采用复合变质方法，开发工艺简单、成本低的钨渣合金铸铁磨球是一种有效的途径，其材质性能可以满足使用的要求。
Manufacturing of alloy cast iron grinding ball by means of composite modification of tungsten slag is a feasible way due to its simple process, low cost and good product quality.
结果表明，变质处理后钨合金白口铸铁的微观组织中碳化物网络断裂，其抗冲击韧性和耐磨损性能显著提高。
The results show that the carbide networks in microstructure tend to break, and fracture toughness and wear-resisting properties of the alloy were improved.
研究了稀土处理对钨合金白口铸铁组织、机械性能和耐磨性的影响。
The effects of RE elements on the structures, mechanical properties and wear resistance have been investigated.
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