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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.2
- 수록면
- 15 - 22 (8page)
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초록· 키워드
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In the present paper we report the results of a study into Friction Stir Welds (FSWs) made in 13 ㎜-thick 12%-Cr steel plates. Based on residual strains obtained by diffraction techniques, eigenstrain analysis was performed using the Eigenstrain Reconstruction Method (ERM), which is a novel methodology for the reconstruction of full-field residual strain and stress distributions within engineering components. Significant eigenstrain distributions were found at around Thermo-Mechanically Affected Zone (TMAZ) where the most severe plastic deformation was occurred. Microstructure analysis was used to elucidate this phenomenon showing that the grain structure in TMAZ was bent and not successfully recrystallised, resulting in severe deformation behaviour. The reconstructed residual strain distributions by the ERM agree well with the experimental results. It was found that the approach based on theory of eigenstrain is a powerful basis for reconstructing the full-field residual strain/stress distributions in engineering components and structures.
목차
ABSTRACT
1. Introduction
2. Eigenstrain Reconstruction Method
3. Materials and Experiments
4. Results and Discussion
5. Conclusion
References
참고문헌 (12)
참고문헌 신청
1. [학술지(정기간행물)] - Withers, P. J. / 2007 / Residual Stress and Its Role in Failure / Reports on Progress in Physics 70 (12) : 2211 ~ 2264
2. [학술지(정기간행물)] - Magnani, G. / 2005 / Effect of the Composition and Sintering Process on Mechanical Properties and Residual Stresses in Zirconia-alumina Composites / Journal of the European Ceramic Society 25 (15) : 3383 ~ 3392
3. [학술지(정기간행물)] - Jun, T. S. / 2009 / A Study of Residual Stresses In Vacuum Plasma Sprayed Tungsten Coatings / Advances in X-ray Analysis 52 : 519 ~ 528
4. [학술지(정기간행물)] - Moulik, P. N. / 2001 / Simulation of Thermal Stresses due to Grinding / International Journal of Mechanical Sciences 43 (3) : 831 ~ 851
5. [학술지(정기간행물)] - Withers, P. J. / 2001 / Overview Residual Stress Part 2 - Nature and Origins / Materials Science and Technology 17 (4) : 366 ~ 375
2. [학술지(정기간행물)] - Magnani, G. / 2005 / Effect of the Composition and Sintering Process on Mechanical Properties and Residual Stresses in Zirconia-alumina Composites / Journal of the European Ceramic Society 25 (15) : 3383 ~ 3392
3. [학술지(정기간행물)] - Jun, T. S. / 2009 / A Study of Residual Stresses In Vacuum Plasma Sprayed Tungsten Coatings / Advances in X-ray Analysis 52 : 519 ~ 528
4. [학술지(정기간행물)] - Moulik, P. N. / 2001 / Simulation of Thermal Stresses due to Grinding / International Journal of Mechanical Sciences 43 (3) : 831 ~ 851
5. [학술지(정기간행물)] - Withers, P. J. / 2001 / Overview Residual Stress Part 2 - Nature and Origins / Materials Science and Technology 17 (4) : 366 ~ 375
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UCI(KEPA) : I410-ECN-0101-2016-552-001250515