FR2255131A1 - - Google Patents

Info

Publication number
FR2255131A1
FR2255131A1 FR7441470A FR7441470A FR2255131A1 FR 2255131 A1 FR2255131 A1 FR 2255131A1 FR 7441470 A FR7441470 A FR 7441470A FR 7441470 A FR7441470 A FR 7441470A FR 2255131 A1 FR2255131 A1 FR 2255131A1
Authority
FR
France
Prior art keywords
elements
silicon nitride
shape
nitrided
held
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.)
Granted
Application number
FR7441470A
Other languages
English (en)
Other versions
FR2255131B1 (fr
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.)
Ford France SA
Original Assignee
Ford France SA
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 Ford France SA filed Critical Ford France SA
Publication of FR2255131A1 publication Critical patent/FR2255131A1/fr
Application granted granted Critical
Publication of FR2255131B1 publication Critical patent/FR2255131B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/284—Selection of ceramic materials
    • 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
    • C04B35/591—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 reaction sintering
    • 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
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • 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
    • C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
    • C04B37/001—Joining burned ceramic articles with other burned ceramic articles or other articles by heating directly with other burned ceramic articles
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/36—Non-oxidic
    • C04B2237/368—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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/58—Forming a gradient in composition or in properties across the laminate or the joined articles
    • C04B2237/586—Forming a gradient in composition or in properties across the laminate or the joined articles by joining layers or articles of the same composition but having different densities
    • 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
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/76—Forming laminates or joined articles comprising at least one member in the form other than a sheet or disc, e.g. two tubes or a tube and a sheet or disc
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Products (AREA)
  • Laminated Bodies (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR7441470A 1973-12-20 1974-12-17 Expired FR2255131B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00426834A US3854189A (en) 1973-12-20 1973-12-20 Method of making a bonded silicon nitride article having portions of different density

Publications (2)

Publication Number Publication Date
FR2255131A1 true FR2255131A1 (fr) 1975-07-18
FR2255131B1 FR2255131B1 (fr) 1977-07-08

Family

ID=23692396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441470A Expired FR2255131B1 (fr) 1973-12-20 1974-12-17

Country Status (9)

Country Link
US (1) US3854189A (fr)
JP (1) JPS5338722B2 (fr)
AU (1) AU470218B2 (fr)
CA (1) CA1028131A (fr)
DE (1) DE2458690A1 (fr)
FR (1) FR2255131B1 (fr)
GB (1) GB1482435A (fr)
IT (1) IT1023459B (fr)
SE (1) SE412901B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966885A (en) * 1968-08-29 1976-06-29 National Research Development Corporation Methods and materials for joining silicon powder structures
GB1485411A (en) * 1974-02-09 1977-09-14 Rolls Royce Turbine discs and blades for gas turbine engines
US3885294A (en) * 1974-04-03 1975-05-27 Ford Motor Co Method of making a bonded silicon nitride article having portions of different density
US4011295A (en) * 1974-10-07 1977-03-08 The Garrett Corporation Ceramic rotor for gas turbine engine
US4362471A (en) * 1974-11-29 1982-12-07 Volkswagenwerk Aktiengesellschaft Article, such as a turbine rotor and blade which comprises a first zone of a nonoxide ceramic material and a second zone of a softer material
DE2505652C2 (de) * 1975-02-11 1977-03-24 Motoren Turbinen Union Verfahren zur Herstellung eines Turbinenrades
US4097276A (en) * 1975-07-17 1978-06-27 The Garrett Corporation Low cost, high temperature turbine wheel and method of making the same
US4156051A (en) * 1975-11-10 1979-05-22 Tokyo Shibaura Electric Co., Ltd. Composite ceramic articles
US4172107A (en) * 1975-11-10 1979-10-23 Tokyo Shibaura Electric Co., Ltd. Method of manufacturing composite ceramic articles
US4017319A (en) * 1976-01-06 1977-04-12 General Electric Company Si3 N4 formed by nitridation of sintered silicon compact containing boron
US4122140A (en) * 1977-01-03 1978-10-24 General Electric Company Hot pressing of silicon nitride using beryllium additive
US4093687A (en) * 1977-01-03 1978-06-06 General Electric Company Hot pressing of silicon nitride using magnesium silicide
US4310477A (en) * 1977-03-25 1982-01-12 Ford Motor Company Method of making a silicon nitride part
US4230651A (en) * 1977-07-18 1980-10-28 Ford Motor Company Method of fabricating a heat exchanger for Stirling engine
US4324356A (en) * 1979-03-29 1982-04-13 Ford Motor Company Process for joining silicon nitride based ceramic bodies
US4252860A (en) * 1979-07-02 1981-02-24 United Technologies Corporation Method of increasing impact strength of silicon nitride
JPS595550B2 (ja) * 1980-11-20 1984-02-06 日本碍子株式会社 セラミツクロ−タ−及びその製造法
JPS59108801A (ja) * 1982-12-13 1984-06-23 Ngk Insulators Ltd ラジアル型セラミツクロ−タ−およびその製造法
JPS6186211A (ja) * 1984-10-04 1986-05-01 日本碍子株式会社 セラミックス複合構造体及びその製造法
GB2198667B (en) * 1986-12-20 1991-08-07 Refurbished Turbine Components Parts for and methods of repairing machines
US9068464B2 (en) * 2002-09-17 2015-06-30 Siemens Energy, Inc. Method of joining ceramic parts and articles so formed
DE102004044942A1 (de) * 2004-09-16 2006-03-30 Esk Ceramics Gmbh & Co. Kg Verfahren zum verformungsarmen Diffusionsschweißen von keramischen Komponenten
US7964296B2 (en) * 2007-07-27 2011-06-21 Ceradyne, Inc. High-volume, fully dense silicon nitride monolith and method of making by simultaneously joining and hot pressing a plurality of RBSN parts
US8256088B2 (en) 2009-08-24 2012-09-04 Siemens Energy, Inc. Joining mechanism with stem tension and interlocked compression ring

