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- Title
A study on the mechanical properties of forged high chrome steel heat resistant materials.
- Authors
Jeong, Il Heon; Park, Yeong Min; Yoo, Jae Uk; Kim, Tae Gyu
- Abstract
High chrome steel (12 Cr-steel) is the material found in engine blade which required high durability and long service life at high temperatures. Therefore, it is important to produce durable and high strength 12 Cr-steel. In this study, effect of different tempering temperature on microstructure of 12 Cr-steel specimens were investigated. First, the specimens were heat treated to 1070 ∘ C and quenched in an acidic solution. Then they were tempered at different temperature at 470 ∘ C and 690 ∘ C. Analyses on mechanical properties such as hardness, yield strength, tensile stress were performed. It is found that specimen at lower temperature (470 ∘ C) has improved mechanical properties.
- Subjects
HEAT resistant steel; HEAT resistant materials; CHROME steel; HEAT treatment; SERVICE life; HEAT resistant alloys
- Publication
Modern Physics Letters B, 2020, Vol 34, Issue 7-9, pN.PAG
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984920400369