http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이상율(Sangyul Lee) 한국고고학회 2001 한국고고학보 Vol.45 No.-
최근 天安 斗井洞 및 龍院里古墳群에서는 百濟의 初期馬具相을 알 수 있는 중요한 유물이 출토되었다. 정식보고된 바에 의하면 모두 4世紀代의 것들로 규정되고 있다. 주지하듯이 이 시기는 남부지방에서 진정한 騎乘用 馬具가 도입되는 시기이다. 그러나 지금까지 金官加耶를 비롯한 일부 특정지역을 제외하고는 특히, 百濟의 경우 4世紀代의 馬具 全形은 거의 알려지지 않고 있었다. 따라서 兩유적에서 출토된 馬具가 4世紀代의 것이 분명하다면, 百濟 初期馬具의 實相을 직접 보여주는 자료가 되는 점에서 매우 중요한 것이 된다. 또한 馬具는 특정지역을 뛰어넘어 巨視的인 문화상을 반영하는 특징을 갖고있기 때문에 百濟馬具에 있어서 해당 시기에 다른 지역과의 교류나 특징을 파악해 낼 수 있게 된다. 따라서 兩유적의 馬具를 보다 정확히 파악하기 위하여 개개의 檢證을 통해 새로이 살펴본 후, 같은 시기의 자료가 풍부한 加耶馬具와 비교하여 검토해 보았다. 그 결과, 斗井洞의 馬具는 4世紀의 늦은 시기, 龍院里의 馬具는 이보다 더욱 늦은 5世紀後葉부터 6世紀代에 걸친 자료로 파악하였다. 따라서 이들 馬具만으로는 百濟 初期馬具의 구체적인 실상을 파악할 수 없음을 알았다. 특히 龍院里의 馬具는 斗井洞을 잇는 연장선상에서 百濟의 4世紀代를 대변하는 자료가 되지 못함을 지적하였다. 한편 龍院里에서는 비교적 古式에 속하는 劍菱形杏葉이 출토되었다. 그 특징을 통해 최근 논의되고 있는 起源문제에 재접근을 시도해 본 결과, 역시 同形式으로서는 最古式에 속하는 것이 아님을 알 수 있었다. 그러나 이 杏葉 및 지금까지 출토된 初期資料의 검토를 통해 과거 주장한 바 있는 劍菱形杏葉의 百濟起源 가능성을 다시 제시해 보았다. Recently, the important remains that told something about the early forms of horse trappings in Baekjae were excavated in Cheonan Doojeong-Dong and Yongwon-Ri ancient tombs. According to the official report, they are all from the 4th century. As widely known, this is the period when true horse trappings were beginning to be introduced in the southern parts. However, the whole form of horse trappings was not discovered so far, especially in the case of Baekjae, except some particular areas like Gumgwankaya. Thus, if the remains from the two tombs turn out to be from the 4th century, they are very important in that they could show the actual state of early horse trappings of Baekjae. Moreover, since horse trappings reflect the macroscopic images of culture, going beyond a certain area, they could also reveal some facts about trades in the period. Therefore, to better examine the horse trappings excavated in both remains, they were individually verified and compared with the horse trappings from the same period Gaya, whose materials are abundant. According to the result, the trappings from Doojeong-Dong were made in the late 4th century, whereas the ones from Yongwon-Ri were much later than that, that is, in the late 5th and 6th century. Thus, it was impossible to find out the specific facts on the early Baekjae horse trappings from these materials. It was also pointed out that the horse trappings from Yongwon-Ri could not represent the 4th century of Baekjae since they are on the extended line of Doojeong-Dong. Yongwon-Ri also produced Gumnung-type harness pendants, which is relatively an old form. The study on their origin through the features revealed that they did not belong to the oldest type in the same form. However, by examining these pendants and the early materials excavated so far, the possibility of the pendants having originated in Baekjae was suggested again.
