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방희선,방한서,김유철,주성민,좌순원,노찬승,Bang, Hee-Seon,Bang, Han-Sur,Kim, You-Chul,Joo, Sung-Min,Joa, Soon-Won,Ro, Chan-Seoung The Korean Welding and Joining Society 2009 대한용접·접합학회지 Vol.27 No.5
Thermal and mechanical characteristics in dissimilar SS400-STS304 steel weldment have been investigated by 3D thermal elastic-plastic analysis. Moreover, the influence of welding residual stresses on the mechanical behaviour of this welded joint, by applying superimposed external load (tension load) was determined. The residual stresses obtained by numerical simulation were compared with the experimentally measured results. The FE results were in good agreement with the measured values. The mechanical test (hardness, tensile test) and metallurgical analysis was carried out to ensure the weld integrity. Hence, possibility of applying SS400-STS304 dissimilar steels in industries has been established.
이귀주(KWI-JOO LEE),좌순원(SOON-WON JOA),박명규(MYUNG-KYU PARK),신영균(YOUNG-KYUN SHIN) 한국해양공학회 2003 韓國海洋工學會誌 Vol.17 No.5
A series of tests of 5 model ships, selected from a data survey of 10 Gross Tonnage actual fishing boats, were performed in two circulating water channels (Chosun University in Korea and WJFEL in Japan), in order to develop the basic hull form of a 25 knots-class fishing boat. Resistance tests, trim and sinkage measurements and wave pattern observations etc., were included in each model test, and the model test results were compared and analyzed. The result was as follows: P-4 hull form ship changed into Deep V type bow is the best hull form with good performance, especially with regard to ship's resistance efficiency.
On the Characteristics of Form Factors (Series 60, C<SUB>B</SUB>=0.60)
Hun Chol Kim(김훈철),Seung II Yang(양승일),Eun Chan Kim(김은찬),Kuk Jin Kang(강국진),Suakho Van(반석호),Young-Gill Lee(이영길),Yoon-Ho Kim(김윤호),Kwi-Joo Lee(이귀주),Young Ki Kwak(곽영기),Soon Won Joa(좌순원),Hyochul Kim(김효철),Wu 대한조선학회 1988 大韓造船學會誌 Vol.25 No.4