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Advantages and disadvantages of metal powder metallurgy


 Powder metallurgy(PM)can realize less cutting and no cutting processing of workpieces. It is an advanced technology for manufacturing parts with high efficiency, high quality, precision, low consumption and energy saving. In the 1980s, many industries, especially the automobile industry, were more reliant on powder metallurgy technology than ever before. The use of powder metallurgy high-performance parts as much as possible is a way to improve the competitiveness of automobiles, especially cars in the market. powerful means.

What are the advantages and disadvantages of metal powder metallurgy product technology?


1. Most refractory metals and their compounds, pseudo-alloys, and porous materials can only be manufactured by powder metallurgy.

2. Since the powder metallurgy method can be pressed into the final size compact without or rarely need subsequent mechanical processing, it can greatly save metal and reduce product cost. When the product is manufactured by powder metallurgy, the loss of metal is only 1-5%, while the loss of metal may reach 80% when produced by the general melting and casting method.

3. Since the powder metallurgy process does not melt the material in the material production process, it is not afraid of mixing impurities brought by the crucible and deoxidizer, and the sintering is generally carried out in a vacuum and reducing atmosphere, not afraid of oxidation, and will not give the material. Any contamination, it is possible to produce high-purity material.

4. Powder metallurgy can ensure the correctness and uniformity of material composition ratio.

5. Powder metallurgy is suitable for the production of products with the same shape and a large number of products, especially gears and other products with high processing costs. Manufacturing by powder metallurgy can greatly reduce production costs.


1. Consider the size of the parts when there is no batch size.

2. The cost of the mold is relatively higher than that of the casting mold.