Estimation of the Thickness and the Material Combination of the Thermal Stress Control Layer (TSCL) for the Stellite21 Hardfaced STD61 Hot Working Tool Steel Using Three-Dimensional Finite Element Analysis

3 차원 유한요소해석을 이용한 Stellite21 초합금으로 하드페이싱된 STD 61 열간금형강의 열응력제어층 재료조합 및 두께 예측

  • Park, Na-Ra (Dept. of Mechanical Engineering, Chosun Univ.) ;
  • Ahn, Dong-Gyu (Dept. of Mechanical Engineering, Chosun Univ.) ;
  • Oh, Jin-Woo (Dept. of Mechanical Engineering, Chosun Univ.)
  • Received : 2014.04.01
  • Accepted : 2014.05.07
  • Published : 2014.08.01


The research on a thermal stress control layer (TSCL) begins to undertake to reduce residual stress and strain in the vicinity of the joined region between the hardfacing layer and the base part. The goal of this paper is to estimate the material combination and the thickness of TSCL for the Stellite21 hardfaced STD61 hot working tool steel via three-dimensional finite element analysis (FEA). TSCL is created by the combination of Stellite21 and STD61. The thickness of TSCL ranges from 0.5 mm to 1.5 mm. The influence of the material combination and the thickness of TSCL on temperature, thermal stress and thermal strain distributions of the hardfaced part have been investigated. The results of the investigation have been revealed that a proper material combination of TSCL is Stellite21 of 50 % and STD61 of 50 %, and its appropriate thickness is 1.0 mm.


Thermal Stress Control Layer;Material Combination;Thickness;Thermal Stress-Strain Distributions;Hardfacing


Supported by : 한국연구재단


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