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Coercivity enhancement of nanocrystalline hot-deformed Nd-Fe-B magnets by low-melting eutectic MM-Cu(MM=La,Ce,Pr,Nd) alloys additionZheng Jing,Zhaohui Guo,Younian He,Meiling Zhang,Xin Wang,Minggang...℃.The peaks substantially correspond to three types of MM-Cu low-melting eutectic phase.The coercivity of magnets increases when the MM-Cu content is lower than 4 wt%,and then keeps almost no change......
Coercivity enhancement of nanocrystalline hot-deformed Nd-Fe-B magnets by low-melting eutectic MM-Cu(MM=La,Ce,Pr,Nd) alloys additionZheng Jing,Zhaohui Guo,Younian He,Meiling Zhang,Xin Wang,Minggang...℃.The peaks substantially correspond to three types of MM-Cu low-melting eutectic phase.The coercivity of magnets increases when the MM-Cu content is lower than 4 wt%,and then keeps almost no change......
addition increased,whereas Co addition did not lead to any appreciable change in the ratio of α-Fe and Nd2Fe14B. Moreover, Dy addition apparently increased coercivity of an alloy while Co addition had... for 12 min at 725 ℃were iHc=4.85 kOe, Br= 11.32 kG, (BH)max = 15.73 MGOe, and mr=0.73. Key words:nanocomposite; Nd-Fe-B; magnetic properties; remanence; coercivity; [全文内容正在添加中] ......
Influence of dysprosium substitution on magnetic and mechanical properties of high intrinsic coercivity Nd-Fe-B magnets prepared by double-alloy powder mixed method胡志华1,瞿海锦2,马冬威1,罗成11. College.... The variation on magnetic and mechanical properties of high intrinsic coercivity Nd-Fe-B magnets prepared by double-alloy powder mixed method was discussed, which is a method blending two-type main phase alloy......
Influence of dysprosium substitution on magnetic and mechanical properties of high intrinsic coercivity Nd-Fe-B magnets prepared by double-alloy powder mixed method胡志华1,瞿海锦2,马冬威1,罗成11. College.... The variation on magnetic and mechanical properties of high intrinsic coercivity Nd-Fe-B magnets prepared by double-alloy powder mixed method was discussed, which is a method blending two-type main phase alloy......
Relation of the Coercivity with the Grain Alignment Degree in Nd-Fe-B Sintermagnets高汝伟,章亚明,李华,姜寿亭,周寿增,李佛标,张黎东摘 要:RelationoftheCoercivitywiththeGrainAlignmentDegreeinNd-Fe-BSintermagnetsGaoRu-Wei(高汝伟);ZhangYa-Ming(章亚明);LiHua(李华);JiangShou-...关键词:......
矿山企业开展电子商务的对策研究 杨保华1,吴爱祥1 (1.中南大学,湖南,长沙,410083) 摘要:电子商务的蓬勃发展给我国矿山企业带来了巨大的机遇与挑战,它是矿山企业进一步发展的必然趋势.如何面对及适应电子商务时代是我国矿山企业目前应该引起重视的问题.文章阐述了矿山企业开展电子商务的必要性和可行性,并根据矿山企业的实际情况对其开展电子商务应采取的对策进行了研究. 关键词:矿山企业; 电子商务; 对策研究; [全文内容正在添加中] ......
面向电子商务的企业网站建设方案 马宪民1,牟琦1 (1.西安科技大学计算机系,西安,710054) 摘要:本文通过一个完整的ASP应用程序的设计和实现过程,介绍了企业建立电子商务网站的技术解决方案,并针对ASP,ADO等关键技术进行了专门的讨论. 关键词:企业网站; 电子商务; ASP; [全文内容正在添加中] ......
煤矿企业内部电子商务网 李世银1,粟君1,钱建生1,刘富强1,王辉2 (1.中国矿业大学信电学院,;2.中国矿业大学工商管理学院,) 摘要:介绍了电子商务的概念,发展简史,分类和特点,分析了煤矿企业内部电子商务网的实现和流程. 关键词:煤矿; 网络; 电子商务; Intranet; [全文内容正在添加中] ......
值得注意的一个电子商务发展方向 孙世杰1 (1.北京昂连粉末技术中心,北京,100080) 摘要:随着硬质合金及相关行业网上信息资源的增加,互联网正成为工作中日益重要的工具,电子商务不仅能给商务活动带来方便,还将改变企业结构和产业结构,传统行业借助互联网整合资源,提高效率是B2B型网站发展的一个重要方向. 关键词:电子商务; 网站; 信息; [全文内容正在添加中] ......