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최주한(崔珠瀚) ( Choi¸ Ju-han ) 한국어문교육연구회 2020 어문연구(語文硏究) Vol.48 No.4
한국 근대 어문의 형성 과정은 대개 근대계몽기 국한문체와 국문체라는 ‘두개의 언문일치’가 벌인 競合, 그리고 결국 국문체가 한문 교양에 의존했던 국한문체를 장악해간 과정으로 간주된다. 그러나 국한문체에서 국문체로의 이행에서 근대 민족어문 형성의 빛나는 성취를 강조하는 언어 내셔널리즘의 틀로는 국한문체와 국문체가 병행하며 상보적인 쇄신을 걸었던 당대 어문의 현실이 온전히 설명되기 어렵다. 이 논문은 당대 글쓰기에서 문체의 선택이 매체의 성격 및 여건, 독자, 장르의 관습에 구속되어 있었고 문체의 이행 또한 漸進的이기보다는 斷續的이었다는 사실에 주목하여 이광수의 근대 문체실험에서 한자가 차지하는 위상을 고찰했다. 이로써 근대 어문의 형성에 관여한 국한문체와 국문체의 상보적 쇄신의 과정을 밝히는 한편, 이광수의 문체 실험에 내재한 문체적 단속성과 비균질성을 둘러싼 논란을 해명할 수 있었다. The process of formation of the modern Korean language is generally regarded as a process in which the Korean language style and the Korean- Chinese-language mixed style of the modern enlightenment were competed, and eventually the former took over the latter, which relied on the culture of Chinese characters. However, as a framework of linguistic nationalism that emphasizes the brilliant achievement of the formation of modern national languages in the transition from the Korean language style to the Korean-Chinese -language mixed style, it is difficult to fully explain the reality of the contemporary language, which took a complementary renewal of both styles. The choice of literary style in contemporary writing was constrained by the characteristics and conditions of the medium, readers, and customs of the genre, and the transition of literary style was also more intermittent rather than progressive. Taking note of this fact, this paper was considered the status of Chinese characters in Lee Kwang-su’s modern literary style experiment. As a result, it was revealed the process of complementary renewal of the Korean language style and Korean-Chinese-language mixed style involved in the formation of modern Korean language, and was clarified the controversy over the literary stylistic intermittence and heterogeneity inherent in Lee’s stylistic experiment.
플라즈마 아크 용해법으로 제조한 Mo-Hf- C 계 합금의 재결정거동에 관한 연구
최주,박원구,이종무,윤국한,김형기 대한금속재료학회(대한금속학회) 1993 대한금속·재료학회지 Vol.31 No.3
High temperature strength of heat resistant Mo-base allay such as TZM and TZC, was considerably improved due to the effect of TiC, ZrC precipitate hardening. Since HfC is much more stable than TiC and ZrC, development of HfC strengthened Mo-base alloy has already been under way. In this study, the Mo-Hf-C alloys containing 0.31∼1.14 at% Hf and 0.08∼1.00 at% C were prepared by plasma arc melting. The recrystallization behavior was examined upon the amounts of added Hf and C. The precipitates which influence the recrystallization behavior were analyzed by TEM observation. HfC precipitated when annealed sheet was heat treated below 1600℃. When the sample was heat treated above 1600℃, HfO₂ precipitated instead of HfC. As the contents of Hf and C increased, 50%-1hr recrystallization temperature increased from 1400℃ to 1700℃.
한국 최초의 경주시 황남동 출토 유리 용융 도가니 및 유리 구슬에 대한 연구
최주,안재호,황상주,권희경,김수철,도정만,박기훈,김선태 한국전통과학기술학회 1994 한국전통과학기술학회지 Vol.1 No.1
A piece of glass melting crucible whose inner face was lined with yellowish brown glass, a yellowish brown ellipsoidal bead and a greenish scrcew-shaped wound bead were unearthed in Kyongju city. These finds were dated to around the middle of the 6th century by pattern impressed earthenwares excavated in the same stratum. Chcmica analyses were carried out by means of energy diapersive spectrometry(EDS), atomic absorption analysis(AA), induced coupling plasma analysis(ICP) along with conventional wet analvsis. Also X-ray and elecrtron diffraction analvses were periomd in an attempt to identify any crystalline precipitates. Three glass items are classified iota lead-silica group showing the same compositions. This indicates that the two beads are from the same crucible. Ywllowish brown glass film contains 72.5% PbO and 25.2% SiO₂ and its softening point is 442℃ which is determined by differential scanning calorimeter(DSC). Melting point is found to be around 650℃ by practical measurement. Color differences in two beads are proved to be mainly due to copper contained in the glass, i.e., yellowish brown and greenish colors depend on reduction and oxidation atmosphere during melting, respectively. Chemical analysis shows that the glass melting crucible is a common earthenware.
Inconel 718 에 있어서 Ni3Nb 상의 결정구조
최주,최형섭 대한금속재료학회(대한금속학회) 1972 대한금속·재료학회지 Vol.10 No.1
닉켈基耐熱合金인 Inconel718의 過時效단계에서 석출되는 Ni₃Nb 相의 結晶構造를 制限視野電子廻折法으로 조사하였다. 이 相은 規則化된 單位最密層이 주기적으로 二層씩 쌓여 있어서 2H 構造라는 것을 알 수 있었다. 最密層의 原子配置狀態는 一次元의 長週期超格子인 M=1型의 規則格子와 같았으며, 積層順序는 AB'AB'……로 나타낼 수 있었다. The crystal structure of the Ni₃Nb phase which appears in an overaged Inconel 718 is examined by selected area electron diffraction. It is confirmed that the phase has an ordered close packed layer structure with a periodic stacking modulation of the stacking order which can be specified as 2H structure. The specific stacking order of the 2H structure can be expressed as AB'AB'…… The atomic arrangement on the close packed layer is identical with that of one dimensional long period superlattice of M=1 type superstructure.
최주,이종근,최승주 대한금속재료학회(대한금속학회) 1981 대한금속·재료학회지 Vol.19 No.7
Trials were made to develop gamma prime precipitation hardened nickel-base superalloys which have both excellent creep rupture strength and hot corrosion resistance. The factors which influence high temperature characteristics were expressed a function of alloy composition by means of multiple regression analysis. Setting certain conditions on the factors, alloy composition was calculated with use of the computer. The alloys developed by this method are proved to be excellent in creep rupture strength and sulfidation resistance.