The strength and toughness of dynamically strain aged alloy steel sheets

V. F. Zackay; W. W. Gerberich; R. Busch; E. R. Parker

doi:10.1007/BF00184561

The strength and toughness of dynamically strain aged alloy steel sheets

V. F. Zackay, W. W. Gerberich, R. Busch, E. R. Parker

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Abstract

The response of alloy steels to dynamic strain aging (straining (about 2%) at relatively low temperatures) in both the quenched and tempered and ausformed conditions was investigated. Strength, ductility, and toughness were measured as a function of straining and tempering temperatures. Structural observations were made on the strained and unstrained steels. By appropriate choice of strain and tempering temperatures, the strength of both the quenched and tempered and the ausform steels was increased by about 40,000 psi. In the ausform steels, yield strengths of 270, 000 psi were achieved by dynamic strain aging with a reliability ratio (K_c/o_ys) of one. Since the slope of K_c/o_ys vs. o_ys is small, it is suggested that this process may be used to attain yield strengths of 300,000 psi is steels with exceptional toughness.

Original language	English (US)
Pages (from-to)	638-644
Number of pages	7
Journal	International Journal of Fracture Mechanics
Volume	2
Issue number	4
DOIs	https://doi.org/10.1007/BF00184561
State	Published - Dec 1966
Externally published	Yes

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AU - Busch, R.

AU - Parker, E. R.

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The strength and toughness of dynamically strain aged alloy steel sheets

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