特别是对于超细低钴硬质合金，WC晶粒将通过烧结颈产生异常长大。
Especially for superfine cemented carbide with low cobalt, crystalline grain unusually grows up through WC neck.
为实现性能优异、超细钴蓝的国产化提供了借鉴意义。
Reference significance is provided in order to produce homemade good superfine sized cobalt blue pigment.
本文研究了新型无钴易磨削超硬高速钢g 105钢的性能，并对钴对高谴钢的一些性能的影响作了探讨。
A new type of cobalt-free super high speed steel with good grindability G105 has been developed, and the effect of cobalt on some properties of high speed steels was discussed.
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