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Mechanism of α-Cr precipitation and crystallographic relationships between α-Cr and δ phases in Inconel 718 alloy after long-time thermal exposureZhong-nan Bi,Jian-xin Dong,Mai-cang Zhang,Lei Zheng,and Xi-shan Xie School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China摘 要:To study the precipitation......
Influence of Bi Addition on Pure Sn Solder Joints: Interfacial Reaction, Growth Behavior and Thermal Behavior赖彦青,胡小武,LI Yulong,JIANG Xiongxin摘 要:thermal behavior of Sn-x Bi solder alloys were investigated. The Cu6 Sn5 IMC could be observed as long as the molten solder contacted with the Cu......
J. Cent. South Univ. (2020) 27: 2494-2506 DOI: https://doi.org/10.1007/s11771-020-4475-y Comparison of microwave and conventional heating routes for kaolin thermal activation ZHANG Liang-jing(张良静)1... to conventional calcination in the activation pathway of kaolin. It is attributed to microwave heating relying on objects to absorb microwave energy and convert it into thermal energy, which can......
of the ATH powder modified with pure polyacrylic acid is slightly smaller than that of original ATH powder. Key words: aluminum hydroxide; dry modification; polyacrylic acid; thermal stability; oil... Thermal stability and oil absorption of aluminum hydroxide treated by dry modification with different modifiers ZHOU Xiang-yang(周向阳)1, LI Chang-lin(李昌林)1, HUO Deng-wei(霍登伟)1, 2, LI Jie(李 劼)1, WU......
of pure benzoxazine Table 2 Thermal stability and Tg of cured benzoxazine-phenolic copolymers and NP Fig.8 DTG traces of benzoxazine-phenolic copolymers and phenolic resin resin reported...J. Cent. South Univ. Technol. (2009) 16: 0392-0398 DOI: 10.1007/s11771-009-0066-7 Non-isothermal curing kinetics and thermal properties of benzoxazine-phenolic copolymers XU Li(徐 丽), SITU Yue......
with the increase of gradients of temperature and moisture content. 4.2 Thermal and moisture expansion of pure bamboo plywood wall Pure bamboo plywood wall is one of the most popular types in bamboo...J. Cent. South Univ. (2012) 19: 600-608 DOI: 10.1007/s11771-012-1045-y Experimental and theoretical study on thermal and moisture characteristics of new-type bamboo structure wall LI Nian-ping(李念平)1......
of the coating. With increasing exposure temperature, the thickness of the oxide layer increased; and at 1 000 ℃ the oxide layer separated from the coating. Investigation of the kinetics of oxidation by using the thermogravimetric analysis (TGA) technique shows a parabolic oxidation rate. Key words: TiB2; cermet coating; thermal spraying; oxidation ......
the redissolution of Ω phase. Key words: Al-Cu-Mg-Ag alloy; Ω phase; thermal exposure; tensile stress thermal microstructure evolution of Ω phase has been uncertain. In this work, stress exposure is performed to investigate the microstructure evolution of Ω......
Strength and thermal behavior of low weight foam geopolymer using circulating fluidized bed combustion fly ashLIU Ze(刘泽), SHAO Ning-ning(邵宁宁), QIN Jun-feng(秦俊峰), KONG Fan-long(孔凡龙), WANG Chun-xue(王春... amounts of foam agent and different SiO2/Al2O3 molar ratios of 3.1, 3.4, and 3.8. The mechanical, thermo-physical properties and microstructure of the foam geopolymers before and after exposure......
