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Carburization resistance of cu-coated stainless steel in supercritical carbon dioxide environments

Journal Article · · Corrosion Science
 [1];  [2];  [1];  [1];  [1]
  1. Univ. of Wisconsin, Madison, WI (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

This study investigates the effectiveness of Cu as a corrosion barrier in supercritical carbon dioxide (s-CO2) by coating 316 stainless steel (316) with various thicknesses of Cu. In this work, 316 exposed to s-CO2 with 50 ppm CO showed a reduction in oxidation corresponding to the thickness of its Cu barrier coating. Additionally, a continuous Cu layer between the environment and the alloy was found to correlate to an elimination of carburization and corrosion-related mechanical degradation. This Cu coating technique could be applied over a variety of temperatures to improve the corrosion resistance of alloys that are susceptible to carburization.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000; EE0007120; NA0003525
OSTI ID:
1773288
Alternate ID(s):
OSTI ID: 1616220
Report Number(s):
SAND--2021-3482J; 695003
Journal Information:
Corrosion Science, Journal Name: Corrosion Science Vol. 169; ISSN 0010-938X
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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