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Pressureless sintering of titanium carbide doped with boron or boron carbide
Gu, Yifeng1,2; Liu, Ji-Xuan3; Xu, Fangfang1; Zhang, Guo-Jun3
2017-02-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume37Issue:2Pages:539-547
SubtypeArticle
AbstractTitanium carbide ceramics with different contents of boron or B4C were pressureless sintered at temperatures from 2100 degrees C to 2300 degrees C. Due to the removal of oxide impurities, the onset temperature for TiC grain growth was lowered to 2100 degrees C and near fully dense (>98%) TiC ceramics were obtained at 2200 degrees C. TiB2 platelets and graphite flakes were formed during sintering process. They retard TiC grains from fast growth and reduced the entrapped pores in TiC grains. Therefore, TiC doped with boron or B4C could achieve higher relative density (>99.5%) than pure TiC (96.67%) at 2300 degrees C. Mechanical properties including Vickers' hardness, fracture toughness and flexural strength were investigated. Highest fracture toughness (4.79 +/- 0.50 MPa m(1/2)) and flexural strength (552.6 +/- 23.1 MPa) have been obtained when TiC mixed with B4C by the mass ratio of 100:5.11. The main toughening mechanisms include crack deflection and pull-out of TiB2 platelets. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordTitanium Carbide Pressureless Sintering Microstructures Mechanical Properties
WOS HeadingsScience & Technology ; Technology
Funding OrganizationNational Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; 51502322 ; 51502322 ; 51502322 ; 51502322 ; 11575275) ; 11575275) ; 11575275) ; 11575275) ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; 51502322 ; 51502322 ; 51502322 ; 51502322 ; 11575275) ; 11575275) ; 11575275) ; 11575275)
DOI10.1016/j.jeurceramsoc.2016.08.035
WOS KeywordMECHANICAL-PROPERTIES ; BOROTHERMAL REDUCTION ; TIB2-TIC COMPOSITES ; ZIRCONIUM DIBORIDE ; POWDERS SYNTHESIS ; TANTALUM CARBIDE ; SILICON-CARBIDE ; TIC COMPOSITES ; CARBON ; CERAMICS
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
Funding OrganizationNational Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; 51502322 ; 51502322 ; 51502322 ; 51502322 ; 11575275) ; 11575275) ; 11575275) ; 11575275) ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; National Natural, Science Foundation of China(51532009 ; 51502322 ; 51502322 ; 51502322 ; 51502322 ; 11575275) ; 11575275) ; 11575275) ; 11575275)
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000386643900013
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/21994
Collection无机材料分析测试中心_期刊论文
Affiliation1.Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Donghua Univ, Res Inst Funct Mat, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
Recommended Citation
GB/T 7714
Gu, Yifeng,Liu, Ji-Xuan,Xu, Fangfang,et al. Pressureless sintering of titanium carbide doped with boron or boron carbide[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2017,37(2):539-547.
APA Gu, Yifeng,Liu, Ji-Xuan,Xu, Fangfang,&Zhang, Guo-Jun.(2017).Pressureless sintering of titanium carbide doped with boron or boron carbide.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,37(2),539-547.
MLA Gu, Yifeng,et al."Pressureless sintering of titanium carbide doped with boron or boron carbide".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 37.2(2017):539-547.
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