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Title: System and process for aluminization of metal-containing substrates

Patent ·
OSTI ID:1413231

A system and method are detailed for aluminizing surfaces of metallic substrates, parts, and components with a protective alumina layer in-situ. Aluminum (Al) foil sandwiched between the metallic components and a refractory material when heated in an oxidizing gas under a compression load at a selected temperature forms the protective alumina coating on the surface of the metallic components. The alumina coating minimizes evaporation of volatile metals from the metallic substrates, parts, and components in assembled devices that can degrade performance during operation at high temperature.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
Assignee:
BATTELLE MEMORIAL INSTITUTE (Richland, WA)
Patent Number(s):
9,840,780
Application Number:
14/871,551
OSTI ID:
1413231
Resource Relation:
Patent File Date: 2015 Sep 30
Country of Publication:
United States
Language:
English

References (2)

Method of Bonding Aluminum to Steel patent October 1949
Solid oxide fuel cell stack having an integral gas distribution manifold patent-application October 2007

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