IT1247097B - Procedimento per produrre almeno lo strato di usura di parti sinterizzate fortemente sollecitabili, in particolare per il comando di valvole di motori a combustione interna - Google Patents

Procedimento per produrre almeno lo strato di usura di parti sinterizzate fortemente sollecitabili, in particolare per il comando di valvole di motori a combustione interna

Info

Publication number
IT1247097B
IT1247097B ITMI910430A ITMI910430A IT1247097B IT 1247097 B IT1247097 B IT 1247097B IT MI910430 A ITMI910430 A IT MI910430A IT MI910430 A ITMI910430 A IT MI910430A IT 1247097 B IT1247097 B IT 1247097B
Authority
IT
Italy
Prior art keywords
valves
weight
internal combustion
control
sintered parts
Prior art date
Application number
ITMI910430A
Other languages
English (en)
Inventor
Osman Zeki Zengin
Original Assignee
Miba Sintermetall Ag
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 Miba Sintermetall Ag filed Critical Miba Sintermetall Ag
Publication of ITMI910430A0 publication Critical patent/ITMI910430A0/it
Publication of ITMI910430A1 publication Critical patent/ITMI910430A1/it
Application granted granted Critical
Publication of IT1247097B publication Critical patent/IT1247097B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

Per poter produrre economicamente parti sinterizzate fortemente sollecitabili per il comando delle valvole di un motore a combustione interna mediante metallurgia delle polveri alle condizioni della sinterizzazione in fase liquida, si parte da un miscuglio di polveri a base di ferro, che contiene dal 13 al 18% in peso di cromo oppure dal 3 al 6% in peso di molibdeno come componente della lega formante carburo della polvere di ferro nonchè dall'1,5 al 2,6% in peso di carbonio e dallo 0,4 all'1,0% in peso di fosforo, ove la polvere di ferro viene prodotta polverizzando una fusione di ferro corrispondentemente legata con un getto di gas o d'acqua, prima che essa venga mischiata con i rimanenti componenti della polvere.
ITMI910430A 1990-02-22 1991-02-20 Procedimento per produrre almeno lo strato di usura di parti sinterizzate fortemente sollecitabili, in particolare per il comando di valvole di motori a combustione interna IT1247097B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0040790A AT395120B (de) 1990-02-22 1990-02-22 Verfahren zum herstellen zumindest der verschleissschicht hochbelastbarer sinterteile, insbesondere fuer die ventilsteuerung einer verbrennungskraftmaschine

Publications (3)

Publication Number Publication Date
ITMI910430A0 ITMI910430A0 (it) 1991-02-20
ITMI910430A1 ITMI910430A1 (it) 1992-08-20
IT1247097B true IT1247097B (it) 1994-12-12

Family

ID=3489808

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910430A IT1247097B (it) 1990-02-22 1991-02-20 Procedimento per produrre almeno lo strato di usura di parti sinterizzate fortemente sollecitabili, in particolare per il comando di valvole di motori a combustione interna

Country Status (6)

Country Link
US (1) US5069867A (it)
JP (1) JP3401619B2 (it)
AT (1) AT395120B (it)
DE (1) DE4104909C2 (it)
FR (1) FR2658441B1 (it)
IT (1) IT1247097B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT395550B (de) * 1991-07-02 1993-01-25 Miba Sintermetall Ag Verfahren zum herstellen eines sinterkoerpers mit wenigstens einer molybdaenhaltigen verschleissschicht
DE4207255C1 (it) * 1992-03-07 1993-06-24 Ferritslev Jernwarefabrik As
US5814272A (en) 1996-02-21 1998-09-29 Millipore Corporation Method for forming dendritic metal particles
GB2325005B (en) * 1997-05-08 2000-10-11 Brico Eng Method of forming a component
DE10000156A1 (de) * 2000-01-06 2001-07-19 Bleistahl Prod Gmbh & Co Kg Pulvermetallurgisch hergestelltes Preß-Sinter-Formteil
JP3736838B2 (ja) * 2000-11-30 2006-01-18 日立粉末冶金株式会社 メカニカルヒューズおよびその製造方法
AT4737U1 (de) * 2001-01-15 2001-11-26 Plansee Ag Pulvermetallurgisches verfahren zur herstellung hochdichter formteile
JP2004218041A (ja) * 2003-01-17 2004-08-05 Jfe Steel Kk 焼結部材及びその製造方法
JP3952006B2 (ja) * 2003-11-26 2007-08-01 セイコーエプソン株式会社 焼結用原料粉末又は焼結用造粒粉末およびそれらの焼結体
RU2462524C2 (ru) * 2007-09-28 2012-09-27 Хеганес Аб (Пабл) Металлургическая порошковая композиция, способ изготовления и полученная из нее деталь
US9162285B2 (en) * 2008-04-08 2015-10-20 Federal-Mogul Corporation Powder metal compositions for wear and temperature resistance applications and method of producing same
CN102975423A (zh) * 2012-11-22 2013-03-20 宁波市群星粉末冶金有限公司 一种粉末冶金刹车钳及制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999952A (en) * 1975-02-28 1976-12-28 Toyo Kohan Co., Ltd. Sintered hard alloy of multiple boride containing iron
JPS6044805B2 (ja) * 1976-08-27 1985-10-05 日本ビクター株式会社 磁気記録媒体の製造方法
JPS5462108A (en) * 1977-10-27 1979-05-18 Nippon Piston Ring Co Ltd Abrasion resistant sintered alloy
JPS583902A (ja) * 1981-07-01 1983-01-10 Toyota Motor Corp カムシヤフトの製造法
JPS5996250A (ja) * 1982-11-26 1984-06-02 Nissan Motor Co Ltd 耐摩耗性焼結合金の製造方法
US4724000A (en) * 1986-10-29 1988-02-09 Eaton Corporation Powdered metal valve seat insert
DE3727571A1 (de) * 1987-08-19 1989-03-02 Ringsdorff Werke Gmbh Verfahren zur pulvermetallurgischen herstellung von nocken
JPH0610286B2 (ja) * 1988-03-17 1994-02-09 日本ピストンリング株式会社 カムシャフトの製造方法

