APPLICATION RESEARCH OF THE GERBER PARABOLA FOR THE FATIGUE RELIABILITY DESIGN

doi:10.3863/j.issn.1000-2634.2003.06.24

西南石油大学学报(自然科学版) ›› 2003, Vol. 25 ›› Issue (6): 81-83.DOI: 10.3863/j.issn.1000-2634.2003.06.24

• 石油机械工程及其它 • Previous Articles Next Articles

APPLICATION RESEARCH OF THE GERBER PARABOLA FOR THE FATIGUE RELIABILITY DESIGN

GUO Wei-qiang PU Ru-ping ZHAO Wu-yun

(Institute of Mechanical Manufacturing Technology, China Academy of Engineer Physics , Mianyang sichuan 621900, China)

Received:2003-07-04 Revised:1900-01-01 Online:2003-12-20 Published:2003-12-20

Abstract

Abstract:

Five kinds of fatigue limits stress (σm-σa) diagrams were introduced in this paper, and application characteristics of Good man diagram, Simplified fatigue limit fold curve diagram, Soderberg line diagram ,Биргерparabolaand Gerber parabola curves were analyzed. The calculating values of the standard difference of fatigue limit in reliability intensity of Gerber’s parabola were in good agreed with the testing data. The advantages of the fold curve equations were analyzed in detail, it provided the theoretical supports for the reliability design.

Key words: fatigue strength, fatigue curve, reliability, design

CLC Number:

GUO Wei-qiang PU Ru-ping ZHAO Wu-yun. APPLICATION RESEARCH OF THE GERBER PARABOLA FOR THE FATIGUE RELIABILITY DESIGN[J]. 西南石油大学学报(自然科学版), 2003, 25(6): 81-83.

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APPLICATION RESEARCH OF THE GERBER PARABOLA FOR THE FATIGUE RELIABILITY DESIGN

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