US3829295A - Sintered iron based articles infiltrated with copper based metals - Google Patents

Sintered iron based articles infiltrated with copper based metals Download PDF

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Publication number
US3829295A
US3829295A US00297363A US29736372A US3829295A US 3829295 A US3829295 A US 3829295A US 00297363 A US00297363 A US 00297363A US 29736372 A US29736372 A US 29736372A US 3829295 A US3829295 A US 3829295A
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US
United States
Prior art keywords
copper
sintered
infiltrated
article
skeleton
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
US00297363A
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English (en)
Inventor
E Farmer
T Cadle
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.)
Federal Mogul Coventry Ltd
Original Assignee
Brico Engineering 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 Brico Engineering Ltd filed Critical Brico Engineering Ltd
Application granted granted Critical
Publication of US3829295A publication Critical patent/US3829295A/en
Anticipated expiration legal-status Critical
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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • C22C33/0242Making ferrous alloys by powder metallurgy using the impregnating technique
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • Y10T428/1216Continuous interengaged phases of plural metals, or oriented fiber containing
    • Y10T428/12167Nonmetal containing

Definitions

  • a sintered metal article including a sintered skeleton having the composition 1.5-2.0% Nickel, 0.30.7% Molybdenum, 1-2% Copper, 0.1-0.3% Carbon, not more than 2% of Manganese, Silicon, Sulphur, and Phosphorus together (percentages being by weight), the remainder (apart from impurities and trace elements) being Iron, the sintered skeleton being infiltrated with Copper or Copper-based alloy, and the article being case-hardened.
  • This invention relates to sintered metal articles and to processes for their manufacture.
  • a sintered metal article includes a sintered skeleton having the composition 1.5-2.0% Nickel, 0.3-0.7% Molybdenum, 1-2% Copper, 0.10.3% Carbon, not more than 2% of Manganese, Silicon, Sulphur and Phosphorus together (percentages being by weight), the remainder (apart from impurities and trace elements) being Iron, the sintered skeleton being infiltrated with Copper, or Copper-based alloy, and the article being case hardened.
  • the skeleton has substantially 1.75% Nickel, 0.5% Molybdenum. 1.5% Copper, 0.25% Combined Carbon.
  • a process for the manufacture of sintered metal articles includes the steps of producing a sintered skeleton having the composition l.5-2.0% Nickel, 0.30.7% Molybdenum, 12% Copper, 0.l0.3% Carbon, not more than 2% of Manganese, Silicon, Sulphur and Phosphorus together, the remainder (apart from impurities and trace elements) being Iron, infiltrating the skeleton with Copper or Copper-based alloy in an amount between 8% and 25% of the skeleton, and then case-hardening the infiltrated article.
  • the sintered skeleton is infiltrated with 14% Copper or Copper-based alloy.
  • This pre-alloy or partial pre-alloy powder is mixed with 01-03% (of the weight of the pre-alloy powder) of Carbon, in the form of graphite, and preferably with a small percentage e.g. 1% of a suitable lubricant such as Zinc Stearate.
  • a suitable lubricant such as Zinc Stearate.
  • the sintered article or skeleton is then infiltrated with Copper or Copper-based alloy in an amount equal to between 8 and 25 of the weight of the article, for example, by placing the article in a suitable mould having walls which extend above the article and placing Copper or Copper-based alloy powder on the article, between the walls.
  • the article is then heated in an oven to a temperature significantly above the melting point of Copper or its alloy, so that all the molten Copper or Copper-based alloy infiltrates into the pores of the article; the time of heating is such as to allow the Copper or Copper-based alloy to infiltrate the article uniformly.
  • Suitable Copper-based alloys are Copper plus 3% Cobalt, or Copper plus 5% Iron and 5% Manganese.
  • the article is then case-hardened either by Carburising, Carbo-Nitriding or any other known or convenient method of Carbon case-hardening.
  • the pre-alloy powder contained 1.75% Nickel, 0.5% Molybdenum, 1.5% Copper, which was mixed with 0.25% Graphite and 1% Zinc Stearate. After sintering in the above manner the skeleton was impregnated with 14% Copper.
  • a sintered metal article consisting of a sintered skeleton infiltrated with copper or copper-based alloy, the skeleton having the composition, in percentages by weight:
  • a sintered metal article, according to Claim 1, in whi h th skeleton has substantially 1.75% Nickel, 0.5% 3414391 12/1968 Brab 29' 182'1 Mo1ybdenum,1 5% COpper0 25% Carbon 3,694,173 9/1972 Farmer et al. 29182.1

