共搜索到18637条信息,每页显示10条信息,共1864页。用时:0小时0分0秒312毫秒
Abrasive wear property of laser melting/deposited Ti2Ni/TiNi intermetallic alloy GAO Fei(高 飞), WANG Hua-Ming(王华明) Laboratory of Laser Materials Processing and Manufacturing, School of Materials...; Abstract: A wear resistant intermetallic alloy consisting of TiNi primary dendrites and Ti2Ni......
......
......
Properties of electrodeposited amorphous Fe-Ni-W alloy deposits HE Feng-jiao(何凤姣)1, WANG Miao(王 淼)1, LU Xin(陆 欣)2 1. College of Chemistry and Chemical Engineering, Hunan University, Changsha...-Ni-W alloy deposits was proposed. The structure and morphology of Fe-Ni-W alloy deposit were detected by XRD and SEM. The friction and wear behavior of Fe-Ni-W alloy deposit were studied and compared......
High Carbon Alloy Steels with Multiple Types of Ultra-fine Carbides and Their Characteristics QI Yu-hong1,DAI Yu-mei1,LIU Yan-xia1,ZHANG Zhan-ping1,GAO Hong-tao1,MA Yong-qing1 (1.Dalian Maritime University, Dalian, China) 摘要:Under normal forging and annealing conditions, there are different ultra fine carbides (M3C, M23C6, M7C3, M6C and MC) in high carbon alloy steels when alloy composition......
Evolution of grain structure in AA2195 Al-Li alloy plate during recrystallization DU Yu-xuan(杜予晅), ZHANG Xin-ming(张新明), YE Ling-ying(叶凌英), LIU Sheng-dan(刘胜胆) School of Materials Science...; Abstract: The evolution of the grain structures in AA2195 Al-Li alloy plate warm-rolled by 80% reduction during recrystallization annealing at 500......
......
microscopy(SEM) and X-ray photoelectron spectroscopy(XPS). The results indicate that the Mg-Li-Al-Zr alloy after extrusion consists mainly of α-Mg, irregular AlLi, dispersed MgLi2Al and β-Li phases...Mg-10Li-5Al-0.02Zr合金的微观组织及合金在3.5% NaCl(质量分数)溶液中的析氢和电化学腐蚀行为,并分析腐蚀膜结构.结果表明:Mg-Li-Al-Zr合金热挤压后物相由α-Mg相,不规则的AlLi相,弥散的MgLi2Al和β-Li基体组成.热挤压后,合金组织均匀,晶粒细化,第二相数量减少.铸态和挤压态样品的腐蚀速率(PH)分别为(2.74±0.2) mm/a和(1.47±0.2) mm/a,沿挤压方向形......
......
. The results show that the microstructure of the as-cast Mg-8Li-3Al-3Zn alloy mainly consists of matrix α-Mg, AlLi and MgLi2Zn phases. With adding 1% Y (mass fraction), the AlLi phase disappears and a large...,揭示稀土元素Y对铸态Mg-8Li-3Al-3Zn合金的增强机制和断裂机理.结果表明:铸态Mg-8Li-3Al-3Zn合金主要包含3种相:基体α-Mg,第二相AlLi和MgLi2Zn.添加1.0%(质量分数)Y后,铸态镁锂合金中AlLi相消失,并析出了大量富集在α-Mg晶界处的硬质Al2Y相,合金的晶粒发生细化.与Mg-8Li-3Al-3Zn(抗拉强度134.40 MPa,屈服强度96.46......