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Abstract:
研究了TC4钛合金薄板母材及其激光焊接头的拉伸和疲劳性能。结果表明:与母材相比激光焊接头的强度升高,延伸率下降;拉伸试样均断在母材。激光焊接头的疲劳寿命在低应力水平时高于母材,而在高应力水平时低于母材。在疲劳扩展区,母材为韧性穿晶断裂,熔合区则呈现出韧性和脆性相混合的断裂形貌;在瞬断区,母材由等轴韧窝组成,而熔合区主要为粗大的穿晶解理平面。
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Source :
材料工程
Year: 2006
Issue: 04
Page: 48-51
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: 8
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