Partial dissolution of strengthening particles induced by equal channel angular pressing in an Al-Li-Cu alloy

被引：16
|
作者：
Cabibbo, Marcello [1 ]
机构：
[1] Univ Politecn Marche, DIISM, I-60131 Ancona, Italy
来源：
MATERIALS CHARACTERIZATION | 2012年 / 68卷
关键词：
Al-Li alloy; Precipitation hardening; Severe plastic deformation; Equal channel angular pressing; TEM; SEVERE PLASTIC-DEFORMATION; MECHANICAL-PROPERTIES; ZR ALLOY; PRECIPITATION; REFINEMENT;
D O I：
10.1016/j.matchar.2012.03.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An Al-Li-Cu (AA2091) alloy was subjected to equal channel angular pressing (ECAP) at 210 degrees C following route B-C to a maximum strain of epsilon=8.64. A considerable particle age hardening anticipation with respect to an isochronal aging treatment was documented. At epsilon=6.48, the alloy reached a peak hardness level, while at epsilon=8.64, the alloy overaged and partial dissolution of the two most abundant hardening particles, T-1 plates and S' laths, was induced by ECAP/B-C. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：7 / 13
页数：7
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