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Thermal stability and curing kinetics of polycarbosilane fibers ZHENG Chun-man (郑春满), LI Xiao-dong (李效东), WANG Hao (王 浩), ZHU Bin(朱 冰) (State Key Laboratory of New Ceramic Fibers and composites...; Abstract: Thermal stability and curing kinetics of polycarbosilane (PCS) fibers were studied by thermogravimetry (TG), Fourier transform infrared spectroscopy(FT-IR). Curing......
phase of stripping, and the effects of separation and enrichment are well. 3.5 Precipitation and thermal decomposition Whichever method (ion exchange resins or solvent extraction) was used... Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI......
Preparation of nanometer oxides La1-xSrxMnO3 by absolute alcohol as solvent HU Jie(胡 婕)1, 2, SHAO Guang-jie(邵光杰)1, GUO Peng(郭 鹏)1, QIN Xiu-juan(秦秀娟)1, XING Guang-zhong(邢广忠)2 1. Department...; Abstract: Nanometer oxides La1-xSrxMnO3 were synthesized by absolute alcohol as solvent. The desired metal cations were chelated in a solution using citric acid......
leaching and solvent extraction S M MASLOBOEVA, L G ARUTYUNYAN, M N PALATNIKOV, D V MANUKOVSKAYA Tananaev Institute of Chemistry – Subdivision of the Federal Research Centre, Kola Science Centre... processing scheme is determined by its profitability. Key words: mineral plumbomicrolite; tantalum; niobium; acid leaching; radioactivity; solvent extraction Cite this article as: S M MASLOBOEVA, L G......
Effect of thermal-cooling cycle treatment on thermal expansion behavior of particulate reinforced aluminum matrix composites CHEN Guo-qin(陈国钦), XIU Zi-yang(修子扬), YANG Wen-shu(杨文澍), JIANG Long-tao... and effect of thermal-cooling cycle treatment (TCCT) on the thermal expansion behaviors of three composites were investigated. The results show that the composites are free of porosity and SiC/Al2O3......
Effect of heat treatment on thermal stability of Ti40 alloy XIN She-wei(辛社伟)1, 2, ZHAO Yong-qing(赵永庆)1,2, ZENG Wei-dong(曾卫东)1 1. School of Materials, Northwestern Polytechnical University, Xi...-temperature after the five heat treatments, and the thermal stability is the key factor for determining heat treatment process. Among the three groups of heat treatment processes, the best thermal......
The Modern Applications of Surface Duplex Treatment Technology Adam Mazurkiewicz1,Jerzy Smolik1,Jerzy Tomaszewski2,Jan Walkowicz1 (1.Institute for Terotechnology, Pulaskiego 6/10, Radom 26-600... treatment technology for creation of biocompatible diamond-like a-C:H films.The paper presents research results concerning influence of the process parameters of the a-C:H coatings creation by means......
Numerical Simulation of Vacuum Heat Treatment Thermal Hysteresis Time of GH4169 Superalloy Workpiece ZHANG Fan-yun1,WANG Ming-wei2,LI Chen-hui1,ZHANG Li-wen2,ZHANG Zun-li1,ZHANG Li-sheng1,JIANG... of vacuum heat treatment process was developed. In this model, influence of many factors, such as nonlinear heat radiation, temperature-dependent thermal physical properties of material are considered......
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