A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
TRANSLUCENT ZIRCONIA SINTERED BODY, METHOD FOR MANUFACTURING SAME, AND USE THEREOF
Provided is a zirconia sintered body having both high translucency and high strength. The zirconia sintered body includes crystal grains that include a cubic domain and a tetragonal domain, wherein a stabilizer and lanthanum is dissolved as a solid solution therein. The sintered body can be obtained by a manufacturing method including: a mixing step of obtaining a mixed powder by mixing a zirconia source, a stabilizer source, and a lanthanum source; a molding step of obtaining a green body by molding the obtained mixed powder; a sintering step of obtaining a sintered body by sintering the obtained green body at a sintering temperature of 1650° C. or higher; and a temperature lowering step of lowering the temperature from the sintering temperature to 1000° C. at a temperature lowering rate exceeding 1° C./min.
TRANSLUCENT ZIRCONIA SINTERED BODY, METHOD FOR MANUFACTURING SAME, AND USE THEREOF
Provided is a zirconia sintered body having both high translucency and high strength. The zirconia sintered body includes crystal grains that include a cubic domain and a tetragonal domain, wherein a stabilizer and lanthanum is dissolved as a solid solution therein. The sintered body can be obtained by a manufacturing method including: a mixing step of obtaining a mixed powder by mixing a zirconia source, a stabilizer source, and a lanthanum source; a molding step of obtaining a green body by molding the obtained mixed powder; a sintering step of obtaining a sintered body by sintering the obtained green body at a sintering temperature of 1650° C. or higher; and a temperature lowering step of lowering the temperature from the sintering temperature to 1000° C. at a temperature lowering rate exceeding 1° C./min.
TRANSLUCENT ZIRCONIA SINTERED BODY, METHOD FOR MANUFACTURING SAME, AND USE THEREOF
YAMASHITA ISAO (author) / MACHIDA YUYA (author)
2017-12-07
Patent
Electronic Resource
English
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