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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 4,717 - 4,729 (13page)
- DOI
- 10.1007/s12540-020-00687-9
이용수
초록· 키워드
오류제보하기
Deformation behavior of a rolled Mg?Y?Nd?Gd magnesium alloy was studied at a temperature range of 240?480 °C underplane strain compression. Two types of samples including different loading-constraining configurations were employed tostudy anisotropy in deformation response. The result showed that plane strain deformation mode extends the temperaturerange for predominance of twinning up to 480 °C. However, yield anisotropy was diminished by increasing temperatureto 480 °C. Moreover, plane strain deformation mode caused the development of dynamic recrystallization to be postponedto high strains. Deformation behavior of the two sample types were explained by calculation of Schmid factor and textureanalysis. Fine dynamically recrystallized grains were traced to form at 420 and 480 °C. Relying on EBSD analysis, the developmentof new grains was explained using continuous dynamic recrystallization mechanism, where pyramidal and prismaticpoles of new grains were rotated relative to their parent grain. The dynamic evolution of metastable β′ and β″ phases was alsoobserved at high temperatures, the fraction of which was remarkably increased with increasing temperature to 420 and 480 °C.
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참고문헌 (43)
참고문헌 신청
B. Mordike / 2001 / Magnesium : properties—applications—potential / Mater. Sci. Eng. A 302:37~45
C. D. Barrett / 2018 / The effect of rare earth element segregation on grain boundary energy and mobility in magnesium and ensuing texture weakening / Scr. Mater 146:46~50
A. Imandoust / 2017 / A review on the effect of rare-earth elements on texture evolution during processing of magnesium alloys / J. Mater. Sci 52:1~29
A. Issa / 2015 / Formation of high-strength β′precipitates in Mg–RE alloys : the role of the Mg/β″interfacial instability / Acta Mater 83:75~83
P. Hidalgo-Manrique / 2017 / Precipitation strengthening and reversed yield stress asymmetry in Mg alloys containing rare-earth elements : a quantitative study / Acta Mater 124:456~467
C. D. Barrett / 2018 / The effect of rare earth element segregation on grain boundary energy and mobility in magnesium and ensuing texture weakening / Scr. Mater 146:46~50
A. Imandoust / 2017 / A review on the effect of rare-earth elements on texture evolution during processing of magnesium alloys / J. Mater. Sci 52:1~29
A. Issa / 2015 / Formation of high-strength β′precipitates in Mg–RE alloys : the role of the Mg/β″interfacial instability / Acta Mater 83:75~83
P. Hidalgo-Manrique / 2017 / Precipitation strengthening and reversed yield stress asymmetry in Mg alloys containing rare-earth elements : a quantitative study / Acta Mater 124:456~467
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