STRENGTHENING OF METALS THROUGH SEVERE PLASTIC DEFORMATION

被引：0

作者：

Kawasaki, Megumi ^{[1
,2
,3
]}

Lee, Han-Joo ^{[1
]}

Jang, Jae-il ^{[1
]}

Langdon, Terence G. ^{[2
,3
,4
]}

机构：

[1] Hanyang Univ, Div Engn & Mat Sci, Seoul 04763, South Korea

[2] Univ Southern Calif, Dept Aerosp & Mech Engn, Los Angeles, CA 90089 USA

[3] Univ Southern Calif, Dept Mat Sci, Los Angeles, CA 90089 USA

[4] Univ Southampton, Fac Engn & Environm, Mat Res Grp, Southampton SO17 1BJ, Hants, England

来源：

REVIEWS ON ADVANCED MATERIALS SCIENCE | 2017年 / 48卷 / 01期

基金：

欧洲研究理事会;

关键词：

ULTRAFINE-GRAINED MATERIALS; HIGH-PRESSURE TORSION; HALL-PETCH RELATIONSHIP; STRAIN-RATE SENSITIVITY; MG ALLOY; MECHANICAL-PROPERTIES; ALUMINUM-ALLOY; ARCHITECTURED MATERIALS; HARDNESS HOMOGENEITY; BIOLOGICAL-MATERIALS;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The processing of bulk metals through the application of severe plastic deformation (SPD) provides an opportunity for achieving excellent grain refinement to the submicrometer or even the nanometer range. These SPD procedures produce materials exhibiting improved mechanical properties including very high strength. This report describes recent results demonstrating the strengthening of conventional metallic alloys processed by high-pressure torsion (HPT). It shows also that exceptionally high strength may be achieved by synthesizing a metal matrix nano-composite using HPT to simultaneously process two different metal disks. Special emphasis is placed on the significance of grain refinement in producing strengthening by HPT.

引用

页码：13 / 24

页数：12

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