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author:

倪潮方 (倪潮方.) [1] | 钱匡武 (钱匡武.) [2]

Abstract:

研究了动态应变时效(DSA)对1Cr18Ni9Ti钢室温~550℃力学性能的影响,并与传统的冷变形(CW)及静态应变时效(SSA)强化相比较,并辅以金相、电镜组织的观察,结果表明:等预应变量DSA强化效果高于CW,与SSA相近。当18%预应变,σ_(0.2)提高2.5倍,δ仍不低于20%。这种新强韧化方法产生高密度、均匀的三维位错网络,属亚结构强化,避免了传统方法因产生α′-M体而丧失该钢特殊性能的弊病,因而在工业中具有广阔的应用前景。

Keyword:

DSA 位错节 动态应变时效 奥氏体不锈钢

Community:

  • [ 1 ] 福州大学

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Source :

理化检验.物理分册

ISSN: 1001-4012

CN: 31-1338/TB

Year: 1987

Issue: 05

Volume: 23

Page: 12-15,26

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:

30 Days PV: 2

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