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Effect of Nickel Silicide Content on the Friction Properties of Wet Sintered Friction Material
습식 소결 마찰재의 마찰특성에 대한 니켈 실리사이드 함량의 영향
Tae-Hyung Park, Sang-Wook Kim, Jong-Kyun Kim, Soong-Keun Hyun
박태형, 김상욱, 김종균, 현승균
Korean J. Met. Mater. 2022;60(2):95-101.   Published online 2022 Jan 12
DOI: https://doi.org/10.3365/KJMM.2022.60.2.95

Abstract
The effect of nickel silicide on the friction properties of Cu-based wet sintered friction materials was investigated. The microstructure and mechanical properties of nickel silicide added Cu-based wet sintered friction materials were examined. Nickel silicide was prepared by mechanically alloying Ni and Si powder. Three types of Cu-based wet sintered..... More

                        
Causes and Measures of Fume in Directed Energy Deposition: A Review
Directed Energy Deposition에서 흄의 생성 원인 및 대책
Kang-Hyung Kim, Chan-Hyun Jung, Dae-Yong Jeong, Soong-Keun Hyun
김강형, 정찬현, 정대용, 현승균
Korean J. Met. Mater. 2020;58(6):383-396.   Published online 2020 May 14
DOI: https://doi.org/10.3365/KJMM.2020.58.6.383

Abstract
Pores and cracks are known as the main defects in metal additive manufacturing (MAM), including directed energy deposition(DED). A gaseous fume is often produced by laser flash (instantaneous high temperature) during laser processing, which may cause various defects such as porosity, lack of fusion, inhomogeneity, low flowability and composition change,..... More

                           Cited By 2
Physical Properties of AR-Glass Fibers in Continuous Fiber Spinning Conditions
연속섬유 방사 조건에 따른 AR-glass 섬유의 물리적 특성
Ji-Sun Lee, MiJai Lee, Tae-Young Lim, Youngjin Lee, Dae-Woo Jeon, Soong-Keun Hyun, Jin-Ho Kim
이지선, 이미재, 임태영, 이영진, 전대우, 현승균, 김진호
Korean J. Met. Mater. 2017;55(4):290-295.   Published online 2017 Apr 6
DOI: https://doi.org/10.3365/KJMM.2017.55.4.290

Abstract
In this study, a glass fiber is fabricated using a continuous spinning process from alkali resistant (AR) glass with 4 wt% zirconia. In order to confirm the melting properties of the marble glass, the raw material is placed into a Pt crucible and melted at 1650 ℃ for 2 h,..... More

         Cited By 2
High Temperature Deformation and Continuous Dynamic Recrystallization Behaviors of AA6082 using Processing Maps
공정지도를 이용한 AA6082 합금의 연속 동적 재결정 및 고온 변형 거동
Sang-Min Lee, Ji-Woon Lee, Hyun-Jin Choi, Soong-Keun Hyun
이상민, 이지운, 최현진, 현승균
Korean J. Met. Mater. 2016;54(11):793-801.   Published online 2016 Nov 5
DOI: https://doi.org/10.3365/KJMM.2016.54.11.793

Abstract
Torsion tests were performed on AA6082 samples to investigate their flow softening behavior and to determine optimum process conditions. Based on the experimental data and dynamic materials model, high strain processing maps were established which demonstrate the constitutive relationships among temperature, strain rate, strain and stress. The flow curves exhibited..... More

         Cited By 6
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