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メカノケミカル反応場の協奏増幅による非酸化物系セラミックス合成プロセス Non-Oxide Ceramic Material Processing Utilizing the Concerted Amplification of Mechanochemical Reactio Field メカノケミカル ハンノウジョウ ノ キョウソウ ゾウフク ニヨル ヒサンカブツケイ セラミックス ゴウセイ プロセス 久高, 克也 クダカ, カツヤ 久高 クダカ 克也 カツヤ KUDAKA, Katsuya Much attention has been paid to synthesis of inorganic compounds by a material processing utilizing various kinds of concerted amplification. The author review mechanochemical process as one of the physical methods which activate the chemical reaction. Carbides, silicides, nitrides and borides were recently synthesized by ball-milling of the elemental powder mixtures without external heat application. The mechanochemical syntheses of these compounds can be divided into ; (1) direct formation of the compounds by instantaneous reaction in case of TiC, TiB_2, MoSi_2, ZrSi_2, Ti_5Si_3, etc. ; or, (2) formation of fine powder mixture by which diffusion process is promoted, followed by annealing at relatively low temperature in case of CrB_2, CrSi_2, WSi_2, SiC, etc. The exothermic nature of the reaction system determines the reaction route for the formation of a compound. Mechanochemical synthesis of nitrides were also reported for TiN,BN, Si_3N_4,β-C_3N_4, etc. Furthermore, the mechanochemical synthesis of the high melting compounds such as WC,TiB_2 and TiC by the reducion of oxides have been examined. 3 KJ00000124156 総説 Review 2000 jpn departmental bulletin paper https://kougei.repo.nii.ac.jp/records/343 AN00159741 03876055 東京工芸大学工学部紀要 The Academic Reports, the Faculty of Engineering, Tokyo Polytechnic University 23 1 1 8 https://kougei.repo.nii.ac.jp/record/343/files/KJ00000124156.pdf application/pdf 594.3 kB 2017-04-21