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
US00297363A 1971-10-23 1972-10-13 Sintered iron based articles infiltrated with copper based metals Expired - Lifetime US3829295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4934571A GB1399812A (en) 1971-10-23 1971-10-23 Sintered metal articles

Publications (1)

Publication Number Publication Date
US3829295A true US3829295A (en) 1974-08-13

Family

ID=10452051

Family Applications (1)

Application Number Title Priority Date Filing Date
US00297363A Expired - Lifetime US3829295A (en) 1971-10-23 1972-10-13 Sintered iron based articles infiltrated with copper based metals

Country Status (9)

Country Link
US (1) US3829295A (enrdf_load_stackoverflow)
JP (1) JPS5323761B2 (enrdf_load_stackoverflow)
AU (1) AU466216B2 (enrdf_load_stackoverflow)
DE (1) DE2251909C2 (enrdf_load_stackoverflow)
FR (1) FR2157563A5 (enrdf_load_stackoverflow)
GB (1) GB1399812A (enrdf_load_stackoverflow)
IT (1) IT966411B (enrdf_load_stackoverflow)
SE (1) SE391951B (enrdf_load_stackoverflow)
ZA (1) ZA727376B (enrdf_load_stackoverflow)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983615A (en) * 1973-02-09 1976-10-05 Toyo Kogyo Co., Ltd. Sliding seal member for an internal combustion engine
US4271239A (en) * 1977-07-20 1981-06-02 Brico Engineering Limited Sintered metal articles and process for their manufacture
US4327156A (en) * 1980-05-12 1982-04-27 Minnesota Mining And Manufacturing Company Infiltrated powdered metal composite article
US5145504A (en) * 1991-07-08 1992-09-08 The Dow Chemical Company Boron carbide-copper cermets and method for making same
US5507336A (en) * 1995-01-17 1996-04-16 The Procter & Gamble Company Method of constructing fully dense metal molds and parts
US5906781A (en) * 1996-10-24 1999-05-25 The Procter & Gamble Company Method of using thermally reversible material to form ceramic molds
US5918293A (en) * 1994-05-27 1999-06-29 Hoganas Ab Iron based powder containing Mo, P and C
US5927373A (en) * 1996-10-24 1999-07-27 The Procter & Gamble Company Method of constructing fully dense metal molds and parts
US20060180251A1 (en) * 2005-02-11 2006-08-17 Paul Rivest Copper-based alloys and their use for infiltration of powder metal parts
US20080107558A1 (en) * 2004-02-04 2008-05-08 Gkn Sinter Metals, Inc. Sheet Material Infiltration of Powder Metal Parts
WO2010074627A1 (en) * 2008-12-22 2010-07-01 Höganäs Ab (Publ) Machinability improving composition
CN114367662A (zh) * 2021-12-13 2022-04-19 西安理工大学 微纳双连续孔道的多孔铜的制备方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984158A (en) * 1973-09-10 1976-10-05 Dresser Industries, Inc. Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials
JPS5224613A (en) * 1975-08-19 1977-02-24 Nippon Piston Ring Co Ltd Sliding move part material made of ferrous system sintered alloy for i nternal combustion engine and forming method of its sliding move surfa ce
GB2087929B (en) 1980-11-19 1985-01-09 Brico Eng Sintered metal articles and their manufacture
DE3683428D1 (de) * 1985-07-15 1992-02-27 Scm Metal Products Inc Pulvermetallkoerper mit hoher kerbschlagzaehigkeit und verfahren zu seiner herstellung.
US6676894B2 (en) * 2002-05-29 2004-01-13 Ntn Corporation Copper-infiltrated iron powder article and method of forming same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1071863A (en) * 1965-03-15 1967-06-14 Mitsubishi Kinzoku Kogyu Kabus Lead-impregnated,iron-base,sintered alloy materials for current-collecting slider shoes

