Advantages of Powder Metallurgy Process

2022-01-03   Pageview:698

Powder metallurgy technology has been commonly used in major parts manufacturing and processing enterprises, powder metallurgy materials are materials made directly from several metal powders or metal powders and non-metal powders without melting and casting, through formulation, press molding, sintering and post-treatment, etc.

1, powder metallurgy is suitable for the production of the same shape and a large number of products, especially gears and other products with high processing costs, the powder metallurgy method of manufacturing can greatly reduce production costs.

2, powder metallurgy can ensure the correctness and uniformity of the material composition ratio.

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

4, because the powder metallurgy process in the material production process does not melt the material, it is not afraid to mix the impurities brought by the crucible and deoxidizer, etc., and sintering is generally carried out in a vacuum and reducing atmosphere, not afraid of oxidation, and will not give the material any pollution, so it is possible to make high-purity materials.

5, because the powder metallurgy method can be pressed into the final size of the press billet, without or little need for subsequent mechanical processing, so it can greatly save metal, reduce product costs. When manufacturing products by powder metallurgical methods, the loss of metal is only 1-5%, while the loss of metal may reach 80% when produced by general melting and casting methods.

Tianshi NEW-0401 is a typical lubricant for powder metallurgy with the following advantages.

1.Effectively reduce the friction during powder compaction without affecting the strength of raw billets.

2. Flat and bright surface of workpiece after demoulding, and no black spot.

3. Complete decomposition in the sintering process, no residue, no pollution of the sintering furnace.

4. Reasonable and stable particle size distribution.

5. Small impact on powder fluidity, with certain anti-caking ability.

Suggested addition amount 0.5%-1%.


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