Method and composition for removing aluminide coatings from nick

Details Method and composition for removing aluminide coatings from nick Method and composition for removing aluminide coatings from nick

1981-06-03

1982-07-13

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 28, 134 41, 156665, 252 792, 252147, C23G 104, C23G 110

Patent

active

043392822

ABSTRACT:
Nickel aluminide and like coatings are stripped from nickel base superalloy substrates using a 60.degree.-71.degree. C. solution consisting essentially by volume percent of 43-48 nitric acid, 7-12 hydrochloric acid, balance water, and containing 0.008-0.025 mole/liter ferric chloride and at least 0.016 mole/liter copper sulfate. Coating removal is rapid while significant attack of the substrate is avoided.

REFERENCES:
patent: 2684892 (1954-07-01), Saulnier
patent: 3467599 (1969-09-01), Pugliarissi
patent: 3856694 (1974-12-01), Becking
patent: 3859149 (1975-01-01), Kay
patent: 4032359 (1977-06-01), Fisher et al.
patent: 4089736 (1978-05-01), Fisher et al.
patent: 4274908 (1981-06-01), Fishter et al.

Affiliated with

Also associated with

Rating

Method and composition for removing aluminide coatings from nick does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and composition for removing aluminide coatings from nick, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and composition for removing aluminide coatings from nick will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-202561