JPH01170744A - ピストン、シリンダヘツド等の内燃機関のエンジン部品 - Google Patents

ピストン、シリンダヘツド等の内燃機関のエンジン部品

Info

Publication number
JPH01170744A
JPH01170744A JP62326864A JP32686487A JPH01170744A JP H01170744 A JPH01170744 A JP H01170744A JP 62326864 A JP62326864 A JP 62326864A JP 32686487 A JP32686487 A JP 32686487A JP H01170744 A JPH01170744 A JP H01170744A
Authority
JP
Japan
Prior art keywords
parts
weight
coating agent
engine parts
engine
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
JP62326864A
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English (en)
Other versions
JPH0639940B2 (ja
Inventor
Akira Tsujimura
辻村 明
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors Ltd
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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Priority to JP62326864A priority Critical patent/JPH0639940B2/ja
Priority to US07/288,584 priority patent/US4980321A/en
Priority to DE3843661A priority patent/DE3843661A1/de
Publication of JPH01170744A publication Critical patent/JPH01170744A/ja
Priority to US07/435,104 priority patent/US4980103A/en
Publication of JPH0639940B2 publication Critical patent/JPH0639940B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/02Surface coverings of combustion-gas-swept parts
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71Ceramic products containing macroscopic reinforcing agents
    • C04B35/78Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80Fibres, filaments, whiskers, platelets, or the like
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232Titanium oxides or titanates, e.g. rutile or anatase
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/36Glass starting materials for making ceramics, e.g. silica glass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5208Fibers
    • C04B2235/5216Inorganic
    • C04B2235/522Oxidic
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5208Fibers
    • C04B2235/5216Inorganic
    • C04B2235/524Non-oxidic, e.g. borides, carbides, silicides or nitrides
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52Constituents or additives characterised by their shapes
    • C04B2235/5276Whiskers, spindles, needles or pins
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/77Density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00Non-metallic inorganic materials
    • F05C2203/08Ceramics; Oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00Other material characteristics; Treatment of material
    • F05C2253/16Fibres

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Ceramic Products (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、内燃機関のピストン、シリンダヘッド等のエ
ンジン部品に関する。
〔従来の技術及びその問題点〕
従来、内燃機関のピストン、シリンダヘッド等のエンジ
ン部品の断熱材としては、窒化ケイ素、ジルコニア、ム
ライト、チタン酸アルミ等のソリッド状のセラミックス
が用いられている。
これらのセラミックス材は強度的には十分強いものであ
るが、熱伝導率が大きいためにエンジンの吸入効率の低
下をきたすという問題があつ念。
他方、熱伝導率の小さいセラミックス材としては、例え
ば発泡セラミックスあるいはセラミックス繊維の積層体
等があるが、これらのセラミックス材は強度が数10ψ
’011”程度と小さく、燃料燃焼時の爆発圧力には耐
えられない。
これらを改良したものとして、金属アルコキシドを原料
とするコーティング剤を結合剤として無機質繊維材料、
中空体を添加し念断熱材があるが、これを製造するには
焼成前の乾燥に長時間を要するという欠点があつ九。
〔発明の構成] 本発明は上記従来技術の欠点を改善するためになされた
ものであって、 (1)  無機質コーティング剤 (2)無機質コーティング剤の固形分100重量部に対
して、5〜40重量部のチタン酸カリウム繊維、10〜
50重量部の窒化ケイ素ウィスカ及び/又に0〜15重
量部のグラスバルン 及び (3)更に硬化促進剤として、前記(2)のチタン酸カ
リウム繊維、窒化ケイ素ウィスカ、グラスバルンの1〜
10重量係重量化カルシウム(OaO) ′t−混合し、乾燥・焼成してなるピストン、シリンダ
ヘッド等の内燃機関のエンジン部品であって、硬化促進
剤としてOaOf添加することにより乾燥時間の短縮を
はかったものである。
本発明において、無機質コーティング剤としては一般に
市販されているものを使用できる。
実施例1 クリ力、チタニアを主成分とする無機質コーティング剤
(日本合成ゴム(株)製グジスヵE1101)の固形分
100重量部に対し、チタン酸カリウム繊維15重量部
、窒化ケイ素ウィスカー20重量部、ガラス中空体5重
量部を混合し、混線機で十分に攪拌混練する。この混線
物に対し、CL8重量部の酸化カルシウムを混合し、更
に十分に混練した後、所定の形状の密閉された型内に加
圧しながら注入しな。
注入後約3時間椙でスラリーの硬化が始まったので、内
型を取り出し、蓋をして密閉し、そのま\の状態で乾燥
せしめ念。
この際密閉しないで乾燥した場合、大気に直接触れる部
分とそうでない部分とで乾燥条件が異なるため変形ある
いに割れを生ずる場合がある。
ついで12時間以上密閉状態で乾燥し、得られた成形体
を1100℃で50分間焼成し、断熱材を得念。
該断熱材の熱伝導率t@ t 5 KCatAn、 h
、 ℃、圧縮強度560 kg/cyn”以上であった
本発明において、チタン酸カリウム繊維及び窒化ケイ素
ウィスカの添加量が夫々無機質の固形分100重量部当
り5重量部及び10重量部以下の場合には所定の熱伝導
率が得られず、ま九40重量部及び50重量部以上の場
合には所定の強度のものが得られない。また、グラスバ
ルンを15重量部以上添加する場合も同様である。

