The Influence of Ion-Plasma Treatment on Microhardness and Tensile Yield Strength of Austenitic Stainless Steel with Different Grain Size and Microstructure

被引：0

作者：

Moskvina, Valentina A. ^{[1
]}

Zagibalova, Elena A. ^{[1
,2
]}

机构：

[1] Inst Strength Phys & Mat Sci SB RAS, Tomsk 634055, Russia

[2] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS. MATERIALS WITH MULTILEVEL HIERARCHICAL STRUCTURE AND INTELLIGENT MANUFACTURING TECHNOLOGY | 2020年 / 2310卷

关键词：

D O I：

10.1063/5.0034192

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The effect of ion-plasma treatment (IPT) on tensile yield strength and microhardness in the 316L austenitic stainless steel specimens with gram-subgrained (d<0.5 mu m), tine-grained (d=6 mu m) and coarse-grained (d=55 mu m) structures has been studied. As a result of IPT, the yield strength and microhardness of the specimens increase. The mechanisms responsible for the variation in the yield strength after IPT strongly depend on the initial structural state in steel-density of intergranular boundaries and defects of a crystal structure. The increase in microhardness in the surface layers of the specimens and their yield strength is determined by both solid-solution strengthening and precipitation hardening, regardless of the type of initial structure in them.

引用

页数：5

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