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Microstructure and mechanical properties of Al-Mg-Si alloy fabricated by a short process based on sub-rapid solidificationZe-Tian Liu1,2,Bing-Yu Wang2,Cheng Wang1,2,3,Min Zha1,2,3,Guo-Jun Liu2,Zhi...="ChDivSummary" name="ChDivSummary">Al-Mg-Si(AA6xxx) series alloys have been used widely in automotive industry for lightweight purpose.This work focuses on developing a short process for manufacturing......
Pre-treatment to Improve the Bake-hardening Response in the Naturally Aged Al-Mg-Si AlloyChin-Hui Shen摘 要:This paper describes pre-treatment methods to improve the bake-hardening response of naturally aged AA6022(Al-0.6Mg-1.0Si),which is an alloy used in automotive body panels.These methods are used to accelerate the artificial aging process,which......
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Effect of Post Cryorolling Treatments on Microstructural and Mechanical Behaviour of Ultrafine Grained Al-Mg-Si AlloyP.Nageswara rao,Dharmendra Singh,R.JayaganthanDepartment of Metallurgical... and ductility of ultrafine grained material(UFG),Al 6061 alloy was subjected to cryorolling followed by warm rolling(CR + WR)and compared with cryorolling followed by short annealing(CR + SA......
Zr,La对Al-Mg-Si合金机械性能的影响吴楠,祝哮,谢方亮,杨路,郑建辽宁忠旺集团有限公司摘 要:采用光学显微镜,常温和高温拉伸试验,压缩试验等检测分析方法,研究了Zr和稀土La对Al-Mg-Si铝合金挤压材机械性能和热稳定性的影响.结果表明,Zr提高了Al-Mg-Si合金T4和T6状态的力学性能;稀土元素提高了Al-Mg-Si合金高温力学性能,Zr元素未起到提高作用;Zr和La明显改善Al-Mg-Si合金热稳定性.关键词:Al-Mg-Si合金;La元素;Zr元素;热稳定性;......
Al-Mg-Si系铝合金的成分设计 邵光杰1,金曼1,李晶1,费玥1 (1.上海大学材料科学与工程学院,上海,200072) 摘要:采用Thermo-Calc软件计算了Al-Mg-Si系相图,得到了固溶温度与Mg2Si含量的关系曲线.以优化Al-Mg-Si系铝合金成分为目的,选取不同镁,硅含量的合金进行拉伸试验,得到了Mg2Si含量与抗拉强度的关系曲线.根据固溶温度,Mg2Si含量及抗拉强度三者之间的关系以及铝合金对强度性能的要求,可以计算镁,硅含量,并可参照固溶温度,Mg2Si含量及伸长率的关系设计出满足一定要求的Al-Mg-Si系铝合金的成分. 关键词:Al-Mg-Si系铝合金; 相图; Mg2Si; 抗拉强度; [全文内容正在添加中] ......
-Mg母材的热影响区在焊后的自然时效过程中硬度值和微结构得到恢复而与母材相同. 表1 Al-Mg-Si合金,Al-Zn-Mg合金及焊丝ER5356的化学成分 Table 1 Chemical composition of Al-Mg-Si, Al-Zn-Mg and ER5356 alloy 图2 焊接接头上下表面的硬..., ZANDBERGEN H W. Crystal structure of the orthorhombic U2-Al4Mg4Si4 precipitate in the Al-Mg-Si alloy system and its relation to the β″ and β′ phases[J]. Materials Science and Engineering A, 2005, 390: 127-138......
words: Al-Mg-Si aluminum alloy; severe plastic deformation; equal-channel angular pressing; aging behavior; precipitation kinetics; mechanical properties; strengthening mechanisms 1 Introduction Over... of the metastable phases and their kinetics for achieving the superior mechanical properties in Al-Mg-Si alloys. The precipitation sequences of this alloy were reported in Ref. [9] as follows: α→GP......
Effects of Combined Pre-straining and Pre-aging on Natural Aging and Bakehardening Response of an Al-Mg-Si AlloyZhiqing ZHANG,Huanhuan XU,Sainan WU,Yin LIUCollege of Materials Science and Engineering... and pre-aged samples. It was concluded that the formation of Mg/Si clusters was replaced by the accelerated precipitation of β’’ and β’ phases, which caused the suppression of natural aging......
Al-Mg-Si合金强化作用的键分析高英俊,李云雯,王态成,黄创高,侯贤华摘 要:对Al-Mg -Si合金中主要析出相β(Mg2 Si)以及纯硅晶胞的键电子密度计算 ,表明硅晶胞中最强的Si-Si键nA 比β(Mg2 Si)相的Mg -Si最强键nA 要强 2倍 ,相应的最强键密度ρ也大 2倍 ,这是影响Mg2Si颗粒的生长以及合金的硬度和强度等力学性能的主要原因关键词:Al-Mg-Si合金;Mg2Si;原子成键;力学性能;......
