共搜索到20009条信息，每页显示10条信息，共2001页。用时：0小时0分0秒284毫秒
EFFECTS OF HEAT TREATMENT ON THE THERMAL EXPANSION BEHAVIOR OF SiC WHISKER REINFORCED ALUMINUM COMPOSITE W.D.Fei1,W.L.Li1,C.K.Yao1,M.Hu1 (1.School of Materials Science and Technology, Harbin... of CTE of SiCw/Al composite agree better with those of Kerner''s model within lower temperature range. Key words:thermal expansion; thermal mismatch stress; SiC whisker; heat treatment; aluminum matrix......
under atmospheric pressure, the vanadium separation from leachate by solvent extraction and stripping, followed by precipitation of ammonium vanadate and thermal decomposition. Under the optimum.... Key words: black shale; vanadium extraction; H2SO4-HF-NaClO system; solvent extraction; precipitation; thermal decomposition......
......
Copper solvent extraction from alkaline cyanide solution with guanidine extractant LIX 7950 F. XIE, D. B. Dreisinger Department of Materials Engineering, University of British Columbia... be stripped efficiently by the moderately strong NaOH solutions (0.5-1.0 mol/L) and the presence of NaCN in the stripping solution facilitates copper stripping. Key words: copper; cyanide; solvent extraction......
Effects of Heat Treatment and Thermal Cycling on Martensitic Transformation Behavior of Ni59Al11Mn30 High Temperature Shape Memory Alloy ZHOU Jing-en1,HE Zhi-rong2 (1.Xi'an Jiaotong University... not change, but the hardness of the phases increases. 关键词:NiAlMn; shape memory alloy; martensitic transformation; heat treatment; thermal cycling; [全文内容正在添加中] ......
......
of reaction of kaolin, which can be improved by appropriate treatment methods to destroy the crystal structure, such as mechanical activation [11], thermal activation [12], acid-base modification activation...×75 mm to heat with microwave nor conventional field. The thermal treatment of the kaolin was carried out in a laboratory muffle furnace at a heating rate of 10 °C/min in air, and heated in the range......
the surface treatment samples named K20, K40 with thickness of 20, 40 μm respectively and raw sample named K00. In thermal conductivity measurements, there are little differences among the samples... specimen is achieved without thermal degradation. It validates the ability of the aluminum plate heat exchangers with surface treatment to enhance the corrosion resistance. Present work is performed......
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......
......
