BR112015018090A2 - sede de válvula altamente resistente ao desgaste para uso em um motor de combustão interna, e método de fabricação para a mesma - Google Patents

sede de válvula altamente resistente ao desgaste para uso em um motor de combustão interna, e método de fabricação para a mesma

Info

Publication number
BR112015018090A2
BR112015018090A2 BR112015018090A BR112015018090A BR112015018090A2 BR 112015018090 A2 BR112015018090 A2 BR 112015018090A2 BR 112015018090 A BR112015018090 A BR 112015018090A BR 112015018090 A BR112015018090 A BR 112015018090A BR 112015018090 A2 BR112015018090 A2 BR 112015018090A2
Authority
BR
Brazil
Prior art keywords
powder
valve seat
combustion engine
internal combustion
rigid
Prior art date
Application number
BR112015018090A
Other languages
English (en)
Inventor
Oshige Hiroshi
Sato Kenichi
Ikemi Satoshi
Original Assignee
Nippon Piston Ring Co 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 Nippon Piston Ring Co Ltd filed Critical Nippon Piston Ring Co Ltd
Publication of BR112015018090A2 publication Critical patent/BR112015018090A2/pt

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B22F5/106—Tube or ring forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
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    • B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
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    • C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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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
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • 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
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
    • 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
    • F01L2301/00—Using particular materials
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F01L2820/01—Absolute values
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    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
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    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
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    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24281—Struck out portion type

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  • Chemical & Material Sciences (AREA)
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  • Mechanical Engineering (AREA)
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  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)

Abstract

resumo patente da invenção: "sede de válvula altamente resistente ao desgaste para uso em um motor de combustão interna, e método de fabricação para a mesma". uma sede de válvula altamente resistente ao desgaste para uso em motor de combustão interna é fornecida. pó de estoque de provisão para formar uma camada lateral em contato com a válvula é obtido misturando-se pó de ferro, pó de partícula rígida e pó de grafite. o pó de estoque de provisão também pode conter pó de elemento de liga e/ou pó de partícula lubrificante sólido e é formulado tal que, após a sinterização, uma parte base contenha de 0,3 a 2,0 % em massa de carbono e um total de até 70% em massa de um ou mais dos seguintes elementos, o restante compreendendo ferro e impurezas inevitáveis: co, si, ni, mo, cr, mn, s, w e v. alguns ou todos os pós de partícula rígida têm um diâmetro médio de partícula entre 15 e 50 µm inclusive, e o pó de ferro também tem um diâmetro médio de partícula entre 15 e 50 µm inclusive, e, após a sinterização, a estrutura da parte base seja tal que partículas rígidas constituam de 10 a 65 % da massa total da camada lateral em contato com a válvula, e sejam dispersadas com densidade de pelo menos 1.000 partículas/mm2. isto torna possível dispersar uniformemente uma fase de partícula rígida ao longo de uma fase base de um corpo sinterizado, produzindo uma sede de válvula sinterizada à base de ferro que exibe força e resistência ao desgaste excelentes.
BR112015018090A 2013-01-31 2014-01-31 sede de válvula altamente resistente ao desgaste para uso em um motor de combustão interna, e método de fabricação para a mesma BR112015018090A2 (pt)

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JP2013016959 2013-01-31
PCT/JP2014/052241 WO2014119720A1 (ja) 2013-01-31 2014-01-31 耐摩耗性に優れた内燃機関用バルブシートおよびその製造方法

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US20160303649A1 (en) * 2015-03-03 2016-10-20 Materion Corporation Light weight high stiffness metal composite
CN109570509A (zh) * 2018-12-18 2019-04-05 宁波申禾轴承有限公司 一种高强度轴承的制备方法
JP7143356B2 (ja) 2020-03-10 2022-09-28 大同メタル工業株式会社 摺動部材及びその製造方法並びに硬質物の製造方法
CN112301255B (zh) * 2020-10-27 2021-07-30 上海交通大学 一种模具用高导热高强Co-Fe-Ni合金及其增材制造方法
US11988294B2 (en) 2021-04-29 2024-05-21 L.E. Jones Company Sintered valve seat insert and method of manufacture thereof
WO2024154812A1 (ja) * 2023-01-19 2024-07-25 日本ピストンリング株式会社 内燃機関用鉄基焼結合金製バルブシートおよびその製造方法
WO2024154811A1 (ja) * 2023-01-19 2024-07-25 日本ピストンリング株式会社 内燃機関用鉄基焼結合金製バルブシートおよびその製造方法

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EP0167034B1 (en) * 1984-06-12 1988-09-14 Sumitomo Electric Industries Limited Valve-seat insert for internal combustion engines and its production
JP3186816B2 (ja) 1992-01-28 2001-07-11 帝国ピストンリング株式会社 バルブシート用焼結合金
JP3786267B2 (ja) 2002-10-02 2006-06-14 三菱マテリアルＰｍｇ株式会社 高面圧付加条件下ですぐれた耐摩耗性を発揮するＦｅ基焼結合金製バルブシートの製造方法
JP3926320B2 (ja) * 2003-01-10 2007-06-06 日本ピストンリング株式会社 鉄基焼結合金製バルブシートおよびその製造方法
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US20150369090A1 (en) 2015-12-24
JP6290107B2 (ja) 2018-03-07
US10428700B2 (en) 2019-10-01
JPWO2014119720A1 (ja) 2017-01-26

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