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Title:
MACHINABLE GLASS CERAMIC AND PROCESS FOR PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JP2007031269
Kind Code:
A
Abstract:

To provide a machinable glass ceramic which is excellent in free-machining property and various physical properties.

A machinable glass ceramic comprising a glass matrix having substantially crystals of fluorophlogopite dispersed therein, the average size in the lengthwise direction of the fluor-phlogopite crystals being less than 5 μm. The machinable glass ceramic having such constitution can be produced by shaping a glassy powder containing at least Si, Al, Mg, K, F and O, and defatting and firing the shaped product at 1,000 to 1,100°C.


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Inventors:
SHIMADA SHOGO
IDE TAKAYUKI
KIYOHARA MASAKATSU
MATSUMOTO AKIO
Application Number:
JP2006171079A
Publication Date:
February 08, 2007
Filing Date:
June 21, 2006
Export Citation:
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Assignee:
TOTO LTD
International Classes:
C04B35/16
Domestic Patent References:
JP2002154842A2002-05-28
Attorney, Agent or Firm:
Yu Koyama



 
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