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Deformation behavior and plastic instability of boronized Al0.25CoCrFeNi high-entropy alloysJin-xiong Hou1,Jing Fan1,Hui-jun Yang1,Zhong Wang1,Jun-wei Qiao1,21. College of Materials Science... essentially facilitated the plastic instability of the boronized HEAs. With decreasing substrate thickness, the fracture modes gradually transformed from dimples to quasi-cleavage and eventually......
plastic deformation was investigated.The techniques employed were tensile test at room and elevated temperature,deep drawing tests at various strain rates,X-ray diffraction test and potentiodynamic... deformation.It was observed that corrosion resistance after plastic deformation was a function of deformation temperature and alloying elements.关键词:......
Plastic Deformation in Quench-and 650℃ Tempered Steel刘禹门摘 要:<正> The variations of the dislocation structuresin the quench and 650℃ tempered steel withincrease of elongations have been investigatedby using transmission electron microscopy. Inthe small elongation stage, the boundaries betweenferrite and carbide in this steel can releasedislocations......
Atomistic Simulation of the Orientation-dependent Plastic Deformation Mechanisms of Iron NanopillarsY.Zhang 1),D.J.Yu 1) and K.M.Wang 2) 1) Anshan Normal University,43 Pingan... the onset of their plastic deformation behaviors.Yielding was found to occur through two different mechanisms for [001] and [110] tensions.In the former case,plastic deformation is initiated......
Microstructural Evolution of Plastic Deformation of NiTi Shape Memory Alloy at Low Temperature张艳秋,江树勇,ZHAO Yanan,TANG MingIndustrial Training Centre,Harbin Engineering University摘 要:Nickel-titanium shape memory alloy(NiTi SMA) which possesses crystal structure of B2 austenite at room temperature was subjected to plastic deformation at low temperature......
Inner Oxide Fabrication and Severe Plastic Deformation Microstructure Homogenization of Silver Cerium Oxide Composites周晓龙,陈敬超,曹建春,杜焰,张昆华,孙加林摘 要:Fabrication... in inner silver cerium alloy. This no-homogenization microstructure can not be dispersed by general extrusion technology. Severe plastic deformation was adopted to disperse the CeO2 particles......
Foundation item: Project(50575143) supported by the National Natural Science Foundation of China; P......
Plastic deformation behavior of a nickel-based superalloy on the mesoscopic scaleQiang Zhu1,Chuanjie Wang1,Kai Yang1,Gang Chen1,Heyong Qin2,Peng Zhang11. School of Materials Science and Engineering... depending on excellent mechanical properties at high temperatures. The plastic deformation behavior is difficult to predict due to the occurrence of size effect on the mesoscopic scale. In this paper......
大塑性变形(severe plastic deformation,SPD)的研究现状史庆南,王效琪,起华荣,王军丽,周蕾,刘兆华昆明理工大学材料科学与工程学院摘 要:本文概述了近10年来大塑性变形(severe plastic deformation,SPD)研究成果,文章首先简述了各种SPD工艺的特点,其次对SPD强化机理研究现状做了分析,最后基于目前SPD技术的应用现状,对其发展和应用前景展开了必要的讨论和展望.关键词:大塑性变形(SPD);综述;晶粒细化机制;强化机制;第二相;......
;The microstructures in the electroformed copper liners of shaped charges after high-strain-rate plastic deformation were investigated by transmission electron microscopy (TEM). Meanwhile, the orientation... during this plastic deformation process, and the associated deformation temperature is considered to be higher than 0.6 times the melting point of copper.关键词:......
