Carbide with different ingredient ratios may have the following differences in hardness:
The effect of cobalt content on hardness and wear resistance: Generally speaking, the higher the cobalt content, the greater the hardness of the alloy and the better the wear resistance. This is because cobalt element can increase the strength, hardness and toughness of the alloy, while improving the corrosion resistance and wear resistance of the alloy. However, too high a cobalt content can also cause the alloy to become brittle, thereby reducing its toughness.
Effect of carbon content on hardness and wear resistance: Carbon element is one of the most important alloy elements in cemented carbide, and its content directly affects the hardness and wear resistance of the alloy. Generally speaking, the higher the carbon content, the harder the alloy and the better its wear resistance. However, too high carbon content will cause carbide segregation in the alloy and reduce the toughness of the alloy.
Effect of other alloying elements: In addition to cobalt and carbon elements, cemented carbide may also contain other alloying elements, such as titanium, zirconium, hafnium, etc. These elements can refine the grains of the alloy and improve its hardness and wear resistance. For example, the addition of titanium can form titanium carbide and titanium nitride, improving the hardness and wear resistance of the alloy.
In general, cemented carbide with different batch proportions may have differences in hardness, depending on the content and proportion of each element in the batch. Therefore, when producing cemented carbide, it is necessary to select the appropriate proportion of ingredients based on usage requirements and performance requirements.
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