Tough ceramics by microwave sintering of nanocrystalline titanium diboride ceramics

D. Demirskyi, D. Agrawal, A. Ragulya

研究成果: ジャーナルへの寄稿学術論文査読

48 被引用数 (Scopus)

抄録

Dense composites of TiB2 with additions of TiN have been produced by microwave sintering. Microwave sintering was conducted at 1200-1700 C under controlled atmosphere. The effects of composition, sintering temperature, on densification, microstructure, and mechanical properties were investigated. Microwave sintering resulted in uniform crack-free uniform microstructure, as well as maximum relative density of 99% and bending strength of 368±15 MPa, Young's modulus of 440±11 GPa, electric resistivity of 2×10-5 Ω cm, Vickers hardness of 26.2 ±0.4 GPa, and a fracture toughness of 6.2±0.34 MPa·m1/2 were obtained using 36 wt% TiB2, and sintering for 10 min at 1650 C.

本文言語英語
ページ(範囲)1303-1310
ページ数8
ジャーナルCeramics International
40
1 PART B
DOI
出版ステータス出版済み - 2014 1月

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