公开(公告)号：US20230271886A1

公开(公告)日：2023-08-31

申请号：US18301214

申请日：2023-04-15

申请人： Anhui University of Technology

发明人： Songlin RAN ,  Jun ZHAO ,  Xing JIN ,  Dong WANG ,  Xiang DING

IPC分类号： C04B35/563 ,  C04B35/626 ,  C04B35/58 ,  C04B35/628

CPC分类号： C04B35/563 ,  C04B35/62605 ,  C04B35/58071 ,  C04B35/62802 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/661 ,  C04B2235/96 ,  C04B2235/786

摘要： An electro-conductive B4C—TiB2 has a microstructure in which large B4C grains are coated by small TiB2 grains. The composite ceramic includes 10˜30% by volume of TiB2. A method for preparing the electro-conductive B4C—TiB2 composite ceramic includes: (1) weighing B4C, TiC, and amorphous B powder; (2) mixing evenly and drying thoroughly the powders; and (3) loading the mixed powder into a graphite mold; and placing the graphite mold in a spark plasma sintering furnace for sintering under vacuum, where the sintering is performed at 2000° C. and 50 MPa for 5˜20 min.