Use of a Compact-Type Strip Specimen for Fatigue Crack Growth Rate Testing in the High-Rate Regime

DF Mowbray

doi:10.1520/STP35857S

SYMPOSIA PAPER Published: 01 January 1979

STP35857S

Use of a Compact-Type Strip Specimen for Fatigue Crack Growth Rate Testing in the High-Rate Regime

Source

Fatigue crack growth in chromium-molybdenum-vanadium steel was studied in the high-rate regime of 2.5 × 10^-4 to 2.5 × 10^-1 mm/cycle with a compact-type strip specimen. The specimen was found to give rise to constant growth rates over large increments of crack length when cycled under simple load control. Use of the crack opening load ranges and an approximate J-integral analysis showed that the growth was occurring under essentially constant ΔJ.

Author Information

Mowbray, DF

Materials and Processes Laboratory, General Electric Company, Schenectady, New York

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Details

Developed by Committee: E08

Pages: 736–752

DOI: 10.1520/STP35857S

ISBN-EB: 978-0-8031-4739-3

ISBN-13: 978-0-8031-0330-6

Use of a Compact-Type Strip Specimen for Fatigue Crack Growth Rate Testing in the High-Rate Regime

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