Also Published As

Publication number Publication date
DE4104909A1 (de) 1991-08-29
US5069867A (en) 1991-12-03
ATA40790A (de) 1992-02-15
AT395120B (de) 1992-09-25
FR2658441B1 (fr) 1996-02-16
DE4104909C2 (de) 2001-06-28
ITMI910430A1 (it) 1992-08-20
JP3401619B2 (ja) 2003-04-28
JPH04228506A (ja) 1992-08-18
FR2658441A1 (fr) 1991-08-23
ITMI910430A0 (it) 1991-02-20

Similar Documents

Publication Publication Date Title
IT1247097B (it) Procedimento per produrre almeno lo strato di usura di parti sinterizzate fortemente sollecitabili, in particolare per il comando di valvole di motori a combustione interna
KR101245069B1 (ko) 분말 금속 기관 조성물
BR0208282A (pt) Material de sede de válvula de metal pulverizado endurecìvel por sinterização para motores de combustão interna, material de inserto de sede de válvula sinterizado para motores de combustão interna, inserto de sede de válvula sinterizada para motores de combustão interna, e, método para produzir inserto de sede de válvula de metal pulverizado sinterizados para motores de combustão interna
WO2002024970A3 (de) Thermisch aufgetragene beschichtung für kolbenringe aus mechanisch legierten pulvern
YU215389A (en) Sintered material based on copper, it's use and process for making and a process for making pressed articles from mentioned sintered material
WO2009128900A3 (en) Cobalt-rich wear resistant alloy and method of making and use thereof
EP1108800A3 (en) Hard particles, wear resistant iron-based sintered alloy, method of producing wear resistant iron-based sintered alloy, valve seat, and cylinder head
AU2003206641A1 (en) Soft magnetic powder composite material, method for the production thereof and use of the same
CN104583436B (zh) 用于合并到烧结合金中的硬粒子和耐磨铁基烧结合金及其制造方法
US4790875A (en) Abrasion resistant sintered alloy
JPS55164063A (en) Abrasion resistant iron-based sintered alloy material for internal combustion engine
JPS565967A (en) Sliding member
DE50103494D1 (de) Verschleisschutzschicht für kolbenringe enthaltend wolframkarbid und chromkarbid
JPS565969A (en) Sliding member
GB917154A (en) Improvements in and relating to iron-base alloys
JPS55145157A (en) Wear resistant sintered iron alloy
JPH0633184A (ja) 耐摩耗性に優れたバルブシート用焼結合金の製造方法
TW358857B (en) Fuel injection valve
EP1132592A3 (en) The use of an internal catalyser for diesel engines
KR20120125817A (ko) 기체연료 자동차용 밸브시트의 제조방법
JPS5660811A (en) Tappet for internal combustion engine
JPS56152947A (en) Sintered alloy with wear resistance at high temperature
Gao et al. Effects of alloy compositions on mechanical properties of as-cast banite iron materials for cylinder liners
JPS5573852A (en) High temperature wear resistant sintered alloy
JPH0633185A (ja) 耐摩耗性に優れたバルブシート用焼結合金の製造方法

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970225