A RESEARCH APPROACH BASED ON THE EXHAUSTION MODEL OF MATERIAL DUCTILITY FOR FATIGUE DAMAGE

doi:10.6052/0459-1879-1993-4-1995-671

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Volume 25 Issue 4

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Chinese Journal of Theoretical and Applied Mechanics > 1993 > 25(4): 496-499. > DOI: 10.6052/0459-1879-1993-4-1995-671 CSTR: 32045.14.0459-1879-1993-4-1995-671

A RESEARCH APPROACH BASED ON THE EXHAUSTION MODEL OF MATERIAL DUCTILITY FOR FATIGUE DAMAGE[J]. Chinese Journal of Theoretical and Applied Mechanics, 1993, 25(4): 496-499. DOI: 10.6052/0459-1879-1993-4-1995-671

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A RESEARCH APPROACH BASED ON THE EXHAUSTION MODEL OF MATERIAL DUCTILITY FOR FATIGUE DAMAGE

西安交通大学环境与化学工程学院,710049

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Abstract

Considering the fact that the material ductility may be decreased in cycle fatigue process, a new damage variable based on the exhaustion model of material ductility is defined for low-cycle fatigue , and measured experimentally. It is shown that this damage variable has a definite physical meaning and can be measured by a simple procedure. The relationship between the damage variable and mechanical property of material is establised.
- Low-cycle fatigue,
- Damage mechanics,
- Damage measurement,
- Material ductility,
- Research approach

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