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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......
J. Cent. South Univ. Technol. (2009) 16: 0339-0343 DOI: 10.1007/s11771-009-0057-8 Parameter fitting of constitutive model and FEM analysis of solder joint thermal cycle reliability for lead... data. Furthermore, the Anand model was used in the FEM analysis to evaluate solder joint thermal cycle reliability. The results show that solder Sn-3.5Ag has a better creep resistance than solder......
EFFECTS OF THERMAL CYCLE ON MECHANICAL PROPERTIES AND FRACTOGRAPHY IN HAZ OF HQ130 STEEL W.J.Sun1,B.Liu2,J.X.Qu1 (1.Department of Materials Sci. & Eng., China Univ. of Mining and Technology... decrease with the decrease of Tp or increase of t8/5 under the condition of a single thermal cycle. There is a brittle zone in the vicinity of Tp=800℃, where the impact toughness is considerably low......
and operation condition, the circulation multiple f is selected to be 5 in this work. Fig. 3 Influence of circulation multiple f on thermal performance of cycle: (a) Absorbing heat q10-9 and turbine specific power wT; (b) Power recovery efficiency h0 and thermal efficiency h 4.2 Concentration As mentioned before, the whole power cycle mainly has three medium concentrations: work concentration......
Influences of fine pitch solder joint shape parameters on fatigue life under thermal cycle HUANG Chun-yue(黄春跃)1, 2, WU Zhao-hua(吴兆华)2,HUANG Hong-yan(黄红艳)2, ZHOU De-jian(周德俭)2 (1. School of Electro...-wing shaped leads that are spaced on 0.5mm pitch with 0.6mm foot in length. For the QFP solder joints under temperature cycle, a mismatch of the coefficients of thermal expansion(CTE) between......
Green evaluation of microwave-assisted leaching process of high titanium slag on life cycle assessment CHEN Guo(陈 菓), CHEN Jin(陈 晋), PENG Jin-hui(彭金辉), WAN Run-dong(万润东) Faculty of Metallurgical... _____________________________________________________________________________________________________ Abstract: A greenness evaluation index and system of microwave-assisted leaching method were established. The effects of the life cycle assessment variables......
) Abstract: The thermal stability of the eutectic Na2CO3-NaCl molten salt was investigated from the melting point to 1 000 ℃. The mass loss at high temperatures, the cycle performance, the component...; thermal cycle 熔盐是盐的熔融态液体,最常见的熔盐由碱金属或碱土金属的卤化物,碳酸盐,硝酸盐以及磷酸盐等组成.熔盐具有高温稳定性好,蒸汽压低,黏度低,导电性能良好,离子迁移快,热容量高[1-2]等优点,使其在太阳能电池,核工业,冶金工业,环保领域和材料制备等工程技术中有着广泛的应用[3-8].目前关于熔盐的研究多关注在太阳能熔盐储热,集中在开发更低熔点和更好稳定性的多元熔盐,具有良......
Microstructure and thermal properties of recyclable Sip/1199Al composites XIU Zi-yang(修子扬), CHEN Guo-qing(陈国钦), YANG Wen-shu(杨文澍), SONG Mei-hui(宋美慧), WU Gao-hui(武高辉) School... were fabricated by squeeze-casting method. The microstructure was observed and the thermal properties were tested and calculated by theoretical models. Sip/1199Al composites are all dense......
studied during the thermal cycling process. Upon twice thermal cycle, the temperature dependence of the coefficients of thermal expansion (CTE) for Euc/Cu composites tends to be stable. The CTEs...Effects of thermal cycling on thermal expansion behaviors of b-LiAlSiO4 reinforced copper matrix compositesXUE Zong-wei1, WANG Li-dong1, YANG Cong-tao2, LIU Zhe1, FEI Wei-dong1, 3(1. School......
glass coating had an excellent thermal shock resistance in air at temperature up to 1873 K. During quick thermal cycle between 1873K and room temperature in air, the decrease of mass and mechanical property of the coated C/C composites was all slight. After thermal cycle for 50 times, the mass loss of the SiC/MBAS glass coated sample was only 0.22%; additionally, the remaining ratio of strength......
