Thermodynamics-Based Alloy Design and Application for Toughening in High Strength High Toughness Cold Work Die Steel

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The ledeburite carbides segregated seriously in solidification of Cr12 tool steels and the morphology is distributed in banding with fishbone shapes resulting in low toughness. Thus the tools are usually failure with tipping, fracture and collapse in services. A new high strength and high toughness tool steel was developed to adapt for the requirement of high strength materials forming. The thermodynamic theory and equilibrium principle of carbon as well as computer aided optimizing design are used in.

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362-365

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February 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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