放电等离子烧结B_(4)C研究进展  

Research progress of B_(4)C prepared by spark plasma sintering

作　　者：闫星亨 周新贵[1] 王洪磊 YAN Xing-heng;ZHOU Xin-gui;WANG Hong-lei(College of Aerospace Science and Engineering,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学空天科学学院,长沙410073

出　　处：《粉末冶金技术》2022年第6期516-526,534,共12页Powder Metallurgy Technology

摘　　要：B_(4)C是一种重要的工业材料,被广泛应用于零件加工、航空航天、装甲防护和核工业领域。放电等离子烧结是一种通过多场耦合作用来实现材料低温快速烧结的技术。本文综述了近几年来放电等离子烧结制备B_(4)C陶瓷的研究现状,阐述了放电等离子烧结的基本原理和特点,着重分析了不同原料粉末和不同烧结工艺参数对B_(4)C结构和性能的影响,最后对放电等离子烧结B_(4)C陶瓷的发展做出了展望。B_(4)C is a critical industrial material,which is widely used in parts processing,aerospace,armor protection,and nuclear industry.Spark plasma sintering(SPS)technology can realize the rapid sintering of materials at low temperature through the multi field coupling.The research status of B_(4)C ceramics sintered by SPS in recent years was reviewed in this paper.The basic principle and characteristics of SPS were expounded.The effects of the raw powders and sintering parameters on the composition and properties of B_(4)C were emphatically analyzed.Finally,the development of B_(4)C ceramics sintered by SPS was prospected.

关 键 词：放电等离子烧结 致密化 碳化硼 复合材料 烧结助剂 

分 类 号：TB333[一般工业技术—材料科学与工程]