共搜索到18662条信息,每页显示10条信息,共1867页。用时:0小时0分0秒468毫秒
diffusion and lattice diffusion. Skipping rapid recrystallization annealing can supply a higher value of elongation-to-failure. Key words: superplasticity; aluminum-lithium alloy; activation energy... Ag and Mg additions on mechanical properties and microstructures of 2195 alloy[J]. Mater Sci Forum, 1996, 217/222: 1239-1244. [3] HUANG B P, ZHENG Z Q. Independent and combined roles of trace Mg......
Fatigue and Fracture Mechanisms of Aluminum-Lithium Alloy Containing Cerium陈铮,王永欣,丁占来摘 要:Therehavebeenconsiderableinvestigationsonintrinsictoughening.Theatentionhasbenpaidprogresivelytothemechanismofextrinsictoughe...关键词:......
:TG 146.2 文献标志码:A Quenching and aging technologies for alloy 2195 forged tube LEI Zheng-ping1, JIANG Na1, 2, TAN Cheng-yu2 (1. Southwest Aluminum..., forged tube of alloy 2195 were studied. The effects of heat treatment parameters on the mechanical properties and microstructure of the product were investigated by means of tensile test, metallography......
形为拉伸预变形,通过拉伸试验机,采用引伸计进行预变形量的控制. 表1 2195铝锂合金化学成分 Table 1 Chemical composition of 2195 Al-Li alloy (mass fraction, %) 重固溶-T8再时效2195铝锂合金的室温拉伸性能采用MTS 810材料试验机进行测试,拉伸速度为2 mm/min.拉伸测试样品平行段宽度... of 2195 Al-Li alloy as function of T8 re-aging time at different temperatures 2.2 显微组织 图2所示分别为原始2195-T8铝锂合金及重固溶处理后纵截面的金相照片,二者纵截面均表现为明显拉长的带状晶粒组织,且重固溶处理后晶粒长大程度很小.由于2195铝锂合金时效温度(152 ℃)远低于其固溶温度(505~510......
is the generation of HF, which induces and accelerates the reaction of removing oxide film. The generation of H2O also accelerates the reaction. Key words: aluminum-lithium alloy; oxide film; flux; fluoride... material-Aluminum-lithium alloy [J]. Vacuum and Cryogenics, 2005, 11: 63-69. [3] YANG Shou-jie, LU Zheng, SU Bin. Development of aluminum- lithium alloys [J]. Journal of Materials Engineering, 2001......
;局部腐蚀;腐蚀行为 中图分类号:TG113.23+1 文献标志码:A Effect of microstructural heterogeneity on localized corrosion of AA2099-T8 aluminum-lithium alloy MA Yan-long, MENG Xiao-min, HUANG Wei... of the AA2099-T8 aluminum-lithium alloy was investigated using electrochemistry and scanning electron microscopy. The result shows that the microstructure of the alloy is not uniform and high densities......
......
......
......
......