Study of deformation and fracture of submicrocrystalline aluminum alloys by acoustic emission method

被引：1

作者：

Nikulin, S. A. ^{[1
]}

Khanzhin, V. G. ^{[1
]}

Dobatkin, S. V. ^{[1
,2
]}

Zakharov, V. V. ^{[3
]}

Kopylov, V. I. ^{[4
]}

Rostova, T. D. ^{[3
]}

Rogachev, S. A.

机构：

[1] State Technol Univ, Moscow Steel & Alloys Inst, Leninsky Pr 4, Moscow 119049, Russia

[2] Russian Acad Sci, Inst Metallurgy & Mat Sci, Moscow R-119991, Russia

[3] All Russia Inst Light Alloys, Moscow R-121596, Russia

[4] Natl Acad Sci Belarus, Phys Tech Inst, Minsk 220141, BELARUS

来源：

NANOMATERIALS BY SEVERE PLASTIC DEFORMATION IV, PTS 1 AND 2 | 2008年 / 584-586卷

关键词：

fracture; submicrocrystalline structure; aluminum alloys; equal channel angular pressing; acoustic emission;

D O I：

10.4028/www.scientific.net/MSF.584-586.870

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The deformation and fracture of submicrocrystalline aluminum Al-6%Mg and Al-6.1%Mg-0.3%Sc-0.1%Zr alloys after severe plastic deformation (SPD) by equal channel angular pressing (ECAP) as well as the same convenient alloys were investigated by acoustic emission (AE) method. ECAP resulted in predominantly submicrocrystalline structure with high angle grain boundaries and a-rain sizes similar to 100-400 nm in Al-6.1%Mg-0.3%Sc-0.1%Zr alloy and similar to 300-700 nm in Al-6%Mg alloy. The AE measurements carried out during material tension tests give new information regarding the processes deformation and fracture in materials and, together with the methods of microstructure, phase and fractography analysis.

引用

页码：870 / 875

页数：6

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