Effects of oxide addition on structure and properties of WC-10Co cemented carbide obtained by in situ synthesized powder

被引:13
|
作者
Deng, Xiao-Chun [1 ]
Wang, Kai-Fei [1 ]
Zhang, Guo-Hua [1 ,2 ]
机构
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing, Peoples R China
[2] Univ Sci & Technol Beijing, Beijing Key Lab Green Recovery & Extract Rare &, Beijing, Peoples R China
关键词
carbides; ceramic-metal systems; grain size; hardness; rare earths; CO COMPOSITE POWDER; MECHANICAL-PROPERTIES; WC; MICROSTRUCTURE; ULTRAFINE; ALLOYS; REDUCTION; Y2O3; NBC; DEFORMATION;
D O I
10.1111/ijac.14058
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
Combining spray drying and in situ synthesized technology, WC-10Co cemented carbide with uniform composition was prepared by vacuum sintering. The effects of Al2O3 and additions of different rare-earth oxides (La2O3, Y2O3 and CeO2) on the microstructure and mechanical properties of WC-10Co were investigated. As the Al2O3 content increased from .5 to 2 wt%, the hardness of the sintered sample increased, whereas the relative density and fracture toughness decreased. Compared with the addition of .5 wt% Al2O3, the WC-10Co alloy with .5 wt% rare-earth oxides had higher hardness. In addition, compared with the alloy without an inhibitor (.80 mu m), after adding .5 wt% Al2O3, La2O3, Y2O3 and CeO2, the WC grain sizes were reduced to .73, .65, .71 and .62 mu m, respectively, which indicated that the addition of Al2O3 and rare-earth oxides could refine WC grain during sintering. Among these additives, CeO2 had the best effect. With the addition of .5 wt% CeO2, the hardness and the fracture toughness increased from 1299 to 1710 HV30 and from 16.18 to 18.90 MPa m(1/2), respectively.
引用
收藏
页码:1916 / 1928
页数:13
相关论文
共 50 条
  • [1] Powder Extrusion Molding of Nanocrystalline WC-10Co Composite Cemented Carbide
    史晓亮
    JournalofWuhanUniversityofTechnology(MaterialsScienceEdition), 2006, (01) : 46 - 48
  • [2] Powder extrusion molding of nanocrystalline WC-10Co composite cemented carbide
    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
    J Wuhan Univ Technol Mater Sci Ed, 2006, 1 (46-48):
  • [3] Powder extrusion molding of nanocrystalline WC-10Co composite cemented carbide
    Shi, XL
    Shao, GQ
    Duan, XL
    Yuan, RZ
    JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 2006, 21 (01): : 46 - 48
  • [4] Research on ultrarine WC-10Co cemented carbide with high properties
    Shi Xiaoliang
    Yang Hua
    Shao Gangqin
    Duan Xinglong
    Xiong Zhen
    Zhang Weifeng
    JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 2006, 21 (04): : 154 - 157
  • [5] Research on ultrafine WC-10Co cemented carbide with high properties
    Shi X.
    Yang H.
    Shao G.
    Duan X.
    Xiong Z.
    Zhang W.
    J Wuhan Univ Technol Mater Sci Ed, 2006, 4 (154-157): : 154 - 157
  • [6] Effects of Processing Parameters on the Microstructure and Mechanical Properties of Nanoscaled WC-10Co Cemented Carbide
    Wang, Yu
    Xiang, Fengming
    Yuan, Xiaobo
    Yang, Biaobiao
    Wang, Fenglin
    Li, Yunping
    MATERIALS, 2022, 15 (13)
  • [7] Nanoindentation study of ultrafine WC-10Co cemented carbide
    Shi, XiaoLiang
    Yang, Hua
    Shao, Gangqin
    Duan, Xinglong
    Xiong, Zhen
    MATERIALS CHARACTERIZATION, 2008, 59 (04) : 374 - 379
  • [8] Preparation of WC-10Co cemented carbide by microwave sintering
    Shi, Xiao-Liang
    Yang, Hua
    Shao, Gang-Qin
    Duan, Xing-Long
    Xiong, Zhen
    Yi, Zhong-Lai
    Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology), 2006, 37 (04): : 665 - 669
  • [9] Effects of addition of ultrafine WC and fine WC/Coon microstructure and mechanical properties of WC-10Co cemented carbides
    Yu, Songbai
    Jiang, Haoli
    Min, Fanlu
    Zhang, Hailong
    Wang, Congxu
    Yao, Zhanhu
    Zhang, Jianfeng
    CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING, 2023, 51 (07): : 136 - 145
  • [10] Effects of (ZrHfNbTaTiMo)C addition on microstructure and mechanical properties of WC-10Co cemented carbides
    Deng, Xiao-Chun
    Zhang, Guo-Hua
    POWDER METALLURGY, 2025, 68 (01) : 41 - 52