Title: Manufacturing method of black zirconia ceramics
Application Number: 03129087 Application Date: 2003.06.16
Publication Number: 1566021 Publication Date: 2005.01.19
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C04B35/48,C04B35/64
Applicant(s) Name: Zhong Wei Address: 201901
Inventor(s) Name: Li Hongshu
Attorney & Agent: li gaodong
Abstract:
     The invention discloses a manufacturing method of black zirconia ceramics which comprises, processing zirconium oxide ceramic powder into work piece blank, subjecting the obtained zirconium oxide to de-waxing, degreasing or low-temperature biscuit firing treatment with no protective atmosphere, then subjecting the pretreated zirconium oxide plain blank work piece to high-sintering under vacuum condition, or filling argon, hydrogen into the evacuated furnace, and conducting high-sintering in protective atmosphere.
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