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Influence and Analysis of Concentrate Degree of Plasma Arc for Heat Process of Hardening Treatment YAN Hong-ri1,WANG Shuo-gui1 (1.Department of Precision Machinery and Precision Instrument, University of Science and Technology of China, Hefei, China) 摘要:According to the practicable model of the plasma arc surface quench, the influence law of the heat process,cooling course, temperature field......
℃, the grain grows further beyond 20 nm. Fig.2 Variation of α-Fe grain size D with annealing temperature Microstructure evolution in the process of nanocrystallization induced by heat treatment... Influence of heat treatment on high frequency soft magnetic properties of Finemet amorphous alloy YANG Sha(杨 沙)1, 2, CHEN Bo-qu(陈伯渠) 1, 2, YAN Biao(严 彪) 1, 2, LU Wei(陆 伟) 1, 2, LONG Ling(龙......
Development of materials database system for cae system of heat treatment based on data mining technology GU Qiang1, ZHONG Rui1, JU Dong-ying2 1. Graduate School of Engineering, Saitama Institute... the accumulated large data on materials heat treatment in the past years, it is significant to develop an intelligent database system. Based on the data mining technology for data analysis, an intelligent......
temperature of 420 ?C was chosen for the experimental alloy. In a muffle furnace and under the condition of CO2 atmosphere protection, the solution heat treatment of the experimental alloy was carried out... Effects of solution heat treatment on microstructure and mechanical properties of AZ61-0.7Si magnesium alloy YANG Ming-bo(杨明波)1, LIANG Xiao-feng(梁晓峰)1, LI Hui(李 晖)1, PAN Fu-sheng(潘复生)2 1......
and conventional thermal barrier coatings (TBCs) after high temperature heat treatment. Monoclinic/tetragonal phases were transformed into cubic phase in the agglomerated nano-powder after calcination... treatment temperature was below 900 °C and grew fast when temperature was above 900 °C[6]. Average grain size changed from 57 to 88 nm when heat treatment......
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%Si-5 wt%Cu alloy(AR alloy) by a novel short duration heat treatment process. The elevated temperature(100°C) dry sliding wear behavior of an AR alloy was studied after microstructural modification using...Enhanced elevated temperature wear resistance of Al-17Si-5Cu alloy after a novel short duration heat treatmentBiplab Hazra,Supriya Bera,Bijay Kumar ShowDepartment of Metallurgical and Materials......
be strengthened by heat treatment [6–8]. However, the addition of Sr has a great effect on the solution treatment of Al–Si–Cu alloys [9, 10]. Generally, the solution temperature should be below.... Table 1 Chemical compositions of samples (mass fraction, %) 2.2 Heat treatment procedure The alloys with 0.05 wt% Sr addition were solution treated in a box resistor-stove with the temperature accuracy......
treatment at high temperature. Therefore after vacuum heat treatment the particles are coherent to the precipitated Ni3P and Ni grains, giving rise to a very high hardness of the coatings. However... Influence of vacuum heat treatment on structure and micro-hardness of electroless Ni-P-SiC composite coating LONG Shi-guo(龙士国)1, MA Zeng-sheng(马增胜) 1, HU Wen-bin(胡文彬)2, ZHOU Yi-chun(周益春)1 1. Key......
; Effect of heat treatment on microstructures... retrogression and re-ageing (RRA) heat treatment exhibits higher tensile strength, ductility and conductivity. Key words: Al-Zn-Mg-Cu alloy; Er; heat treatment; microstructures; mechanical properties......
