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Degreasing powder metallurgy injection molding what factors influence?

Categories: FAQStars: 3StarsVisit: -Release time: 2015-11-13 16:04:00
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Powder metallurgy injection molding

Sintered metal injection molding process factors metallurgy factory ZCMIM talked about the impact injection molding, it is concerned about the impact of skim what factors?http://www.zcmim.com/


Now often used in powder metallurgy injection molding and thermal degreasing solvent degreasing method of combining. Its advantages are the following:

(1) reduces the degreasing time

The rational design of solvent degreasing temperature and heating rate and thermal degreasing degreasing sintering equipment to ensure good temperature stability and uniformity, to avoid injecting the sample defects in this process. Numerous studies show that the key to success lies in the thermal degreasing degreasing temperature control at a low temperature phase (150 ~ 350 ) low temperature (1 / min), avoid specimen deformation or other defects.

 

(2) reduce the carbon content of the sintered samples

Since the binder, mostly hydrocarbons, degreasing and sintering during the introduction of large amounts of carbon, affects the mechanical properties and dimensional stability, and when using solvent degreasing and thermal degreasing method of combining the carbon content should be below the thermal degreasing Methods.

 

 (3) to reduce defects that occur during degreasing

 For example, paraffin-based binder, since the paraffin melting temperature range is narrow, often by solvent degreasing and thermal degreasing method of combining most of paraffin by solvent degreasing off, leaving open pores thermal degreasing, adhesive residues off through the air vent, to avoid sample cracks. 

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