Influence of Deep Cryogenic Treatment (DCT) on Thermo Mechanical Performance of AISI H13 Tool Steel

• 作者: Mohan Mehta Prakash Kattire Rajkumar Singh Shreyans Khot Valmik Bhawar
• 来源期刊: 材料科学与化学工程(英文)
• 学科: 工学
• 关键词: CRYOGENIC Treatment Wear Resistance TOOL STEEL H-13 TOOL STEEL
• 年，卷（期）: clkxyhxgcyw_2017,（1）
• 页码范围: 91-101
• 页数: 11页
• 分类号: TG14

摘要

Deep cryogenic treatment (DCT) is one of the most recent processes being used to treat 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 on Thermo mechanical properties of AISI H-13 tool steel. Deep cryogenic treatment at 32 hours of cryo-soaking time is applied and thermo mechanical performance of tool steel was analyzed by using pin on disk high temperature wear testing and stress rupture 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.