IT1230774B - Preforme ceramiche ad elevata resistenza meccanica, procedimento per la loro preparazione e compositi a matrice metallica con esse ottenuti. - Google Patents

Preforme ceramiche ad elevata resistenza meccanica, procedimento per la loro preparazione e compositi a matrice metallica con esse ottenuti.

Info

Publication number
IT1230774B
IT1230774B IT8920378A IT2037889A IT1230774B IT 1230774 B IT1230774 B IT 1230774B IT 8920378 A IT8920378 A IT 8920378A IT 2037889 A IT2037889 A IT 2037889A IT 1230774 B IT1230774 B IT 1230774B
Authority
IT
Italy
Prior art keywords
procedure
preparation
high mechanical
mechanical resistance
metallic matrix
Prior art date
Application number
IT8920378A
Other languages
English (en)
Other versions
IT8920378A0 (it
Inventor
Giovanni Giunchi
Andrea Adembri
Original Assignee
Sir Ind Spa
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 Sir Ind Spa filed Critical Sir Ind Spa
Priority to IT8920378A priority Critical patent/IT1230774B/it
Publication of IT8920378A0 publication Critical patent/IT8920378A0/it
Priority to AU54702/90A priority patent/AU626669B2/en
Priority to CA002016086A priority patent/CA2016086A1/en
Priority to US07/519,434 priority patent/US5164346A/en
Priority to EP19900108455 priority patent/EP0396146A3/en
Priority to JP2117320A priority patent/JPH0388785A/ja
Application granted granted Critical
Publication of IT1230774B publication Critical patent/IT1230774B/it

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/02—Pretreatment of the fibres or filaments
    • C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
    • 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
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C04B30/02—Compositions for artificial stone, not containing binders containing fibrous 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
    • C04B35/581—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 aluminium nitride
    • C—CHEMISTRY; METALLURGY
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    • 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
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    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/6264—Mixing media, e.g. organic solvents
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    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
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    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/6342—Polyvinylacetals, e.g. polyvinylbutyral [PVB]
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    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63488—Polyethers, e.g. alkylphenol polyglycolether, polyethylene glycol [PEG], polyethylene oxide [PEO]
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    • 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
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00905—Uses not provided for elsewhere in C04B2111/00 as preforms
    • C04B2111/00913—Uses not provided for elsewhere in C04B2111/00 as preforms as ceramic preforms for the fabrication of metal matrix comp, e.g. cermets
    • C04B2111/00922—Preforms as such
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/402—Aluminium
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/46—Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase
    • C04B2235/465—Ammonia
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
    • C04B2235/5244—Silicon carbide
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5264—Fibers characterised by the diameter of the fibers
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5276—Whiskers, spindles, needles or pins
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6027—Slip casting
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
IT8920378A 1989-05-05 1989-05-05 Preforme ceramiche ad elevata resistenza meccanica, procedimento per la loro preparazione e compositi a matrice metallica con esse ottenuti. IT1230774B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8920378A IT1230774B (it) 1989-05-05 1989-05-05 Preforme ceramiche ad elevata resistenza meccanica, procedimento per la loro preparazione e compositi a matrice metallica con esse ottenuti.
AU54702/90A AU626669B2 (en) 1989-05-05 1990-05-03 Ceramic preforms having high mechanical strength, a process for their preparation and metal matrix composites obtained from said ceramic preforms
CA002016086A CA2016086A1 (en) 1989-05-05 1990-05-04 Ceramic preforms having high mechanical strengh, a process for their preparation and metal matrix composites obtained from said ceramic preforms
US07/519,434 US5164346A (en) 1989-05-05 1990-05-04 Ceramic preforms having high mechanical strength, a process for their preparation and metal matrix composites obtained from said ceramic preforms
EP19900108455 EP0396146A3 (en) 1989-05-05 1990-05-04 Ceramic preforms having high mechanical strength, a process for their preparation and metal matrix composites obtained therefrom
JP2117320A JPH0388785A (ja) 1989-05-05 1990-05-07 機械強度の高いセラミックプレフォーム、その製造法、および該セラミックプレフォームから得られる金属マトリックス複合体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8920378A IT1230774B (it) 1989-05-05 1989-05-05 Preforme ceramiche ad elevata resistenza meccanica, procedimento per la loro preparazione e compositi a matrice metallica con esse ottenuti.

Publications (2)

Publication Number Publication Date
IT8920378A0 IT8920378A0 (it) 1989-05-05
IT1230774B true IT1230774B (it) 1991-10-29

Family

ID=11166197

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8920378A IT1230774B (it) 1989-05-05 1989-05-05 Preforme ceramiche ad elevata resistenza meccanica, procedimento per la loro preparazione e compositi a matrice metallica con esse ottenuti.

Country Status (6)

Country Link
US (1) US5164346A (it)
EP (1) EP0396146A3 (it)
JP (1) JPH0388785A (it)
AU (1) AU626669B2 (it)
CA (1) CA2016086A1 (it)
IT (1) IT1230774B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676051B1 (fr) * 1991-05-03 1993-12-17 Snecma Piece en composite ceramique a revetement metallique, procede de realisation et composition de poudre utilisee.
JP2974473B2 (ja) * 1991-10-30 1999-11-10 日本碍子株式会社 複合セラミックスおよびその製造法
US5360662A (en) * 1992-03-12 1994-11-01 Hughes Aircraft Company Fabrication of reliable ceramic preforms for metal matrix composite production
US5427853A (en) * 1993-12-20 1995-06-27 General Motors Corporation Reinforcement preform, method of making same and reinforced composite made therefrom
JP2001080967A (ja) * 1999-09-06 2001-03-27 Sumitomo Electric Ind Ltd Ｓｉ３Ｎ４セラミックスとその製造用Ｓｉ基組成物及びこれらの製造方法
US6221921B1 (en) * 1999-10-14 2001-04-24 Advanced Ceramics Research, Inc. Dispersant system and process for formulating non-aqueous siliceous particulate slurries
US7621977B2 (en) 2001-10-09 2009-11-24 Cristal Us, Inc. System and method of producing metals and alloys
EA006616B1 (ru) 2002-09-07 2006-02-24 Интернэшнл Тайтейнием Паудер, Ллк Способ отделения титана от содержащей титан суспензии
US20070017319A1 (en) 2005-07-21 2007-01-25 International Titanium Powder, Llc. Titanium alloy
CA2623544A1 (en) 2005-10-06 2007-04-19 International Titanium Powder, Llc Titanium or titanium alloy with titanium boride dispersion
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AU626669B2 (en) 1992-08-06
EP0396146A2 (en) 1990-11-07
US5164346A (en) 1992-11-17
AU5470290A (en) 1990-11-08
IT8920378A0 (it) 1989-05-05
EP0396146A3 (en) 1991-01-30
JPH0388785A (ja) 1991-04-15

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