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Effect of Deep Cryogenic Treatment (DCT) on AISI H13 Tool Steel

机译：深冷冻处理（DCT）对AISI H13工具钢的影响

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In the recent years, there has been a remarkable increase in the use of deep cryogenic treatment (DCT) for enhancing performance of tool steels. It is a supplementary treatment where components are treated below subzero temperatures for several cryo-soaking hours. This paper focuses on to study the effect of deep cryogenic treatment and cryo-soaking time on microstructural and mechanical properties of AISI H-13 tool steel. Deep cryogenic treatment at different cryo-soaking time (16-48 hours) were applied and tool steel performance was analyzed by using mechanical, fatigue and wear testings. The microstructural evolutions during DCT were evaluated by using scanning electron microscope (SEM). It was observed that microstructural modifications like increase in carbide density, fine and uniform martensitic structure during DCT had significantly improved properties which were influenced by cryo-soaking time.
机译：近年来，利用深浊治疗（DCT）的使用是一种显着增加，以提高工具钢的性能。它是一种补充处理，其中部件在低于亚单温度下处理几个冷冻浸泡时间。本文侧重于研究深层低温处理和冷冻浸泡时间对AISI H-13刀具钢的微观结构和力学性能的影响。应用不同冷冻浸泡时间（16-48小时）的深层低温治疗，采用机械，疲劳和磨损试验分析刀具钢的性能。通过使用扫描电子显微镜（SEM）评估DCT期间的微观结构演进。观察到DCT期间碳化物密度，细小和均匀的马氏体结构增加的微观结构修饰具有显着改善的性质，其受到浸润时间的影响。

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