EP1506323B1 - Alliage de fonte grise et composant de moteur a combustion interne moule - Google Patents

Alliage de fonte grise et composant de moteur a combustion interne moule Download PDF

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Publication number
EP1506323B1
EP1506323B1 EP03750007A EP03750007A EP1506323B1 EP 1506323 B1 EP1506323 B1 EP 1506323B1 EP 03750007 A EP03750007 A EP 03750007A EP 03750007 A EP03750007 A EP 03750007A EP 1506323 B1 EP1506323 B1 EP 1506323B1
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EP
European Patent Office
Prior art keywords
cast iron
alloy
internal combustion
combustion engine
grey cast
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 - Lifetime
Application number
EP03750007A
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German (de)
English (en)
Other versions
EP1506323A1 (fr
Inventor
Martti Penttinen
Tobias BJÖRKLIND
Carl BJÖRKMAN
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.)
Scania CV AB
Original Assignee
Scania CV AB
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 Scania CV AB filed Critical Scania CV AB
Priority to SI200331893T priority Critical patent/SI1506323T1/sl
Publication of EP1506323A1 publication Critical patent/EP1506323A1/fr
Application granted granted Critical
Publication of EP1506323B1 publication Critical patent/EP1506323B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon

Definitions

  • the present invention concerns a grey cast iron alloy. More specifically, the present invention concerns a pearlitic grey cast iron comprising further alloying elements for improved fatigue strength.
  • the invention further concerns an internal combustion engine component, cast from grey cast iron alloy according to the invention.
  • Grey cast iron is a most attractive material for e.g. internal combustion engine blocks for vehicles due to a relatively low cost and yet good to excellent performance.
  • Compositions within quite a wide range are previously known, such compositions normally being a compromise between properties, such as tensile strength, wear properties etc., of the material as used and production properties, such as cost, machinability etc.
  • a base material 0120 has a composition according to Table 1 below and a common standard alloy has a composition also according to Table 1, the Scania standard alloy providing a grey cast iron with a pearlitic structure and a sound (pore free) material due to a comparatively high carbon content.
  • Fig. 1 shows Wöhler fatigue curves for a base alloy, a standard alloy and an alloy according to the invention.
  • the alloy according to the present invention is a grey cast iron having a pearlitic structure, the carbon content being 3.2 - 3.49 %.
  • the comparatively high carbon content promotes a sound structure.
  • additives of 0.1- 0.4 % molybdenum, 0.03 - 0.3 % vanadium, 0.007 - 0.015 % titanium and ⁇ 0.15 % niobium act, in addition to their carbide forming properties, as nuclei providing a fine pearlitic and flake graphite structure as cast (both as primary and secondary precipitated carbides). Molybdenum also stabilises pearlite at elevated temperatures.
  • Silicon is present in an amount of 1.8 - 2.2 % promoting grey iron formation.
  • 0.3 - 0.8 % manganese is present as a pearlite stabilizing agent.
  • Copper here in an amount of 0.3 - 1.0 %, promotes pearlite formation and stabilizes the pearlite and also promotes the fine structure formation.
  • the content of sulphur and phosphorus should be held below 0.15 %.
  • Nitrogen 0.005 - 0.017 %, compacts flake graphite and promotes pearlite formation.
  • the grey cast iron alloy further comprises iron and normal impurities to balance.
  • the amounts of titanium, nitrogen and aluminium are in the normal impurity range but may be preferred.
  • Fatigue test samples were taken from each casting and fatigue tests were performed.
  • the grey cast irons according to the invention offer about 40 % higher fatigue strength than a grey cast iron base alloy and about 30 % higher fatigue strength than a standard engine block grey cast iron and still offering a grey cast iron which fulfils high performance with respect to machinability, soundness, etc.
  • the grey cast iron alloy according to the invention is extremely useful for internal combustion cast engine components, such as engine block components, the alloy combining machinability, soundness and high fatigue strength.
  • the alloy is also useful for other components such as cylinder heads, etc.
  • Table 1 Grey cast iron compositions, % by weight, according to prior art and the invention Alloy Compound Base 0120 Standard alloy Invention in general Preferred embodiment Example alloy 3 of Fig.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Claims (5)

