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281毫秒
Microstructure and Properties of 7075Al Alloy Fabricated by Directly Combined of Spray Forming and Continuous Extrusion Forming under Different Atomization Gas PressuresYe-Gao Chen,Yi Zhong,Jiang... process consisting of the spray forming and the continuous extrusion forming for manufacturing 7075Al alloy was proposed.The microstructure evolution,mechanical properties and the resistance to stress......
Strengthening and toughening forming of Al/Al2O3 composite in pseudo-semi-solid stateYuansheng CHENG and Shoujing LUO School of Materials Science & Engineering,Harbin Institute of Technology,Harbin 150001,China摘 要:A new technology thixo-die-forging of the composite in pseudo-semi-solid state was proposed based on the powder metallurgy technology......
Forming mechanism of three-dimensional integral fin based on flat surfaceXIANG Jian-hua(向建化)1, 2, DUAN Ji-an(段吉安)1, ZHOU Hai-bo(周海波)1, ZHANG Chun-liang(张春良)2, LIU Gui-yun(刘贵云)2, ZHOU Chao(周超)2(1. College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China;2. School of Mechanical and Electric Engineering, Guangzhou University, Guangzhou 510006, China......
Springback characteristics in U-channel forming of tailor rolled blankHuawei ZHANG 1), Lizhong LIU 1), Ping HU 1) and Xianghua LIU 2)( 1) School of Automotive Engineering, Faculty of Vehicle Engineering and Mechanics, State Key Labora- tory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China 2) Research Institute of Science and Technology......
Recent progress in criterions for glass forming ability YANG Bing(杨 兵), DU Yong(杜 勇), LIU Yong(刘 咏) State Key Laboratory of Powder Metallurgy, Central South University, Changsha...; Abstract: The glass-forming ability(GFA) is an important factor in studying metallic glasses. So far, there are several criteria for evaluating the glass-forming ability. For predicting......
Model Analysis of Initial Hydration and Strueture Forming of Portland Cement董荣珍摘 要:<正>The auto efficiently hydration heat arrangement and the non-contacting electrical resistivity device were used to test the thermology effect and the resistivity variation of Portland cement hydration. The structure forming model of Portland cement initial......
Deformation Behavior of Zr65Cu17.5Ni10Al7.5in Superplastic Forming with Silicon Mould: Simulation and Application杨璠,SHI Tielin,YU Qiang,廖广兰State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology摘 要:We investigated the deformation behaviors of Zr65Cu17.5Ni10Al7.5 in superplastic forming......
Influence of Acetic Acid on Dynamic Behavior of Hydrolazation and Film Forming of Organosilane杨丽霞School of Materials Chemistry and Engineering,China University of Geosciences摘 要:The influence of acetic acid on dynamic behavior of hydrolazation and film forming of an expoxy-silane compound (γ-GPS ) was investigated by conductivity meter, IR and AFM......
Superplasticity and superplastic forming ability of Al-Mg-Sc alloy CHEN Ming-he(陈明和), ZHANG Jie-gang(张杰刚), LI Jin-hua(李金华), RUI Yu-long(芮玉龙) College of Mechanical and Electrical Engineering... research didn’t deal with superplastic formability under an optimum superplastic condition, which is very important to the superplastic forming. Now coarse-grained superplasticity [4-6] has received......
formability for complex shape products. Rheo-forging of metal offers not only superior mechanical strength but also requires significantly lower machine loads than solid forming processes. In order... by experiment and by simulation using DEFORM 3D, are present. Key words: rheo-forging; A356 alloy; formability; forming defects 1 Introduction Rheological material forming is a near-net-shape forming......