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alloy thick-plate GONG Hai1, 2, 3, WU Yunxin2, 3, CHEN Lei2, 3, LI Yihua2, 3, WANG Xiaoyan2, 3 (1. School of Materials Science and Engineering, Central South University, Changsha 410083, China; 2... 410083, China) Abstract: Aiming to solve the deformation problem of large size aluminum alloy thick plate, FEM quenching-tension-straightening model of aluminum thick plate was built, with which......
; TiO2 中图分类号: TG139; TG178 文献标识码: A TiO2 film preparation and hemocompatibility of NiTi shape memory alloy GENG Fang1, SHI Ping1, F. T. Cheng2 (1. School of Materials & Chemical Engineering... of NiTi alloys by sol-gel method. The variations of gel on heating were analyzed by DSC. The X-ray diffraction results indicate that TiO2 film formed on NiTi alloy is rutile. Compared with uncoated NiTi......
. The elastic modulus of Li-containing alloys decreases with the increment of precipitates though it is higher than that of Al-Zn-Mg-Cu alloy. Key words: Al-Zn-Mg-Cu-Li alloys; ageing; precipitates; elastic...-Zn-Mg-Cu-Li alloy is 5% higher than that of Al-Zn-Mg-Cu alloys, which is agree to other Al-Li alloys[3]. When pre-aged at 80 ℃, 5 h+100 ℃, 5 h+120 ℃, 5 h, and then aged......
for titanium alloy bolt and process improvement YAO Gang (Beijing Aeronautical Manufacturing Technology Research Institute, Beijing 100024, China) Abstract: The failure of head and rod separation appears in a type of d 6 mm×1.5 mm aircraft Ti6Al4V titanium alloy countersunk head bolt in tensile strength test. The failed part was investigated by macro and micro fracture analysis......
, the microstructure and creep mechanism of Hf-containing K416B as-cast Ni-based superalloy with high W content were investigated. The results show that the as-cast microstructure of the alloy consists of γ matrix... carbide embeds in the eutectic. During creep, the deformation mechanisms of the alloy are that the dislocations with different orientations slip in the matrix, and the dislocation may bypass or shear......
;Chemical composition of extruded FGH4096 alloy (mass fraction, %) 1.2 试验方法 利用MTS力学试验机对双圆锥台试样在变形温度980,1020和1060 ℃,应变速率0.003,0.01和0.03 s-1条件下进行高温压缩实验,压下量为15%.将压缩后的双圆锥台试样沿压缩方向电火花线切割分成8等份,对每份不同变形条件...): 1204-1213. SI Jia-yong, SONG Si-yuan, LIAO Xiao-hang, HUANG Zai-wang. High-throughput testing on hot working of delta-processed GH4169 alloy[J]. The Chinese Journal of Nonferrous Metals, 2016, 26(6......
equipment 通过拉伸实验机提供的原始数据,获得不同振幅下真实应力-应变曲线变化规律如图10所示. 图10 不同振幅A下镁合金AZ31B真实应力-应变曲线 Fig. 10 True stress-strain curve of AZ31B alloy at different amplitudes 由实验数据可以清楚的看到AZ31B镁合金在施加超声振动后,流动应力立即下降... Jian-chao, YUAN Ya-ning, ZHAO Chao-cai. Flexible die drawing of magnesium alloy sheet by superimposing ultrasonic vibration[J]. Transactions of Nonferrous Metals Society of China, 2017, 27(1): 163-171......
Trans. Nonferrous Met. Soc. China 24(2014) 2275-2281 Effect of homogenization time on quench sensitivity of 7085 aluminum alloy Yu-lin ZHENG1, 2, Cheng-bo LI1, 3, Sheng-dan LIU1, 3, Yun-lai DENG1, 3... of homogenization time on quench sensitivity of a cast 7085 aluminum alloy was investigated by means of end-quenching test, optical microscope (OM), scanning electron microscope (SEM) and transmission electron......
to 200°C and load from 55 MPa to 70MPa. The 7.5%Y added alloy presents excellent creep resistance even at 275°C and 55MPa. The second phase which shows discontinuous distribution at the grain..., the continuous skeleton-like second phase of 7.5%Y added alloy at grain boundary has a better effect on improving the creep resistance properties of alloys.Key words:creep resistance;Mg-Zn-Y alloy; clustering......
alloy. The wear mechanism was established and presented in detail. The corrosion behavior of the composites in 3.56% NaCl (mass fraction) solution shows that corrosion potential (φcorr) shifts towards... Ti-6Al-4V alloy. Key words: Ti matrix composite; sintering; wear property; corrosion; microstructure 1 Introduction Titanium and its alloys are widely used for dental and orthopedic implants due......
