本文研究了纯钨、钨加镍、钨加钴以及钨加镍钴的低温烧结特性,用两种不同的方法计算其活化能,并对钨加镍钴的活化烧结机理进行了探讨。实验数据表明,钴的添加并未改变钨加镍活化烧结机理——晶界扩散。镍、钴的共同加入对钨的烧结有协同活化作用,比单独加镍或钴的效果好。 In this paper, the low temperature sintering characteristics of pure tungsten, tungsten plus nickel, tungsten plus cobalt and tungsten plus nickel and cobalt were studied. The activation energy was calculated by two different methods and the activation sintering mechanism of nickel plus cobalt was discussed. Experimental data show that the addition of cobalt did not change the tungsten-nickel activation sintering mechanism - grain boundary diffusion. The co-addition of nickel and cobalt has a synergistic activation on the sintering of tungsten, which is better than adding nickel or cobalt alone.