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Conversion of polyaluminocarbosilane(PACS) to Si-Al-C-(O) fibers: evolutions and effect of oxygen ZHENG Chun-man(郑春满), LI Xiao-dong(李效东), YU Yu-xi(余煜玺), ZHAO Da-fang(赵大方) State Key Laboratory...) fibers have excellent thermal stability and creep resistance. Key words: polyaluminocarbosilane; PACS; SiC fibers; Si-Al-C-(O) fibers; evolutions; properties ......
Microstructure, Texture, and Hardness Evolutions of Al-Mg-Si-Cu Alloy during Annealing Treatment汪小锋1,MA Cunqiang2,MA Pengcheng3,ZHOU Songze1,WANG Yonggang11. Key Laboratory of Impact and Safety...="ChDivSummary">Microstructure, texture and hardness evolutions of Al-Mg-Si-Cu alloy during annealing treatment were studied by microstructure, texture and hardness characterization in the present study......
Microstructural Evolutions of AA7055 Aluminum Alloy Under Dynamic and Quasi-static CompressionsYuanyuan Xiong,Ning Li,Huawen Jiang,Zhigang Li,Zhu Xu,Lin LiuState Key Lab for Materials Processing... observed.The microstructural evolutions under both quasi-static and dynamic compressions are rationalized in terms of the dislocation cell model combined with the dislocation kinetics,in addition......
: ultraviolet (UV) aging asphalt; rheological behavior; chemical microstructure; morphology evolutions 1 Introduction Various accelerated aging tests have been made to simulate the practical degradation[1-7... Morphology evolutions Figs.1(a) and (b) show the AFM two images of AH70 before and after aging, Figs.1(c) and (d) show the AFM three images of AH70 before and after aging, respectively. It can be seen......
The Structural Evolutions of ZL109 Alloy and 7050 Alloy in the Semisolid Squeeze Casting Process翟彦博,刘昌明College of Material Science and Engineering,Chongqing University摘 要:The structure evolutions of ZL109 alloy and 7050 alloy were studied in the processes of preparing raw billets by low super heat casting, remelting the raw billets, semisolid forming......
Morphological evolutions of cast and melt-spun Mg97Zn1Y2 alloys during deformation and heat-treating WANG Bai-shu(王柏树)1, 2, LIU Yong-bing(刘勇兵)1, AN Jian(安 健)1, LI Rong-guang(李荣广)1, SU Zhen-guo(苏振... temperature. The microstructure evolutions in Mg97Zn1Y2 (molar fraction, %) alloys with LPS phase, processed by rolling and annealing the as-cast alloy and rapidly solidifying/melt-spinning and age treating......
章编号:1672-7207(2008)04-0760-05 Finite element analysis of shape evolutions for intragranular microcracks with surface perturbation WANG Yuan-peng, HUANG Pei-zhen (College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China) Abstract: Based on the theory of surface diffusion, a finite element method was developed to simulate shape evolutions of two......
Microstructure Evolutions and Properties of Al–Cu Alloy Joint in the Pulsed Power Ultrasonic-Assisted GMAWChao Chen,Chenglei Fan,Zeng Liu,Xiaoyu Cai,Sanbao Lin,Yimin ZhuoState Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology摘 要:The pulsed power ultrasonic-assisted gas metal arc welding(PU-GMAW) is a new development hybrid......
evolutions of texture and grain boundary plane distributions in a ferritic stainless steelFANG Xiao-ying(方晓英)1, WANG Wei-guo(王卫国)1, GUO Hong(郭红)1, QIN Cong-xiang(秦聪祥)1, ZHOU Bang-xin(周邦新)2(1. School of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China ；2. Institute of Materials, Shanghai University, Shanghai 200072, China)Abstract:The grain size, textures and grain......
Microstructure evolutions of Mg-8Gd-2Er(wt.%) alloy during isothermal ageing at 200℃王旭东,王朝辉,杜文博,刘轲,李淑波School of Materials Science and Engineering,Beijing University of Technology摘 要:The precipitation of the Mg-8Gd-2Er(wt.%) alloy at 200 oC was investigated by transmission electron microscopy(TEM) and X-ray diffraction(XRD).The precipitation sequence......
