqiang LiTo overcome strength-ductility trade-off in particulate metal matrix composites (PRMMCs), we developed a novel and controllable strategy, for the first time, via a combination of micro/nano-reinforcements and ultrafine/coarse-grained (UFG/CG) matrices. A powder assembly was developed to fabricate micro B4Cp/6061Al composites, which features UFG/CG matrices containing ex/in-situ nano dispersoids and ...
-
Effect of thermomechanical treatment and length-scales on spatial distribution of CNTs in Al matrixCarbon (IF 11.307) Pub Date : 2022-01-15 ,DOI:10.1016/j.carbon.2022.01.024Qibing Liu, Genlian Fan, Zhanqiu Tan, Farhad Saba, Qiang Guo, Dingbang Xiong, Yishi Su, Zhiqiang Li, Di ZhangState Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaControlling the location of carbon nanotubes (CNTs) within Al matrix is still challenging. To clarify the factors/mechanisms affecting the spatial distribution of CNTs, Short and Long CNTs were chosen as reinforcements, and their locations were characterized after ball milling, sintering and hot extrusion in order to study the effect of length-scale, thermal activation and external applied stress. ...
-
Powder assembly & alloying to CNT/Al–Cu–Mg composites with trimodal grain structure and strength-ductility synergyComposites Part B: Engineering (IF 11.322) Pub Date : 2021-08-30 ,DOI:10.1016/j.compositesb.2021.109271Xiaowen Fu, Zhanqiu Tan, Ziqi Ma, Zan Li, Genlian Fan, Ding-Bang Xiong, Zhiqiang LiA novel strategy of powder assembly & alloying was used to achieve trimodal grain structure in carbon nanotubes (CNTs) reinforced aluminum matrix composites. The soft pure Al and hard 2024Al powders were firstly ball milled with CNTs for CNT/Al and CNT/2024Al flakes with different thicknesses, then were assembled with coarse-grained pure Al powders. Under the confinement of CNTs, these three building ...
-
Towards the strength-ductility synergy of Al2O3/Al composite through the design of roughened interfaceComposites Part B: Engineering (IF 11.322) Pub Date : 2021-08-23 ,DOI:10.1016/j.compositesb.2021.109251Zhiming Zhang, Genlian Fan, Zhanqiu Tan, Haitao Zhao, Yanjin Xu, Dingbang Xiong, Zhiqiang LiIn the study, a roughened interface is designed to achieve the strength-ductility synergy of Al2O3/Al composites fabricated by flake powder metallurgy. The roughened SiO2@Al2O3 platelets are fabricated by high-shear dispersion process and subsequent sintering at the high temperature. The results show that different morphologies of asperities on the surface of SiO2@Al2O3 platelets can be obtained via ...
-
Enhanced mechanical properties of CNT/Al composite through tailoring grain interior/grain boundary affected zonesComposites Part B: Engineering (IF 11.322) Pub Date : 2021-07-11 ,DOI:10.1016/j.compositesb.2021.109133Behzad Sadeghi, Zhanqiu Tan, Jiashuo Qi, Zhiqiang Li, Xinrui Min, Zhenming Yue, Genlian FanThe relationship between different ball milling (BM) conditions and mechanical properties of CNT/Al composites was studied through tailoring grain interior/grain boundary affected zone (GI/GBAZ). The ultrafine-grained (UFGed) architectures of the CNT/Al composites made from flake powders with the same thickness under different BM conditions, introduce different strain rates and vary dislocation density ...
-
Precipitation of Al3Zr by two-step homogenization and its effect on the recrystallization and mechanical property in 2195 Al–Cu–Li alloysMaterials Science and Engineering: A (IF 6.044) Pub Date : 2021-06-24 ,DOI:10.1016/j.msea.2021.141637Qibing Liu, Genlian Fan, Zhanqiu Tan, Zhiqiang Li, Di Zhang, Hao ZhangTo improve the recrystallization resistance of 2195 Al–Cu–Li alloys, we proposed a two-step homogenization (TS) to facilitate the homogeneous nucleation of Al3Zr, and the effect of Al3Zr precipitate on the recrystallization behavior and on the strength and ductility of 2195 alloys were investigated. It is shown that the first low-temperature homogenization in TS promotes the nucleation of Al3Zr due ...
