Anelastic deformation measurements in structural engineering alloys

Nonelastic strains in the form of room-temperature primary creep and anelasticity occur at 70 percent of the yield strength for 4340 steel, 15-5 PH, 304 stainless steel, Ti6Al4V, and NILO 365. The amount of creep (the irrecoverable strain) diminishes with loading cycle due to work hardening. The ane...

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Veröffentlicht in:	Journal of materials engineering and performance 2000-08, Vol.9 (4), p.463-466
1. Verfasser:	COTTON, J. D
Format:	Artikel
Sprache:	eng
Schlagworte:	Anelasticity Anelasticity, internal friction, stress relaxation, and mechanical resonances Applied sciences Austenitic stainless steels Condensed matter: structure, mechanical and thermal properties Creep (materials) Exact sciences and technology High strength steels Magnetostriction Materials engineering Mechanical and acoustical properties of condensed matter Metals. Metallurgy Nickel chromium molybdenum steels Physics Strain Structural steels Titanium base alloys Yield strength
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Beschreibung
Zusammenfassung:	Nonelastic strains in the form of room-temperature primary creep and anelasticity occur at 70 percent of the yield strength for 4340 steel, 15-5 PH, 304 stainless steel, Ti6Al4V, and NILO 365. The amount of creep (the irrecoverable strain) diminishes with loading cycle due to work hardening. The anelastic strains are relatively constant for each loading cycle, about 25 micro-epsilon for ferrous alloys and 4 micro-epsilon for Ti6Al4V. The anelastic beahvior for NILO 365 was anomalous, presumably due to magnetostriction effects. (CSA)
ISSN:	1059-9495 1544-1024
DOI:	10.1361/105994900770345872