Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Need Invar 36 with better Temperal Stability

Is there a recognised specification for Invar which will give a product that gives temperal stability better than 2 ppm per year after heat treatment? Is there anyone who stocks and/or supplies this grade of Invar?

Julie Everett
Satellite manufacture - Chilsehurst, Kent, UK
2003

Sorry, Julie: I, for one, don't understand the question. Hopefully another reader will.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

There is a non-commercial article that might be of use to you, at the internet (not web) address http://crswnew.cartech.com/wnew/TechArticles/TA00011.html

Bill Reynolds [deceased]
consultant metallurgist - Ballarat, Victoria, Australia
We sadly relate the news that Bill passed away on Jan. 29, 2010.
2003

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