An Experimental Study of Ratcheting Effect Under Multiaxial Proportional Loading

被引：5

作者：

Borodii, M. V. ^{[1
]}

Stryzhalo, V. O. ^{[1
]}

Kucher, M. K. ^{[1
]}

Danyl'chuk, E. L. ^{[1
]}

Adamchuk, M. P. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Pisarenko Inst Problems Strength, Kiev, Ukraine

来源：

STRENGTH OF MATERIALS | 2014年 / 46卷 / 01期

关键词：

low-cycle fatigue; ratcheting; multiaxial loading; asymmetric proportional loading; plane stress state; tension; torsion; CYCLIC PLASTICITY; SOFTENING MATERIALS; UNIAXIAL BEHAVIOR; STAINLESS-STEEL; DEFORMATION;

D O I：

10.1007/s11223-014-9520-3

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The paper addresses the mechanical behavior of carbon steel 20 in asymmetric loading under the conditions of plane stress state that occurs in a thin-walled specimen in tension-compression and alternating torsion. The asymmetric cyclic loading of specimens was carried out in a stress-controlled mode along three paths with a frequency of 0.1 Hz with a base up to 1200 cycles. Cyclic stress-strain diagrams have been constructed for the specimens under tension-compression, alternating torsion, and proportional loading. The curves of von Mises equivalent ratcheting strains have been plotted. The highest ratcheting rate is shown to take place in the tension-compression loading case.

引用

页码：97 / 104

页数：8

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