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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......
metallurgy and subsequent heat treatment LIU Rui-feng(刘瑞峰)1, 2, WANG Wen-xian(王文先)2, 3, CHEN Hong-sheng(陈洪胜)2, 4 1. College of Aeronautics and Astronautics, Taiyuan University of Technology, Taiyuan 030024...), followed by T6 treatment. The microstructural evolution and mechanical properties were investigated. Results showed that the status of B4C particles changed from a network after SPS to a dispersion......
不同包覆处理工艺对粘结NdFeB永磁体性能的影响 史新伟1,黄金亮1,杨留栓1 (1.洛阳工学院洛阳471039) 摘要:采用干混,湿混,硅烷(KH550)包覆处理等工艺对快淬NDFeB磁粉进行包覆处理,研究了包覆处理前后快淬NdFeB磁粉的抗氧化性,并初步研究了用包覆处理前后的快淬NdFeB磁粉制得的粘结NDEeB永磁体的力学性能及磁性能.结果表明,湿混及硅烷包覆处理都能提高快淬NdFe磁粉及磁体的性能,而硅烷包覆处理的效果更明显. 关键词:快淬Ndfeb磁粉包覆处理抗氧化性; Rapidly quenching NdFeB magnetic powder Cladding treatment Oxidation resistance; [全文内容正在添加中] ......
behavior of 304 stainless steel reinforced by in situ TiC particulates[J]. Transactions of Materials and Heat Treatment, 2009, 30(5): 177-181. [12] BAUTISTA A, VELASCO F, ABENOJAR J. Oxidation resistance... on oxidation behavior of TiC/316L composites and its mechanism LIN Shao-jiang1, XIONG Wei-hao2, SHI Qi-nian1, WANG Sai-yu1 (1. School of Mechanic and Electric Engineering, Hubei Polytechnic University......
the process of heat treatment was measured by TG analysis. Phase transformation and microstructure changes of these specimens due to oxidation were investigated with X-ray diffraction (XRD), SEM and EDX... of dense cristobalite film. Large amount of needle-like mullite and alumina crystals are formed on the surface after oxidation at 1400 ℃. Key words:nanocomposites; surface; oxidation; heat treatment......
and surface treatment[J]. J Mater Res, 2000, 15(3): 665?675. [8] RAFFAITIN A, MONCEAU D, ANDRIEU E, CRABOS F. Cyclic oxidation of coated and uncoated single-crystal nickel-based superalloy MC2...识码:A Oxidation kinetics of NiCoCrAlYTa coating by low pressure plasma spraying ZHOU Ke-song1, LIANG Xing-hua1, 2, LIU Min1, DENG Chang-guang1 (1. Material Surface Center, Guangzhou Research......
Oxidation behavior of single crystal TMS-82+ superalloy in air WU Ying(武英)1, 2, 3, SONG Gui-ming(宋桂明)4, ZHOU Shao-xiong(周少雄)1, 2, T. NARITA 3 1. Central Iron and Steel Research Institute...; Abstract: The oxidation behavior of the single crystal Ni-based......
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......
Constructing mild expanded graphite microspheres by pressurized oxidation combined microwave treatment for enhanced lithium storageCan-Liang Ma1,Zhen-Hui Hu1,Ning-Jing Song2,Yun Zhao1,Yan-Zhen... diffusion rate of lithium ions.When used as the anode material for lithium-ion batteries,the MEGM-T75t30 obtained by oxidation treatment at 75℃ for 30 min followed by microwave irradiation for expansion......
