Evaluation of Steel Hardenability by JM®-Test

Abstract:

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The modified Jominy-test was designed for prediction of hardenability of high-hardenability tool steels and possibility of application of modified Jominy-test in computer simulation of quenching of high-hardenability tool steels has been investigated. Because of high hardenability there are limits in application of original Jominy-specimen in simulation of quenching of steels. The performance of investigated modified Jominy-test in simulation of quenching of high-hardenability tool steels was estimated by comparison of cooling curves of modified Jominy-specimen (JM®-specimen) and cylindrical specimen. The influence of dimension of JM®-specimen on cooling curves has been investigated. The time of cooling, t8/5 relevant for results of quenching was predicted. Modified Jominy-test can be applied in simulation of quenching of steel with higher hardenability rather than original Jominy-test.

Info:

Periodical:

Materials Science Forum (Volumes 537-538)

Edited by:

J. Gyulai and P.J. Szabó

Pages:

607-614

DOI:

10.4028/www.scientific.net/MSF.537-538.607

Citation:

B. Smoljan et al., "Evaluation of Steel Hardenability by JM®-Test", Materials Science Forum, Vols. 537-538, pp. 607-614, 2007

Online since:

February 2007

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$35.00

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