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Effects of thermohydrogen treatment on microstructures of α+β and β titanium alloy as-cast ZHAO Yong-qing(赵永庆), CAO Xing-min(曹兴民), XI Zheng-ping(奚正平) Northwest Institute for Nonferrous Metal...> Abstract: The effects of thermohydrogen treatment on the microstructures of TC21 and Ti40 alloys as-cast were researched. The results show that the β phase content increases after charged hydrogen......
EFFECT OF DEEP COLD TREATMENT ON TWO CASE HARDENING STEELS C.H. Surberg1,P. Stratton2,K. Lingenh3 (1.V-Research Center of Competence for Tribology and Technical Logistics GmbH, Dornbim, Austria... data on deep cold temperatures below -70℃ or treatment times longer than an hour or two. This study set out to determine the effects of such deep cold treatments at temperatures -150℃ C for 24 h.The......
J. Cent. South Univ. Technol. (2009) 16: 0558-0562 DOI: 10.1007/s11771-009-0093-4 Alkaline treatment kinetics of calcium phosphate by piezoelectric quartz crystal impedance ZENG Li-ping(曾丽萍)1...; Abstract: Calcium phosphate film was prepared by electrochemical deposition technology. Subsequently, the alkaline treatment process of calcium......
Computer Aided Design of Heat Treatment for AISI P20+Ni Mold Steel with Good Machinability HU Xin-bin1,GAO Wen3,HE Yan-lin1,LI Lin1 (1.Dept. Mater. Sci. & Eng., Shanghai University, 149 Yanchang...:Computer aided design of heat treatment for AISI P20 mold steel with good machinability is attempted to proceed by the commercial software package Thermo-Calc (TCP+DICTRA). Through experimental......
treatment for large number of β-Mg17Al12 phase precipitated discontinuously at the grain boundaries notwithstanding the grains are fined a little. Key words: AE42 alloy; indentation creep; microstructure; creep resistance; heat treatment 因减轻汽车车身质量可减少汽车尾气排放,作为目前最轻的结构金属材料,镁合金越来越受到关注......
The Integration of Vacuum Brazing into Heat Treatment - A Progressive Combined Process Henkjan Buursen1,Ingo Reinkensmeier2 (1.Bodycote Warmebehandlung GmbH, Diemen, Netherlands;2.Bodycote... to an independent (hybrid) technology. The use of hybrid procedures for metal joining and heat treatment of metallic materials finds more and more industrial fields of application. Modern vacuum lines......
EFFECTS OF HEAT TREATMENT ON THE MICROSTRUCTURE OF Cu-Zn-Al (RE) SHAPE MEMORY ALLOYS S.C.Sun1,N.C.Si1 (1.Material Science and Engineering School,Jiangsu University of Science and Technology,Jiangsu 212013,China) Abstract:The effects of heat treatment on the Cu-Zn-Al shape memory alloys with mixed REwere researched with the help of X-ray diffraction and transmission electron micro-scope (TEM......
Hydrogen Treatment of Cast Ti-6Al-4V Alloy张少卿,潘峰摘 要:<正> This paper presents the results of an investiga-tion of the effect of hydrogen treatment... were studied.It was found that afterhydrogen treatment,the coarse Widmanstttenstructure of the as-cast Ti alloy was transformedinto a very fine and equiaxed α+β microstructurewithout any GBα......
Effects of heat treatment and Re-content on the TCP-phase in two Ni-Mo-Cr-Re superalloys Ke HAN1,Weiguo JIANG2,Pingli MAO3,Yan XIN1 (1.National High Magnetic Field Laboratory, Florida State..., Shenyang 110023, China) Abstract:The volume fraction and morphology of the TCP-phase formed in two kinds of Ni-Mo-Cr-Re superalloys under different heat treatment conditions were investigated......
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