Nondestructive evaluation of fatigue in titanium alloys

Conference · Sat Jul 01 00:00:00 EDT 2000

OSTI ID:20082408

Roesner, H; Meyendorf, N; Sathish, S; Matikas, T E

Dissipated heat has been measured by thermographic technique during fatigue experiments on Ti-6Al-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.

• Research Organization: Univ. 37, Fraunhofer Inst. Nondestructive Testing, Saarbruecken (DE)
• Sponsoring Organization: Defense Advanced Research Project Agency; US Department of the Air Force
• OSTI ID: 20082408
• Resource Relation: Conference: 1999 Materials Research Society Fall Meeting, Boston, MA (US), 11/29/1999--11/30/1999; Other Information: PBD: 2000; Related Information: In: Nondestructive methods for materials characterization. Materials Research Society symposium proceedings, Volume 591, by Baaklini, G.Y.; Meyendorf, N.; Matikas, T.E.; Gilmore, R.S. [eds.], 338 pages.
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
42 ENGINEERING
FATIGUE
TITANIUM BASE ALLOYS
ALUMINIUM ALLOYS
VANADIUM ALLOYS
NONDESTRUCTIVE TESTING
THERMOGRAPHY
EXPERIMENTAL DATA