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Evolution of Microstructure and Mechanical Characteristics in Rejuvenation of a Hot Gas Pass Component of a Gas Turbine by Heat Treatment and HIP
열처리 및 HIP 공정을 이용한 가스터빈 고온부품 재생시 미세조직 및 기계적 특성 변화
Sung Yong Chang, Ki-Yong Oh
장성용, 오기용
Korean J. Met. Mater. 2019;57(7):468-474.   Published online 2019 Jun 5
DOI: https://doi.org/10.3365/KJMM.2019.57.7.468

Abstract
The evolution of microstructure and mechanical characteristics during the rejuvenation of a hot gas pass component of a gas turbine was investigated with an actual service-exposed bucket in a power plant. Heat treatment and hot isostatic pressing processes were conducted to rejuvenate a hot gas pass component of a F..... More

                        
Effect of Hot Isostatic Pressing on the Microstructure and RoomHigh Temperature Tensile Properties of Fe-Cr-Ni based HK30 Alloy Manufactured by Metal Injection Molding Process
Metal Injection Molding 공정으로 제조된 Fe-Cr-Ni계 HK30 합금의 미세조직 및 상·고온 인장 특성에 미치는 열간 등압 성형의 영향
Young-Kyun Kim, Tae-Sik Yoon, Kee-Ahn Lee
김영균, 윤태식, 이기안
Korean J. Met. Mater. 2018;56(2):121-129.   Published online 2018 Feb 5
DOI: https://doi.org/10.3365/KJMM.2018.56.2.121

Abstract
This study manufactured Fe-Cr-Ni-based alloy (HK30) using the metal injection molding (MIM) process and investigated the microstructure and room·high temperature mechanical properties of the material. The effect of hot isostatic pressing (HIP) on properties was also examined. The average grain sizes were 24.1 µm for an MIM specimen and 29.1..... More

      
Experimental and Simulation Analysis of Hot Isostatic Pressing of Gas Atomized Stainless Steel 316L Powder Compacts
Dongguo Lin, Sangyul Ha, Youngho Shin, Dong Yong Park, Seong Jin Park, Sung Taek Chung, Ravi Bollina, Seongkyu See
Korean J. Met. Mater. 2016;54(10):732-742.   Published online 2016 Oct 5
DOI: https://doi.org/10.3365/KJMM.2016.54.10.732

Abstract
In this work, both experimental and numerical studies were conducted to investigate the densification behavior of stainless steel 316L (STS 316L) powders during hot isostatic pressing (HIP), and to characterize the mechanical properties of HIPed specimens. The HIP experiments were conducted with gas atomized STS 316L powders with spherical particle..... More

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