Claims (1)

    【特許請求の範囲】
  1. 1、無機質コーティング剤、該無機質コーティング剤の
    固形分100重量部に対し5〜40重量部のチタン酸カ
    リウム繊維、10〜50重量部の窒化ケイ素ウィスカ及
    び/又は0〜15重量部のグラスバルンを混合し、更に
    無機質コーティング剤以外の成分の1〜10重量%のC
    aOを添加混合したものを乾燥焼成してなるピストン、
    シリンダヘッド等の内燃機関のエンジン部品。
JP62326864A 1987-12-25 1987-12-25 ピストン、シリンダヘツド等の内燃機関のエンジン部品 Expired - Lifetime JPH0639940B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62326864A JPH0639940B2 (ja) 1987-12-25 1987-12-25 ピストン、シリンダヘツド等の内燃機関のエンジン部品
US07/288,584 US4980321A (en) 1987-12-25 1988-12-22 Parts for internal combustion engine such as piston and cylinder head
DE3843661A DE3843661A1 (de) 1987-12-25 1988-12-23 Teile fuer einen verbrennungsmotor, wie kolben und zylinderkopf und verfahren zu ihrer herstellung
US07/435,104 US4980103A (en) 1987-12-25 1989-11-09 Method for manufacturing parts such as pistons and cylinder heads for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62326864A JPH0639940B2 (ja) 1987-12-25 1987-12-25 ピストン、シリンダヘツド等の内燃機関のエンジン部品

Publications (2)

Publication Number Publication Date
JPH01170744A true JPH01170744A (ja) 1989-07-05
JPH0639940B2 JPH0639940B2 (ja) 1994-05-25

Family

ID=18192578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62326864A Expired - Lifetime JPH0639940B2 (ja) 1987-12-25 1987-12-25 ピストン、シリンダヘツド等の内燃機関のエンジン部品

Country Status (3)

Country Link
US (2) US4980321A (ja)
JP (1) JPH0639940B2 (ja)
DE (1) DE3843661A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02115924U (ja) * 1989-03-03 1990-09-17
DE19542944C2 (de) * 1995-11-17 1998-01-22 Daimler Benz Ag Brennkraftmaschine und Verfahren zum Aufbringen einer Wärmedämmschicht
SI21859A (sl) * 2004-07-21 2006-02-28 Institut "Jozef Stefan" Keramicni batek za hidravlicne zavore
US10578050B2 (en) 2015-11-20 2020-03-03 Tenneco Inc. Thermally insulated steel piston crown and method of making using a ceramic coating
US10519854B2 (en) 2015-11-20 2019-12-31 Tenneco Inc. Thermally insulated engine components and method of making using a ceramic coating
CN110131032A (zh) * 2019-04-08 2019-08-16 上海交通大学 发动机燃烧室
WO2022057518A1 (zh) * 2020-09-15 2022-03-24 深圳前海发维新材料科技有限公司 一种高软化点、低热膨胀系数、高耐磨、低热导率的玻璃复合材料在发动机气轮机中的应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3129105A (en) * 1961-07-28 1964-04-14 Du Pont Fibrous metal titanates
US3752683A (en) * 1969-10-06 1973-08-14 Foseco Int Protection of turbine casings
GB8301320D0 (en) * 1983-01-18 1983-02-16 Ae Plc Reinforcement of articles of cast metal
DE3601794A1 (de) * 1986-01-22 1987-07-23 Georg Dr Ing Gliemeroth Temperaturwechselbestaendiger, keramischer werkstoff und verfahren zu seiner herstellung
JPS646170A (en) * 1987-06-26 1989-01-10 Anmin Kogyo Co Ltd Thread

Also Published As

Publication number Publication date
US4980321A (en) 1990-12-25
DE3843661A1 (de) 1989-07-06
US4980103A (en) 1990-12-25
JPH0639940B2 (ja) 1994-05-25

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