Mode III fatigue crack propagation in low alloy steel

Journal Article · Fri Jan 01 00:00:00 EST 1982 · Metall. Trans., A; (United States)

DOI:https://doi.org/10.1007/BF02642420· OSTI ID:5266334

Ritchie, R O; McClintock, F A; Nayeb-Hashemi, H; Ritter, M A

To provide a basis for estimating fatigue life in large rotating generator shafts subjected to transient oscillations, a study is made of fatigue crack propagation in Mode III (anti-plane shear) in torsionally-loaded spheroidized AISI 4340 steel. Results are compared to analogous behavior in Mode I. The approach investigated the feasibility of using continuum fracture mechanics and preliminary mechanistic modeling to serve as a basis for defect-tolerant life estimation procedures. 38 refs.

• Research Organization: MIT, Cambridge, Mass, USA
• OSTI ID: 5266334
• Journal Information: Metall. Trans., A; (United States), Vol. 13:1
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
STEELS
CRACK PROPAGATION
FATIGUE
ELECTRIC GENERATORS
MICROSTRUCTURE
SHAFTS
ALLOYS
CRYSTAL STRUCTURE
IRON ALLOYS
IRON BASE ALLOYS
MACHINE PARTS
MECHANICAL PROPERTIES
360103* - Metals & Alloys- Mechanical Properties
360102 - Metals & Alloys- Structure & Phase Studies