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA568458A (fr) * 1959-01-06 P. Swentzel John Articles de fabrication au nitrure de silicium et methode de fabrication
US2618565A (en) * 1948-02-26 1952-11-18 Carborundum Co Manufacture of silicon nitride-bonded articles
GB779474A (en) * 1954-07-29 1957-07-24 Union Carbide Ltd Method of preparing silicon nitride articles by slip casting
NL121804C (fr) * 1959-02-27
GB895769A (en) * 1959-02-27 1962-05-09 Nat Res Dev Improvements in or relating to shaped silicon nitride bodies and their manufacture
AT281755B (de) * 1968-08-05 1970-06-10 Annawerk Keramische Betr E Gmb Verfahren zur Herstellung eines dichten Siliziumnitridkörpers
US3778231A (en) * 1971-03-11 1973-12-11 Birmingham Small Arms Co Ltd Method of producing silicon nitride articles

Also Published As

Publication number Publication date
GB1482435A (en) 1977-08-10
AU7618374A (en) 1976-03-04
SE412901B (sv) 1980-03-24
IT1023459B (it) 1978-05-10
JPS5338722B2 (fr) 1978-10-17
US3854189A (en) 1974-12-17
JPS5095306A (fr) 1975-07-29
SE7415054L (fr) 1975-06-23
FR2255131B1 (fr) 1977-07-08
CA1028131A (fr) 1978-03-21
AU470218B2 (en) 1976-03-04
DE2458690A1 (de) 1975-07-03

Similar Documents

Publication Publication Date Title
FR2255131B1 (fr)
CA974742A (en) Method of manufacturing hot pressed ceramic material based on silicon nitride
SE7501140L (sv) Forfarande for varmpressning av pulverkroppar
GB1405171A (en) Method of manufacturing hot pressed silicon nitride components
GB2031466B (en) Isotatic hot pressing of silicon nitride
CA1028456A (fr) Methode de fabrication d'articles contenant du nitrure de silicone a deux densites
CA963235A (en) Method of and apparatus for producing a hot pressed component
CA968951A (en) Method of joining a pair of silicon nitride parts
CA1028837A (fr) Methode de fabrication des articles en nitrure du silicium a deux densites
CA980543A (en) Hot pressing of ceramic materials
HK35876A (en) Improvements in or relating to a process for etching silicon nitride
SE7901481L (sv) Sett att bilda en ytbeleggning med dekorativa effekter
ZA707755B (en) Anti-piping compound and process for the heat retaining of hot top surface
AT344584B (de) Heissgepresster siliciumnitridkoerper
FR2163420A1 (en) Welding of ptfe - using an interlayer of ptfe powder gelled at low pressures
CA1006341A (en) Method of producing hot pressed components
FR2162597A1 (en) Plastics foil contact heater - matching contact heater surface to mould size for uniform foil deep drawing
AU458218B2 (en) A METHOD OF MANUFACTURING SILICON nitride products
CA992291A (en) Method of producing wurtzite - like boron nitride and wurtzite-like boron nitride
SU509317A1 (ru) Комбинированна матрица дл прессо-вани полых изделий
AU3067771A (en) A method of manufacturing silicon nitride products.
ES394731A1 (es) Perfeccionamientos en los procedimientos de soldar y grabarpiezas de material reblandecible por calor.
FR2147531A5 (en) Silicon nitride - assembly of two blocks
CA914901A (en) Hot pressing process
CA866581A (en) Pressure and temperature insensitive flueric oscillator

Legal Events

Date Code Title Description
ST Notification of lapse