http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김용현,백원계,신완순,여재익,Kim, Yong-Hyeon,Baek, Won-Kye,Sin, Wan-Soon,Yoh, Jai-Ick 한국군사과학기술학회 2011 한국군사과학기술학회지 Vol.14 No.6
The beam-matter interaction with various coating effects has received continued attention in the high power laser community. Previous works suggest that coatings promote target damage when compared to beaming on uncoated surface. Three types of paint coatings(Acrylic urethane, Silicone alkyd and Stealth blend) and a water coat on metals(Al, Ti and STS) are irradiated with a $CO_2$ laser. Both strain and temperature measurements are provided for assessing the instantaneous response characteristics of each coating on different metals. A selective combination of surface coats with metals has proven effective in either preventing or enhancing damage, both thermal and mechanical, associated with focused beaming on a target.
백원계(Won Kye Baek),이경철(Kyeong Chul Lee),김용현(Yong Hyun Kim),여재익(Jai-ick Yoh),신완순(Wan-Soon Sin),고광웅(Kwang-Uoong Koh),김현태(Hyun-Tae Kim) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Physical phenomena occurred when high energy laser is irradiated on materials are very diverse according to power of irradiated energy, wave length, surface state of materials and so on. Especially in this experiments, metallic materials are the main materials on which high energy laser is irradiated. Experiments are divided into two. First, we irradiated continuous fiber laser(wave length is 1.07㎛) on metallic specimen of which size and thickness change according to power intensity. Second, we investigated the effect of water or other coating on specimens without change of size and thickness using CO₂ laser(wave length is 10.6㎛);power is fixed as 250W. In the first experiment, result showed typical heat transfer because irradiance(W/㎠) is lower than 10?W/㎠. The second experiment showed that damage is much more serious when material is coated.