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Investigation of Phase Transformation and Mechanical Properties of A356 Alloy with Cu and Zr Addition during Heat Treatment
Cu 및 Zr 첨가 A356 합금의 열처리 조건에 따른 상 변화와 기계적 특성 분석
Tae-Ung Song, Ja-Uk Koo, Seung-Byeong Jeon, Chang-Yeol Jeong
송태웅, 구자욱, 전승병, 정창열
Korean J. Met. Mater. 2023;61(5):311-323.   Published online 2023 Apr 20
DOI: https://doi.org/10.3365/KJMM.2023.61.5.311

Cast A356(Al-Si-Mg) alloys are widely used in automotive and general applications because of their mechanical properties and castability. Al-Si-Mg-(Cu) alloys typically lose their strength above 170 o C due to coarsening of precipitates, which limits their application to components. To maintain their strength at elevated temperature, Al-Si-Mg-(Cu) alloys are modified..... More

                           Cited By 1
Effect of Post Heat-Treatment on the Microstructure, Tensile and Fatigue Properties of Al 3003 Alloy Manufactured by Strip Casting Process
Strip Casting 공정으로 제조된 Al 3003 합금의 미세조직, 인장 및 피로 특성에 미치는 후열처리 영향
Min-Seok Baek, Kwangjun Euh, Chang-Yeol Jeong, Kee-Ahn Lee
백민석, 어광준, 정창열, 이기안
Korean J. Met. Mater. 2020;58(3):151-161.   Published online 2020 Mar 5
DOI: https://doi.org/10.3365/KJMM.2020.58.3.151

Al 3003 alloy was manufactured by strip casting process, and the effect of post heat-treatment on tensile and fatigue properties was investigated. The strip cast Al 300 alloy exhibited a unique globular shaped rapid-cooled solidification structure, and the microstructural characteristic remained after heat-treatment. Asstrip cast (F) and heat-treated (O) alloys..... More

                           Cited By 4
Effect of Pre-Straining on the High-Cycle Fatigue Properties of Hot-Rolled Steel Sheets for Automotive Structural Uses
자동차 구조용 열연강판의 고주기 피로 특성에 미치는 전변형 효과
Dong-Woog Ha, Chang-Yeol Jeong
하동욱, 정창열
Korean J. Met. Mater. 2018;56(3):177-186.   Published online 2018 Mar 6
DOI: https://doi.org/10.3365/KJMM.2018.56.3.177

The drive towards weight reduction in the automotive industry has led to the use of high strength steel sheets for structural applications. Pressing and stamping are important processes in automotive production and result in additional straining on the vehicle body and chassis sheet material. It is therefore important to have..... More

Mechanical Behavior
Effect of Alloying Elements on the Low-Cycle Fatigue Properties of Al-Si-Mg-(Cu) Alloys for the Cylinder Head of a Passenger Diesel Engine
승용디젤엔진 실린더 헤드용 Al-Si-Mg-(Cu) 합금의 저주기 피로 특성에 미치는 첨가원소 효과
Bo-Ra Jin, Chang-Yeol Jeong
진보라, 정창열
Korean J. Met. Mater. 2016;54(9):626-636.   Published online 2016 Sep 5
DOI: https://doi.org/10.3365/KJMM.2016.54.9.626

To improve automobile fuel efficiency and reduce emissions, there has been a growing demand for more durable alloys for engine components with improved high temperature fatigue resistance. This study examined the effect of alloying elements on the high temperature mechanical behavior of Al-Si-Mg-(Cu) casting alloys for diesel cylinder heads. Depending..... More

         Cited By 5
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