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THE STABILITY INVESTIGATION OF FERROELECTRIC SrBi2Ta2O9 THIN FILMS ANNEALED IN FORMING GAS A.D.Li1,N.B.Ming1,D.S.Wang1,Z.G.Liu1,D.Wu1,T.Yu1,A.Hu1 (1.National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China) Abstract:The hysteresis loop changes of ferroelecric SrBi2 Ta2 O9 (SBT) thin films (330nm) vsthe temperature of forming gas (5%o hydrogen+95%o nitrogen......
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Formation and mechanical properties of bulk Cu-Ti-Zr-Ni metallic glasses with high glass forming ability YANG Ying-jun(杨英俊)1, 2, KANG Fu-wei(康福伟)1, XING Da-wei(邢大伟)1, SUN Jian-fei(孙剑飞)1, SHEN...; Abstract: Bulk amorphous Cu52.5Ti30Zr11.5Ni6 and Cu53.1Ti31.4Zr9.5Ni6 alloys with a high glass forming ability can be quenched......
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Interactions between Copper Atoms and Rubber Molecules by X-ray Diffraction刘金麟,穆承章,卢于逑摘 要:<正> In order to determine the interactions between copper atoms and rubber molecules, this article used X-ray diffraction to analyse the cure specimen of size materials mixed with copper powder for the first time, found the atomic nucleus distances between......
FEM SIMULATION FOR LASER FORMING PROCESSING Y.B.Chen1,S.Y.Lin2,X.Y.Wang2,L.Q.Li1 (1.State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;2.Harbin Research Institute of Welding, Harbin 150001, China) Abstract:Laser forming involves heating sheet metal workpiece along a certain path with a defocused laser beam directed irradiate......
Microscopic and Dynamic Rheological Characteristics of Crumb Rubber Modified Asphalt王岚College of Civil Engineering,Inner Mongolia University of Technology摘 要:A test for crumb rubber modified asphalt containing 20% crumb rubber particles(30 mesh) was performed using a scanning electron microscope(SEM).The experimental results indicate that the crumb......
J. Cent. South Univ. Technol. (2008) 15(s1): 215-220 DOI: 10.1007/s11771-008-349-4 Application research on metal rheological forming of reproducing kernel partial method YIN Shui-ping(殷水平), LUO... guidance for the application of meshless in actual engineering. Key words: numerical simulation; meshless method; reproducing kernel partial method(RKPM); rheological forming 1 Introduction Numerical......
Rubber Curing Process Simulation Based on Parabola Model张建,TANG WenxianSchool of Mechnical and Automobile Engineering, Jiangsu University of Science and Technology摘 要:The curing process of rubber fender was investigated. A parabola model was put forward for the first time, which described variation of rubber thermal properties such as heat conduction......
Porosity and surface roughness simulation of nickel-aluminum coating in plasma spray forming ZENG Hao-ping(曾好平)1, 3, FANG Jian-cheng(方建成)2, XU Wen-ji(徐文骥)1, ZHAO Zi-yu(赵紫玉)2, WANG Li(王 莉)2 1... 2006 Abstract: As the important evaluation parameters concerning the spray qualities, the porosity and surface roughness of the coatings obtained by thermal spray forming have great influence......