  1. Alliage de fonte grise perlitique comprenant, en poids : 3,2 à 3,49 % de carbone,
    1,8 à 2,2 % de silicium,
    < 0,15 % de soufre,
    < 0,15 % de phosphore,
    0,3 à 0,8 % de manganèse,
    0,2 à 0,4 % de chrome,
    0,1 à 0,4 % de molybdène,
    0,03 à 0,3 % de vanadium,
    0,3 à 1,0 % de cuivre,
    < 0,15 % de niobium,
    0,007 à 0,015 % de titane,
    0,005 à 0,017 % d'azote,
    Al < 0,01
    Ni<0,1
    Sn<0,1
    le restant étant constitué de fer et d'impuretés.
  2. Alliage selon la revendication 1, comprenant :
    3,3 à 3,4 % de carbone,
    1,8 à 2,2 % de silicium,
    < 0,1 % de soufre,
    < 0,05 % de phosphore,
    0,4 à 0,6 % de manganèse,
    0,2 à 0,4 % de chrome,
    0,2 à 0,3 % de molybdène,
    0,05 à 0,1 % de vanadium.
  3. Alliage selon la revendication 1 ou 2, caractérisé en ce que le vanadium est présent en une quantité inférieure à 0,1 %.
  4. Composant en fonte d'un moteur à combustion interne constitué d'un alliage de fonte grise perlitique, ledit alliage comprenant : 3,2 à 3,49 % de carbone,
    1,8 à 2,2 % de silicium,
    < 0,15 % de soufre,
    < 0,15 % de phosphore,
    0,3 à 0,8 % de manganèse,
    0,2 à 0,4 % de chrome,
    0,1 à 0,4 % de molybdène,
    0,03 à 0,3 % de vanadium,
    0,3 à 1,0 % de cuivre,
    0,007 à 0,013 % de titane,
    < 0,15 % de niobium,
    0,005 à 0,015 % d'azote,
    < 0,01 % d'aluminium
    Ni < 0,1
    Sn<0,1
    le restant étant constitué de fer et d'impuretés.
  5. Composant selon la revendication 4, caractérisé en ce qu'il s'agit d'un bloc moteur ou d'une culasse.
EP03750007A 2002-05-13 2003-05-12 Alliage de fonte grise et composant de moteur a combustion interne moule Expired - Lifetime EP1506323B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200331893T SI1506323T1 (sl) 2002-05-13 2003-05-12 Zlitine sive litine in liti deli motorja z notranjim izgorevanjem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0201431A SE526903C2 (sv) 2002-05-13 2002-05-13 Gråjärnslegering och gjuten förbränningsmotorkomponent
SE0201431 2002-05-13
PCT/SE2003/000770 WO2003095692A1 (fr) 2002-05-13 2003-05-12 Alliage de fonte grise et composant de moteur a combustion interne moule

Publications (2)

Publication Number Publication Date
EP1506323A1 EP1506323A1 (fr) 2005-02-16
EP1506323B1 true EP1506323B1 (fr) 2010-08-11

Family

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Family Applications (1)

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EP03750007A Expired - Lifetime EP1506323B1 (fr) 2002-05-13 2003-05-12 Alliage de fonte grise et composant de moteur a combustion interne moule

Country Status (13)

Country Link
EP (1) EP1506323B1 (fr)
JP (1) JP4137054B2 (fr)
KR (1) KR100616649B1 (fr)
CN (1) CN1320150C (fr)
AT (1) ATE477347T1 (fr)
AU (1) AU2003243063A1 (fr)
BR (1) BR0309975B1 (fr)
DE (1) DE60333748D1 (fr)
DK (1) DK1506323T3 (fr)
ES (1) ES2350478T3 (fr)
SE (1) SE526903C2 (fr)
SI (1) SI1506323T1 (fr)
WO (1) WO2003095692A1 (fr)

