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SUMMARY:Towards bi-treated glass - Marco Zaccaria
DTSTART:20150226T131000Z
DTEND:20150226T140000Z
UID:TALK58138@talks.cam.ac.uk
CONTACT:Evros Loukaides
DESCRIPTION:In recent years glass applications have achieved a high level 
 of structural complexity. Transparent roofs and staircases are just two ex
 amples of structures that not only require high strength\, but also reliab
 ility and redundancy.\n \nIn order to enhance its properties\, glass used 
 for challenging applications usually undergoes tempering and/or laminating
 . The latter improves post-fracture behaviour by retaining the glass fragm
 ents after failure\, whilst tempering\, which can be performed thermally o
 r chemically\, produces pre-compression in the glass surface which needs t
 o be exceeded before failure to occur.\n\nCurrently\, two of the main temp
 ered glasses are fully tempered glass (FTG) and chemically tempered glass 
 (CTG). They differ considerably in terms of strength and fragmentation. In
  particular CTG has a very high pre-compression (~550 MPa)\, but it breaks
  in large and dangerous fragments. Whilst FTG has a lower pre-compression 
 (120MPa)\, but it breaks in small and blunt fragments.\n\nThe aim of this 
 project is to combine on one panel the two tempering processes in order to
  obtain a novel glass with enhanced strength and fragmentation properties.
  The modelling of the process will be described as well as the results obt
 ained so far. \n\nThe product would find application in the field of archi
 tecture\, marine industry particularly when high strength as well as safe 
 behaviour is needed in a monolithic pane.\n
LOCATION:1 Newnham Terrace\, Darwin College
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