学科分类
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1 个结果
  • 简介:阶段和磁电机在合金R(Co_(1-x)Sn_x)的热量的效果有x=的_20,0.025,0.050,0.075,和0.100被X光检查衍射分析和磁化测量调查。在RCo_2的Sn的替换是有限的。为RCo_2的合金的立方的MgCu_2-typestructure被X光检查粉末衍射证实,留下的合金主要由RCo_2阶段组成了,与一些RCo_3R_5Sn_3杂质阶段一起。Theimpurity阶段随Sn内容的增加增加。合金的T_c不对为Dy(Co_(1-x)Sn_x)的Sn替换很敏感_2和Tb(Co_(1-x)Sn_x)_2inGd(Co_(1-x)Sn_x)_2,居里温度显著地增加。最大的磁性的熵在合金Dy(Co_(1-x)Sn_x)改变_2(x=0,0.025,0.050,0.075)是5.78,5.43,3.88,并且2.98J·kg~(-1)·K~(-1),分别地,并且那些在Tb(Co_(1-x)Sn_x)_2(x=0,0.025)是3.44,and2.29J·kg~(-1)·K~(-1)分别地0-2.0T在应用的地里变化。

  • 标签: 稀土化合物 钴合金 材料替代 结构 磁致热效应