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이 논문의 연구 히스토리 (3)
2013
2012
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The objective of this paper is to determine the effect of process parameters on the behavior of a 18Cr-10Mn-0.44N₂ nitrogen steel sample deformed by hot rolling. Compression tests were carried out at high temperatures to determine the flow stresses needed for a finite element(FE) analysis. The strain rate, ranging from 0.1 to 1.0s<SUP>-1</SUP>, significantly affected the flow stress at temperatures higher than 1,000℃. Non-isothermal rolling simulations and laboratory rolling tests were performed with plate specimens 14.5mm thick, 135mm wide and 226mm long. A rolling reduction of 15% per pass leading to a cumulative rolling reduction of 60% was determined as optimal. The extension ratio of 176.5% in the length direction was about 30.4 times greater than the extension ratio of 5.8% in the width direction. Isotropic properties for tensile strength, microstructure and grain size were measured after mock-up hot rolling tests. The results from the mockup tests were found to be in good agreement with those of the simulations.
목차
Abstract
1. 서론
2. 소재특성분석 실험
3. 열연공정 시뮬레이션
4. 열간압연 실험
5. 결론
참고문헌
참고문헌 (16)
참고문헌 신청
1. [단행본] - D. Peckner / 1987 / Handbook of stainless steel / McGraw Hill Inc
2. [학술지(정기간행물)] - M. O. Speidel / 1989 / Properties and applications of high nitrogen steels / J. Foct. and A. Hendry, HNS 88, Lile : 92 ~ 97
3. [학술지(정기간행물)] - T. H. Lee / 1997 / The properties and development presents situation of nitrogen addition steel / Machine and Materials 9 (4) : 72 ~ 83
4. [학술지(정기간행물)] - M. Kikuchi / 1989 / nitrogen steels, Proc. of 1st Int. Conf. high nitrogen steels, J. Foct. & A. Hendry, HNS 88, Lile : 63 ~ 67
5. [학술지(정기간행물)] - M. L. G. Byrnes / 1987 / Acta Metallurgy 35 : 1853 ~ 1858
2. [학술지(정기간행물)] - M. O. Speidel / 1989 / Properties and applications of high nitrogen steels / J. Foct. and A. Hendry, HNS 88, Lile : 92 ~ 97
3. [학술지(정기간행물)] - T. H. Lee / 1997 / The properties and development presents situation of nitrogen addition steel / Machine and Materials 9 (4) : 72 ~ 83
4. [학술지(정기간행물)] - M. Kikuchi / 1989 / nitrogen steels, Proc. of 1st Int. Conf. high nitrogen steels, J. Foct. & A. Hendry, HNS 88, Lile : 63 ~ 67
5. [학술지(정기간행물)] - M. L. G. Byrnes / 1987 / Acta Metallurgy 35 : 1853 ~ 1858
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UCI(KEPA) : I410-ECN-0101-2014-551-000252294