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Hot deformation mechanism and microstructure evolution of TC11 titanium alloy in b field CHEN Hui-qin(陈慧琴)1, 2, CAO Chun-xiao(曹春晓)1, GUO Ling(郭 灵)1, LIN Hai(林 海)1 1. Beijing Institute...; Abstract: Hot deformation behaviors of TC11 alloy with b-annealed lamellar structure and forged equiaxed structure were investigated in the b field in the temperature range of 1 090-1 030......
Microstructure and properties of hot extruded AZ31-0.25%Sb Mg-alloy TIAN Su-gui(田素贵)1, WANG Ling(王 岭)1, K. Y. SHON 2, K. H. KIM 2 1. School of Materials Sciences and Engineering, Shenyang... of hot extrusion treatment on the microstructure and mechanical properties of AZ31-0.25%Sb Mg alloy were investigated by means of mechanical properties measurement and microstructure observation......
CSP热卷生产冷轧镀锌产品表面质量控制刘茂林1,范鼎东1,徐安军2(1.安徽省马鞍山市马鞍山钢铁股份有限公司第一钢轧总厂2.北京科技大学 冶金学院,北京 100083)摘 要:CSP工艺生产的热轧卷作为冷轧原料生产冷轧镀锌产品的表面质量较难控制.冷轧镀锌产品表面缺陷多种,共生,消除缺陷需要确定缺陷类别,产生工序和相应的控制点.讨论了一种由薄板坯纵裂纹衍生而产生的冷轧镀锌产品表面缺陷控制方法.通过对钢水精炼工艺和CSP铸机工艺参数的调整,此种表面缺陷控制取得明显效果.关键词:CSP热轧卷; 冷轧镀锌......
Study of Microstructure and Magnetic Properties of Pr-Fe-B-Cu Permanent Magnets by Hot Deformation 高天明1,杨昌平1,吴严1,陈秀云1,朱静1,姜忠良1 (1.Department of Materials Science and Engineering, School... by hot deformation was studied. Fine and well-aligned column grains can be obtained by using a proper solidification mould with a high cooling rate. The soft magnetic phase α-Fe can be removed during......
Flow stress of 2197 Al-Li alloy during hot compression deformation WEI Xiu-yu(魏修宇), ZHENG Zi-qiao(郑子樵), FU Xin(付欣), CHEN Qiu-ni(陈秋妮) School of Materials Science and Engineering, Central South...; Abstract: The flow stress behavior of 2197 Al-Li alloy during hot......
Hot deformation behavior and microstructure evolution of TC4 titanium alloy SUN Sheng-di(孙圣迪), ZONG Ying-ying(宗影影), SHAN De-bin(单德彬), GUO Bin(郭 斌) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 23 October 2009; accepted 25 August 2010 Abstract: The hot deformation behavior of Ti-6Al-4V (TC4) titanium alloy was investigated......
Oxidation and hot corrosion behavior ofTi2AlNb-based alloy with and without enamel coating at 800 ℃ ZHENG De-you(郑德有), XIONG Yu-ming(熊玉明), ZHU Sheng-long(朱圣龙), LI Ming-sheng(李明升), WANG Fu-hui(王福会...: The oxidation and hot corrosion behavior of Ti2AlNb-based alloy with and without enamel coating at 800 ℃ was investigated. The results indicated that Ti-22Al-25Nb alloy exhibited poor oxidation resistance......
Micro-Raman Spectroscopy for Stress Evaluation of 3C-SiC Epitaxially Grown on Si Substrate by Hot Wall CVD PEZZOTTI Giuseppe1,ZHU Ji-liang2,ZHU Wen-liang1 (1.Ceramic Physics Laboratory & Research..., Matsugasaki, 606-8585, Kyoto, Japan) 摘要:A series of cubic SiC single crystals were heteroepitaxially grown by the hot-wall chemical vapor deposition (CVD) using a HMDS-C3H8-H2 system on 2 inch......
J. Cent. South Univ. (2016) 23: 2792-2799 DOI: 10.1007/s11771-016-3342-3 Swelling behavior of hot preheated pellets in reduction roasting process Han Gui-hong(韩桂洪)1, Zhang Duo(张多)1, Huang Yan-fang(黄... 410083, China Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: One kind of facile coal-based direct reduction process is using hot preheated pellets for reduction......
HOT CORROSION BEHAVIOR OF K38G ALLOY AND ITS SPUTTERED NANOCRYSTALLINE COATING BY PRE-DEPOSITED SULFATE AT 900℃ S.L.Zhu1,W.T.Wu1,Fuhui WANG1,S.J.Geng1 (1.State Key Laboratory for Corrosion.... The hot corrosion behaviors of cast K38G alloy and its sputtered nanocrys-talline coating by pre-deposited 75wt%Na2SO4+25wt%K2SO4 at 900℃ were studied.The results indicated the occurrence of internal......