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Properties of Borided Cemented Carbides with Various Binders

机译：各种粘合剂的硼化碳酸碳化物的性质

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This paper explores the thermochemical treatment of cemented carbides (CC), specifically the bonding process. Six different types of CCs with different size of tungsten carbide (TC) grains were chosen as experimental materials. They contained binders of different chemical compositions. In five CCs, the binders were pure metals: cobalt (four of them) and nickel (one of them). In the six one, the binder was a complex Ni-Co-Cr-based alloy. Samples of the different types of CCs were prepared by grinding and polishing and then half of them underwent boriding process. The experiment aimed to find how boriding affects the final properties of CCs and their structure. Microstructural changes in the materials were examined using X-ray diffraction and optical and electron microscopy. Changes in mechanical properties and wear resistance were evaluated using hardness testing and the Ball on Disk test. The experimental results, for example, shown that CC with nickel binder had lowest wear resistance from all tested sorts of CC.
机译：本文探讨了粘合碳化物（CC）的热化学处理，特别是粘合过程。选择具有不同大小的碳化钨（TC）晶粒的六种不同类型的CCS作为实验材料。它们含有不同化学组成的粘合剂。在五种CCS中，粘合剂是纯金属：钴（其中四个）和镍（其中一体）。在六个中，粘合剂是一种复杂的Ni-CC-Cr基合金。通过研磨和抛光制备不同类型的CCS样品，然后在其中一半进行硼化过程。实验旨在找到鲍尔格如何影响CCS及其结构的最终性质。使用X射线衍射和光学和电子显微镜检查材料的微观结构变化。使用硬度测试和磁盘测试的球评估机械性能和耐磨性的变化。例如，实验结果表明，具有镍粘合剂的CC具有来自所有测试的CC的最低耐磨性。

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