Gas quenching system and method for minimizing distortion of heat treated parts

Gas quenching system and method for minimizing distortion of heat treated parts

Described herein is a method for quenching a hot metal part. The method may comprise selecting a first node located at about a slowest cooling point of the metal part and a second node located at about a fastest cooling portion of the metal part. The method may also comprise quenching the metal part...

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Hauptverfasser: Ferguson, Blake Lynn, Sims, Justin, Li, Zhichao
Format: Patent
Sprache:eng
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CHEMISTRY
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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creator Ferguson, Blake Lynn
Sims, Justin
Li, Zhichao
description Described herein is a method for quenching a hot metal part. The method may comprise selecting a first node located at about a slowest cooling point of the metal part and a second node located at about a fastest cooling portion of the metal part. The method may also comprise quenching the metal part to a finish temperature with the requirement that there is a temperature difference of between about 5° C. and about 30° C. during a quench cycle. The quench cycle may start from a first time when the second node is about 5° C. above a martensite start temperature of the specific metal or metal alloy of the metal part, and end at a second time when the first node is at a temperature which is about or below a martensite finish temperature of the specific metal or metal alloy.
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subjects CHEMISTRY
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
title Gas quenching system and method for minimizing distortion of heat treated parts
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