Inelastic strain recovery of a dynamically deformed unidirectional Ag-Cu eutectic alloy

被引：2

作者：

Kingstedt, O. T. ^{[1
]}

Eftink, B. P. ^{[2
]}

Robertson, I. M. ^{[3
]}

Lambros, J. ^{[4
]}

机构：

[1] CALTECH, Div Engn & Appl Sci, Pasadena, CA 91125 USA

[2] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

[3] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA

[4] Univ Illinois, Dept Aerosp Engn, Urbana, IL 61801 USA

来源：

ACTA MATERIALIA | 2016年 / 113卷

关键词：

Strain recovery; Silver-copper; Twin boundary; Ultra-fine-grain material; Eutectic; ULTRA-HIGH STRENGTH; DEFORMATION MECHANISMS; INTERFACES; PROPAGATION; COMPOSITES; PROPERTY; ALUMINUM; BEHAVIOR;

D O I：

10.1016/j.actamat.2016.04.043

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work we report experimentally observed inelastic recovery within a bulk directionally-cast Ag-Cu eutectic system tailored to possess a high density of incoherent twin interfaces. Incremental high strain rate compression experiments were performed along the [101] crystallographic direction. Initial loading to a compressive strain of 0.10 was followed by inelastic strain recovery of 0.02-0.035. Further incremental loading saw decreasing inelastic strain recovery with each additional loading increment. Once a total compressive stain of 0.22 was reached there was cessation of inelastic strain recovery. Quasi-static compression and thermal experiments were conducted to elucidate the necessary loading conditions for inelastic recovery to occur in the Ag-Cu material and to provide insight of possible active recovery mechanisms. (C) 2016 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：293 / 300

页数：8

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