GB2032414B - Oxidation resistant silicon nitride containing rare earth oxide - Google Patents

Oxidation resistant silicon nitride containing rare earth oxide

Info

Publication number
GB2032414B
GB2032414B GB7932447A GB7932447A GB2032414B GB 2032414 B GB2032414 B GB 2032414B GB 7932447 A GB7932447 A GB 7932447A GB 7932447 A GB7932447 A GB 7932447A GB 2032414 B GB2032414 B GB 2032414B
Authority
GB
United Kingdom
Prior art keywords
silicon nitride
rare earth
earth oxide
oxidation resistant
containing rare
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7932447A
Other versions
GB2032414A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Verizon Laboratories Inc
Original Assignee
GTE Laboratories 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
Application filed by GTE Laboratories Inc filed Critical GTE Laboratories Inc
Publication of GB2032414A publication Critical patent/GB2032414A/en
Application granted granted Critical
Publication of GB2032414B publication Critical patent/GB2032414B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
GB7932447A 1978-09-20 1979-09-19 Oxidation resistant silicon nitride containing rare earth oxide Expired GB2032414B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94451578A 1978-09-20 1978-09-20

Publications (2)

Publication Number Publication Date
GB2032414A GB2032414A (en) 1980-05-08
GB2032414B true GB2032414B (en) 1982-11-17

Family

ID=25481551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7932447A Expired GB2032414B (en) 1978-09-20 1979-09-19 Oxidation resistant silicon nitride containing rare earth oxide

Country Status (5)

Country Link
JP (1) JPS5542295A (en)
CA (1) CA1123862A (en)
DE (1) DE2937740A1 (en)
FR (1) FR2436764B1 (en)
GB (1) GB2032414B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383958A (en) * 1981-12-21 1983-05-17 Gte Laboratories Incorporated Method of producing dense silicon nitride ceramic articles having controlled surface layer composition
US4400427A (en) * 1981-12-21 1983-08-23 Gte Laboratories Incorporated Sintered silicon nitride ceramic articles having surface layers of controlled composition
EP0107919A1 (en) * 1982-10-01 1984-05-09 The British Ceramic Research Association Limited Silicon nitride ceramic bodies
JPS59169980A (en) * 1983-03-17 1984-09-26 フオ−ド・モ−タ−・カンパニ− Silicon nitride containing single body and manufacture
JPS62207765A (en) * 1986-03-06 1987-09-12 日本碍子株式会社 Silicon nitride sintered body
DE3709137A1 (en) * 1986-03-28 1987-10-15 Ngk Insulators Ltd SILICON NITRIDE SINTER BODY, METHOD FOR THEIR PRODUCTION AND SILICON NITRIDE POWDER
DE3744692C2 (en) * 1986-03-28 1995-03-09 Ngk Insulators Ltd Silicon nitride powder and process for its preparation
US5292489A (en) * 1991-06-24 1994-03-08 Alliedsignal Inc. Ternary silicon-rare earth nitrides and process for their preparation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830652A (en) * 1973-06-28 1974-08-20 Us Army Hot pressed, high strength silicon nitride
GB1482465A (en) * 1974-06-20 1977-08-10 Lucas Ltd Joseph Method of producing a sintered ceramic product
JPS566392B2 (en) * 1974-04-01 1981-02-10
JPS56388B2 (en) * 1974-06-28 1981-01-07
JPS5628865B2 (en) * 1974-07-05 1981-07-04
US4073845A (en) * 1976-01-29 1978-02-14 Gte Sylvania Incorporated High density high strength S13 N4 ceramics prepared by pressureless sintering of partly crystalline, partly amorphous S13 N4 powder
US4102698A (en) * 1976-11-23 1978-07-25 Westinghouse Electric Corp. Silicon nitride compositions in the Si3 N4 -Y2 O3 -SiO2 system
JPS6016387B2 (en) * 1977-03-25 1985-04-25 株式会社東芝 Method for manufacturing heat-resistant materials
EP0009859B1 (en) * 1978-05-31 1984-11-21 Ford Motor Company Limited Ceramic cutting tool composition, method of its manufacture and its use in machining cast iron
JPS5532785A (en) * 1978-05-31 1980-03-07 Ford Motor Co Si3n44y2033si02 ceramic cutting tool useful for cast iron cutting work and its manufacture

Also Published As

Publication number Publication date
DE2937740A1 (en) 1980-04-03
FR2436764B1 (en) 1990-08-24
JPS5542295A (en) 1980-03-25
GB2032414A (en) 1980-05-08
CA1123862A (en) 1982-05-18
FR2436764A1 (en) 1980-04-18
DE2937740C2 (en) 1987-10-08

Similar Documents

Publication Publication Date Title
GB2035981B (en) Silicon nitride-based sintering composition
JPS5759330A (en) Silicon structure
EP0245622A3 (en) Trench sidewall isolation by polysilicon oxidation
JPS5567519A (en) Purifying silicon
JPS5497614A (en) Sintering of silicon nitride formed body
GB2038548B (en) Isolating semiconductor device by porous silicon oxide
GB2063302B (en) Sintered silicon nitride
JPS54129000A (en) Separation of rare earth elements
GB2025238B (en) Prosthetic devices comprising silicon nitride
GB2032414B (en) Oxidation resistant silicon nitride containing rare earth oxide
JPS5552379A (en) Silicon etching liquid
DE2966700D1 (en) High strength silicon nitride
GB2038549B (en) Ptc devices having oxygen barrier encapsulation
GB2105316B (en) Porous silicon nitride
JPS573771A (en) High density silicon nitride oxide
JPS5551766A (en) Manufacture of silicon nitride sintered body
JPS553396A (en) Silicon carbideealuminum nitride sintered product and its manugacture
JPS5315430A (en) Bactericide containing triorganotin compound of hydroxydiazenium oxide
GB2015978B (en) Rare earth chromites
IL53913A0 (en) Electrical slip ring assembly
JPS5518997A (en) Preliminarily indicating silicon nitride life
GB2023563B (en) Pure magnesium oxide
JPS54107913A (en) Productuon of silicon nitride sintered body
JPS54125499A (en) Reduction type semiconductor porcelain composition
JPS5595679A (en) Silicon nitride sintered body

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940919