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http://dx.doi.org/10.3795/KSME-A.2004.28.2.158

Experimental and Analytical Study on Burst Pressure of a Steam Generator Tube with a T-type Combination Crack  

Shin, Kyu-In (한국원자력안전기술원)
Park, Jai-Hak (한국전력공사 전력연구원)
Kim, Hong-Deok (한국전력공사 전력연구원)
Chung, Han-Sub (한국원자력안전기술원)
Choi, Young-Hwan (충북대학교 안전공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.28, no.2, 2004 , pp. 158-164 More about this Journal
Abstract
Steam generator tubes experience widespread degradations such as stress corrosion cracking, wear, tube rupture, denting, fatigue and so on. The resulting damages can cause tube bursting or leak of the primary water which contains radioactivity Therefore the allowable size of the damage is required to be determined on the maintenance purpose. The burst pressure of a tube with a T-type combination crack consisting of longitudinal and circumferential cracks is obtained experimentally and analytically. Fracture parameters such as stress intensity factor and crack opening angle are investigated. Also the burst pressure for a T-type combination crack is compared with that of a single longitudinal crack to develop a length-based criteria.
Keywords
Burst Pressure; Longitudinal Crack; Circumferential Crack; Combination Crack; Stress Intensity Factor; Crack Opening Angle;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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