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Abstract:
本文利用原住准动态背散射电子显微像(BSE)并结合透射电镜观察研究了MgGd1.8 Y0.8Znx(at.%)(x=0.12,0.8,1.3)合金中长周期堆垛结构(LPS)的形成及生长形态.结果表明,当Zn含量较少时(x=0.12),铸态和各种热处理状态的合金中都未形成LPS.而在Zn含量相对较多的铸态合金(x=0.8,1.3)中,发现6层周期LPS的形成,而且Zn含量越多,LPS的体积分数越大.在300℃进行热处理时,LPS可以沿Mg基体{0001}面生长,原位准动态BSE观察可以直接揭示与LPS的生长相关的形貌变化.
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电子显微学报
ISSN: 1000-6281
Year: 2008
Issue: 4
Volume: 27
Page: 266-270
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 10
Chinese Cited Count:
30 Days PV: 9
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