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김형현(Kim, Hyung-Hyun),박창수(Park, Chang- Soo) 한국지역개발학회 2009 韓國地域開發學會誌 Vol.21 No.1
This dissrtation is to suggest the 야st way for providing renta1 housing by judging govemmental public rental housing lere are mainly two importanl polκies about real estate these days. One is ω provide much chea houses ω selt1e down the housing pnce. The other is to increase the supply of rent히 housing 50 that the mìddle class has stability of residing This study, therefore. investigates whal causes there were in long• tenn rental housing and tries ω suggest an efficient policy by means of comparing and anaJyzing five-year rental housing in the paSL Studying precing research and the examples of driving policies reveed some problems Therefore, 1 suggest the ways for the policy which is intended for providing effective pubJκ renta1 housing in order for house1ess peopJe and lhe mìddJe class to ure residing stability. They are as follows; The polìcy of publìc renta1 housing should be divided into two PartS according to income levels. For example. public areas can play a role 10 supply ten- year rental housing whiJe private ones take five-year
이종재 브레이징 접합부에서의 중간재(Insert metal)두께에 따른 열응력 해석 및 고찰
오환섭(Hwan sup Oh),김성재(Sung Jae Kim),김도형(Do hyung Kim),김형현(Hyung hyung Kim) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
WC-12%Co and SCM440 were jointed by brazing method and they were heated until 1100 CO. However, while they were cooled, the residual stress was remained because of different thermal expansion coefficient a .<br/> Therefore, the residual stress makes stress singularity on the brazing joint surfaces and these stresses are one of the reasons to make fracture conditions. The object of study is to measure the residual thermal stress by using X-Ray method and to suggest the best thickness of insert metal.<br/>