-
Influence of aging treatment on mechanical properties of CNT/Al–Cu–Mg rolled compositesMRS Communications (IF 2.935) Pub Date : 2021-05-12 ,DOI:10.1557/s43579-021-00044-wChao Yuan,Zhiming Zhang,Tongliang Du,Ying Li,Shuyan Zhang,Zhanqiu Tan,Genlian Fan,Peng Zhang,Zhiqiang LiInfluence of aging treatment on mechanical properties was investigated in the CNT/Al–Cu–Mg rolled composites. The tensile strength of composites was strongly dependent on the aging annealing treatment, and stronger aging effect was observed in the composites compared with matrix alloy. The ultimate tensile strength was highest in the CNT/Al–Cu–Mg composites with peak-aging treatment, however, it sharply ...
-
Reinforcement with intragranular dispersion of carbon nanotubes in aluminum matrix compositesComposites Part B: Engineering (IF 11.322) Pub Date : 2021-04-18 ,DOI:10.1016/j.compositesb.2021.108915Qibing Liu, Genlian Fan, Zhanqiu Tan, Qiang Guo, Dingbang Xiong, Yishi Su, Zhiqiang Li, Di ZhangCarbon nanotubes (CNTs) reinforced Al composites with a unique intragranular dispersion were obtained by using ultra-short CNTs. Nano-scaled CNTs were uniformly distributed inside the ultrafine Al grains. In comparison with typical CNT/Al composites with intergranular CNTs dispersion, this intragranular CNT/Al composites enable stronger dislocation pinning and retention, thereby exhibits simultaneous ...
-
Bioinspired multiscale Al2O3-rGO/Al laminated composites with superior mechanical propertiesComposites Part B: Engineering (IF 11.322) Pub Date : 2021-04-17 ,DOI:10.1016/j.compositesb.2021.108916Zhiming Zhang, Genlian Fan, Zhanqiu Tan, Haitao Zhao, Yanjin Xu, Dingbang Xiong, Zhiqiang LiNacre's multiscale reinforcing mechanisms provide lessons for the design and fabrication of high-performance engineering composites. In this study, the addition of hierarchically aligned flake Al2O3 and reduced Graphene Oxide (rGO) nanosheets into Al matrix constitute the bioinspired multiscale Al2O3-rGO/Al laminated composite via flake powder metallurgy. The results show that multiscale Al2O3-rGO ...
-
Enhanced strain hardening by bimodal grain structure in carbon nanotube reinforced Al-Mg compositesMaterials Science and Engineering: A (IF 6.044) Pub Date : 2020-12-30 ,DOI:10.1016/j.msea.2020.140726Xiaowen Fu, Ziyun Yu, Zhanqiu Tan, Genlian Fan, Pengfei Li, Mingju Wang, Ding-Bang Xiong, Zhiqiang LiThe uniform distribution of carbon nanotubes (CNTs) can lead to severe grain refinement to ultrafine-grained (UFG) regime of Al matrix, resulting in low strain hardening ability, thereby low ductility in CNT/Al composites. To evade this dilemma, CNT/Al-Mg composites with bimodal microstructures were prepared by a powder assembly process in this study. The effects of weight/volume fraction of coarse ...
-
Enhanced ductility by Mg addition in the CNT/Al-Cu composites via flake powder metallurgyMaterials Today Communications (IF 3.662) Pub Date : 2020-11-10 ,DOI:10.1016/j.mtcomm.2020.101854Chao Yuan, Zhiming Zhang, Zhanqiu Tan, Lang Xu, Shuyan Zhang, Genlian Fan, Peng Zhang, Zhiqiang LiThe inevitable native oxide layer is a critical issue to achieve high mechanical performance of CNT/Al-alloy composites, especially prepared by powder metallurgy. Here, an easy strategy was proposed to avoid and eliminate the negative effect of native oxide (Al2O3) layer by Mg addition, and significant improvement of ductility was achieved in the CNT/Al-Cu composite. Native Al2O3 remained as continuous ...
-
Bioinspired hierarchical Al2O3/Al laminated composite fabricated by flake powder metallurgyComposites Part A: Applied Science and Manufacturing (IF 9.463) Pub Date : 2020-11-02 ,DOI:10.1016/j.compositesa.2020.106187Zhiming Zhang, Zan Li, Zhanqiu Tan, Haitao Zhao, Genlian Fan, Yanjin Xu, Ding-bang Xiong, Zhiqiang LiInspired by nacre’s design principle, a bottom-up strategy by self-assembly alignment of flake powders, namely flake powder metallurgy, is employed to fabricate bioinspired laminated composites with brick-and-mortar structure. The microscale flake Al2O3 powders and flake Al powders with native Al2O3 nanolayers are utilized to fabricate the bioinspired hierarchical Al2O3/Al laminated composites, and ...
