共搜索到19157条信息,每页显示10条信息,共1916页。用时:0小时0分0秒468毫秒
Microstructure evolution and thermal stability of nanocrystalline Cu-Nb alloys during heat treatment LEI Ruo-shan(雷若姗), WANG Ming-pu(汪明朴), GUO Ming-xing(郭明星), LI Zhou(李 周), DONG Qi-yi(董琦祎.... And the contaminations brought into the Cu matrix by milling can influence the phase formation and the thermal stability of Cu-Nb alloys during heat treatment. Key words: Cu-Nb alloy; mechanical alloying......
......
-Ag/TiO2; water-sol; film; thermal treatment  ... includes two steps of sol-preparation and thermal treatment, is a practical method to prepare nano-TiO2 film[2-4]. It involves two steps of dispersion and coacervation. The former is adapted to prepare......
J. Cent. South Univ. (2016) 23: 1719-1728 DOI: 10.1007/s11771-016-3226-6 Temperature control for thermal treatment of aluminum alloy in a large-scale vertical quench furnace SHEN Ling(沈玲), HE Jian... of the quenching process, a temperature control system which integrates temperature calibration and temperature uniformity control is developed for the thermal treatment of aluminum alloy workpieces......
decrease with increasing temperature. Annealing treatment could improve the thermal properties. The results of Maxwell model and P.G. model are higher than those of experiment. Key words: Sip/Al... conductivity properties. Moreover, Si/Al interfaces would also decrease the thermal conductivity properties [14]. Furthermore, annealing treatment could lessen the residual thermal stress, eliminate dislocations......
catalysts suffer from.In case of catalysts synthesized by co-precipitation method,which have active species unused in bulk phase,can be regenerated by a simple thermal treatment that leads to active... stream washing of CeCoxO2 catalysts for NO+CO reaction.It is found that the deactivated catalyst can be regenerated by simple thermal treatment and increasing calcination temperature could accelerate......
catalysts suffer from.In case of catalysts synthesized by co-precipitation method,which have active species unused in bulk phase,can be regenerated by a simple thermal treatment that leads to active... stream washing of CeCoxO2 catalysts for NO+CO reaction.It is found that the deactivated catalyst can be regenerated by simple thermal treatment and increasing calcination temperature could accelerate......
expansion coefficient of SiCw/Al composites reduced greatly with temperature raising. The thermal expansion coefficient of artificial ageing treatment SiCw/Al composites during unloaded thermal cycling...Study of Physical Properties of SiCw/Al Composites During Unloaded Thermal Cycling TIAN Zhi-gang1,CHENG hua1,ZHU Xiao-gang1,ZHAO Xin-ming1,CHEN Wen-li1 (1.Armor Technique Institute of PLA......
shape memory alloys; pre-strain; transformation temperature; shape memory effect; thermal cycling; heat treatment process  ...温度;记忆效应;冷热循环;热处理工艺 中图分类号:TG 139.6 文献标识码:A Effect of thermal cycling on properties of CuZnAl shape memory alloys with different transformation temperatures SI Nai-chao1......
Nonlinear temperature characteristic of thermal expansion of Grf/Mg composites SONG Mei-hui (宋美慧), XIU Zi-yang(修子扬), WU Gao-hui(武高辉), CHEN Guo-qin(陈国钦) School of Materials Science... technology. M40 graphite fibers were reinforced to AZ91D and ZM6, their thermal expansion behaviors of M40/AZ91D and M40/ZM6 composites in the temperature range from 20 to 490 ℃ were investigated......