Effect of the W-W contiguity on conductivity of W-Cu composite using the Voronoi diagram
- Title
- Effect of the W-W contiguity on conductivity of W-Cu composite using the Voronoi diagram
- Author
- 김영도
- Keywords
- W-Cu; Nanocomposites; W-W contiguity; Voronoi diagram; Conductivity
- Issue Date
- 2022-01
- Publisher
- WALTER DE GRUYTER GMBH
- Citation
- INTERNATIONAL JOURNAL OF MATERIALS RESEARCH, v. 96, NO. 3, Page. 255-258
- Abstract
- W- 15wt.% Cu nanocomposite powder samples were fabricated by ball-milling and subsequent hydrogen-reduction. The powder samples were heated to 1200 degrees C at 5 and 20 degrees C min(-1) and sintered for 1 h to obtain different sintered microstructures. The homogeneity of the sintered microstructures was evaluated by the standard deviation of the Vickers hardness. The W-W contiguity was calculated by using Voronoi diagrams. The sintered microstructure in case of the 20 degrees C min(-1) sample was more homogeneous and had lower W-W contiguity than the 5 degrees C min(-1) sample. The microstructural homogeneity was directly related to the W-W contiguity. Thermal conductivity of the 20 degrees C min(-1) sample was about 5% higher than the thermal conductivity of the 5 degrees C min(-1) sample. This indicates that the thermal conductivity is affected by the W-W contiguity resulting from the homogeneity of the sintered microstructure.
- URI
- https://www.degruyter.com/document/doi/10.3139/ijmr-2005-0046/htmlhttps://repository.hanyang.ac.kr/handle/20.500.11754/178160
- ISSN
- 1862-5282;2195-8556
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
- Files in This Item:
There are no files associated with this item.
- Export
- RIS (EndNote)
- XLS (Excel)
- XML