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- Title
Mechanical Characterization of BSCF, a Prospective Perovskite Material for Oxygen Separation Membrane: A Brief Review.
- Authors
Sikder, Bablu; Chanda, Abhijit
- Abstract
Ba0.5Sr0.5Co0.8Fe0.2O3-d (BSCF) is a mixed ionic electronic conducting membrane (MIEC) material which can be used for the separation of oxygen from air in both coal gasification and oxy-fuel power plants. It shows the best oxygen separation performance at elevated temperatures (>800 °C). In this review paper, its mechanical behavior over a wide range of temperature is addressed. From the studies done so far, it is evident that BSCF shows a unique pattern in the temperature dependence of fracture toughness and Young's modulus. It poses a problem from the view point of structural stability of oxygen separation membrane, particularly during start-up period or thermal cycling. Number of possible explanations have been put forward in recent past but most of them are speculative in nature and lacks in experimental support.
- Subjects
POWER plants; COAL gasification
- Publication
Advanced Engineering Materials, 2016, Vol 18, Issue 9, p1529
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.201600199