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FAQ
What kind of cemented carbide is used as cutting tools?
The material of cemented carbide to be selected depends on the workpiece and its thickness, etc. In general, for use as a cutting tool, ultrafine grain cemented carbide, which consists of ultrafine tungsten carbide (WC) particles, is often selected to increase cutting ability and to prevent chipping.
Q&A in the same category in this question
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What are the weaknesses of cemented carbides?
Compared to general iron alloys, cemented carbide has lower toughness, which may cause chipping or peeling of the cutting edge.
In addition, as the relative density is about twice that of iron, the heavier weight of cemented carbide may be a disadvantage. -
What causes cemented carbide to crack?
Compared to metal materials, cemented carbide materials have a different thermal expansion coefficient. For this reason, cracks may occur in shrink/cooling-fitted products when the operating temperature is significantly higher (lower) than the designed value. When using cemented carbides with high hardness, problems such as cracking may occur by high impact, so the required fracture toughness value should also be carefully considered.
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What is the difference between cemented carbide and HSS?
Cemented carbide is an alloy with high hardness, heat resistance and strength. HSS, on the other hand, generally has relatively lower strength and heat resistance, but has higher impact resistance.
As their raw materials and manufacturing methods differ, there is a significant difference in costs between the two materials.
Selecting the suitable material is recommended though considering the application and the timing of replacement after installation.
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