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Glass-ceramic joining of Fe22Cr porous alloy to Crofer22APU: interfacial issues and mechanical properties
Abstract
This work deals with the joining of porous Fe22Cr ferritic stainless steel to a dense Crofer22APU plate by using a silica-based, Ba-containing glass-ceramic. The chemical and interfacial stability and the mechanical properties of the joints were evaluated before and after thermal ageing at 700 ◦C for 500hrs. The sintering behaviour of the glass was assessed by using heating stage microscopy (HSM) to study the influence of a porous metal substrate on the shrinkage of the joining material. Scanning electron microscopy revealed that there were no defects or cracks at the porous alloy/glass-ceramic interface for both the as-joined samples and the samples after thermal ageing at 700 ◦C for 500 h. However, at this exposure temperature, the porous alloy started to form an oxide scale at the interface with the glass-ceramic and the internal surface of the porous alloy. Finally, the evaluation of the mechanical properties by tensile testing showed that the properties were not affected by thermal ageing at 700 ◦C.
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Authors (8)
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Fabiana D'Isanto
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Milena Salvo
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Hassan Javed PhD
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Sufyan Akram
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Andreas Chrysanthou
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Federico Smeacetto Prof
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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CERAMICS INTERNATIONAL
no. 48,
pages 28519 - 28527,
ISSN: 0272-8842 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- D'Isanto F., Salvo M., Molin S., Koszelow D., Javed H., Akram S., Chrysanthou A., Smeacetto F.: Glass-ceramic joining of Fe22Cr porous alloy to Crofer22APU: interfacial issues and mechanical properties// CERAMICS INTERNATIONAL -Vol. 48,iss. 19 Part A (2022), s.28519-28527
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ceramint.2022.06.166
- Sources of funding:
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- Project Corrosion of Porous Alloys
- Verified by:
- Gdańsk University of Technology
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