共搜索到5525条信息，每页显示10条信息，共553页。用时：0小时0分0秒359毫秒
Superplastic forming of Ti6Al4V alloy using ZrO2-TiO2 ceramic die with adjustable linear thermal expansion coefficient JIANG Shao-song(蒋少松), ZHANG Kai-feng(张凯峰) National Key Laboratory... is 0.003. Thirdly, in order to evaluate the practicability, the experiment of superplastic forming Ti6Al4V using ZrO2-TiO2 cylinder ceramic die was carried out. The Ti6Al4V cylinder shows good shape......
Development and Prospect on Optimum Design of Metal Forming Process韩静涛摘 要:<正> 1.IntroductionThe research of metal forming theoryand technology always takes an importantplace in materials science and engineering.However,in a long period,the developmentof technology goes ahead of the theoreticalstudy.Most design principles used in prac-关键词:......
Shape-predicted model of spray forming rod under scanning atomizationCAO Fuyang,WU Peilian,NING Zhiliang,ZHAO Wenjun,and SUN Jianfei Key Laboratory for Procession Hot Processing of Metals,Harbin Institute of Technology,Harbin 150001,China摘 要:A model for simulating the spray forming process with scanning atomizer was developed.Models for the scanning......
Process design for multi-stage stretch forming of aluminium alloy aircraft skin HE De-hua(何德华), LI Xiao-qiang(李小强), LI Dong-sheng(李东升), YANG Wei-jun(杨伟俊) School of Mechanical Engineering... forming was proposed by combining the strain distribution method and finite element method (FEM) to determine the minimum stage number and deformation amount of each stage. The strain distribution method......
EXPERIMENTS AND SIMULATIONS OF A NEW DEVELOPED FORMING TECHNOLOGY-SHEAR-EXTRUSION PROCESS OF COMPONENTS WITH BRANCHES Z.L.Zhang1,D.C.Kang2,Z.D.Shi3,H.L.Yang1,X.H.Piao4 (1.National Die and Mold CAD... Nonferrous Casting Plaut, Shanghai 200052, China;4.Fushun Steel Plant, Fushun 113001, China) Abstract:Shear-extrusion process and its forming parameters are proposed, whilst its laborsae ing characteristic......
Effect of spray forming on evolution of microstructure and mechanical behavior of Mg-9Al-1Zn alloy YU Hong-yan(余红燕)1, HUANG Jin-feng(黄进峰)1, LI Yong-bing(李永兵)1, CUI Hua(崔华)2, HE Jian-ping(何... was produced by spray forming and hot extruded at 698-723 K with an extrusion ratio of 22?1. The microstructural evolution was investigated systematically. The mechanisms of grain refinement, solubility......
Trans. Nonferrous Met. Soc. China 20(2010) s1037-s1041 Structure of miniature components from steel produced by forming in semi-solid state b. Masek1, D. Aisman1, M. Behulova2, H. Jirkova1 1. The Research Centre of Forming Technology, University of West Bohemia, Univerzitni 22, P. O. Box 314, 306 14 Pilsen, Czech Republic; 2. Faculty of Materials Science and Technology......
Preparation of AZ91D Slurries for Semi-Solid Forming Using Al8 ( Mn, Fe) 5 Precipitates Heon Phil Ha1,Jeong Man Doh1,Ji Young Byun1,Soon Il Kwon1 (1.Metal Processing Research Center,Division... is generally precipitated in the melt in advance of the precipitation of the primary α-Mg. The basic principle for manufacturing AZ91D-alloy slurries for semi solid forming is to use the Al8(Mn, Fe)5......
......
Influence of viscous medium temperature distribution on sheet fracture in viscous pressure forming at warm temperature LIU Jian-guang(刘建光)1, WANG Zhong-jin(王忠金)1, ZHANG Xin(张鑫)2, LI Yi(李毅)1 1... pressure forming (VPF) of aluminum alloy AA3003 sheet metal at warm temperature was investigated by using coupled thermo-elastoplastic-viscoplastic finite element method. The influence of viscous......
