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Effect of laser shock processing on residual stress andfatigue behavior of 6061-T651 aluminum alloy REN Xu-dong(任旭东)1, ZHANG Yong-kang(张永康)1, 2, ZHOU Jian-zhong(周建忠)1, FEN Ai-xin(冯爱新)1 1. Jiangsu... compressive stresses much deeper into the surfaces of metals or alloys. A brief parametric study of the effect of laser parameters on fatigue behavior and residual stress state generated in 6061-T651 alloy......
:TG404 文献标志码:A Welding deformations of 6061-T651 Al alloy thin-plate joints YE Yan-hong, HE Jing, CAI Jian-peng, SUN Jia-min...; (5) 图4 6061-T651铝合金的高温热物理性能参数[11-13] Fig. 4 Thermal physical properties parameters of 6061-T651 alloy at high temperature[11-13] 表2 热源形状参数......
铝合金/镁合金搅拌摩擦焊接界面处Mg/Al反应及接头力学性能王东1,刘杰2,肖伯律1,马宗义2(1.辽宁省沈阳市科学院金属研究所沈阳材料科学国家(联合)实验室2.中航工业 黎明公司)摘 要:采用搅拌针置中(M4A4),向镁合金侧偏置2 mm(M6A2)和向铝合金侧偏置2 mm(A6M2)3种焊接方式,研究了6 mm厚6061-T651铝合金和AZ31镁合金轧制板材的搅拌摩擦焊接.SEM及XRD分析表明,3种焊接方式均在焊接界面处发现Mg17Al12相的生成和由于共晶相熔化和随后冷却所形成的孔洞.在M4A4和M6A2样品中,少量的Al搅入到镁合金侧形成金属间化合物Mg17Al12,而在A6M2样品中,少量的Mg搅入到铝合金中也形成金属间化合物Mg17Al12,在Mg17Al12与基体的界面处存在微小孔洞.由......
The Strengthening of Cu-15Ni-8Sn Alloy WANG Ming-Pu1,WANG Yan-hui1,HONG Bin1 (1.School of Material Science and Engineering, Central South University, Changsha China) 摘要:The microstructure, property and relation between them of Cu-15Ni-8Sn alloy are studied by means of TEM and the measurement of hardness. The results show that γ '' metastable phase strengthens alloy because of its ordering......
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......
Microstructure and Performances of Nanocrystalline Zinc-nickel Alloy Coatings LI Guang-yu1,NIU Li-yuan1,JIANG Zhong-hao1,LIAN Jian-she1 (1.The Key Lab of Automobile Materials, Ministry of Education, China, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China) 摘要:Nanocrystalline zinc-nickel alloy coatings were deposited from an alkaline......
Alloy 20不锈钢薄板等离子弧焊接工艺研究赵斌,王宾宾,王小华中国船舶重工集团公司第七二五研究所摘 要:对Alloy 20不锈钢薄板进行了等离子弧焊接工艺试验研究.结果表明,采用等离子弧焊接方法,ERCr Ni Mo-3焊材及合理的焊接工艺参数,等离子弧焊接工艺可用于Alloy 20不锈钢薄板的焊接,焊接接头各项性能均能满足要求.关键词:Alloy 20;不锈钢薄板;等离子弧焊接;......
)Abstract:Stainless die with micro-groove and micro-hole have been designed and manufactured, which has been used to study superplastic microforming of 2091Al-Li alloy by means of superplastic forming... micro-rib specimen, behavior of material could be understood well.Key words:superplasticity; microforming; extrusion; 2091Al-Li alloy......
Trans. Nonferrous Met. Soc. China 22(2012) s656-s660 Microforming of superplastic 5083 aluminum alloy Md. Abu Mowazzem HOSSAIN1, Sung-Tae HONG1, Kyu-Yeol PARK1, Young-Sang NA2 1. School of Mechanical...: The mechanical behavior of superplastic 5083 aluminum alloy during microforming process was investigated by finite element analysis. A micro V-groove die was modeled to analyze the effects of forming......
Study on Thermomagnetic Treatment Fe-25.5Cr-12Co Permanent Magnetic Alloy Zhen Liang1,GAO Run-sheng2,ZHU Dan-yang1,SUN Xue-yin1,SHAO Wen-zhu1,XU Ren-gen1 (1.Technology and Development Centre... Fe-25.5Cr-12Co alloy by different process of thermomagnetic treatment were investigated. It is found that magnetic properties are sensitive to parameters of thermomagnetic treatment process in magnetic......