共搜索到21506条信息,每页显示10条信息,共2151页。用时:0小时0分0秒758毫秒
Trans. Nonferrous Met. Soc. China 29(2019) 2273-2280 Microstructure and mechanical properties of heat affected zone in multi-pass GMA welded Al-Zn-Mg-Cu alloy Jia-liang ZHOU1, Feng-yuan SHU1, Hong... 2018 Abstract: Microstructure and mechanical properties of the heat affected zone (HAZ) in multi-pass gas metal arc (GMA) welded Al-Zn-Mg-Cu alloy plates were investigated, based upon which......
棒材,其化学成分见表1. 表1 Al-Zn-Mg-Cu合金化学成分 Table 1 Chemical composition of extruded 7050 aluminum alloy (mass fraction, %) 从材料上截取直径50 mm×150 mm的试样自由锻,变形量30%,锻造温度420 ℃,经477 ℃固溶处理1 h再经60 ℃水淬后,取样(15...; Al-Zn-Mg-Cu铝合金时效工艺 Table 2 Aging system of Al-Zn-Mg-Cu aluminum alloy 透射电镜样品在MTP-1型双喷电解减薄仪上双喷减薄,穿孔.电解液为硝酸与甲醇的混合液,体积比为3:7,温度为-20~30 ℃,电压为12~15 V,电流为50~70 mA.在TECNAIG220透射电镜上观察,加速电压为200 kV.疲劳试验......
sensitivity of Al-Zn-Mg-Cu aluminum alloys LIU Shengdan1, 2, YIN Bangwen1, 2, LI Dongfeng1, 2, 3, LEI Yue1, 2, ZHANG Xinming1, 2 (1. School of Materials Science and Engineering, Central South..., and consequently quench sensitivity is lowered. Key words: Al-Zn-Mg-Cu alloy; end quenching; m(Zn)/m(Mg); quench sensitivity Al-Zn-Mg-Cu系合金具有比强度高,韧性良好和耐蚀性好等优点,且易于加工,广泛用作航空航天工业的结构材料.近年来,飞机结构件向着大型化,整体......
The Technological Improvements of Aluminum Alloy Coloring by Electrolysis LI Nai-jun1 (1.Teachers College, Shenyang University, Shenyang 110015, P. R. China) 摘要:The technological process of coloring golden-tawny on aluminum alloy by electrolysis was improved in this paper. The optimum composition of electrolyte was found, the conditions of deposition and anodic oxidation by electrolysis were......
of microstructure and microsegregation of aluminum 7050 alloy [J]. Materials Science and Engineering A, 2003, 355(1-2): 144-153. 高Zn含量Al-Zn-Mg-Cu合金的热力学计算 刘俊涛1, 2,张永安1,李锡武1,李志辉1,熊柏青1,张济山2 1. 北京有色金属研究总院 有色金属材料制备加...Trans. Nonferrous Met. Soc. China 24(2014) 1481-1487 Thermodynamic calculation of high zinc-containing Al-Zn-Mg-Cu alloy Jun-tao LIU 1, 2, Yong-an ZHANG 1, Xi-wu LI 1, Zhi-hui LI 1, Bai-qing XIONG 1......
and subgrain boundary precipitates on the stress corrosion susceptibility of the Al-Zn-Mg-Cu alloys was investigated. The strength of 7150 alloy is about 15 MPa higher than that of 7010 alloy. The 7010... of stress corrosion cracking is shown to be related to the coarse Cu-bearing particles, matrix and subgrain precipitates in Al-Zn-Mg-Cu alloys. Key words: Al-Zn-Mg-Cu alloy; stress corrosion resistance......
℃. Copper content has a great influence on the evolution of the eutectic. The coarse phases dissolve slowly in alloy with higher copper content. Key words: Al-Zn-Mg-Cu alloy; Al2CuMg phase; eutectic... remnants of coarse copper rich phases might be presented with increasing copper content, which were detrimental to the toughness and degraded the age hardenability of the alloy[9-11]. The Al-Zn-Mg-Cu......
Deep-cryogenic-treatment-induced phase transformation in the Al-Zn-Mg-Cu alloyChun-mei Li1,2,Nan-pu Cheng1,Zhi-qian Chen1,Ning Guo1,Su-min Zeng11. School of Materials Science and Engineering,Central South University2. School of Materials Science and Engineering,Southwest University摘 要:An aluminum alloy(Al-Zn-Mg-Cu) subjected to deep cryogenic treatment......
Portevin-Le Chatelier effect in Al-Zn-Mg-Cu-Zr aluminum alloy CHEN Jun-zhou(陈军洲)1, 2, ZHEN Liang(甄良)1, FAN Li-wei(樊立伟)3, YANG Shou-jie(杨守杰)2, DAI Sheng-long(戴圣龙)2, SHAO Wen-zhu(邵文柱)1...; Abstract: Portevin-Le Chatelier (PLC) effect in a severely cold-rolled Al-Zn-Mg-Cu-Zr aluminum alloy (AA7055 type) plate before and after......
of the Al3Zr precipitation particles is more homogeneous comparing the two-stage homogenization of 400 ℃/12 h + 470 ℃/12 h with that of 470 ℃/12 h. Key words: Al-Zn-Mg-Cu aluminum alloy... homogenization treatment of Al-Zn-Mg-Cu aluminum alloy[J]. Journal of Materials Science, 2008, 43(5): 1583-1586. [5] FAN Xi-gang, JIANG Da-ming, MENG Qing-chang, et al. The microstructural evolution of an Al-Zn......