Method for bonding a calcium phosphate coating to stainless steels and cobalt base alloys for bioactive fixation of artificial implants
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United States of America Patent
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Jan 9, 1996
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N/A
app pub date -
Apr 29, 1994
filing date -
Apr 29, 1994
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Expired
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Abstract
This document discloses a method for bonding a calcium phosphate coating to stainless steels or cobalt base alloys for bioactive fixation of artificial implants. The method consists essentially of the following successive steps: applying and thermally diffusing a layer of titanium or its alloys into the stainless steel or cobalt base alloy substrates, applying a calcium phosphate coating and thermally diffusing Ca.sup.2+ and PO.sub.4.sup.-3 ions of the calcium phosphate into the intermediate layer of the titanium or its alloys and finally, the hydrothermal processing of the calcium phosphate coating.
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