Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Identifying L605 surfaces that are contaminated with 17-4
March 2, 2010
I have a product that is manufactured using L605 (Haynes 25). We have 17-4 contamination in the form of agglomerations roughly .060" diameter. Our customer is only concerned about 17-4 on the surface, internal contamination is of little concern.
I'm looking for suggestions on a method to identify any surface connected contamination. My thoughts right now are along the lines of a corrosion test that would highlight the 17-4 but not affect the L605.
Any thoughts?
Engineer - Longmont, Colorado, USA
SEM with EDS or a micro spot XRF with mapping capability.
Terry Tomt- Auburn, Washington
March 4, 2010
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