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다국어 초록 (Multilingual Abstract)

The physical basis for predicting the long-term creep strengths and lifetimes at application temperatures usingcreep parameters determined from short-term creep tests is investigated for complex creep resistant engineeringalloys. It is shown that the seemingly unpredictable stress and temperature dependence of minimum creep rate ofsuch alloys can be rationalised using an approach based on the new power law creep equation that incorporate thetensile strength. This is demonstrated using the tensile and creep data measured for two completely different typesof alloys: steel 11Cr-2W-0.4Mo-1Cu-Nb-V and Ni base superalloy 15Cr-28Co-4Mo-2.5Ti-3Al. For both alloys,the stress exponent n determined does not depend on temperature and activation energy of creep does not dependon stress. Consequently, it becomes possible to use the new power law creep equation in combination with theMonkman-Grant relationship to predict the long term creep rupture strengths and lifetimes and microstructure stabilityof the two alloys from short term creep test data. The implications of the results for creep mechanism identificationand future microstructure analysis are discussed.

참고문헌 (Reference)

1 Q. Wang, 47 : 3479-, 2016

2 M. Yang, 107 : 133-, 2016

3 J. S. Lee, 428 : 270-, 2006

4 F. C. Monkman, 56 : 593-, 1956

5 M. F. Ashby, 20 : 887-, 1972

6 F. R. N. Nabarro, 54 : 263-, 2006

7 P. J. Ennis, 45 : 4901-, 1997

8 K. Guguloth, 680 : 388-, 2017

9 A. M. Brown, 14 : 1297-, 1980

10 V. Gray, 623 : 96-, 2015

1 Q. Wang, 47 : 3479-, 2016

2 M. Yang, 107 : 133-, 2016

3 J. S. Lee, 428 : 270-, 2006

4 F. C. Monkman, 56 : 593-, 1956

5 M. F. Ashby, 20 : 887-, 1972

6 F. R. N. Nabarro, 54 : 263-, 2006

7 P. J. Ennis, 45 : 4901-, 1997

8 K. Guguloth, 680 : 388-, 2017

9 A. M. Brown, 14 : 1297-, 1980

10 V. Gray, 623 : 96-, 2015

11 X. Z. Zhang, 689 : 345-, 2017

12 K. Maruyama, 696 : 104-, 2017

13 A. K. Mukherjee, 322 : 1-, 2002

14 V. Gaffard, 133 : 139-, 2005

15 V. M. Radhakrishnan, 1 : 123-, 1992

16 J. Cadek, 225 : 22-, 1997

17 F. Abe, 36 : 321-, 2005

18 K. Sawada, 319 : 784-, 2001

19 K. Kimura, 99 : 395-, 2008

20 K. Kimura, 510-511 : 58-, 2009

21 B. Wilshire, 53 : 91-, 2008

22 D. V. V. Satyanarayana, 323 : 119-, 2002

23 N. Q. Vo, 71 : 89-, 2014

24 T. Sakthivel, 640 : 61-, 2015

25 B. Q. Han, 300 : 235-, 2001

26 T. Shrestha, 423 : 110-, 2012

27 S. M. Zhu, 46 : 2969-, 1998

28 N. Q. Vo, 71 : 89-, 2014

29 D. V. V. Satyanarayana, 323 : 119-, 2002

30 B. Wilshire, 37 : 1005-, 2006

31 B. Wilshire, 56 : 701-, 2007

32 B. Wilshire, 443 : 156-, 2007

33 B. Wilshire, 510-551 : 3-, 2009

34 "NIMS creep data sheet no.51A and 28B"

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연월일	이력구분	이력상세
2023	평가예정	해외DB학술지평가 신청대상 (해외등재 학술지 평가)
2020-01-01	평가	등재학술지 유지 (해외등재 학술지 평가)
2009-12-29	학회명변경	한글명 : 대한금속ㆍ재료학회 -> 대한금속·재료학회
2008-01-01	평가	SCI 등재 (등재유지)
2005-01-01	평가	등재학술지 선정 (등재후보2차)
2004-01-01	평가	등재후보 1차 PASS (등재후보1차)
2002-01-01	평가	등재후보학술지 선정 (신규평가)