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of experiment is observed in the range of 1.67×10-5-2.50×10-5m/s. The primary arm spacing decreases with increasing growth rate. Key words: Ti-45Al alloy; directional solidification; growth rate...Article ID: 1003-6326(2005)02-0286-05 Phase and its morphologies of Ti-45%Al alloy directionally solidified at different growth rates LIU Chang(刘 畅), SU Yan-qing(苏彦庆), BI Wei-sheng(毕维生), GUO......
Effects of hydrogenation on ambient deformation behaviors of Ti-45Al alloy SU Yan-qing(苏彦庆), LIU Xin-wang(刘鑫旺), ZHAO Long(赵 龙), WANG Liang(王 亮), GUO Jing-jie(郭景杰), FU Heng-zhi(傅恒志) School...; Abstract: Effects of hydrogenation on ambient deformation behaviors of Ti-45Al alloy......
Ti-45Al合金的定向凝固组织 () 摘要:采用区域重熔定向凝固技术制备了Ti-5Al合金定向凝固试样,研究了不同参数下的凝固组织.结果表明,该合金在定向凝固过程中一次凝固可以以胞晶形式实现定向生长,胞晶内α2/y片层方向与生长方向成45°或90°.凝固过程中稳定相β及亚稳相α同时存在,并以胞状生长,存在竞争而引起的交替现象.降速生长时定向组织比较理想.淬火实验表明,在大过冷度下亚稳α相作为领先相析出. 关键词:Ti-45Al合金; 定向凝固; 胞晶; 片层; [全文内容正在添加中] ......
Fe元素对Ti-45Al合金铸态组织及硬度的影响杨慧敏1,骆良顺2,宋美慧3,齐海群1,王春艳1,杨闯11. 黑龙江工程学院材料与化学工程学院2. 哈尔滨工业大学材料科学与工程学院3. 黑龙江省科学院高技术研究院摘 要:利用非自耗真空电弧熔炼炉获得了Ti-45Al-xFe合金钮扣锭,并利用光学显微镜(OM...组织形态导致了Ti-45Al-xFe合金的硬度值增加.关键词:Ti-45Al合金;合金化;Fe元素;铸态组织;硬度;......
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......
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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......
