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author:

廖丹佩 (廖丹佩.) [1] | 詹艳然 (詹艳然.) [2]

Indexed by:

CQVIP

Abstract:

目的解决继电器Ag-Cu复合触点顶镦成形后,Ag层厚度分布不均的问题。方法通过数值模拟分析了其预成形和终成形过程中等效应变的分布,以及Ag-Cu界面形状的变化规律及影响因素,并在预成形形状和摩擦因数方面,提出了改善Ag层厚度均匀性的措施。结果预成形模具形状及工件与模具间的摩擦,对成形结果的影响很大。结论半锥角α取值居中时,终成形后易获得均匀的Ag层厚度分布;减小Ag-上模间摩擦因数或增大Cu-下模间摩擦因数,则有利于增加终成形后Ag层厚度分布的均匀性。

Keyword:

厚度分布 摩擦因数 触点 顶镦 预成形半锥角

Community:

  • [ 1 ] 福州大学机械工程及自动化学院,福州350108

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Source :

精密成形工程

ISSN: 1674-6457

Year: 2014

Issue: 5

Volume: 6

Page: 113-118

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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