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노남수(Nam-Su Rho),박철규(Chul-Kyu Park),김덕회(Duck-Hoi Kim),김재훈(Jae-Hoon Kim),이영신(Young-Shin Lee),문순일(Soon-Il Moon) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
The objectives of this study are to evaluate for the dynamic fracture toughness of advance glass ceramics for dome port cover of the ramjet engine. Static and dynamic fracture toughness tests are perfomed using strain gage method. To correlate between dynamic fracture toughness and static fracture toughness, correction factor is considered. And, dynamic fracture toughness is carried out in the variation of notch radii.
노치 시험편에 의한 Glass Ceramic의 파괴인성 평가
노남수(Nam-Su Rho),박철규(Chul-Kyu Park),김덕회(Duck-Hoi Kim),김재훈(Jae-Hoon Kim),이영신(Young-Shin Lee),문순일(Soon-Il Moon) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
The objective of this study is to evaluate for the mechanical properties and fracture toughness of glass ceramic for dome port cover of the ramjet engine. Static and dynamic fracture toughness tests are used in SEPB and SENB method. SENB method is tested according to the various notch radius. Static and dynamic fracture toughness tests are performed using the strain gage method. The evaluation method of dynamic fracture toughness of glass ceramic is validated by using strain gage method.