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Trans. Nonferrous Met. Soc. China 24(2014) 648-656 High-cycle fatigue behavior of friction stir butt welded 6061 aluminium alloy Hrishikesh DAS, Debayan CHAKRABORTY, Tapan KUMAR PAL Welding... strengths were discussed in terms of the microstructure, crack path behavior and fracture surface. Key words: Al alloy; friction stir welding (FSW); high cycle fatigue; stress ratio (R-ratio); crack......
al [11] studied the effect of welding process, heat treatment and filler materials on the cracking tendency in the welding zone of 6061 aluminum alloy. MUOZ et al [12] found that the hardness... Received 1 January 2019; accepted 15 August 2019 Abstract: 6061 aluminum alloy T-joints were welded by double-pulsed MIG welding process. Then, the post-weld heat treatment was performed on the welded......
strength and electrical conductivity reach 160 MPa and 64.03% (IACS), respectively. Key words: alloy composition; Al wires; mechanical properties; electrical conductivity; continuous rheo-extrusion 1.... The overhead conductive wires are mainly produced by Al alloy, while it is rather difficult to increase both the electrical conductivity and mechanical properties in the mean time. Therefore, much......
, 2010, 31(7): 3227-3233. 硼酸镁晶须增强6061铝基复合材料的干摩擦磨损行为 金培鹏,陈 庚,韩 丽,王金辉 青海大学 机械工程学院,西宁 810016 摘 要:研究搅拌铸造工艺制备的硼酸镁晶须增强6061铝基复合材料在干滑动条件下的摩擦磨损性能.复合材料的体积分数为2%,根据增强体种类,材料分别记为:Al基体..., CuO/Mg2B2O5w/6061Al and ZnO/Mg2B2O5w/6061Al, respectively). The volume fractions of the whiskers in the three types of composites are 2%. The chemical composition of the 6061 aluminum alloy is shown......
melting process parameters of electron beam cold hearth on the Al element evaporation in TC4 alloy was studied. The results show that when the raw material is the VAR ingot, the secondary ingot is got... components of TC4 alloy. When the raw material is the simple substance Al, the element evaporation loss increases in the melting stage, and it increases with the Al content increasing. Research......
was 18.376 μm. The nominal chemical composition (mass fraction) of 6061 alloy is as follows: 0.8%-1.2% Mg, 0.4%-0.8% Si, 0.7% Fe, 0.15%-0.40% Cu, 0.04%-0.35% Cr, 0.15% Mn, 0.25% Zn, 0.15% Ti and balance Al... of the microstructural evolution. Table 1 Composition of primary α(Al) phase in 6061 alloys heated at 660 °C for different time including alloy prepared by un-milled powders 3.4 Effect of reheating temperature......
6061 Al alloy fabricated by accumulative roll bonding process [J]. Materials Science and Engineering A, 2001, 316: 145-152. [16] ROY I, CHAUHAN M, LAVERINA E J, MOHAMED F A. Thermal stability in bulk..., which are suitable for structural and thermomechanical applications. DAS et al [6] have reported the improved tensile strength and impact toughness of the cryorolled Al7075 alloy due to grain refinement......
6061铝合金预拉伸板残余应力测量与分析罗海云西南铝业(集团)有限责任公司摘 要:采用钻孔法对经不同拉伸量的60mm厚6061铝合金预拉伸板进行残余应力的测量,分析其现存残余应力大小与拉伸量的匹配关系.结果表明:对于60mm厚的6061预拉伸板经拉伸率1.9%左右的预拉伸后,其残余应力较低.关键词:6061铝合金;残余应力;拉伸量;......
. 图8 各试样的应力-应变曲线 Fig. 8 Stress-strain curves of different samples 表2 6061铝合金经不同处理的力学性能 Table 2 Mechanical properties of 6061 alloy after different treatments 2.4 晶间腐蚀性能 图9... processed Al-Mg alloy[J]. Acta Materialia, 2009, 57(19): 5718-5729. [17] 李 博, 沈以赴, 胡伟叶. 伸缩式搅拌头厚铝板搅拌摩擦焊缺陷及其补焊工艺[J]. 中国有色金属学报, 2012, 22(1): 62-71.LI Bo, SHENG Yi-fu, HU Wei-ye. Friction stir welded defects......
6061铝合金阳极氧化后黑斑原因分析周京辉佛山市三水凤铝铝业有限公司摘 要:采用韦氏硬度钳,扫描电镜设备,能谱分析设备和金相显微镜,对6061铝合金阳极氧化后局部黑斑及正常表面进行宏观,显微形貌特征综合分析;指出局部黑斑是由于喷雾淬火时,某喷头堵塞未形成雾状而直接喷水造成的,并提出改正措施.关键词:6061铝合金;黑斑;退火;Mg2Si;淬火;......
