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김상림,남광우,최성욱,방형식,서규범,Kim, Sang Rim,Nam, Kwang Woo,Choi, Sung Wook,Bang, Hyeong Sik,Seo, Kyu Bum The Korean Society for Microsurgery 2012 Archives of reconstructive microsurgery Vol.21 No.2
Intramuscular schwannomma is unusual and rare cases were reported in the literature in the gluteus maximus muscle. We present a case of an intramuscular schwannoma arising from the gluteus maximus muscle in a sixty-five-year-old woman. An oval in shape and well encapsulated tumor was found embedded with the gluteus maximus muscle, and then the lesion was excised surgically. Two years following excision of the lesion, the patient remained asymptomatic, with no evidence of local recurrence.
LNG저장탱크의 멤브레인용 국산 304 스테인리스강의 기계적성질 및 피로수명 평가
김형식,Kim, Hyeong-Sik 대한기계학회 2001 大韓機械學會論文集A Vol.25 No.10
Mechanical properties of domestic 374 stainless steel have been evaluated fur membrane material used in LNG storage tank. LNG tank is operated around -162$^{\circ}C$. The temperature of membrane depends on LNG level. Accordingly, the membrane material is deteriorated by variation of liquid pressure and temperature. Tensile test and fatigue life test were performed at room temperature and -l62$^{\circ}C$ per code requirements. Especially the biaxial fatigue life test was conducted with shaped membrane sheet at a thermal strain of $\Delta$T=190$^{\circ}C$ The test results obtained with the domestic 304 stainless steel showed better properties compared to the values required by code.