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Effect of Heat Treatment on the Microstructure and Mechanical Properties of W-7Ni-3Fe Tungsten Heavy Alloy Manufactured by Metal Injection Molding Process
Metal Injection Molding 공정으로 제조된 W-7Ni-3Fe 텅스텐 중합금의 미세조직 및 기계적 특성에 미치는 열처리의 영향
Seong-June Youn, Yeun-Ah Joo, Tae-Shik Yoon, Kee-Ahn Lee
윤성준, 주연아, 윤태식, 이기안
Korean J. Met. Mater. 2018;56(10):727-733.   Published online 2018 Oct 5
DOI: https://doi.org/10.3365/KJMM.2018.56.10.727

Abstract
This study investigated the microstructure and room temperature mechanical properties of W-7Ni-3Fe (wt%) tungsten heavy alloy (as-fabricated) which was manufactured by metal injection molding (MIM). To identify the effect of heat treatment on the W-7Ni-3Fe alloy, its properties were compared after heattreatment (1,100 oC for 1 hour) in vacuum atmosphere...... More

                        
Microstructure and Mechanical Properties of 17-4PH Steel and Fe-Cr-B Alloy Mixed Material Manufactured Using Powder Injection Molding
Powder Injection Molding 공정으로 제조된 17-4PH 강과 Fe-Cr-B 합금 복합 소재의 미세조직 및 기계적 특성
Yeun-Ah Joo, Young-Kyun Kim, Tae-Sik Yoon, Kee-Ahn Lee
주연아, 김영균, 윤태식, 이기안
Korean J. Met. Mater. 2018;56(5):342-349.   Published online 2018 May 8
DOI: https://doi.org/10.3365/KJMM.2018.56.5.342

Abstract
This study investigated the microstructure and mechanical properties of 17-4PH precipitation hardened martensite stainless steel and Fe-Cr-B based alloy mixed material manufactured using powder injection molding. 17-4PH stainless steel powder was mixed with 5 wt%, 10 wt% and 20 wt% Fe-Cr-B based alloy (M alloy) powder to manufacture three different..... More

         Cited By 1
Effect of Heat-Treatment on the Elevated Temperature Compression and Compressive Creep Properties of Fe-14Cr Ferritic Oxide Dispersion Strengthened (ODS) Steel
Fe-14Cr계 페라이틱 산화물 분산 강화강의 고온 압축 및 크리프 특성에 미치는 열처리의 영향
Young-Kyun Kim, Yeun-Ah Joo, Jong-Kwan Park, Hwi-Jun Kim, Man-Sik Kong, Kee-Ahn Lee
김영균, 주연아, 박종관, 김휘준, 공만식, 이기안
Korean J. Met. Mater. 2017;55(12):862-869.   Published online 2017 Dec 4
DOI: https://doi.org/10.3365/KJMM.2017.55.12.862

Abstract
This study investigated the microstructure and the ambient-elevated temperature compression and elevated temperature creep properties of Fe-14Cr ferritic ODS steel manufactured by mechanical alloying (high energy ball milling) and hot extrusion processes. Initial microstructural observation of the as-extruded material identified elongated grains in the direction of extrusion; however, some recrystallization..... More

      
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