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Fe81Ga19合金取向单晶生长及磁致伸缩性能陈立彪1,朱小溪1,李川1,刘敬华1,蒋成保1,徐惠彬1(1.北京市北京航空航天大学材料科学与工程学院空天材料与服役教育部重点实验室)摘 要:采用悬浮区熔法,加入籽晶控制牛长取向,以4 mm/h的牛长速度,制备了轴向<001>择优取向的Fe81Ga19单晶.极图测试结果发现,采用偏离轴向<001>方向约5°的籽晶牛长得到的单晶,牛长始端和牛长未端轴向取向分别偏离<001>取向5°和4°,上下取向差仅为1°.另一单晶采用轴向<001>取向籽晶牛长得到,当施加60 MP......
of organic base on crystal surface different orientation is not equal, which can enlarge the sample surface pattern difference. Such performance is disadvantaged for finished sample surface. But we can... Slurry and processing technique of CLBO crystal WANG Sheng-li(王胜利), LIU Yu-ling(刘玉岭), NIU Xin-huan(牛新环), TAN Bai-mei(檀栢梅) School of Information Engineering, Hebei University of Technology......
direction, , with the unit normal vector of the slip plane, , gives the Schmid orientation tensor, , in the intermediate frame. Details of vectors of slip systems for FCC crystal with 12 {111}<110... Explicit incremental-update algorithm for modeling crystal elasto-viscoplastic response in finite element simulation LI Hong-wei(李宏伟), YANG He(杨 合), SUN Zhi-chao(孙志超) ......
crack growth rate; crystal orientation 钛合金具有高比强度,高比刚度及高韧性等优点,因此大量应用到飞机机体,结构体和发动机零件等领域.TC4合金是目前应用最广泛的钛合金之一.由于钛合金材料成本高,且通过机械加工,锻造和焊接等方法加工比较困难,在一定程度上限制其进一步推广应用.采用精密铸造技术则可以提高钛合金材料的利用率,降低成本[1].目前,大型,薄壁,整体精密钛合金... of Sciences, 2008. [5] BANTOUNAS I, DYE D, LINDLEY T C. The effect of grain orientation on fracture morphology during high-cycle fatigue of Ti-6Al-4V[J]. Acta Materialia, 2009, 57(12): 3584-3595. [6] 雷......
field belong to polycrystals, which can be viewed as an aggregation of single crystal with specific orientation. In general, when the metal polycrystals are subjected to plastic deformation, the randomly...J. Cent. South Univ. (2017) 24: 2747-2756 DOI: https://doi.org/10.1007/s11771-017-3688-1 Texture evolution and inhomogeneous deformation of polycrystalline Cu based on crystal plasticity finite......
γ/γ′ interface strengthening of Re in single crystal superalloys LUO Yu-shi(骆宇时), LI Jia-rong(李嘉荣), LIU Shi-zhong(刘世忠), HAN Mei(韩 梅), CAO Chun-xiao(曹春晓) National Key Laboratory of Advanced High... with various Re contents, the effects of Re on the interfacial structure characteristic and interfacial dislocations of γ/γ′ in single crystal superalloys were investigated. A high resolution transition......
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for the strong crystal orientation dependence of friction and wear behaviors of the single crystal zirconium at the nanoscale. Moreover, the effects of tangential dislocation motion on the friction force...; crystal orientation Foundation item: Project(51775495) supported by the National Natural Science Foundation of China; Project (2020YFG0135) supported by the Key Research and Development Program of Sichuan......
Analysis and Characterization of Orientation Structure of Pre-oxidized PAN Fibers in High Magnetic Fields任小孟1,2,王源升2,3,HE Te4,XIA Zhengcai51. Department of Ship Sanitation,Naval Medical Research... heterocycle in pre-oxidized PAN fibers, and the movement of magnetic units resulted in changes of orientation structure of pre-oxidized PAN fibers in high magnetic fields. Overall orientation increased......
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