Effect of Tempering Temperature on the Compressive Deformation Behaviour of 40Cr after Quenching and Tempering

Abstract:

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40Cr steel is categorized as quenched-tempered steels and is widely used in gears, bolts, couplings, spindles, etc. To study the plastic deformation behaviour of the steel after quenching and tempering, compression and double-pass compression tests have been carried out. The quenched samples are tempered at the temperature of 540oC, 580oC, 600oC and 630oC, and the microstructures, compression load, hardness after compression and load of double-pass compression are investigated. The compression peak load is higher when the tempering temperature is lower. The hardness average and its increase amplitude decrease with the tempering temperature. An interesting phenomenon of the double-pass compression load can be well explained by the microstructures.

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Periodical:

Edited by:

Zhixiang Hou

Pages:

483-486

DOI:

10.4028/www.scientific.net/AMM.48-49.483

Citation:

C. L. Hu et al., "Effect of Tempering Temperature on the Compressive Deformation Behaviour of 40Cr after Quenching and Tempering", Applied Mechanics and Materials, Vols. 48-49, pp. 483-486, 2011

Online since:

February 2011

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$35.00

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