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Open AccessArticle

Formation Mechanism of Spherical TiC in Ni-Ti-C System during Combustion Synthesis

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Shanghai Key Lab of Advanced High-Temperature Materials and Precision Forming, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China
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School of Materials Science and Engineering, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China
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State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China
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Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China
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Jiangsu Longda Superalloy Material Co., Ltd, Wuxi 214105, China
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Authors to whom correspondence should be addressed.
Materials 2017, 10(9), 1007; https://doi.org/10.3390/ma10091007
Received: 26 July 2017 / Revised: 23 August 2017 / Accepted: 28 August 2017 / Published: 29 August 2017
(This article belongs to the Section Manufacturing Processes and Systems)
The formation mechanism of TiC particles in a Ni-Ti-C system were revealed by using differential thermal analysis (DTA), XRD, and SEM to identify the reaction products in different temperature ranges. The results indicated that the synthesis mechanism of TiC in Ni-Ti-C system was complex; several reactions were involved in the combustion synthesis of TiC-Ni composite. The Ni-Ti intermediate phases play important roles during the formation of TiC. Moreover, the influence of heating rate on the size range of TiC was also discussed. View Full-Text
Keywords: combustion synthesis; composite; TiC; Ni-Ti-C; formation mechanism; DTA combustion synthesis; composite; TiC; Ni-Ti-C; formation mechanism; DTA
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Zhu, G.; Wang, W.; Wang, R.; Zhao, C.; Pan, W.; Huang, H.; Du, D.; Wang, D.; Shu, D.; Dong, A.; Sun, B.; Jiang, S.; Pu, Y. Formation Mechanism of Spherical TiC in Ni-Ti-C System during Combustion Synthesis. Materials 2017, 10, 1007.

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