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A study of the plastic behavior of high-purity aluminum single crystals at various temperatures

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Abstract

The plastic properties of extended aluminum (99.996) single crystals were investigated in the temperature range 77° to 353°K. Both the critical resolved shear stress and coefficient of shear hardening were found to increase with a decrease in temperature, and were consistent with the Schmid law of critical shear stress governing the initiation of the slip process. Measurements were also made on the density of slip bands, which was found to increase with decreasing temperature in a manner similar to the shear hardening coefficient. Some observations were made on the appearance of slip bands on etched and unetched electrolytically polished surfaces, and on the general complexity of the slip process.

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TP 2877E. Discussion (2 copies) may be sent to Transactions AIME by Dec. 15, 1950.

This paper is part of a dissertation presented by F. D. Rosi to the Faculty of the Graduate School of Yale University in partial fulfillment of the requirements for the degree of Doctor of Philosophy.

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Rosi, F.D., Mathewson, C.H. A study of the plastic behavior of high-purity aluminum single crystals at various temperatures. JOM 2, 1159–1167 (1950). https://doi.org/10.1007/BF03399117

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  • DOI: https://doi.org/10.1007/BF03399117

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