http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
최창구,이원종,박종욱 한국세라믹학회 1991 한국세라믹학회지 Vol.28 No.6
Numerous researchers have observed the bubble formation from C/C composite at high temperature (1300$^{\circ}C$∼1700$^{\circ}C$). According to thermodynamic calculation, the bubble can be formed at the temperatures above 1500$^{\circ}C$ in the case of SiC coated C/C composite. However, the bubble below 1500$^{\circ}C$ could not be explained. Therfore, in an effort to explain the low temperature bubble formation, the effects of inhibitors such as B, Al, Zr and Si were thermodynamically investigated along with hydrogen and water vapor impurities resolved in C/C composite and SiC coating layer.
김택기,송인명,최창구,김용복 대한금속재료학회(대한금속학회) 1989 대한금속·재료학회지 Vol.27 No.1
The Structure and magnetic properties of amorphous Fe_(80-x)Co_xSi_6P_(14) (10≤X≤50 mole %) alloys have been investigated. The amorphous films were manufactured by a single roll rapid quenching method. The coordination number and the average distance of nearest neighbor were determined from X-ray diffraction experiment, using the dense random packing model, and are 12.2±0.2 and 2.50 ± 0.03A, respectively. The saturation magnetization and the average magnetic moment of a transition metallic atom at OK are 163emu/gr and 1.87 for X=10, and 130 emu/gr and 1.53 for X=50, respectively, The Curie temperature are 630 K for X=10 and 727 K for X=50. The saturation magnetostriction, coercive force and maximum permeability of the amorphous are 9×10^(-6)∼16×10^(-6), 0.2∼0.3 Oe and 4.0×10⁴∼5.0×10⁴, respectively. The Curie temperature increases with Co content While the saturation magnetization, the average magnetic moment, coercive force and the saturation magnetostriction decrease with Co content.