徐登强,李惠琪,李敏,王淑峰,迟静

• 1:山东科技大学材料科学与工程学院

摘要(Abstract)：

研究了YG-11C硬质合金在900、950、1000℃下加热的氧化行为,并测试了在钎焊过程中受氧化的硬质合金刀头性能。结果表明,硬质合金在900℃以上加热10 min发生氧化,硬质相WC和粘结相Co被氧化成WO3和Co WO4;氧化后的硬质合金发生变形及增重,随温度升高,氧化现象更严重,变形增重更明显;高温钎焊后的硬质合金刀头表面氧化后,微观组织变得疏松多孔,硬度及耐磨性明显降低。

关键词(KeyWords)： 硬质合金;钎焊;氧化;组织;性能

Abstract:

Keywords:

基金项目(Foundation): 青岛市科技发展计划项目(12-1-4-6-(4)-jch)

作者(Author): 徐登强,李惠琪,李敏,王淑峰,迟静

DOI: 10.13289/j.issn.1009-6264.2015.01.016

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