Tough and dense boron carbide obtained by high-pressure (300 MPa) and low-temperature (1600 °C) spark plasma sintering

被引：27

作者：

Badica, Petre ^{[1
,2
,3
]}

Grasso, Salvatore ^{[4
,5
]}

Borodianska, Hanna ^{[1
,2
]}

Xie, Sky Shumao ^{[2
]}

Li, Peifeng ^{[2
]}

Tatarko, Peter ^{[4
,5
]}

Reece, Mike J. ^{[4
,5
]}

Sakka, Yoshio ^{[1
]}

Vasylkiv, Oleg ^{[1
,2
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[2] Nanyang Technol Univ, Singapore 639798, Singapore

[3] Natl Inst Mat Phys, Magurele 077125, Romania

[4] Queen Mary Univ London, Sch Engn & Mat Sci, London E1 4NS, England

[5] Queen Mary Univ London, Nanoforce Technol Ltd, London E1 4NS, England

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2014年 / 122卷 / 1424期

基金：

英国工程与自然科学研究理事会;

关键词：

Boron carbide; High pressure Spark plasma sintering; Dynamic toughness; CERAMICS; CONSOLIDATION; DENSIFICATION; COMPOSITES; ADDITIVES; HARDNESS; POWDERS; FIELD;

D O I：

10.2109/jcersj2.122.271

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Dense boron carbide (above 95%) was achieved through high pressure (300 MPa) and low temperature (1600 degrees C) Spark Plasma Sintering (SPS). This approach resulted in improvement of fracture toughness and of dynamic toughness when compared to corresponding toughness values of the sample sintered by conventional SPS (2100 degrees C, 50 MPa). Dynamic toughness was extracted from Split Hopkinson Pressure Bar measurements. Results are understood based on microstructure and on very different behaviour of the samples in respect to residual B2O3 and carbon available in the raw B4C powder. (C) 2014 The Ceramic Society of Japan. All rights reserved.

引用

页码：271 / 275

页数：5

共 26 条

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