Hot Isostatic Pressing of Reactive SnO2 Powder |
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| Authors: | Masaru Yoshinaka Ken Hirota Masayuki Ito Hiroshi Takano Osamu Yamaguchi |
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| Affiliation: | Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyo-Tanabe Kyoto 610-0321, Japan;Department of Chemical Engineering and Materials Science, Faculty of Engineering, Doshisha University, Kyo-Tanabe Kyoto 610-0321, Japan |
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| Abstract: | Tin(IV) oxide (SnO2) crystallizes at room temperature by adding hydrazine monohydrate ((NH2)2· H2O) to a hydrochloric acid solution of tin, followed by washing and drying. Well-densified SnO2 ceramics (99.8% of theoretical) with an average grain size of 0.9 μm have been fabricated by hot isostatic pressing for 2 h at 900°C and 196 MPa. Their Vickers hardness and bending strength are 14.4 GPa and 200 MPa, respectively. They exhibit an electrical conductivity of 2 × 10?3?9 × 10?3 S·cm?1 at room temperature. |
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