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RESEARCH ON HYDROFORMING TUBULAR PART WITH LARGE PERIMETER DIFFERENCE X.S. Wang1,S.J. Yuan1,Y.X. Yao2,X.R. Huang1,Z.R. Wang1 (1.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;2.School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China) Abstract:The tube hydroforming process for manufacturing the tubular part......
:A novel experimental route to fabricate porous polyimide membranes (PPMs) with ideal air permeability was reported. The polymer solution layer consisting... boiling temperature. The final asymmetric polyimide membrane with a dense skin layer was obtained. To improve the air permeability of the polyimide membranes, the polymer solution layer was treated between......
Multi-pass spinning of thin-walled tubular part with longitudinal inner ribs JIANG Shu-yong(江树勇)1, ZHENG Yu-feng(郑玉峰)2, REN Zheng-yi(任正义)1, LI Chun-feng(李春峰)3 1. Engineering... of the metal in backward ball spinning of thin-walled tubular part with longitudinal inner ribs. Micrography analysis reveals that severe plastic deformation leads to grain refinement, grain......
Corrosion behavior of the expandable tubular in formation waterShu-jun Gao1,Chao-fang Dong1,An-qing Fu2,Kui Xiao1,Xiao-gang Li11. Corrosion and Protection Center, Institute of Advanced Materials and Technology, University of Science and Technology Beijing2. Tubular Goods Research Institute, China National Petroleum Corporation摘 要:The corrosion behavior......
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Hydroforming of AZ61A tubular component with various cross sections TANG Ze-jun(汤泽军), HE Zhu-bin(何祝斌), LIU Gang(刘 钢) YUAN Shi-jian(苑世剑), HU Lan(胡 蓝) School of Materials Science...; Abstract: The effects of temperature on the mechanical properties and elongation of AZ61A tubular part were......
Preparation of Nano-composites Membranes with Graphic Oxides and Polylactic Acid贺妍,王宗彦School of Mechanical Engineering, North University of China摘 要:membranes were designed by vacuum filtration. The experimental results......
钯及钯合金饰品标准样品的研制赵恩好1,岳明新1(1.辽宁省沈阳市沈阳地质矿产研究所)摘 要:遵循国家标准的标准样品工作导则,研制了一套适用于X射线荧光光谱法分析的钯和钯合金饰品标准样品,共5种.按成分的梯度要求,将金属原料混合后熔融,成分合格后铸成厚度为0.18~0.24 mm,直径为16 mm的圆片.利用方差法对均匀性数据进行检查,并委托8家实验室采用不同的实验方法进行定值分析,分析数据用狄克逊检验和夏皮罗-威尔克方法进行检验,结果表明本套标准样品的均匀性良好,定值结果准确.本套标准样品已用于X-射线荧光光谱......
Electrochemical Properties of Tubular SOFC Based on a Porous Ceramic Support Fabricated by Phase-Inversion MethodZongying Han1,Yuhao Wang1,Zhibin Yang1,Minfang Han1,21. Union Research Center of Fuel...:In this work, a tubular ceramic-supported solid oxide fuel cell(SOFC) was successfully fabricated by a low cost and simple process involving phase-inversion......
