Influence of Hydrostatic Extrusion on the Mechanical Properties of the Model Al-Mg Alloys

被引：3

作者：

Towarek, Aleksandra ^{[1
]}

Jurczak, Wojciech ^{[2
]}

Zdunek, Joanna ^{[1
]}

Kulczyk, Mariusz ^{[3
]}

Mizera, Jaroslaw ^{[1
]}

机构：

[1] Warsaw Univ Technol, Fac Mat Sci & Engn, Warsaw, Poland

[2] Polish Naval Acad, Fac Mech & Elect Engn, Gdynia, Poland

[3] Polish Acad Sci, UNIPRESS, Inst High Pressures Phys, Warsaw, Poland

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2021年 / 30卷 / 05期

关键词：

aluminium alloys; Al-Mg; hydrostatic extrusion; plastic deformation; GRAIN-SIZE; MICROSTRUCTURE; EVOLUTION; PRECIPITATION; DEFORMATION; STRENGTH; STRAIN;

D O I：

10.1007/s11665-021-05628-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two model aluminium-magnesium alloys, containing 3 and 7.5 wt.% of Mg, were subjected to plastic deformation by means of hydrostatic extrusion (HE). Two degrees of deformation were imposed by two subsequent reductions of the diameter. Microstructural analysis and tensile tests of the materials in the initial state and after deformation were performed. For both materials, HE extrusion resulted in the deformation of the microstructure-formation of the un-equilibrium grain boundaries and partition of the grains. What is more, HE resulted in a significant increase of tensile strength and decrease of the elongation, mostly after the first degree of deformation.

引用

页码：3502 / 3509

页数：8

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