John Verrier
John's latest writings
Alumina and Zirconia crucibles
The link between metals and ceramics is a long one. Archaeologists have found evidence linking the use of ceramics to contain molten metal as far back as 6000BC. Ceramic containers (Crucibles) continue to be used to this day. Whereas the basic principals of casting have remained the same over the years, the technology has changed significantly. Methods of melting have changed with the advent of mains power although... (posted by John 2 years 204 days ago.)
The link between metals and ceramics is a long one. Archaeologists have found evidence linking the use of ceramics to contain molten metal as far back as 6000BC. Ceramic containers (Crucibles) continue to be used to this day. Whereas the basic principals of casting have remained the same over the years, the technology has changed significantly. Methods of melting have changed with the advent of mains power although... (posted by John 2 years 204 days ago.)
Thermal Shock In Industrial Ceramics
There are many reasons for thermal shock failure in industrial applications of ceramics. On analysis they usually come down to one or more of the following factors. Material selection Material processing Design of component Application/use of the product It is often possible to improve the performance by changing one or more of these but as with all ceramic applications thermal shock is only part of... (posted by John 3 years 126 days ago.)
There are many reasons for thermal shock failure in industrial applications of ceramics. On analysis they usually come down to one or more of the following factors. Material selection Material processing Design of component Application/use of the product It is often possible to improve the performance by changing one or more of these but as with all ceramic applications thermal shock is only part of... (posted by John 3 years 126 days ago.)
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