Nondestructive Evaluation of Fatigue in Titanium Alloys

Author:

Rösner H.,Meyendorf N.,Sathish S.,Matikas T.E.

Abstract

ABSTRACTDissipated heat has been measured by thermographic technique during fatigue experiments on Ti-6AI-4V. Surface temperature of the specimen was found sensitive to the amount of fatigue damage accumulated in the material. An increased heat dissipation due to fatigue can be related to continuous change in the microstructure (increased dislocation density, stacking faults etc.) of the material. A method based on passive thermography can be proposed to monitor damage accumulation in Ti-6Al-4V due to cyclic loading.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

Reference10 articles.

1. [6] Rösner H. , Meyendorf N. , Karpen W. , Matikas T.E. , “Nondestructive Evaluation of Fatigue on Titanium Alloys with Thermography” DARPA NDE-MURI, Third Annual Report, Sept. (1999) pp. 177–188.

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