Fabrication and properties of in-situ pressureless-sintered ZrB2/B4C composites. Issue 17 (1st December 2017)

• Record Type: Journal Article
• Authors: Lin, Xiao; Ai, Shuhe; Feng, Yurun; Gao, Dezhi; Guo, Xue; Liu, Yu; Xie, Bingying; Gong, Hongyu; Zhang, Yujun
• Is Part Of: Ceramics international. Volume 43:Issue 17(2017)
• Page Start: 15593
• Page End: 15596
• Publication Date: 2017-12-01
• Subjects: ZrO2 -- B4C -- Submicro-sized -- Pressureless sintering -- Mechanical properties; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2017.08.115
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: The effect of ZrO2 addition on the mechanical properties of B4 C ceramics prepared by pressureless sintering was investigated. Submicron B4 C powders, phenolic resin as binders and submicro-sized ZrO2 as sintering aids were used. Results show that the addition of ZrO2 improves the relative density and mechanical properties of B4 C remarkably. The highest relative density was 96.7%, meanwhile bending strength and Vickers hardness of 365.4 MPa and 34.2 GPa, respectively were measured for specimens added with 15 wt% ZrO2 and pressureless sintered at 2100 °C for 60 min.