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A Cost-Efficient Fabrication Strategy for Conductive Ti2AlC Honeycomb Monolith Using Elemental Powders
Fang, Xuanming; Wang, Xiaohui; Zhang, Hui; Li, Zhaojin; Li, Jialin; Zhou, Yanchun; wang@imr.ac.cn
2015
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume17Issue:9Pages:1344-1350
AbstractA cost-efficient strategy using elemental powders of Ti, Al, and graphite as starting materials is proposed to fabricate conductive Ti2AlC honeycomb monolith. The honeycomb structure is extruded from a plastic feed material composed of the initial powders and several additives. Phase-pure Ti2AlC can be obtained with a direct heating schedule, but the shape of the extruded green body will be destroyed due to thermal explosion in Ti-Al-C strongly exothermic system, which is resulted from the rapid release of latent heat from reactions between the elemental powders during heating process. To avoid the thermal explosion, the honeycomb sample is dwelled at 650 degrees C for 2 h to release latent heat in a controlled manner. As a result, Ti2AlC honeycomb monolith with designed structure is obtained, followed by sintering at elevated temperatures. In addition, the phase evolution and mechanism for pore formation are discussed.
description.department[fang, xuanming ; wang, xiaohui ; zhang, hui ; li, zhaojin ; li, jialin] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [zhou, yanchun] arimpt, sci & technol adv funct composite lab, beijing 100076, peoples r china
Funding OrganizationNational Natural Science Foundation of China (NSFC) [50802097]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry; K. C. Wang Education Foundation, Hong Kong
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74583
Collection中国科学院金属研究所
Corresponding Authorwang@imr.ac.cn
Recommended Citation
GB/T 7714
Fang, Xuanming,Wang, Xiaohui,Zhang, Hui,et al. A Cost-Efficient Fabrication Strategy for Conductive Ti2AlC Honeycomb Monolith Using Elemental Powders[J]. ADVANCED ENGINEERING MATERIALS,2015,17(9):1344-1350.
APA Fang, Xuanming.,Wang, Xiaohui.,Zhang, Hui.,Li, Zhaojin.,Li, Jialin.,...&wang@imr.ac.cn.(2015).A Cost-Efficient Fabrication Strategy for Conductive Ti2AlC Honeycomb Monolith Using Elemental Powders.ADVANCED ENGINEERING MATERIALS,17(9),1344-1350.
MLA Fang, Xuanming,et al."A Cost-Efficient Fabrication Strategy for Conductive Ti2AlC Honeycomb Monolith Using Elemental Powders".ADVANCED ENGINEERING MATERIALS 17.9(2015):1344-1350.
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