Abstract:
采用常规的陶瓷工艺制备了La_(0.572)Ca_xSr_((0.658-x))Co_(0.356)Fe_(12.4)O_(19)(x=0.1,0.2,0.3,0.4,0.5,0.6,0.658)磁粉,研究了预烧温度和Ca元素含量对磁粉晶体结构、显微组织和磁性能的研究。研究表明,在1 190~1 230℃的温度下预烧,磁粉均可形成具有典型M型六角晶系SrM铁氧体晶体结构的单一相结构。其中,在1 220℃预烧的磁粉具有最佳磁性能。Ca~(2+)取代Sr~(2+)导致M相的晶胞体积缩小,但是相结构稳定不变,随着Ca含量的升高,磁粉的饱和磁化强度出现了先升高后降低的变化规律,当x=0.5时M_s=5...
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金属功能材料
Year: 2022
Issue: 01
Volume: 29
Page: 45-49
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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