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이일환,노승훈,한대성,김영조,길사근,박인규 한국반도체디스플레이기술학회 2019 반도체디스플레이기술학회지 Vol.18 No.1
Pipes are widely used in various industries such as automobile, anti-vibration devices, factories and ship building. Chamfering is one of the most critical processes in pipe manufacturing which removes burrs of the pipes for better surface quality. In most cases, the defects of the chamfered surface are originated from the structural vibrations of the chamfering machine. In this study, the dynamic characteristics of a chamfering machine have been analyzed though the experiment and the computer simulation. And the effects of the design parameters affecting the stability of the machine have been investigated to stabilize the machine structure and further to reduce structural vibrations. The result shows that design alterations to stabilize the machine can suppress the defects of the machined surface as well as the vibrations during chamfering.
High-flying Notes from a Korean-American Poet: Notes from the Divided Country by Suji Kwock Kim
이일환 한국영어영문학회 2011 영어 영문학 Vol.57 No.3
Compared with Cathy Song and Myung-Mi Kim, Suji Kwock Kim is yet to be known in Korea, even though she won prestigious American literary awards like the Walt Whitman Award from the Academy of American Poets and the Addison Metcalf Award from the American Academy of Arts and Letters for her debut book of poems, Notes from the Divided Country. Although she was born and raised in the United States and had little knowledge of Korean at first, she came to recognize her identity and be familiar by and by with Korean history. The knowledge of the facts that Korea had been ravaged by foreign forces and suffered from the Japanese colonization and the Korean War aches her soul,and this soul-aching is aggravated by her ancestors’ direct experiences of those Korean historical tragedies. But this book of poems does not contain poems regarding Korean history alone. The first part shows her guilty consciouseness for her brother and sister, who are suggested to be physically abnormal or mentally retarded. The third and fourth parts are filled with poems of very diverse subject matters, tones, and themes. Of those poems, “Monologue for an Onion” is probably most worthy of special attention. It is not only a searing indictment for human folly but also a very intriguing poetic rendering of Nietzschean ultimate lessson. Her achievement in the first book of poems makes us eagerly wait for the second one, which is, reportedly, forthcoming sooner or later.