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University of Technology摘 要:The Al-Mg-Mn-Zr-Er alloy sheets with a thickness of 4 mm were welded by TIG welding, the microstructures and mechanical properties of Al-Mg-Mn-Zr-Er alloy weld joints filled with Φ1.6 mm Al-Mg-Mn-Zr and Al-Mg-Mn-Zr-Er welding wires were studied by optical microscopy, scanning electron microscopy, transmission electron......
University of Technology摘 要:The Al-Mg-Mn-Zr-Er alloy sheets with a thickness of 4 mm were welded by TIG welding, the microstructures and mechanical properties of Al-Mg-Mn-Zr-Er alloy weld joints filled with Φ1.6 mm Al-Mg-Mn-Zr and Al-Mg-Mn-Zr-Er welding wires were studied by optical microscopy, scanning electron microscopy, transmission electron......
Thermodynamic calculation of Er-X and Al-Er-X compounds existing in Al-Mg-Mn-Zr-Er alloy LIN Shuang-ping(林双平), NIE Zuo-ren(聂祚仁), HUANG Hui(黄 晖), ZHAN Chun-yao(占春耀), XING Ze-bing(邢泽炳... compounds in the modified 5083 aluminum alloy containing erbium (noted as Al-Mg-Mn- Zr-Er system) has not been reported. The purpose of this work is to calculate the formation energies of different......
退火对Al-Mg-Mn-Zr-Er合金冷轧板组织与性能的影响王俊霖,文胜平,黄晖,聂祚仁北京工业大学材料科学与工程学院摘 要:制备了Al-6.0Mg-0.7Mn-0.1Zr-0.3Er合金冷轧板材,并对板材进行了不同退火温度和不同退火时间的退火试验,测试退火处理后的合金显微硬度,并采用TEM对合金显微形貌进行分析.结果表明:合金在低于250℃退火时,主要发生回复现象,合金再结晶起始温度为250℃,再结晶终了温度为325℃,且在175℃长时间退火合金易于沿胞状组织的胞壁析出Al3Mg2相.合金中复合添加Er和Zr形成细小弥散的Al3(Er,Zr)质点,与基体共格,可钉扎位错,稳定亚结构,阻碍亚晶长大及晶界的迁移,从而抑制合金的再结晶,提高合金的热稳定性.关键词:Al-Mg-Mn-Zr-Er......
退火温度对铸态Al-Mg-Mn-Zr-Er合金组织及性能的影响国洪建1,张振宇1,李博2,梁补女11. 兰州工业学院机电工程学院2. 西安交通大学材料科学与工程学院摘 要:利用X射线衍射仪(XRD),扫描电镜(SEM),能谱分析(EDS),硬度,拉伸性能测试,腐蚀试验等研究退火温度对铸态AlMg-Mn-Zr...,伸长率为17.8%;随着退火温度的升高,合金的耐腐蚀性能得到了提高,腐蚀坑变浅,当退火温度为400℃时腐蚀速率达到最小值0.14 mg/(cm2·d).关键词:退火温度;Al-Mg-Mn-Zr-Er合金;显微组织;力学性能;耐腐蚀性;......
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......