장형진(Hyung Jin Chang),이상율(Sangyul Lee),안재성(JaeSung An),송진화(Jin Hwa Song),임재문(Jae Moon Lim) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
To evaluate the rear seat occupant safety, two frontal barrier tests were conducted according to the test procedures of the New Car Assessment Program (NCAP). The NCAP test method is identical but more severe condition than the vehicle safety regulation of the Ministry of Construction and Transportation (MOCT). In each test, the injury data of head, chest and femur for driver, front and rear passenger dummies were measured and analyzed. The head and chest injury of rear seat passenger dummies are lower than those of the driver and front passenger dummies. The femur load of the rear seat dummies is higher than those of the front seat dummies. The results show that the rear seat passengers are safer than the driver and front passenger. The submarining phenomenon is occurred in the rear seat<br/> passenger dummies. The lower legs of the rear seat dummies pushed the front seat back. The submarining effect of the rear seat passenger dummies may result in the behavior of the driver and front seat dummies. Also, this effect may result in the increase of the injuries of the driver and front passenger.<br/>
EHA 유압펌프 부품의 플라즈마 질화기술 적용에 관한 연구
김은영(Eun-Young Kim),김범석(BomSok Kim),이상율(SangYul Lee) 한국표면공학회 2005 한국표면공학회지 Vol.38 No.6
In this study, ion nitriding of a EHA pump part made of AISI 4340 steel was performed under different applied power conditions to study the relationship between dimensional changes of specimens and the type of applied power source. Microstructures and micohardness distribution at different processing conditions were also examined. Duplex surface treatment of ion nitriding with the optimum process conditions to produce the minimum dimensional variation in a EHA pump part and a TiN thin film coating by unbalanced magnetron sputtering was performed and the specimens with a duplex surface treatment were subjected to a high speed wear test to evaluate the wear performance of EHA hydraulic pump parts with various surface treatment conditions. Results indicated that uniform and continuous surface layer with a minimum dimensional variation could be obtained by ion nitriding with bipolar mode power source and much enhanced wear characteristics with a duplex surface treatment could be obtained, compared with results from ion nitriding or single-layerd TiN coating specimens.
비대칭 스퍼터링에 의한 TiAIN/CrN 나노 다층 박막의 합성 및 특성 분석에 관한 연구
김광석(GwangSeok Kim),김범석(Bom Sok Kim),이상율(SangYul Lee) 한국표면공학회 2005 한국표면공학회지 Vol.38 No.6
In this work a multi-layered nanostructured TiAlN/CrN superlattice coatings was synthesized using closed-field unbalanced magnetron sputtering method and the relationships between their superlattice period (1), micro-structure, hardness and elastic modulus were investigated. In addition, wear test at 500℃ and oxidation resistance test at 900℃ were performed 10 investigate high temperature properties of these thin films. The coatings were characterized in terms of microstructure and mechanical properties by transmission electron microscopy (TEM) and nano-indentation test. Results from TEM analysis showed that superlattice periods was inversely proportional to the jig rotation speed. The maximum hardness and elastic modulus of 37 ㎬ and 375 ㎬ were observed at superalttice period of 6.1 ㎚ and 4.4 ㎚, respectively. An higher value of microhardness from TiAlN/CrN thin films than either TiAlN (30 ㎬) or CrN (26 ㎬) was noted while the elastic modulus was approximately an average of TiAlN and CrN films. These enhancement effects in superlattice films could be attributed to the resistance to dislocation glide across interface between the CrN and TiAlN layers. Much improved plastic deformation resistance (H³/E²) of 0.36 from TiAlN/CrN coatings was observed, compared with 0.15 and 0.16 from TiAlN and CrN, respectively. Also the wear resistance at 500℃ was largely increased than those of single TiAlN and CrN coatings and TiAlN/CrN coatings showed much reduced weight gain after exposure at 900℃ for 20 hours.