FATIGUE STRENGTH RESEARCH OF DZ-22 SUPERALLOY UNDER COMPLEX STRESS CONDITION

Yue Yanfang; Rao Shouqii

Volume 7 Issue 2

Apr. 1992

Turn off MathJax

Article Contents

Article Navigation > Journal of Aerospace Power > 1992 > 7(2): 150-152,195

Yue Yanfang, Rao Shouqii, . FATIGUE STRENGTH RESEARCH OF DZ-22 SUPERALLOY UNDER COMPLEX STRESS CONDITION[J]. Journal of Aerospace Power, 1992, 7(2): 150-152,195.

Citation:

Yue Yanfang, Rao Shouqii, . FATIGUE STRENGTH RESEARCH OF DZ-22 SUPERALLOY UNDER COMPLEX STRESS CONDITION[J]. Journal of Aerospace Power, 1992, 7(2): 150-152,195.

Yue Yanfang, Rao Shouqii, . FATIGUE STRENGTH RESEARCH OF DZ-22 SUPERALLOY UNDER COMPLEX STRESS CONDITION[J]. Journal of Aerospace Power, 1992, 7(2): 150-152,195.

Citation:

Yue Yanfang, Rao Shouqii, . FATIGUE STRENGTH RESEARCH OF DZ-22 SUPERALLOY UNDER COMPLEX STRESS CONDITION[J]. Journal of Aerospace Power, 1992, 7(2): 150-152,195.

PDF( 247 KB)

FATIGUE STRENGTH RESEARCH OF DZ-22 SUPERALLOY UNDER COMPLEX STRESS CONDITION

Yue Yanfang,
Rao Shouqii,

Beijing University of Aeronautics and Astronautics,Beijing 100083

Received Date: 1991-12-01
Publish Date: 1992-04-28

Abstract

Abstract

Criteria for calculating low cycle fatigue strength of DZ22 superalloy under complex stress condition are considered.The fatigue life of the material under complex stresses can be predicted according to the criteria,provided its straight axial strengths and any straight axial S—N curve are available.For DZ22 as a kind of directionally solidified high temperature alloy,the low cycle fatigue comparative tests have been made between the uniaxial tension compression and tension torsion at 850℃ and show that the results of tests and calculations are in good agreement.