pISSN : 1598-706X / eISSN : 2288-8381
한국주조공학회지 (12권5호 397-402)
Effect of the Solution Treatment & Aging Treatment on the Microstructure & Mechanical Property of 17-4 PH Stainless Steel
용체화처리 및 시효처리가 17-4 석출경화형 스테인레스강 정밀주조품의 미세조직 및 기계적 성질에 미치는 영향
Sung-Kon Yu, Kyong-Whoan Lee*, Tae-Yeob Ra*
Kei Myung University, *Korea Academy of Industrial Technology
The effect of the solution & aging treatment on the tensile strength, yield strength, elongation, reduction of area, hardness was studied in the 17-4 PH stainless steel. SEM pictures were also taken in order to examine the fracture surfaces and precipitated particles. X-ray diffraction patterns for the heat treated samples were also observed. Mechanical properties of the heat treated samples were superior to those of as cast samples. Tensile strength, yield strength, hardeness decreased with the increase of aging temperature. On the other hand, elongation and reduction of area increased as the aging temperature increased.
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