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13篇 您的检索式:作者名="Matahiro"
    题名 作者 年代 出处 被引量
1Microstructure and corrosion resistance of sintered NdFeB magnet modified by intergranular additions of MgO and ZnO显示文摘Microstructure and corrosion resistance of sintered Nd15Dy1.2Fe77Al0.8B6 and Nd22Fe71B7 magnets modified by intergranular addi- tion of MgO and ZnO were investigated. Both the remanence and sintering density of the magnets increased slightly with intergranular addi- tions of MgO and ZnO. There was a remarkable increase in coercivity of Nd22Fe71B7 after addition. Besides, the effects on magnetic proper- ties and an improved corrosion resistance were observed. Compared with the native magnets without addition, corrosion potential of the magnets with MgO and ZnO additives was more positive and the current density in the anodic branch of the polarization curve was reduced. Corrosion resistance resulting from autoclave testing (2×105 Pa of steam pressure, 120 °C) showed that the corrosion rate of NdFeB magnets reduced with the increase of additive amount. Microstructure observation revealed that MgO and ZnO additives were incorporated into the intergranular phases in the magnets. With the introduction of MgO and ZnO, more intergranular phase with high oxygen content was formed while keeping the volume fraction of all the intergranular phases almost unchanged, which may contribute to improved corrosion resistance. Furthermore, addition of MgO and ZnO refined the grain size of Nd22Fe71B7.莫文剑 张澜庭 刘琼珍 单爱党 吴建生 Komuro Matahiro 沈丽萍 2008Journal of Rare Earths2008,26,2:9
2Increased coercivity in sintered Nd-Fe-B magnets with NdF3 additions and the related grain bound- ary phase 显示文摘Liu Q Z Zhang L T Dong X P Xua F Matahiro Komuro 2009Scripta Materialia2009,61,:1
3Increase of coercivity and composition distribution in fluoride-diffused Nd- FeB sintered magnets treated by fluoride solutions 显示文摘Matahiro Komuro Yuichi Satsu Hiroyuki Suzuki 2010IEEE Transactions on Magnetics2010,46,11:1
4Magnetic properties of a Nd-Fe-B sintered magnet with Dy segregation 显示文摘Hirovuki Suzuki Yuichi Satsu Matahiro Komuro 2009Journal of Applied Physics2009,105,07:1
5查看详情显示文摘Mo W J Zhang L T Liu Q Z Shah A D Wu J S Matahiro Ko-muro Shen L P 0,,:1
6Magnetic Properties of a Nd- Fe-B Sintered Magnet with Dy-Segregation 显示文摘Hiroyuki S Yuichi S Matahiro K 2009J Appl Phys2009,105,07:1
7Magnetic properties of a Nd-Fe-B sintered magnet with Dy-segregation显示文摘Hiroyuki.S Yuichi.S Matahiro K 0,,:1
8Structure and Magnetic Properties of Nd-FeB Powder Surrounded with Layer of Rare-Earth Fluorides 显示文摘Matahiro K Yuichi S 2008J Appl Phys2008,103,07:1
9Dependence of the crystal structure of the Nd-rich phase on oxygen content in an Nd–Fe–B sintered magnet显示文摘Wenjian Mo Lanting Zhang Qiongzhen Liu Aidang Shan Jiansheng Wu Matahiro Komuro 2008Scripta Materialia2008,,2:1
10Microstructure and magnetic properties of NdFeB magnet prepared by spark plasma sintering显示文摘Wenjian Mo Lanting Zhang Aidang Shan Lijun Cao Jiansheng Wu Matahiro Komuro 2007Intermetallics2007,,11:1
11Magnetic and Electrical Properties of Single-Phase, Single-Crystal Fe16N2 Films Epitaxially Grown Bymolecular Beam Epitaxy 显示文摘Sugita Yutaka Takahashi Hiromasa Komuro Matahiro 1996J Appl Phys1996,79,8:1
12Magnetic properties of a Nd-Fe-B sintered magnets with Dy segregation显示文摘Hiroyuki S Yuichi S Matahiro K 0,,07:1
13Magnetic and Mossbauer studies of single-crystal Fe16N2 and FeN martensite films epitaxially grown by molecular beam epitaxy显示文摘YUTAKA S HIROMASA T MATAHIRO K 1994J Appl Phys1994,76,10:1
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