New aspects of solid-state welding in the aluminium accumulative roll bonding

被引：0

作者：

Trajano, Adriano A. ^{[1
]}

Haase, Olavo C. ^{[2
]}

Aguilar, Maria Teresa P. ^{[3
]}

Cetlin, Paulo R. ^{[4
]}

机构：

[1] Univ Fed Minas Gerais, Grad Program Mech Engn, Belo Horizonte, Brazil

[2] Univ Fed Minas Gerais, Grad Program Met Mat & Min Engn, Belo Horizonte, Brazil

[3] Univ Fed Minas Gerais, Dept Construct & Mat, Belo Horizonte, Brazil

[4] Univ Fed Minas Gerais, Dept Mech Engn, Belo Horizonte, Brazil

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2024年 / 40卷 / 03期

关键词：

solid-state welding; accumulative roll bonding; aluminium; film theory; profilometry; MECHANICAL-PROPERTIES; COLD; MICROSTRUCTURE; STRENGTH; STRIPS; COMPOSITE; EVOLUTION; ALLOYS;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The phenomena in solid-state welding (SSW) of metals during accumulative roll bonding (ARB) are analysed. The basic mechanism in SSW is described by the 'film theory', where superficial oxide layers/cover layers of metals fracture when submitted to elongations, the material on both sides of the sheets to be joined are extruded through these fractures and opposing virgin surfaces touch and weld. Present results reveal new aspects of these phenomena: the presence of 'mountain ridges' on delaminated surfaces after ARB, bonding regions along the rolling direction and the flattening of the geometric characteristics of delaminated surfaces as the number of ARB passes rises. A model is proposed for the development of the bonds along the rolling direction.

引用

页码：228 / 235

页数：8

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