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本文采用扫描电镜(带能谱仪)和透射电镜分析技术并结合工作状态下受力分析研究了开裂护环的裂纹形貌、断口特征及裂尖区域的位错组态.表明:材料断裂的机制是腐蚀疲劳,并符合滑移-溶解机理.裂纹扩展主要由交替的疲劳和应力腐蚀控制.
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电子显微学报
ISSN: 1000-6281
CN: 11-2295/TN
Year: 1999
Issue: 5
Volume: 18
Page: 544-547
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0