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Numerical simulation of acoustic pressure field for ultrasonic grain refinement of AZ80 magnesium alloy SHAO Zhi-wen, LE Qi-chi, ZHANG Zhi-qiang, CUI Jian-zhong Key Laboratory of Electromagnetic... was applied to treating AZ80 alloy melt to improve its solidification structure. The average grain size of the alloy could be decreased from 303 to 148 μm after the ultrasound with intensity of 30.48 W/cm2......
Trans. Nonferrous Met. Soc. China 22(2012) 1872-1877 Effect of quenching rate on microstructure and mechanical properties of commercial AA7108 aluminium alloy Ida WESTERMANN1, Ann Leni HAUGSTAD2,3...,NO-7491, Trondheim, Norway; 3. Benteler Aluminium Systems Norway AS, NO-2830, Raufoss, Norway Received 10 November 2011; accepted 25 June 2012 Abstract: A commercial AA7108 aluminium alloy subjected......
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in aluminium alloys[J]. Materials Science Forum, 2000, 331-337: 1107-1112. [6]Reinhold B, Blanka L, Gerhard T. Effect of thermal exposure on the corrosion properties of an Al-Mg-Sc alloy sheet[J...In-plane anisotropy of 1545 aluminum alloy sheet PENG Yong-yi(彭勇宜)1, 2, YIN Zhi-min(尹志民)2,YANG Jin(杨 进)2, DU Yu-xuan(杜予晅)2 (1. School of Physics Science and Technology,Central South......
alloys[J]. Journal of Alloys and Compounds, 2019, 799: 1-14. [18] LIAO Yu-guo, HAN Xiao-qi, ZENG Miao-xia, JIN Man, Influence of Cu on microstructure and tensile properties of 7XXX series aluminum alloy...) in the two alloys turn to discontinuous distribution and obviously coarsen, decreasing the SCC sensitivity. Key words: 7xxx series aluminum alloy; aging precipitation; stress corrosion cracking; fracture......
Deforming mechanism of non-mandrel drawing process of circular aluminium tube by simulation QUAN Guo-zheng(权国政), ZHOU Jie(周 杰), WANG Meng-han(王梦寒), QUAN Guo-hui(权国辉), TONG Ying(佟 莹) College of Mechanical Engineering, Chongqing University, Chongqing 400044, China Received 28 July 2006; accepted 15 September 2006 Abstract: The aluminium tubes with high strength and smooth outer-surface can......
current can also strengthen the molten pool stirring to produce refined grains. Although AA2219 aluminium alloy has got an advantage over other series, such as 6000 and 7000 series alloys, in terms...Trans. Nonferrous Met. Soc. China 24(2014) 1307-1316 Effect of post weld heat treatment on properties of variable polarity TIG welded AA2219 aluminium alloy joints Ji-kun DING1,2, Dong-po WANG1,2......
Wen-hui, GAO En-zhi, et al. Distribution and formation of Al-Mn phases in AZ series magnesium alloys[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(2): 310-321. DOI: 10.11817/j...Al8Mn5相与Mg17Al12相之间的错配度很小[5],Mg17Al12相能够作为Al8Mn5相的形核核心.因此,Al8Mn5相在Mg17Al12相上及附近会有析出和富集现象. 图2 AZ91合金中Al-Mn相的SEM像和EDS谱 Fig. 2 SEM image and EDS pattern of Al-Mn phases in AZ91 alloy 2.2 ......
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不同5xxx系焊丝对5182-H111组织和性能的影响邓鑫,郝玉喜,姜丕文,金文福,于建明辽宁忠旺集团有限公司摘 要:使用3种焊丝ER 5183,ER 5356,ER 5554对6mm 5182-H111铝合金板材进行半自动MIG焊对接试验,通过对焊接接头进行力学性能试验,显微硬度测试及金相组织的观察,探究3种焊丝对5182-H111铝合金组织和性能的影响.结果表明,使用3种焊丝所焊接头中,ER 5183及ER 5356接头抗拉强度均大于ISO 15614-2 2005要求的焊缝接头系数(1.0),而ER 5554接头焊缝系数仅为0.949; 3种焊丝所焊接头硬度均在焊缝区及热影响区有所降低,其中ER 5356所焊接头焊缝强度较其他两种焊丝焊缝区硬度高,为85.5HV; 3种焊丝所焊接头组织形貌相近......