-
Trimodal grain structure enables high-strength CNT/Al-Cu-Mg composites higher ductility by powder assembly & alloyingMaterials Research Letters (IF 8.516) Pub Date : 2020-10-05 ,DOI:10.1080/21663831.2020.1818324Xiaowen Fu, Zhanqiu Tan, Xinrui Min, Zan Li, Zhenming Yue, Genlian Fan, Ding-Bang Xiong, Zhiqiang Li
A grain structure tailoring strategy was implemented by powder assembly & alloying in carbon nanotube reinforced Al-Cu-Mg composites. Tensile tests revealed that composites with trimodal grain structure had an outstanding combination of strength and ductility, surpassing that of composites with simpler grain structures (e.g. bimodal and unimodal structure). An in-situ tracking of the strain distributions
...
-
Simultaneously enhanced electrical conductivity and strength in Cu/graphene/Cu sandwiched nanofilmScripta Materialia (IF 6.302) Pub Date : 2020-10-01 ,DOI:10.1016/j.scriptamat.2020.06.051Zhilei Dong, Yifei Peng, Zhanqiu Tan, Genlian Fan, Qiang Guo, Zhiqiang Li, Ding-Bang XiongAbstract Cu/graphene/Cu sandwiched nanofilms with a thickness of ~100 nm were prepared on SiO2/Si substrates by a combined process of magnetron sputtering and graphene transfer. Except for an enhancement of 14.9% on hardness as compared to Cu/Cu nanofilms, the as-sputtered and annealed sandwiched nanofilms show improvements on electrical conductivity by 18.0% and 17.2%, respectively. By using Raman ...
-
Simultaneous enhancement of strength and ductility with nano dispersoids in nano and ultrafine grain metals: a brief reviewReviews on Advanced Materials Science (IF 5.028) Pub Date : 2020-08-12 ,DOI:10.1515/rams-2020-0028Yusheng Hu, Ziyun Yu, Genlian Fan, Zhanqiu Tan, Jiandang Zhou, Hao Zhang, Zhiqiang Li, Di Zhang
Grain refinement is the most universal and effective method of strengthening metallic materials, which is known as the “Hall-Petch” relationship. However, when grain size is refined to sub-micro regime (Ultrafine Grain, UFG) or even nano regime (Nano Grain, NG), the plasticity of metallic materials becomes poor. Massive studies indicate that the low strain hardening ability resulted from the enhanced
...
-
Nucleation and growth mechanisms of interfacial carbide in graphene nanosheet/Al compositesCarbon (IF 11.307) Pub Date : 2020-05-01 ,DOI:10.1016/j.carbon.2020.01.032Yuanyuan Jiang, Zhanqiu Tan, Genlian Fan, Zhibo Zhang, Ding-Bang Xiong, Qiang Guo, Zhiqiang Li, Di ZhangAbstract The interface reaction is the focus of interface control in the graphene/Al composites, but its evolution processes are still unclear. The present work revealed the nucleation and growth mechanisms of the interfacial reaction product, aluminum carbide (Al4C3), in the graphene nanosheet (GNS)/Al composites. The nucleation of Al4C3 was found to mainly start at the open edge of GNSs due to the ...
-
Wide and fine alignment control and interface modification for high-performance thermally conductive graphite/copper compositeComposites Part B: Engineering (IF 11.322) Pub Date : 2020-03-13 ,DOI:10.1016/j.compositesb.2020.107965Huaijie Cao, Zhanqiu Tan, Genlian Fan, Qiang Guo, Yishi Su, Zhiqiang Li, Ding-Bang XiongA controlled alignment of micro-/nano-fillers with anisotropic morphology and properties in a composite matrix will allow developing materials with tailored properties, but which still remains challenging. Here, alignment of graphite plates in Cu matrix was well controlled in a wide range with fine steps by elaborately designed morphologies of copper powders. Polarized Raman scattering demonstrated ...
-
Reaction-free interface promoting strength-ductility balance in graphene nanosheet/Al compositesCarbon (IF 11.307) Pub Date : 2020-03-01 ,DOI:10.1016/j.carbon.2019.11.010Yuanyuan Jiang, Zhanqiu Tan, Genlian Fan, Lei Wang, Ding-Bang Xiong, Qiang Guo, Yishi Su, Zhiqiang Li, Di ZhangAbstract The chemical reaction between graphene and Al matrix plays an important role in determining the interface states and mechanical performances of graphene nanosheet (GNS) reinforced Al matrix composites. In this study, effects of interfacial reaction on the strengthening behaviors of GNS/Al composites were investigated. The formation of reaction products, aluminum carbide (Al4C3), was finely ...
