Cyclic plasticity of cold-worked nickel at high mean stresses

被引：2
|
作者：
Kunz, L [1 ]
Lukás, P [1 ]
机构：
[1] Acad Sci Czech Republ, Inst Phys Mat, CZ-61662 Brno, Czech Republic
来源：
LOW CYCLE FATIGUE AND ELASTO-PLASTIC BEHAVIOUR OF MATERIALS | 1998年
关键词：
fatigue; mean stress; cyclic creep; cyclic plasticity; nickel;
D O I：
10.1016/B978-008043326-4/50009-X
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Cyclic creep behaviour of cold-worked Ni was investigated at ambient temperature. The abrupt onset of the cyclic creep accompanied by the cyclic softening acceleration was observed after the initial cyclic creep deceleration period. A unique relation between the cyclic creep rate and the plastic strain amplitude for given mean stress was found. The ductile creep fracture was not observed for mean stresses exceeding one half of the ultimate tensile strength.
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页码：21 / 26
页数：4
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