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; Abstract: The melting point, spreading property, mechanical... is also obviously improved even up to 15.7%. In sum, the optimum content of Ce is within 0.05%-0.1 %. Key words: Sn-Ag-Cu system; lead-free solder alloy; melting point; spreading property; mechanical......
Effect of hot plastic deformation on microstructure and mechanical property of Mg-Mn-Ce magnesium alloy JIAN Wei-wei(简炜炜), KANG Zhi-xin(康志新), LI Yuan-yuan(李元元) School of Mechanical Engineering.... The mechanism of microstructural evolution and the relationship between microstructure and mechanical property of Mg-Mn-Ce magnesium alloy processed by this solid die were also analyzed. Key words......
, the transverse rupture strength is improved from 371 MPa to 833 MPa, the increasing rate is as high as 121.8%, the excellent property of cermets obtained is attributed to the increase of content of composed structure (Mo2FeB2+Fe3B), as well as the decrease of Fe2B phase content. Key words: Fe2B phase; Fe2B-Mo2FeB2 based cermets; microstructure; property 过渡族金属硼化物具有高硬度,高熔点,优异的耐热性及耐腐蚀性等突出优点,从而使以它们为基的金属陶瓷材料在耐......
, 2017, 53(10): 1169-1180. [13] FEYERABEND F, FISCHER J, HOLTZ J, WITTE F, WILLUMEIT R, DRüCKER H, VOGT C, HORT N. Evaluation of short-term effects of rare earth and other elements used in magnesium... evolution methods when the extrusion temperature is 350 ℃. Key words: magnesium alloy; microstructure; biocorrosion property; mechanical property Foundation item: Project(2012IRTSTHN008) supported......
]. Materials Science & Engineering A, 2014, 612: 363-370. [14] FEYERABEND F, FISCHER J, HOLTZ J, WITTE F, WILLUMEIT R, DRUCKER H, VOGT C, HORT N. Evaluation of short-term effects of rare earth... in the last 24 h. Key words: magnesium alloy; microstructure; biocorrosion property; electrochemical property Foundation item: Project(17HASTIT026) supported by Technology Innovation Talents in Universities......
with (0001) basal plane parallel to the rolling surface. The mechanical property tests show that the activity of <> twinning during compression exerts significant effect on the tensile-compressive... magnesium alloys; texture; mechanical property 镁合金具有低密度,高强度,易回收等优点,近年来作为轻质结构材料被......
A COMPUTERIZED SYSTEM ON KINETIC ANALYSIS AND EVALUATION OF GAS/SOLID REACTIONS J.H.Liu1,S.K.Wei1,J.Y.Zhang1 (1.School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, Beijing 100083, China) Abstract:The present paper presents the structure, features and functions of a computerized system on kinetic analysis and evaluation of gas/solid reactions......
; Abstract: A reaction bonding fabrication process using various grain size of SiC powder was investigated. The properties such as mechanical, thermal and physic property were tested... that this reaction bonding process is a feasible method to produced high quality RBSiC optical mirror. Key words: RBSiC; silicon carbide; fabrication; optical applications; polishability; property......
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, STEM, Instron mechanical property equipment and bending tester. The microstructure of the wire consists of fine equiaxed grains with diameter of 1 mm and three different kinds of strengthening... is about 5 mm. Key words: magnesium alloy; reciprocating extrusion; wire; mechanical property 与钛合金和不锈钢相比,镁合金的生物兼容性好,在人体内可以降解而且无毒[1].例如将Mg-1Ca销钉植入大腿骨架中,销钉周围可以形成活性造骨细胞和骨细胞,90 d后,销钉降解,被生物体吸收,新生骨骼形成[2].以镁合金作动脉......