caa a22 4500 463224957 CHVBK 20180405153224.0 cr unu---uuuuu 170326e20070601xx s 000 0 eng 10.1007/s10853-006-0468-y doi (NATIONALLICENCE)springer-10.1007/s10853-006-0468-y Reaction sequences and influence factors during carbothermal synthesis of ultrafine TiN powders [Elektronische Daten] [Daoping Xiang, Ying Liu, Zhiwei Zhao, Shengji Gao, Mingjing Tu] Ultrafine TiN powders were synthesized by Carbothermal Reduction-Nitridation (CRN) method using nano titania and nano carbon black as raw materials. Phase transition sequences during reaction and influence of main technological factors were investigated using X-ray diffraction (XRD), thermogravimetric analysis (TGA) and scanning electron microscope (SEM). The results indicate that phase transition sequences were TiO2→Ti10O19→Ti3O5→TiO x N y →TiN. At the same time, CRN reaction consists of three continuous stages. In the first stage, nano TiO2 powders were reduced to Ti3O5. In the second stage, Ti3O5 was totally converted into TiO x N y . TiN solid solution formed completely by the end of the third stage. The rapidest reaction rate was observed in the second stage and the lowest was in the third stage. Higher reaction temperature, longer isothermal time, or larger nitrogen pressure was in favor of synthesizing TiN powders. Springer Science+Business Media, LLC, 2007 Xiang Daoping College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut Liu Ying College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut Zhao Zhiwei College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut Gao Shengji College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut Tu Mingjing College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/12(2007-06-01), 4630-4635 0022-2461 42:12<4630 2007 42 10853 https://doi.org/10.1007/s10853-006-0468-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10853-006-0468-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Xiang Daoping College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut NATIONALLICENCE 700 1- Liu Ying College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut NATIONALLICENCE 700 1- Zhao Zhiwei College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut NATIONALLICENCE 700 1- Gao Shengji College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut NATIONALLICENCE 700 1- Tu Mingjing College of Materials Science and Engineering, Sichuan University, 610065, Chengdu, P.R. China aut NATIONALLICENCE 773 0- Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/12(2007-06-01), 4630-4635 0022-2461 42:12<4630 2007 42 10853 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer