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Development of the Solder Glass Paste with TiO2 additive in glass – to – Metal Sealing process | ||
| Diyala Journal For Pure Science | ||
| Article 1, Volume 9, Issue 3, 2013, Pages 112-128 | ||
| Author | ||
| Mazin K. Mustafa | ||
| Abstract | ||
| Solder glass paste developing by adding Titanium dioxide ( TiO2 ) to the paste compilation, which used in metallic rods sealing with quartz tubes . This kind of sealing is used in a lot of industrial applications such as : the flash lamps that required special fabrication conditions , thermal probes and many others . The paste was used as intermediate substance between the quartz glass tube surface and the surface of the metallic Tungsten ( W ) rod . The sealing temperature range was ( 410 – 520 oC ) and the best result been in ( 470 oC ) . The grain size of ( TiO2 ) powder was ( 60 micron ) . The samples were tested in a high vacuum system with controlled heating unite . many of the samples that passed successfully in different tests were used in practical system ; Xe flash lamp , Ion Argon laser and high sensitive thermal probes which insured their efficiency in operation process . The different conditions of sealing process were studied to get best results , such conditions ; samples cleaning before sealing , oxidation effects during sealing process and annealing of samples after sealing process . This research showed the effect of adding Titanium dioxide ( TiO2 ) to the glass solder paste which improve the mechanical and thermal properties . Good efficiency of the developed solder glass paste encourage to use it in many gas laser systems . | ||
| Keywords | ||
| Solder glass; Glass to metal sealing; Titanium dioxide | ||
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