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Densification of high-strength B4C–TiB2composites fabricated by pulsed electric current sintering of TiC–B mixture
Liu, Zetan1,2; Wang, Dewen3,4; Li, Jiamao2; Huang, Qing4; Ran, Songlin1,2
2017
Source PublicationScripta Materialia
ISSN13596462
Volume135Pages:15-18
AbstractThe densification and mechanical properties of B4C–TiB2composites fabricated by reactive pulsed electric current sintering from a mixture of TiC and amorphous B powders were investigated. The excess of B was essential to remove the carbon produced by the reaction. The degassing process at 1900 °C before applying a 50 MPa external pressure greatly improved the densification of the composites. The B4C–41 vol% TiB2composite obtained at the optimum condition had a high 3-point bending strength of 891 MPa, a Vickers hardness of 28 GPa and a fracture toughness of 4.4 MPa m1/2, respectively. © 2017 Acta Materialia Inc.
DOI10.1016/j.scriptamat.2017.03.023
EI Accession Number20171303506597
EI KeywordsTitanium compounds
EI Classification Number701.1 Electricity: Basic Concepts and Phenomena - 802.3 Chemical Operations - 804.2 Inorganic Compounds - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25367
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Ministry of Education, Anhui University of Technology, Ma'anshan; 243002, China;
2.Anhui Key Laboratory of Metal Materials and Processing, School of Materials Science and Engineering, Anhui University of Technology, Ma'anshan; 243002, China;
3.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai; 200050, China;
4.Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials (FiNE), Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo; 315201, China
Recommended Citation
GB/T 7714
Liu, Zetan,Wang, Dewen,Li, Jiamao,等. Densification of high-strength B4C–TiB2composites fabricated by pulsed electric current sintering of TiC–B mixture[J]. Scripta Materialia,2017,135:15-18.
APA Liu, Zetan,Wang, Dewen,Li, Jiamao,Huang, Qing,&Ran, Songlin.(2017).Densification of high-strength B4C–TiB2composites fabricated by pulsed electric current sintering of TiC–B mixture.Scripta Materialia,135,15-18.
MLA Liu, Zetan,et al."Densification of high-strength B4C–TiB2composites fabricated by pulsed electric current sintering of TiC–B mixture".Scripta Materialia 135(2017):15-18.
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