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55%Ni-Fe合金纵向磁场处理降低剩磁Br的探讨刘桂兰,陈贵清东北工学院金属材料系摘 要:对K1>0的55%Ni-Fe合金,在预高温退火后使[001]晶向不在磁场处理方向上而形成{100}<310>二次再结晶织构,此时再进行纵向磁场退火,由于结晶各向异性能和感生各向异性能叠加,使易磁化轴偏离磁场处理方向约25°,因而可使剩磁Br降低,得到扁平回线.关键词:Ni-Fe合金;纵向磁场热处理;剩磁比;磁转矩;......
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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......
凝胶-微乳液化学剪裁制备Ni-Fe复合纳米微粒(Ⅱ) 相关参数对微粒的组成及粒径分布和磁性的影响 张朝平1,刘坚1,勾华2,罗玉萍1,张世仙2,申德君3 (1.贵州大学理工学院化学系,贵州,贵阳,550025;2.贵州遵义师范学院化学系,贵州,遵义,563000;3.贵阳高等师范专科学校生化系,贵州,贵阳,550008) 摘要:用XRD, TEM, EDS及振动磁强计研究了凝胶-微乳液化学剪裁技术制备明胶包裹的复合纳米量级铁镍超细微粒时, 微乳液的水池半径R和Ni/Fe比等参数对微粒的组成及粒径分布和磁性的影响. 结果表明: 微粒为明胶包裹球形超细微粒. 微球的平均粒径为48~136 nm, 单个微粒的粒径2.3~3.4 nm. 每个复合微球中约有21~40个铁-镍粒子, 微粒有优良的磁性, 高的矫顽力. X射线衍射和X射线能谱分析表明有Ni-Fe合金相形成. 关键词:凝胶......
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