Formation of Isotropic Carbon Matrix in Carbon/Carbon Composites Derived from Pitch
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon Letters / 11권 / 4호
ㆍ저자명 : Chong-Jin Ahn, In-Seo Park , Hyeok-Jong Joo
ㆍ저자명 : Chong-Jin Ahn, In-Seo Park , Hyeok-Jong Joo
목차
1. Introduction2. Experimental
3. Results & Discussion
4. Conclusion
Acknowledgement
References
한국어 초록
To manufacture a carbon/carbon composite the coal tar pitch was used as the matrix precursor and the PAN(polyacrylonitrile)-based carbon fiber was used as the reinforcing material to weave 3-directional preform. For pressure
carbonization HIP equipment was used to produce a maximum temperature of 1000oC and a maximum pressure of 100 MPa.
The carbonization was induced by altering the dwell temperature between 250oC and 420oC, which is an ideal temperature for
the moderate growth of the mesophase nucleus that forms within the molten pitch during the pressure carbonization process.
The application of high pressure during the carbonization process inhibits the mesophase growth and leads to the formation of
spherical carbon particles that are approximately 30 nm in size. Most particles were spherical, but some particles were
irregularly shaped. The spread of the carbon particles was larger on the surface of the carbon fiber than in the interior of the
matrix pocket.
영어 초록
To manufacture a carbon/carbon composite the coal tar pitch was used as the matrix precursor and the PAN(polyacrylonitrile)-based carbon fiber was used as the reinforcing material to weave 3-directional preform. For pressurecarbonization HIP equipment was used to produce a maximum temperature of 1000oC and a maximum pressure of 100 MPa.The carbonization was induced by altering the dwell temperature between 250oC and 420oC, which is an ideal temperature forthe moderate growth of the mesophase nucleus that forms within the molten pitch during the pressure carbonization process.The application of high pressure during the carbonization process inhibits the mesophase growth and leads to the formation ofspherical carbon particles that are approximately 30 nm in size. Most particles were spherical, but some particles wereirregularly shaped. The spread of the carbon particles was larger on the surface of the carbon fiber than in the interior of thematrix pocket.참고 자료
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