The present invention relates to a molten metal apparatus comprising a composite material comprising wollastonite fibres embedded within a ceramic matrix. The wollastonite fibres are bonded to the ceramic matrix by a glassy bonding phase comprising a glass component comprising at least 80 wt% of oxides of calcium, ...

ABSTRACT “RISER TUBE” The present invention relates to a metal-composite riser tube comprising an metallic tube comprising an inner surface and an outer surface; and an inner composite tube fixedly disposed against the inner surface of the metallic tube. The inner composite tube includes a ceramic matrix which ...

The present invention relates to a composite material comprising wollastonite fibres embedded within a ceramic matrix. The wollastonite fibres are bonded to the ceramic matrix by a glassy bonding phase comprising a glass component comprising at least 80 wt% of oxides of calcium, silicon and aluminium. The material i...