Co-Extrusion of Dissimilar Al Alloys via Shear Assisted Processing and Extrusion

被引：2

作者：

Komarasamy, Mageshwari ^{[1
]}

Whalen, Scott ^{[1
]}

Taysom, Brandon ^{[1
]}

Herling, Darrell ^{[1
]}

机构：

[1] Pacific Northwest Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA

来源：

LIGHT METALS 2022 | 2022年

关键词：

Co-extrusion; Cladding; Friction extrusion; ShAPE; Dissimilar Al alloys; Microstructure; Mechanical properties;

D O I：

10.1007/978-3-030-92529-1_43

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Cladded tubes are generally used where two distinct properties are required at the outer and inner parts of a tube, for instance, strength and corrosion resistance. In this investigation, shear assisted processing and extrusion (ShAPE) was employed to fabricate bi-metallic tubes from 1100 and 7075, and 1100 and 2024 dissimilar Al alloy combinations. Surface defect-free bi-metallic tubes were fabricated via the ShAPE process. Detailed microstructural characterization of the interface and various locations of the cladded tubes were carried out using light and scanning electron microscopy techniques. A defect-free, metallurgically bonded interface between the cladded layer and high strength Al (7075 and 2024 Al) was observed. Furthermore, hardness and tensile properties of the cladded ShAPE tubes were examined in the as-extruded conditions.

引用

页码：308 / 313

页数：6

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