The effect of crack closure on the grain size dependence of fatigue crack growth threshold

A steel of the composition Fe--0.32C--1.2Si--1.0Mn--0.98Cr--0.2Ti--0.015S--0.02P was austenitized at temperatures from 900-1250 deg C, oil quenched and tempered at 200 deg C and then fatigue crack growth tested at ambient temperature. The fatigue threshold parameter, Delta K sub th increases with in...

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Veröffentlicht in:	Scripta metallurgica 1987-07, Vol.21 (7), p.919-924
Hauptverfasser:	Ravichandran, K.S., Panchapagesan, T.S., Kishore, Dwarakadasa, E.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Fractures Materials science Mechanical and acoustical properties of condensed matter Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals, semimetals and alloys Metals. Metallurgy Physics Specific materials
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