An Overview on Recent Works of Heterostructured Materials Fabricated by Surface Mechanical Attrition Treatment

被引：7

作者：

Li, Cong ^{[1
]}

Li, Xingfu ^{[1
]}

Fu, Zhengrong ^{[1
]}

Pan, Hongjiang ^{[1
]}

Gong, Yulan ^{[1
]}

Zhu, Xinkun ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China

来源：

MATERIALS TRANSACTIONS | 2023年 / 64卷 / 07期

基金：

中国国家自然科学基金;

关键词：

surface mechanical attrition treatment (SMAT); gradient structure; heterostructured materials; strength; ductility; SEVERE PLASTIC-DEFORMATION; RESIDUAL-STRESS DISTRIBUTION; STACKING-FAULT ENERGY; STAINLESS-STEEL; METALLIC MATERIALS; GRADIENT STRUCTURE; GRAIN-REFINEMENT; MICROSTRUCTURAL EVOLUTION; PROCESSING PARAMETERS; CORROSION-RESISTANCE;

D O I：

10.2320/matertrans.MT-MF2022016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface mechanical attrition treatment (SMAT) method has been widely acknowledged to obtain desired combination of strength and ductility in metals and alloys, and helpfully overcome the "trade-off" between the two mechanical properties. Within researches for more than 20-years, the favorable mechanical properties are related to the typical gradient structure (GS) in metals and alloys prepared by SMAT. In this overview, the principle and process parameters of SMAT are concisely presented. The strengthening mechanisms are interpreted by traditional dislocation-twin theory, hetero-deformation induced (HDI) theory and theory of shear band and strain delocalization. Besides, the strengthening mechanisms and methods to obtain excellent mechanical properties are discussed. Furthermore, both the latest progresses in design of GS materials prepared by SMAT and some other research interests are displayed.

引用

页码：1429 / 1440

页数：12

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