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983615A (en) * 1973-02-09 1976-10-05 Toyo Kogyo Co., Ltd. Sliding seal member for an internal combustion engine
US4271239A (en) * 1977-07-20 1981-06-02 Brico Engineering Limited Sintered metal articles and process for their manufacture
DK155982B (da) * 1977-07-20 1989-06-12 Brico Eng Sintret metalemne samt fremgangsmaade til fremstilling af dette og dets anvendelse.
US4327156A (en) * 1980-05-12 1982-04-27 Minnesota Mining And Manufacturing Company Infiltrated powdered metal composite article
US5145504A (en) * 1991-07-08 1992-09-08 The Dow Chemical Company Boron carbide-copper cermets and method for making same
US5918293A (en) * 1994-05-27 1999-06-29 Hoganas Ab Iron based powder containing Mo, P and C
US5507336A (en) * 1995-01-17 1996-04-16 The Procter & Gamble Company Method of constructing fully dense metal molds and parts
US5906781A (en) * 1996-10-24 1999-05-25 The Procter & Gamble Company Method of using thermally reversible material to form ceramic molds
US5927373A (en) * 1996-10-24 1999-07-27 The Procter & Gamble Company Method of constructing fully dense metal molds and parts
US20080107558A1 (en) * 2004-02-04 2008-05-08 Gkn Sinter Metals, Inc. Sheet Material Infiltration of Powder Metal Parts
US7341093B2 (en) 2005-02-11 2008-03-11 Llc 2 Holdings Limited, Llc Copper-based alloys and their use for infiltration of powder metal parts
US20060180251A1 (en) * 2005-02-11 2006-08-17 Paul Rivest Copper-based alloys and their use for infiltration of powder metal parts
US20080138237A1 (en) * 2005-02-11 2008-06-12 Paul Rivest Copper-based alloys and their use for infiltration of powder metal parts
WO2010074627A1 (en) * 2008-12-22 2010-07-01 Höganäs Ab (Publ) Machinability improving composition
CN102325614A (zh) * 2008-12-22 2012-01-18 霍加纳斯股份有限公司 改进可机械加工性的组合物
US8795407B2 (en) 2008-12-22 2014-08-05 Hoganas Ab (Publ) Machinability improving composition
US9393617B2 (en) 2008-12-22 2016-07-19 Hoganas Ab (Publ) Machinability improving composition
CN106735165A (zh) * 2008-12-22 2017-05-31 霍加纳斯股份有限公司 改进可机械加工性的组合物
CN106735165B (zh) * 2008-12-22 2019-09-27 霍加纳斯股份有限公司 改进可机械加工性的组合物
CN114367662A (zh) * 2021-12-13 2022-04-19 西安理工大学 微纳双连续孔道的多孔铜的制备方法
CN114367662B (zh) * 2021-12-13 2024-01-26 西安理工大学 微纳双连续孔道的多孔铜的制备方法

Also Published As

Publication number Publication date
AU466216B2 (en) 1975-10-23
JPS5323761B2 (enrdf_load_stackoverflow) 1978-07-17
ZA727376B (en) 1973-06-27
FR2157563A5 (enrdf_load_stackoverflow) 1973-06-01
JPS4850907A (enrdf_load_stackoverflow) 1973-07-18
IT966411B (it) 1974-02-11
GB1399812A (en) 1975-07-02
DE2251909A1 (de) 1973-04-26
DE2251909C2 (de) 1983-10-27
AU4782172A (en) 1974-04-26
SE391951B (sv) 1977-03-07

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