超细WC-Co硬质合金注射成形的研究进展

材料导报, 2012, 26(23): 99-119.

超细WC-Co硬质合金注射成形的研究进展

谢兴铖 ^1, , 林晨光 ^2, , 贾成厂 ^3, , 曹瑞军 ^4, , 林中坤 ^5,

1.北京有色金属研究总院粉末冶金及特种材料研究所,北京100088;北京科技大学材料科学与工程学院,北京100083

2.北京有色金属研究总院粉末冶金及特种材料研究所,北京100088

3.北京科技大学材料科学与工程学院,北京100083

4.北京有色金属研究总院粉末冶金及特种材料研究所,北京100088

5.北京有色金属研究总院粉末冶金及特种材料研究所,北京100088

基金项目: 国家自然科学基金(51101021)

关键词：粉末注射成形 , 超细硬质合金 , 碳含量 , 晶粒长大 , 尺寸精度

Research Progress in Injection Molding of Ultrafine-grained WC-Co Cemented Carbide

总结了近年来超细WC-Co硬质合金注射成形在原料粉末、粘结剂体系、混炼、注射成形、粘结剂脱除和烧结等方面的研究现状.讨论了不同脱脂方式的发展及其对碳含量的影响,重点阐述了控制晶粒长大、尺寸精度等关键技术存在的困难及解决途径.展望了超细WC-Co硬质合金注射成形技术的发展前景.

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材料期刊网

超细WC-Co硬质合金注射成形的研究进展

Research Progress in Injection Molding of Ultrafine-grained WC-Co Cemented Carbide

参考文献