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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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초음파 분무 열분해와 가압소결로 제조한 이트리아 분산입자 강화 텅스텐의 특성
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이의선, 허연지, 김지영, 이영인, 석명진, 오승탁
Korean J. Met. Mater.
2023;61(3):170-174. Published online 2023 Feb 24
DOI:
https://doi.org/10.3365/KJMM.2023.61.3.170
Abstract
The effects of fabrication method on the microstructure and sinterability of W-1 wt% Y
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were analyzed. W composite powders dispersed with Y
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particles were synthesized by the ultrasonic spray pyrolysis process or the ultrasonic spray pyrolysis/polymer solution process. A dense composite was fabricated by a combination of spark plasma sintering.....
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진공 원심 주조된 Ti-6Al-4V 합금의 주조 및 열처리에 따른 미세조직과 기계적 특성
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이현우, 공병욱, 김승언, 주윤곤, 윤석현, 이재현
Korean J. Met. Mater.
2022;60(4):282-290. Published online 2022 Mar 28
DOI:
https://doi.org/10.3365/KJMM.2022.60.4.282
Abstract
The Ti-6Al-4V alloy has been widely used for structural materials due to high specific strength property, however it is difficult to cast because of high reactivity at high temperature. In this study casting characteristics and post-casting heat treatment were studied in the cast Ti alloy. The cast alloy was prepared.....
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Web of Science 3
Crossref 5
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열처리 및 HIP 공정을 이용한 가스터빈 고온부품 재생시 미세조직 및 기계적 특성 변화
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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.....
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Web of Science 1
Crossref 1
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Metal Injection Molding 공정으로 제조된 Fe-Cr-Ni계 HK30 합금의 미세조직 및 상·고온 인장 특성에 미치는 열간 등압 성형의 영향
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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.....
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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.....
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Crossref 5
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