The Effect of a Textured Surface Layer on Deformation-Induced Surface Roughening in Titanium Polycrystals

被引：0

作者：

Emelianova, E. ^{[1
,2
]}

Zinovieva, O. ^{[1
]}

Pisarev, M. ^{[1
,2
]}

Dymnich, E. ^{[1
]}

机构：

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

[2] Natl Res Tomsk State 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

基金：

俄罗斯科学基金会;

关键词：

CRYSTAL PLASTICITY;

D O I：

10.1063/5.0034612

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents numerical investigations of the texture effect on deformation-induced surface roughening in surface-modified titanium specimens subjected to uniaxial tension. Three-dimensional polycrystalline models taking an explicit account of the grain morphology and crystallographic orientations are generated by the method of step-by-step packing. A crystal plasticity-based constitutive model describing the nonlinear behavior of individual grains is implemented in a dynamic boundary-value problem that is solved by the finite-element method. Two sets of calculations for polycrystalline models with textured and non-textured surface layers are performed. The basal texture of the surface layer is shown to effectively suppress surface roughening, both at the grain and mesoscales.

引用

页数：4

共 12 条

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