Analysis of Trace Amounts of Emitted Gases during Fracture of High-Purity Alumina under Ultrahigh Vacuum. Effects of Sintering Atmosphere and Sintering Time on Gas Emission Behavior.
Abstract:The effects of sintering atmosphere and sintering time on gas emission behavior during fracture of high purity Al2O3 were investigated under ultrahigh vacuum using a mass spectrometer to examine the behavior of gases in the material. The gas in the sintering atmosphere was predominantly emitted at the moment of fracture for all specimens. The total amount of gas emitted from a specimen sintered in O2 was less than that of a specimen sintered in air or Ar, showing that the mobility of O2 in the material was muc… Show more
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