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Subject

Interpretation for Band-Type Indication on Radiography of 9% Ni Steel Welds for LNG Storage Tanks
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액화천연가스 저장탱크 9% 니켈강 용접부의 방사선투과시험 필름에 나타나는 밴드형상의 지시 해석

논문 기본 정보

Type
Academic journal
Author
Seung Hyun Lee (서울과학기술대학교) Seung Rim Lee (한국가스안전공사) Young Soon Lee (서울과학기술대학교)
Journal
The Korean Society For Nondestructive Testing JOURNAL OF THE KOREAN SOCIETY FOR NONDESTRUCTIVE TESTING Vol.30 No.5 KCI Accredited Journals
Published
2010.10
Pages
479 - 483 (5page)

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Result
Interpretation for Band-Type Indication on Radiography of 9% Ni Steel Welds for LNG Storage Tanks
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Abstract· Keywords

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9% nickel alloy steels used for LNG, cryogenic liquid, storage tank are welded with dissimilar Inconel or Hastelloy welding rod and the weldment shows similar characteristic with the dissimilar metal weld of low carbon steel and austenitic stainless steel. Band type indications are sometimes shown on the film during radiography test of the weldments. Thus this study identified whether the indications are non-relevant indications through material, radiographic test, ultrasonic test, liquid penetrant test and microstructure analysis and also proposed radiography film interpretation and cause of band type indications.

Contents

초록
Abstract
1. 서론
2. 모재 및 용가재의 성분 및 기계적 성질
3. 9% 니켈강 용접
4. 9% 니켈강 용접부 결함
5. 9% 니켈강 용접 및 용접부 비파괴시험
6. 시험 결과 및 토론
7. 밴드 형태 지시 해석 제안
8. 결론
참고문헌

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UCI(KEPA) : I410-ECN-0101-2014-500-003179148