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; Foundation item: Project(03ZS6103) supported by the Key Laboratory of Precision Hot-Forming...Article ID: 1003-6326(2005)05-1081-04 Double-sided gas tungsten arc welding process on TC4 titanium alloy GAO Hong-ming(高洪明), BAI Yan(白 岩), YANG Tian-dong(杨天东) (State Key Laboratory......
RESEARCH ON HOT FORMING PROCESS OF A RETAINING RING OF HIGH-NITROGEN STEEL J.S.Liu1,H.Q.Chen1,H.G.Guo1 (1.Department of Material Science and Engineering, Taiyuan Heavy Machinery Institute Taiyuan 030024, China) Abstract:Mnl8Crl8N, the high-nitrogen steel, is the 2nd generation material for manufacturing the retaining ring of firepower generators. In this paper, the hot deformation behavior......
:BTi-62421S钛合金;热涨形;热成形;超塑成形 中图分类号:TG457.19 文献标志码:A Hot forming and superplastic forming performance of high-temperature BTi-62421S titanium alloy SHI Ke, GUO Xiao-lin, WANG Meng-tuan (Beijing Hangxing Machinery Manufacturing Co., Beijing 100013, China) Abstract: Experiments including crimping, cold pressing, hot pressing, hot bulging, hot forming were carried out......
Depolarised gas anodes for aluminium electrowinning G. M. HAARBERG1, E. KVALHEIM1, A. P. RATVIK1, S. J. XIAO1, T. MOKKELBOST2 1. Department of Materials Science and Engineering, Norwegian... a higher anode potential. An alternative approach is to use a natural gas or hydrogen gas anode to reduce the CO2 emissions and lower the anode potential. Preliminary laboratory experiments were carried......
a fundamental parameter that determines the deformation force and toque and power requirement of metal forming equipment. It is important for us to conduct further study on rheological behavior... is to be determined during metal processing, two groups of factors are actually considered: a group being implicit of the metal to be deformed, and the other implying forming process or tool type......
of superfine dendrites, and the secondary arm was small or even degenerated. It is concluded that the laser metal forming technique provides a method to manufacture directional solidification components...Fabrication of directional solidification components of nickel-base superalloys by laser metal formingLiping Feng, Weidong Huang, Darong Chen, Xin Lin, and Haiou Yang State Key Laboratory......
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at elevated temperatures. JESWIET et al [13] reviewed the progress of metal forming since 2000, including microforming, single-point forming and sheet forming process such as hot spinning. YANG et al [14... alloys, and metal composites. Then, the heating methods used in the hot spinning process and the treatment methods employed for the temperature boundary condition in finite element analyses......
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Trans. Nonferrous Met. Soc. China 22(2012) 2027-2031 Hot pressing densification of WC-MoxC binderless carbide Zhang Li1, Chen Shu2, Shan Cheng1, Huang Fang-jie1, Cheng Xin1, Ma Yun1 1. State Key... 15 December 2011 Abstract: WC-6MoxC-0.47Cr3C2-0.28VC binderless carbide was prepared by hot pressing (1700 ℃, 20 MPa). The sample was observed and analyzed by scanning electron microscopy, energy......