흑연블록 제조를 위한 등압성형 시 일축가압 예비성형의 압력변화에 따른 기계적 및 전기적 특성 변화
(주)코리아스칼라
- 최초 등록일
- 2023.06.05
- 최종 저작일
- 2023.02
- 6페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 30권 / 1호
ㆍ저자명 : 변태섭, 전동표, 이상혜, 이상우, 노재승
목차
Abstract
1. Introduction
2. Experimental procedure
2.1. Raw materials and preparations
2.2. Properties of Graphite Block
3. Results and Discussion
3.1. Bulk density and Porosity
3.2. Electrical resistivity, Flexural strength and Shorehardness
4. Conclusion
Acknowledgement
References
영어 초록
In this study, a graphite block is fabricated using artificial graphite processing byproduct and phenolic resin as raw materials. Mechanical and electrical property changes are confirmed due to the preforming method. After fabricating preforms at 50, 100, and 150 MPa, CIP molding at 150 MPa is followed by heat treatment to prepare a graphite block. 150UP-CIP shows a 12.9% reduction in porosity compared with the 150 MPa preform. As the porosity is decreased, the bulk density, flexural strength, and shore hardness are increased by 14.9%, 102.4%, and 13.7%, respectively; and the deviation of density and electrical resistivity are decreased by 51.9% and 34.1%, respectively. Therefore, as the preforming pressure increases, the porosity decreases, and the electrical and mechanical properties improve.
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