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Meeting Materials Science & Technology 2020
Symposium Innovations in Refractory Ceramic Technology for Iron and Steel Applications
Presentation Title Aging of Refractory Castables
Author(s) Joshua Sayre, Margaret Raughley, Jeffrey Bogan
On-Site Speaker (Planned) Joshua Sayre
Abstract Scope Refractory castables are susceptible to degradation of the hydraulic binders and superplasticizers over time. The hydroscopic nature of these materials makes them prone to deterioration before use when exposed to environmental moisture either through extended storage or humidity. The flow, set time and physical properties can all be negatively impacted as castables age. The degradation in these properties can cause installation and potentially service performance problems. There are several measures that can be taken to minimize the effects of aging including controlling raw materials, product design, packaging and storage. Both real-time and accelerated aging tests will demonstrate the variables of aging. Different binder types will be compared for their effect on shelf life stability. The effect of paper versus plastic packaging and the proper storage conditions will be reviewed.
Proceedings Inclusion? Planned: Publication outside of MS&T

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Aging of Refractory Castables
New Refractory Solutions: Supporting Induction Melting Manufacturing Challenges
Refractory Developments for BOF and Furnace Taphole Applications

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