共搜索到2914条信息，每页显示10条信息，共292页。用时：0小时0分0秒630毫秒
,增加了退火织构的漫散度. 关键词:AZ31镁合金；织构；动态再结晶；挤压比；挤压温度；电场退火 中图分类号:TG 146.22 文献标识码:A Effect of extrusion and annealing technology on microstructure and texture of AZ31 magnesium alloy..., Shenyang Ligong University, Shenyang 110168, China) Abstract: The effect of extrusion ratio, temperature and electric field annealing on microstructure and texture of AZ31 magnesium alloy were......
, China; 2. School of Economic and Management, Henan Polytechnic University, Jiaozuo 454000, China) Abstract: The microstructure of as-cast Mg-6Zn-1Y-1Ce alloy was refined by reciprocating extrusion (REX) at the temperature range of 300-360 ℃, the microstructural evolution and the effect of extrusion parameters on recrystallized microstructure were investigated. The results show that the as-REXed......
%~10.3 %, ρ=0.0322~0.0328nΩ·m, 较好地满足Al-Mg-Si导线标准要求. 采用合理的挤压比, 可直接生产性能良好的铝合金导电线材. 关键词: 6201铝合金; 挤压比; 连续挤压; 半固态; 电阻率 中图分类号: TG335.11; TG249.9 文献标识码: A Effect of extrusion ratio on microstructures and properties of 6201 alloy wire produced by semisolid continuous extrusion ZHOU Tian-guo, WEN Jin-ling, CHEN Yan-bo, LI Ying-long, WANG Shun-cheng (School of Materials and Metallurgy, Northeastern......
Trans. Nonferrous Met. Soc. China 22(2012) s232-s238 A new approach to investigate real flow stress in micro-extrusion LIN Jun-feng1, LI Feng2, ZHANG Jin-feng1 1. National Key Laboratory...-forming. Key words: micro-forming; flow stress; friction; extrusion 1 Introduction The rapid advancement of micro-forming technology in the past few years has led to the creation of several novel......
J. Cent. South Univ. Technol. (2011) 18: 731-738 DOI: 10.1007/s11771-011-0755-x Characteristics of radiation and convection heat transfer in indirect near-infrared-ray heating chamber CHOI Hoon...: Numerical study was performed to evaluate the characteristics of combined heat transfer of radiation, conduction and convection in indirect near infrared ray (NIR) heating chamber. The effects......
Corrosion behavior of extrusion, under-aged, peaked-aged and over-aged WE93 alloys in Na HSO3 solutions蒋全通,马鸣龙,张奎,李兴刚,李永军,石国梁,袁家伟State Key Lab for Non-ferrous Metals and Process, General Research Institute for Non-ferrous Metals摘 要:The corrosion behaviors of extrusion, under-aged, peaked-aged and over-aged WE93 alloys in Na HSO3 solutions were......
Corrosion behavior of extrusion, under-aged, peaked-aged and over-aged WE93 alloys in Na HSO3 solutions蒋全通,马鸣龙,张奎,李兴刚,李永军,石国梁,袁家伟State Key Lab for Non-ferrous Metals and Process, General Research Institute for Non-ferrous Metals摘 要:The corrosion behaviors of extrusion, under-aged, peaked-aged and over-aged WE93 alloys in Na HSO3 solutions were......
Continuously extending extrusion forming of semisolid A2017 alloy by SRS processGUAN Renguo, WEN Jinglin, LIU Xianghua, and LI YinglongMaterial and Metallurgy School, Northeastern University... machine. Through controlling pouring temperature, semisolid formingand extending extrusion was combined organically. A2017 product with fine surface and rectangular transection of 14mmx25 mm was obtained......
Influence of Bi addition on dynamic recrystallization and precipitation behaviors during hot extrusion of pure MgJongbin Go1,Jong Un Lee1,Hui Yu2,Sung Hyuk Park11. School of Materials Science... viability and enables the high-speed extrusion of Mg–Bi alloys. In this study, the effects of Bi addition on the dynamic recrystallization(DRX) and dynamic precipitation behaviors during hot extrusion......
-section direct extrusion(CVCDE) in the extrusion process, the accumulative strain formula is derived, and it can be known that the extrusion ratio of various stages directly determines the size of corresponding stage strain by formula. In this paper, as an example of the two interim dies, three die combinations of different angles and extrusion ratio are designed. Aviation magnesium alloy ZM6......
