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      KCI등재 SCI SCIE SCOPUS

      Application of an Image-Based Model of the Elastic Modulus of Porous Thermal Barrier Coatings

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      https://www.riss.kr/link?id=A108212341

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      다국어 초록 (Multilingual Abstract)

      The elastic modulus of plasma-sprayed thermal barrier coatings (TBCs), which have been utilized for gas turbine enginecomponents at elevated temperatures, has been investigated using a proposed model. The main purpose of this paper is toexplore the alterations in porous TBC microstructure that lead to alterations in its mechanical properties, including elasticmodulus. This paper investigates the effect of different types of defects, i.e., nonflat porosity, microcracks and interlamellarporosity, on the elastic modulus of porous TBC materials. The first part of this paper quantitively studies the microstructuralcharacterization of plasma-sprayed TBCs by means of an image analysis approach. The second part of this paper predictsthe elastic modulus of plasma-sprayed TBCs based on microstructural changes, i.e., defects. The volumetric fraction of differenttypes of defects and their shapes and orientations are also taken into account. It is found that both microcracks andinterlamellar porosity exhibit a crucial optimization on the elastic modulus of porous TBCs, while nonflat porosity showsa lesser effect on the elastic modulus. The predicted data of the proposed model show relatively good agreement with FEAmodel results and experimentally measured results. These simulation results could help to further the understanding of theimpact of porous TBC microstructural alterations on elastic modulus.
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      The elastic modulus of plasma-sprayed thermal barrier coatings (TBCs), which have been utilized for gas turbine enginecomponents at elevated temperatures, has been investigated using a proposed model. The main purpose of this paper is toexplore the al...

      The elastic modulus of plasma-sprayed thermal barrier coatings (TBCs), which have been utilized for gas turbine enginecomponents at elevated temperatures, has been investigated using a proposed model. The main purpose of this paper is toexplore the alterations in porous TBC microstructure that lead to alterations in its mechanical properties, including elasticmodulus. This paper investigates the effect of different types of defects, i.e., nonflat porosity, microcracks and interlamellarporosity, on the elastic modulus of porous TBC materials. The first part of this paper quantitively studies the microstructuralcharacterization of plasma-sprayed TBCs by means of an image analysis approach. The second part of this paper predictsthe elastic modulus of plasma-sprayed TBCs based on microstructural changes, i.e., defects. The volumetric fraction of differenttypes of defects and their shapes and orientations are also taken into account. It is found that both microcracks andinterlamellar porosity exhibit a crucial optimization on the elastic modulus of porous TBCs, while nonflat porosity showsa lesser effect on the elastic modulus. The predicted data of the proposed model show relatively good agreement with FEAmodel results and experimentally measured results. These simulation results could help to further the understanding of theimpact of porous TBC microstructural alterations on elastic modulus.

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      참고문헌 (Reference)

      1 F. Kroupa, 16 : 84-, 2007

      2 N. Ramakrishnan, 76 : 2745-, 1993

      3 W. Pabst, 49 : 77-, 2005

      4 P. Scardi, 84 : 827-, 2001

      5 F. Cernuschi, 24 : 2657-, 2004

      6 Z. Wang, 51 : 5319-, 2003

      7 J. Zhai, 35 : 512-, 2019

      8 G. J. Yang, 22 : 1294-, 2013

      9 R. S. Ghai, 9 : 101-, 2019

      10 A. Moteb, 46 : 21939-, 2020

      1 F. Kroupa, 16 : 84-, 2007

      2 N. Ramakrishnan, 76 : 2745-, 1993

      3 W. Pabst, 49 : 77-, 2005

      4 P. Scardi, 84 : 827-, 2001

      5 F. Cernuschi, 24 : 2657-, 2004

      6 Z. Wang, 51 : 5319-, 2003

      7 J. Zhai, 35 : 512-, 2019

      8 G. J. Yang, 22 : 1294-, 2013

      9 R. S. Ghai, 9 : 101-, 2019

      10 A. Moteb, 46 : 21939-, 2020

      11 L. Baiamonte, 277 : 289-, 2015

      12 B. K. Jang, 59 : 3462-, 2005

      13 D. N. Boccaccini, 38 : 1720-, 2018

      14 S. Saeidi, 20 : 1231-, 2011

      15 K. Ma, 253 : 58-, 2014

      16 A. Fregeac, 45 : 23740-, 2019

      17 W. Pabst, 34 : 3195-, 2014

      18 J.R. Brandon, 39-40 : 143-, 1989

      19 B. Y. Zhang, 397 : 125-, 2017

      20 B. Y. Zhang, 406 : 99-, 2017

      21 P. Scardi, 76–77 : 106-, 1995

      22 C. Funke, 94–95 : 106-, 1997

      23 S. Ahmaniemi, 366 : 175-, 2004

      24 N. M. Yanar, 46 : 325-, 2002

      25 L. Wang, 35 : 505-, 2012

      26 L. Wang, 32 : 36-, 2011

      27 Y. Dong, 32 : 2213-, 2012

      28 G. R. Li, 483 : 472-, 2019

      29 K. Ma, 235 : 589-, 2013

      30 A. Kulkarni, 51 : 2457-, 2003

      31 S. Wei, 204 : 3376-, 2010

      32 D. P. H. Hasselman, 45 : 452-, 1962

      33 Z. Hashin, 29 : 143-, 1960

      34 W. Pabst, 26 : 1085-, 2006

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      공동연구자 (7)

      유사연구자 (20) 활용도상위20명

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      학술지 이력

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

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 2.05 0.91 1.31
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      1.03 0.86 0.678 0.22
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