-
Microstructure-based modeling on structure-mechanical property relationships in carbon nanotube/aluminum compositesInternational Journal of Plasticity (IF 8.5) Pub Date : 2019-09-01 ,DOI:10.1016/j.ijplas.2019.05.006Run Xu, Zhanqiu Tan, Genlian Fan, Gang Ji, Zan Li, Qiang Guo, Zhiqiang Li, Di ZhangAbstract The present work investigates structure-mechanical property correlations of carbon nanotube/aluminum (CNT/Al) composites through characterization and microstructure-based modeling. The nanoscale architecture of these composites, produced by flake powder metallurgy, was established using a transmission electron microscope equipped with an automated crystal orientation mapping system. The architecture ...
-
Fabrication and mechanical properties of CNT/Al composites via shift-speed ball milling and hot-rollingJournal of Materials Research (IF 2.909) Pub Date : 2019-07-16 ,DOI:10.1557/jmr.2019.219Chao Yuan, Zhanqiu Tan, Genlian Fan, Mingliang Chen, Quan Zheng, Zhiqiang LiFlat products of carbon nanotubes (CNTs) reinforced Al matrix composites were fabricated using flake powder metallurgy via shift-speed ball milling and hot-rolling. The evolution of CNTs during preparation and the final distribution in the Al matrix were investigated, and the effect of CNT content on mechanical properties were discussed. Due to the combined effect of uniform dispersion of CNTs, structural ...
-
Heat treatment behavior and strengthening mechanisms of CNT/6061Al composites fabricated by flake powder metallurgyMaterials Characterization (IF 4.537) Pub Date : 2019-07-01 ,DOI:10.1016/j.matchar.2019.05.017Malin Chen, Genlian Fan, Zhanqiu Tan, Chao Yuan, Qiang Guo, Dingbang Xiong, Mingliang Chen, Quan Zheng, Zhiqiang Li, Di ZhangAbstract The carbon nanotubes reinforced 6061Al composites (CNT/6061Al) with CNTs uniformly dispersed were fabricated by flake powder metallurgy process. The mechanical properties of composites, with and without artificial heat-treatment, were compared to the unreinforced 6061Al alloy. It was found that higher content of oxygen was introduced with increasing CNTs and consumed the magnesium element ...
-
The Influence of Interface Structure on the Electrical Conductivity of Graphene Embedded in Aluminum MatrixAdvanced Materials Interfaces (IF 6.389) Pub Date : 2019-05-22 ,DOI:10.1002/admi.201900468Mu Cao,Yongzhi Luo,Yiqun Xie,Zhanqiu Tan,Genlian Fan,Qiang Guo,Yishi Su,Zhiqiang Li,Ding‐Bang XiongGraphene is considered a promising reinforcement to improve the electrical conductivity of metals because of its excellent intrinsic electrical conductivity. However, graphene/Al matrix composites with enhanced electrical conductivity have not yet been reported. In this work, it is attempted to understand the factors influencing the electrical conductivity of graphene embedded in an Al matrix by adjusting ...
-
Strain Rate Sensitivity and Deformation Mechanism of Carbon Nanotubes Reinforced Aluminum CompositesMetallurgical and Materials Transactions A (IF 2.726) Pub Date : 2019-05-21 ,DOI:10.1007/s11661-019-05284-zXiaowen Fu, Run Xu, Chao Yuan, Zhanqiu Tan, Genlian Fan, Gang Ji, Ding-Bang Xiong, Qiang Guo, Zhiqiang Li, Di ZhangThe deformation mechanism of carbon nanotubes (CNTs) reinforced Al (CNT/Al) composites at room temperature is yet to be discovered. In this study, CNT/Al composites and ultrafine-grained (UFG) Al prepared by flake powder metallurgy were subjected to strain rate jump tests to study the effect of CNTs on the deformation mechanism of the UFG Al. The results showed that the addition of CNTs greatly influenced ...
-
Enhanced load transfer by designing mechanical interfacial bonding in carbon nanotube reinforced aluminum compositesCarbon (IF 11.307) Pub Date : 2019-05-01 ,DOI:10.1016/j.carbon.2019.01.108Ziyun Yu, Zhanqiu Tan, Run Xu, Gang Ji, Genlian Fan, Ding-Bang Xiong, Qiang Guo, Zhiqiang Li, Di ZhangAbstract The interfacial native oxide layer always acts as barriers preventing effective interfacial bonding and load transfer in carbon nanotube reinforced aluminum (CNT/Al) composites. In this work, annealing-controlled reaction between the interfacial native oxide layer and Mg element was attempted to improve interfacial bonding in CNT/Al Mg composite, and mechanical interfacial bonding featured ...
