Effects of RE on Inclusions and Mechanical Properties of H13 Die Steel

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Abstract:

The effects of RE on the inclusions and the mechanical properties of H13 die steel were studied. The results show that the morphologies and sizes of inclusions in H13 steel are changed, and RE played a very good role of modifying inclusions. Fracture is changed from cleavage to ductile fracture by adding RE to H13 steel. And the mechanical properties of H13 steel are improved. In comparison with H13 steel without RE, the transverse impact toughness of H13 steel with RE is increased 33.61% at 0°C, and the tensile strength and reduction of area have been improved 10.74%, 6.3%, respectively.

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Periodical:

Advanced Materials Research (Volumes 718-720)

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33-36

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Online since:

July 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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