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author:

时维元 (时维元.) [1] | 林正英 (林正英.) [2]

Indexed by:

CQVIP PKU CSCD

Abstract:

试验研究了2A12铝合金回填式搅拌摩擦点焊接头的微观组织及力学性能。结果表明由于焊接不同区域经历不同的焊接热循环与机械搅拌作用,造成焊接区微观组织的不均匀分布。热影响区组织发生长大并且变暗;热机影响区晶粒被拉长变形,组织不均匀;焊核区发生动态再结晶形成细小等轴晶。焊点的剪切拉伸力学性能较好,达9.193k N,韧性断裂特征明显,韧窝呈抛物线状。

Keyword:

剪切拉伸强度 回填式搅拌摩擦点焊 微观组织 韧窝

Community:

  • [ 1 ] 金陵科技学院,江苏南京211169
  • [ 2 ] 福州大学,福建福州350108

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Source :

热加工工艺

ISSN: 1001-3814

Year: 2015

Issue: 23

Volume: 44

Page: 216-217

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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