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Abstract:
一种Sr掺杂锰镓合金及其高矫顽力纳米晶磁体的制备方法,属于非稀土磁性材料技术领域。其具体方法为:首先采用熔炼及热处理的工艺,制备出四方相Sr掺杂锰镓合金,其化学式为Mnx‑yGaSry(1<x≤3.0, 0<y≤0.5)。再将该合金快速热变形,获得具有高矫顽力的Sr掺杂锰镓纳米晶磁体。本发明的显著特点在于,Sr元素掺杂对MnxGa(1≤x≤3)合金进行改性,在保持其内禀磁性的基础上,增强合金塑性变形能力,降低了热变形温度,提高了热变形速率和变形量,达到细化晶粒、提高磁性能的效果。
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Patent Info :
Type: 发明授权
Patent No.: CN202011106374.3
Filing Date: 2020-10-15
Publication Date: 2021-08-13
Pub. No.: CN112195381B
Applicants: 北京工业大学
Legal Status: 授权
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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