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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 55 - 61 (7page)
이용수
초록· 키워드
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Recently developed ferritic heat resistance steel, T24 was used to evaluate microstructure characteristics of simulated heat affected zone. Also, correlation between the prior austenite grain size and amount of M23C6 carbide dissolution was discussed. With the increasing of peak temperature, Grain size steadily increased up to 1050℃ and then rapidly increased at 1150℃. Of the peak temperature 950~1050℃, amounts of M23C6 carbide dissolution are low. But Most of M23C6 carbide that is inhibited grain growth were dissolved above 1050℃ and decreased volume fraction of carbide. This indicates that grain growth may be achieved through dissolution of carbide in the base material. As of welding, due to very rapid heating rate, M23C6 carbide exists above equilibrium solution temperature that is 800℃, even at 1050℃.
So, It was confirmed that close correlation between carbide dissolution in the base material and grain growth. Calculated grain size has a linear relationship with peak temperature, on the other hand, measured grain size discontinuously increased between 950~1050℃ and above 1050℃.
Grain size of heat affected zone at 1350℃ peak temperature showed maximum 67um and minimum 4um. Also, The number of side showed 3 to 10.
So, It was confirmed that close correlation between carbide dissolution in the base material and grain growth. Calculated grain size has a linear relationship with peak temperature, on the other hand, measured grain size discontinuously increased between 950~1050℃ and above 1050℃.
Grain size of heat affected zone at 1350℃ peak temperature showed maximum 67um and minimum 4um. Also, The number of side showed 3 to 10.
목차
Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (20)
참고문헌 신청
[학술지(정기간행물)] - Klueh, R. L. / 1986 / The microstructure and mechanical properties of a modified 2.25 Cr-lMo steel / Metallurgical Transactions A 17 (6) : 1027 ~ 1034
[기타자료] - J. Amdt, K / 2000 / The T23/24 Book : 6 ~
[학술지(정기간행물)] - Dhooge Alfred / 2005 / New generation 21/4Cr steels T/P 23and T/P 24 weldability and high temperature properties / Welding in the World 49 (9,10) : 75 ~ 93
[학술대회논문] - Adamiec, J / 2011 / ot cracking of welded joints of the 7CrMoVTiB 10-10 (T/P24) steel / IOP Conference Series, Materials Science and Engineering 22 (1)
[기타자료] - M. Jarrar / 2013 / T/P24 (7CRMOVTIB10-10) a Bainitic-Martensitic Steel Gradefor Super Heater and Water Wall Applications in Modern Ultra Super Critical Power Plants ASM International : 549 ~ 564
[기타자료] - J. Amdt, K / 2000 / The T23/24 Book : 6 ~
[학술지(정기간행물)] - Dhooge Alfred / 2005 / New generation 21/4Cr steels T/P 23and T/P 24 weldability and high temperature properties / Welding in the World 49 (9,10) : 75 ~ 93
[학술대회논문] - Adamiec, J / 2011 / ot cracking of welded joints of the 7CrMoVTiB 10-10 (T/P24) steel / IOP Conference Series, Materials Science and Engineering 22 (1)
[기타자료] - M. Jarrar / 2013 / T/P24 (7CRMOVTIB10-10) a Bainitic-Martensitic Steel Gradefor Super Heater and Water Wall Applications in Modern Ultra Super Critical Power Plants ASM International : 549 ~ 564
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UCI(KEPA) : I410-ECN-0101-2017-581-001941369