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SE0300752L (sv) * 2003-03-19 2004-09-20 Volvo Lastvagnar Ab Gråjärn för motorcylinderblock och -topplock
DE102004010917C5 (de) 2004-03-05 2018-05-17 Federal-Mogul Burscheid Gmbh Gusseisenwerkstoff mit hoher Festigkeit
KR100656470B1 (ko) 2006-02-07 2006-12-11 주식회사 하이닉스반도체 반도체 메모리의 드라이버 제어장치 및 방법
US8333923B2 (en) * 2007-02-28 2012-12-18 Caterpillar Inc. High strength gray cast iron
FR2948744B1 (fr) * 2009-07-29 2015-04-24 Peugeot Citroen Automobiles Sa Chemise de cylindre pour l'habillage de la paroi cylindrique d'un cylindre d'un moteur a combustion interne
CN102465230A (zh) * 2010-11-17 2012-05-23 常州朗锐活塞有限公司 合金铸铁活塞材料
SE535043C2 (sv) * 2010-12-02 2012-03-27 Scania Cv Ab Gråjärnslegering samt bromsskiva innefattande gråjärnslegering
CN102409246B (zh) * 2011-12-09 2013-01-02 河南省中原内配股份有限公司 一种贝氏体气缸套内衬及其制备方法
WO2013122248A1 (fr) * 2012-02-17 2013-08-22 本田技研工業株式会社 Fonte et pièce de frein
CN102876963A (zh) * 2012-09-05 2013-01-16 忻峰 抗疲劳铸铁合金
CN102864369A (zh) * 2012-09-05 2013-01-09 陈敏 一种抗疲劳铸铁合金
CN102851567A (zh) * 2012-09-14 2013-01-02 虞海香 一种铸铁合金
CN102864370A (zh) * 2012-09-14 2013-01-09 黄宣斐 一种灰色铸铁合金材料
CN102864367A (zh) * 2012-09-14 2013-01-09 虞海盈 一种灰色铸铁合金
CN103572150A (zh) * 2013-10-12 2014-02-12 广西玉柴机器股份有限公司 发动机气缸盖灰铸铁
CN104561750B (zh) * 2013-10-25 2016-08-17 河南星鹏铸件有限责任公司 用于铸造压力盘铸件的铁液和压力盘铸件的铸造方法
CN103834852A (zh) * 2014-03-19 2014-06-04 四川大学 一种锡铌复合合金化灰铸铁及其生产工艺
CN104313456A (zh) * 2014-10-20 2015-01-28 熊荣鑫 一种抗疲劳铁合金
CN104962839A (zh) * 2015-05-22 2015-10-07 南京飞燕活塞环股份有限公司 一种高耐磨性、高抗折断性、高硬度活塞环材料
CN104962820A (zh) * 2015-06-11 2015-10-07 龙口市和义机械配件有限公司 一种赛车制动盘用合金钢及其制造方法
US10428407B2 (en) 2016-09-05 2019-10-01 Tpr Co., Ltd. Cylindrical member made of flake graphite cast iron
CN108070778A (zh) * 2016-11-18 2018-05-25 山东恒圆精工部件股份有限公司 活塞环铸铁合金及其制造方法
CN107119221B (zh) * 2017-04-26 2018-08-07 含山县朝霞铸造有限公司 一种微合金化高强度灰铸铁件及其熔炼方法
CN108913985A (zh) * 2018-06-06 2018-11-30 东风商用车有限公司 一种高碳当量高强度灰铸铁及其制备方法
CN109182890B (zh) * 2018-10-19 2020-05-26 中车大连机车车辆有限公司 一种灰铸铁及其冶炼方法
CN110079726B (zh) * 2019-06-01 2021-04-06 亚新科国际铸造（山西）有限公司 一种提高灰铸铁发动机缸盖常温拉压疲劳强度的工艺
CN111334705A (zh) * 2020-04-07 2020-06-26 中原内配集团股份有限公司 一种高强度珠光体减磨铸铁及其制备方法和应用
US11879168B2 (en) * 2021-08-31 2024-01-23 GM Global Technology Operations LLC High-modulus, high-strength, low alloy gray cast iron for cylinder liners and automotive applications

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Also Published As

Publication number Publication date
CN1320150C (zh) 2007-06-06
SI1506323T1 (sl) 2011-01-31
SE0201431L (sv) 2003-11-14
SE526903C2 (sv) 2005-11-15
ES2350478T3 (es) 2011-01-24
BR0309975A (pt) 2005-02-22
JP2005525468A (ja) 2005-08-25
KR100616649B1 (ko) 2006-08-28
ATE477347T1 (de) 2010-08-15
BR0309975B1 (pt) 2010-12-14
JP4137054B2 (ja) 2008-08-20
CN1653202A (zh) 2005-08-10
EP1506323A1 (fr) 2005-02-16
DE60333748D1 (de) 2010-09-23
KR20050010796A (ko) 2005-01-28
DK1506323T3 (da) 2010-11-22
SE0201431D0 (sv) 2002-05-13
WO2003095692A1 (fr) 2003-11-20
AU2003243063A1 (en) 2003-11-11

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