In addition to grain size, the impact resistance of cemented carbide is also affected by the following factors:
Alloy composition: Cemented carbide is an alloy composed of refractory metal hard compounds and bonding metals. Alloys with different compositions have different hardness and impact resistance. Generally speaking, the higher the cobalt content, the better the impact resistance of the alloy.
Cobalt layer thickness: In alloys with the same cobalt content, the cobalt layer thickness is also an important factor affecting impact resistance. Coarse-grained alloys have a thicker cobalt layer, which increases their ability to absorb impact loads, so they have stronger impact resistance.
Heat treatment: Heat treatment has a great influence on the impact resistance of cemented carbide. Proper heat treatment can improve the internal structure of the alloy and increase its hardness, thereby increasing its impact resistance.
Manufacturing process: The manufacturing process also affects the impact resistance of cemented carbide. Exquisite manufacturing technology can improve the accuracy and stability of the tool, making it more impact resistant.
Usage environment: Factors such as temperature, humidity, and pressure in the use environment will also affect the impact resistance of cemented carbide.
Therefore, in order to improve the impact resistance of cemented carbide, the above factors can be comprehensively considered and corresponding optimization measures can be taken.
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