http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
하이브리드 열가소성 복합재료의 압축성형에서 공정특성에 관한 연구
허석봉,이중희,신귀수,이경엽,Heo, Seok-Bong,Lee, Joong-Hee,Shin, Gwi-Su,Rhee, Kyoung-Yop 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.12
Hybrid composites usually are defined as composites having different types of reinforcements such as fibers and particles. The major advantage of hybrid composites is able to control the material properties such as optical, electrical, and mechanical properties. For this reason, hybrid composites are widely used in automotive, marine, household, and electrical industries. The objective of this work was to investigate processing characteristics in the compression molding of hybrid thermoplastic composites. The mechanical properties of composites manufactured in various forming conditions were monitored. The composites contained randomly oriented long carbon fiber and carbon black in polypropylene(PP) matrix were used. The carbon fiber contents of composites were 5%, 10%, 15%, and 20%, and carbon black contents were 5%, 10%, 15%, 20%, and 25% by weight. Compression molding was conducted at various mold temperatures. Crstallinity was also measured by using X-RD. The tensile modulus of the composites increased with increasing the mold temperature. However, the impact strength of the composites decreased as the mold temperature increased.
연료전지 차량용 고압기체수소 저장용기(Type4)개발(설계검증시험)
유계형(Yoo, Gye-Hyoung),주용선(Ju, Yong-Sun),허석봉(Heo, Seok-Bong),전상진(Jeon, Sang-Jin),김종열(Kim, Jong-Lyul),이중희(Lee, Jong-Hee) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.11
We developed and tested the high pressure hydrogen gas cylinder(type4) for fuel cell vehicle. The working pressure is 350bar. We conducted material tests, production tests and design qualification tests on the developed cylinders according to modified NGV2-2000(hydrogen). The high pressure hydrogen gas cylinder met all the design qualification requirements of ANSI/CSA NGV2-2000 and acquired NGV2 certification from independent inspection agency.