04.1 - Aerospace Grade Materials, Structural Analysis, Fatigue and Damage Tolerance
STUDY ON FATIGUE PROPERTIES OF TITANIUM ALLOY BASE MATERIAL AND WELDED STRUCTURE IN THERMAL COMBINED ENVIRONMENT
H. Peng¹, B. Wang¹, Y. Zhang¹, L. Ji¹, S. Li¹; ¹AVIC the First Aircraft Institute, China
In this paper, the fatigue tests of TC4 titanium alloy base material and welded structure at 20?,200 ? and 400 ? were carried out, the fatigue life was predicted based on Walker life model, and the high temperature fatigue performance and fatigue failure behavior were revealed.