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Synthesis of Sintered Diamond with High Electrical Resistivity and Hardness
Author(s) -
Akaishi Minoru,
Yamaoka Shinobu,
Tanaka Junzo,
Ohsawa Toshikazu,
Fukunaga Osamu
Publication year - 1987
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1987.tb04885.x
Subject(s) - diamond , electrical resistivity and conductivity , materials science , microstructure , homogeneous , sintering , metallurgy , composite material , physics , electrical engineering , thermodynamics , engineering
Diamond and diamond‐ultrafine Co powder mixtures were sintered at 7.7 GPa and 1800° to 2000°C. A well‐sintered body with a fine‐grained homogeneous microstructure, high hardness, and high electrical resistivity was produced when a diamond‐5 vol% Co powder mixture was used as the starting material.