-
Interface-induced strain hardening of graphene nanosheet/aluminum compositesCarbon (IF 11.307) Pub Date : 2019-05-01 ,DOI:10.1016/j.carbon.2019.01.094Yuanyuan Jiang, Run Xu, Zhanqiu Tan, Gang Ji, Genlian Fan, Zan Li, Ding-Bang Xiong, Qiang Guo, Zhiqiang Li, Di ZhangInterface effect was a key mechanism for the deformation of metal matrix composites, which has not been well understood yet in those reinforced with nanoreinforcements. In this study, we prepared graphene nanosheet reinforced aluminum (GNS/Al) composites exhibiting improved tensile strength from 233 to 287 MPa while retaining good uniform elongation from 5.5 to 5.8% compared with the unreinforced Al ...
-
Tailoring and characterization of carbon nanotube dispersity in CNT/6061Al compositesMaterials Science and Engineering: A (IF 6.044) Pub Date : 2019-04-26 ,DOI:10.1016/j.msea.2019.04.093Malin Chen,Genlian Fan,Zhanqiu Tan,Chao Yuan,Dingbang Xiong,Qiang Guo,Yishi Su,Makio Naito,Zhiqiang LiThe dispersity of carbon nanotubes in CNT/6061Al composites was tailored by varying the pre-dispersion state of CNTs on Al spherical powders, which was controlled by the high-shear pre-dispersion process. The difference in the dispersity and structural integrity of carbon nanotubes and the degree of interfacial reaction in the composites were analyzed by Raman spectroscopy mapping. The results show ...
-
Thermal relaxation of residual stress in shot-peened CNT/Al–Mg–Si alloy compositesJournal of Materials Research and Technology (IF 6.267) Pub Date : 2019-04-23 ,DOI:10.1016/j.jmrt.2019.01.023Kaiyuan Zhu, Zhiqiang Li, Genlian Fan, Run Xu, Chuanhai Jiang
A carbon nanotubes (CNTs)-reinforced Al–Mg–Si alloy composite was made and shot peened. After shot peening, a compressive residual stress field was generated in shot peened layer. The change law of residual stress and microhardness with annealing time at elevated temperatures (150 °C, 200 °C, and 250 °C) was investigated. An Al–Mg–Si alloy without CNT addition is prepared in the same process to compare
...
-
Enhanced corrosion resistance in metal matrix composites assembled from graphene encapsulated copper nanoflakesCarbon (IF 11.307) Pub Date : 2019-02-01 ,DOI:10.1016/j.carbon.2018.10.088Baoyin Jin, Ding-Bang Xiong, Zhanqiu Tan, Genlian Fan, Qiang Guo, Yishi Su, Zhiqiang Li, Di ZhangAbstract Corrosion protection of metals is of great importance due to their widespread use. Graphene (Gr) has shown promising corrosion resistance as a coating for metals, however, its excellent strengthening effect that has been widely shown is suppressed in such coating applications. Here, inspired by positive anti-corrosion role of graphene coating for metal macro-foils, graphene encapsulated Cu ...
-
Thermal properties of in situ grown graphene reinforced copper matrix laminated compositesJournal of Alloys and Compounds (IF 6.371) Pub Date : 2019-01-01 ,DOI:10.1016/j.jallcom.2018.08.274Huaijie Cao, Ding-Bang Xiong, Zhanqiu Tan, Genlian Fan, Zhiqiang Li, Qiang Guo, Yishi Su, Cuiping Guo, Di ZhangAbstract Copper micro-flakes were encapsulated with in situ catalytically grown graphene and then assembled into graphene/Cu (Gr/Cu) laminated composite under pressure at high temperature. The thermal conductivity (TC) and coefficient of thermal expansion (CTE) of the composites were investigated systematically. Although in situ catalytic growth graphene can avoid structural damage in a usual mechanical ...
-
Graphene quality dominated interface deformation behavior of graphene-metal composite: the defective is betterInternational Journal of Plasticity (IF 8.5) Pub Date : 2018-12-01 ,DOI:10.1016/j.ijplas.2018.07.020Zan Li, Xidan Fu, Qiang Guo, Lei Zhao, Genlian Fan, Zhiqiang Li, Ding-Bang Xiong, Yishi Su, Di ZhangAbstract When nano-scaled reinforcements (“nanofillers”) are incorporated into a metal matrix, the enhancement in mechanical properties may well exceed those predicted by the “rule-of-mixtures”, owing to the rich interplay between the nanofiller and the various crystalline defects in the metal matrix. However, how the nanofillers and their interfaces with the matrix affect the deformation and failure ...
高级搜索
我的搜索条件
京公网安备 11010802027423号