Binders have an important impact on the extrusion of cemented carbide rods, mainly in the following aspects:
Improve Powder Flow And Dispersion
During the mixing process, the binder must be fully integrated with the powder to ensure excellent flow properties. This helps bind the powder particles together to form a complete carbide compact.
Enhance Material Strength And Toughness
The addition of binder can increase the strength and toughness of cemented carbide rods. They can fill the gaps between powder particles during the pressing process to form a continuous bonding layer, thus improving the overall performance of the material.
Control The Molding Process
The addition of binder can improve the plasticity and fluidity of cemented carbide rod extrusion. During the pressing process, the binder can effectively transfer pressure, making it easier for the material to fill all corners of the mold, thereby reducing the difficulty of molding.
Degreasing Process
During the extrusion process, the binder needs to be fully integrated with the powder and removed together during the degreasing process. This helps ensure the density and performance of carbide rods. If the binder is improperly selected or added in an unreasonable amount, it may affect the degreasing effect, thereby affecting the quality and performance of the product.
Binder plays a very important role in the extrusion process of cemented carbide rods. They can improve the fluidity and dispersion of powders, enhance the strength and toughness of materials, and control the molding process and degreasing process, thus directly affecting the quality and performance of the final product. Therefore, in the cemented carbide manufacturing process, it is necessary to select a suitable binder and carry out a reasonable ratio to ensure the smooth progress of extrusion molding and the high quality of the product.
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