섬유

fabrication of surface treated y-tzp thick films with al/sub 2/o/sub 3/ layers by slip casting

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 369
a fabrication process of multilayer thick films was discussed the film, consists of a three-layered structure, was stacked with protective layers of al/sub 2/o/sub 3/ against vapor attack on both sides of y-tzp layer. slip casting method was used to form a multi-layer green body. the thickness of each layer in the green body was controlled on the basis of casting data which was calculated for al/sub 2/o/sub 3/ and y-tzp slips. to avoid fracture during in an ambient atmosphere, it was important to minimize differences in permeability and pore size between al/sub 2/o/sub 3/ and y-tzp layers. no cracking was observed in a multilayer-sintered body, when a densification rate of each layer in the early stage of sintering was equal. the dense multilayer thick film was obtained by firing at 1600 degrees c for 2 h
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