ATE97644T1 - COMPOSITIONS OF ALUMINUM OXIDE-ZIRCONIA-SILICON CARBIDE CONTAINING MAGNESIUM OXIDE AND CUTTING TOOLS. - Google Patents

COMPOSITIONS OF ALUMINUM OXIDE-ZIRCONIA-SILICON CARBIDE CONTAINING MAGNESIUM OXIDE AND CUTTING TOOLS.

Info

Publication number
ATE97644T1
ATE97644T1 AT89912753T AT89912753T ATE97644T1 AT E97644 T1 ATE97644 T1 AT E97644T1 AT 89912753 T AT89912753 T AT 89912753T AT 89912753 T AT89912753 T AT 89912753T AT E97644 T1 ATE97644 T1 AT E97644T1
Authority
AT
Austria
Prior art keywords
zirconia
compositions
silicon carbide
cutting tools
containing magnesium
Prior art date
Application number
AT89912753T
Other languages
German (de)
Inventor
Pankaj Kumar Mehrotra
Elizabeth R Billman
Original Assignee
Kennametal Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/266,721 external-priority patent/US4959331A/en
Priority claimed from US07/266,735 external-priority patent/US4965231A/en
Application filed by Kennametal Inc filed Critical Kennametal Inc
Priority claimed from EP89912753A external-priority patent/EP0449844B1/en
Application granted granted Critical
Publication of ATE97644T1 publication Critical patent/ATE97644T1/en

Links

AT89912753T 1988-11-03 1989-10-13 COMPOSITIONS OF ALUMINUM OXIDE-ZIRCONIA-SILICON CARBIDE CONTAINING MAGNESIUM OXIDE AND CUTTING TOOLS. ATE97644T1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/266,721 US4959331A (en) 1988-11-03 1988-11-03 Alumina-zirconia-silicon carbide-magnesia cutting tools
US07/266,735 US4965231A (en) 1988-11-03 1988-11-03 Alumina-zirconia-silicon carbide-magnesia compositions and articles made therefrom
EP89912753A EP0449844B1 (en) 1988-11-03 1989-10-13 Alumina-zirconia-silicon carbide-magnesia compositions and cutting tools
PCT/US1989/004610 WO1990005119A1 (en) 1988-11-03 1989-10-13 Alumina-zirconia-silicon carbide-magnesia compositions and cutting tools

Publications (1)

Publication Number Publication Date
ATE97644T1 true ATE97644T1 (en) 1993-12-15

Family

ID=27441905

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89912753T ATE97644T1 (en) 1988-11-03 1989-10-13 COMPOSITIONS OF ALUMINUM OXIDE-ZIRCONIA-SILICON CARBIDE CONTAINING MAGNESIUM OXIDE AND CUTTING TOOLS.

Country Status (1)

Country Link
AT (1) ATE97644T1 (en)

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee