A COMPARISON OF THE PORTEVIN-LE-CHATELIER EFFECT IN CONSTANT-STRAIN-RATE AND CONSTANT-STRESS-RATE TESTS

被引：15

作者：

FELLNER, M

HAMERSKY, M

PINK, E

机构：

[1] MASARYKOVV UNIV,KATEDRA OBECNE FYZIKY,BRNO,CZECHOSLOVAKIA

[2] UNIV MIN & MET LEOBEN,INST MET PHYS,A-8700 LEOBEN,AUSTRIA

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1991年 / 137卷

关键词：

D O I：

10.1016/0921-5093(91)90330-P

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Tensile tests were performed on aluminium alloys prone to exhibit a Portevin-Le Chatelier effect, in order to compare the consequences of applying constant strain rates and constant stress rates. For all testing conditions known to produce different types of serrations in constant-strain-rate tests, only one type, i.e. a step-like stress-strain curve, can be obtained in constant-stress-rate tests. Such a step is analogous to the appearance of an A-type serration in constant-strain-rate tests.

引用

页码：157 / 161

页数：5

共 10 条

[1] ON DISCONTINUOUS PLASTIC STATES, WITH SPECIAL REFERENCE TO LOCALIZED NECKING IN THIN SHEETS [J].

HILL, R .

JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 1952, 1 (01) :19-30

[2]

HOSTINSKY T, 1976, J TEST EVAL, V4, P26, DOI 10.1520/JTE10503J

[3]

Hostinsky T., 1974, Kovove Materialy, V12, P543

[4] A NONLINEAR ASPECT OF CRYSTAL PLASTICITY - THE PORTEVIN-LE CHATELIER EFFECT [J].

KUBIN, LP ;

ESTRIN, Y .

JOURNAL DE PHYSIQUE, 1986, 47 (03) :497-505

[5] THE PORTEVIN-LECHATELIER EFFECT IN DEFORMATION WITH CONSTANT STRESS RATE [J].

KUBIN, LP ;

ESTRIN, Y .

ACTA METALLURGICA, 1985, 33 (03) :397-407

[6] THE RATE DEPENDENCE OF THE PORTEVIN-LECHATELIER EFFECT [J].

KUBIN, LP ;

CHIHAB, K ;

ESTRIN, Y .

ACTA METALLURGICA, 1988, 36 (10) :2707-2718

[7]

PINK E, 1987, ACTA METALL MATER, V35, P127, DOI 10.1016/0001-6160(87)90220-3

[8]

PINK E, 1987, Z METALLKD, V78, P846

[9]

THOMPSON DS, 1977, INT AUTOMOTIVE ENG C

[10]

WEBERNIG WM, 1986, Z METALLKD, V77, P188

← 1 →