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IBC has developed diffusion coating technologies,
materials and equipment for improvement of wear and corrosion
resistance of technological equipment.
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The diffusion treatment may be applied to a wide range
of steels, cast irons, and nickel based alloys.
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The achieved diffusion coating is an integrated part
of the base material with new properties. There are no considerable
changes of dimensions of the treated parts and no need for final or
additional machining after the treatment.
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The depth of the diffusion layer may be in the range
of 0.0004" - 0.01".
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The treatment is performed by immersing the parts in
to high temperature molten salt bath or by packing into container
with powder composition and holding for a certain period of time at a
certain temperature.
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The temperature range of the process varies from 1000
to 2000o F.
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The time of diffusion process depends on the desired
thickness of the layer, the type of the treated material, the coating, and may
be from a few minutes to a few hours.
The following diffusion coatings have been developed:
The coatings have the following characteristics:
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High hardness (HV 1200-3300)
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High density
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Excellent bond with the substrate
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Small coefficient of friction
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Very good resistance to high
temperature and corrosion
The coatings can substitute frequently used processes
of Hard Chrome Plating, extending the life cycle of the coated
products by a factor of 3 to 100 times.
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