Fatigue crack growth characteristics and fracture toughness of {gamma}-TiAl base alloy sheet material

Book · Sat Jul 01 00:00:00 EDT 1995

OSTI ID:72475

Behr, R; Wanner, A ^[1]; Clemens, H; Glatz, W ^[2]

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1. Max-Planck-Inst. fuer Metallforschung, Stuttgart (Germany)
2. Plansee AG, Reutte (Austria)

Room temperature tension-tension fatigue crack growth experiments were performed on single edge notch specimens of Ti-48Al-2Cr sheet materials produced on industrial scale with different microstructures ranging from near gamma to fully lamellar. Crack extension was monitored using a travelling optical microscope and a DC potential method. Crack paths and fracture surfaces were investigated by SEM. Fracture toughness data were determined by monotonic loading of previously fatigued samples.

• OSTI ID: 72475
• Report Number(s): CONF-941144-; ISBN 1-55899-265-0; TRN: IM9530%%87
• Resource Relation: Conference: Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 28 Nov - 9 Dec 1994; Other Information: PBD: 1995; Related Information: Is Part Of High-temperature ordered intermetallic alloys VI: Part 2. Materials Research Society symposium proceedings Volume 364; Horton, J. [ed.] [Oak Ridge National Lab., Oak Ridge, TN (United States)]; Baker, I. [ed.] [Dartmouth College, Hanover, NH (United States)]; Hanada, Shuji [ed.] [Tohoku Univ., Sendai (Japan)]; Noebe, R.D. [ed.] [NASA Lewis Research Center, Cleveland, OH (United States)]; Schwartz, D.S. [ed.] [McDonnell Douglas Aerospace, St. Louis, MO (United States)]; PB: 760 p.
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
TITANIUM ALLOYS
MECHANICAL PROPERTIES
ALUMINIUM ALLOYS
CHROMIUM ALLOYS
AMBIENT TEMPERATURE
CRACK PROPAGATION
FRACTURE PROPERTIES
EXPERIMENTAL DATA
INTERMETALLIC COMPOUNDS
SCANNING ELECTRON MICROSCOPY
MICROSTRUCTURE