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, China) Abstract: Ni-Fe-C-Si self-lubricating alloy was prepared by melting method. The effects of iron content on the mechanical, dry friction and oil lubrication friction properties were investigated... words: Ni-Fe-C-Si alloy; self-lubricating; melting; friction and wear 镍基合金因其具有优良的抗腐蚀性能和抗氧化性能, 在高温固体自润滑材料中倍受重视, 如镍-铬-石墨系, Ni-Cr-Cu系和Ni-MoS2系等[1-8]目前均采用粉末冶金法制备. 文献[9]表明添加LaF3的镍基合金的室温干摩擦因数为......
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......
elongation. The investigation results of KAIBYSHEV et al [10] suggested that a thermomechanically modified 5083 aluminum alloy exhibits enhanced superplastic behavior in the temperature range of 500-570 °C... aluminum alloy manufactured by sky aluminum, Japan, was adopted for the simulation. Fig. 1 Simulation result of microforming after 20 min of forming time with workpiece temperature of 550 °C and constant......
could improve magnetic properties. Applied magnetic field has a great effect on microstructure of the Fe-25.5Cr-12Co alloy. The finer ferromagnetic α1 particles with suitable c/a ratio by high...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......
. Figure 3 Concentrations(a, c, e) and(b, d, f)of alloy genes of DO3-TaW3 type ordered alloys as functions of composition xW and ordering degree (s): Figure 4 Concentrations (a) and (b) of alloy genes... theoretical guidance for preparing Ta–W alloys materials. Figure 5 Concentrations(a, c, e) and (b, d, f) of alloy genes of DO3-Ta3W ordered alloys as functions of composition xW and ordering degree......
Thermostability of Al-Cu-Mg-Fe-Ni Alloy with Trace Scandium and Zirconium Yu Kun1,Li Songrui1,Li Wenxian1 (1.Department of Materials Science and Engineering, Central South University of Technology,Changsha 410083, P. R. China) 摘要:Three Al-Cu-Mg-Fe-Ni-Sc-Zr ingot metallurgy alloys with different compositions had been prepared. The hardness variations of cold-rolled alloy plates during annealing......
