Corrosion of Ti 6 Al 4 V
Corrosion of Ti 6 Al 4 V
(OP)
We have a customer concerned about the corrosion resistance of Ti64, and would like to run some corrosion tests, such as ASTM B117. Does anyone know what a typical time to corrode for Ti64 is in an ASTM B117 test? How long does it take if it is Tiodized (alkaline anodized)?
Jim Treglio





RE: Corrosion of Ti 6 Al 4 V
http://www.timet.com/pdfs/corrosion.pdf
Ti-6Al-4V should not corrode in a salt spray (fog) test such as ASTM B 117, unless there are many crevices, galvanically unfavorable couples, etc., or at least not in any reasonable amount of time.
RE: Corrosion of Ti 6 Al 4 V
RE: Corrosion of Ti 6 Al 4 V
In general I concur with the statements above that Ti alloys are generally immune to most forms of corrosion i most environments. There are always exceptions, of course, but these "exceptions" are not what standardized tests are meant to assess.
RE: Corrosion of Ti 6 Al 4 V
Jim Treglio
RE: Corrosion of Ti 6 Al 4 V
If you check out the various data books, you'll see terms such as "immume" and "nil" in seawater corrosion tests.