SE1650471A1 - Process for obtaining tight components by powder metallurgy - Google Patents

Process for obtaining tight components by powder metallurgy Download PDF

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Publication number
SE1650471A1
SE1650471A1 SE1650471A SE1650471A SE1650471A1 SE 1650471 A1 SE1650471 A1 SE 1650471A1 SE 1650471 A SE1650471 A SE 1650471A SE 1650471 A SE1650471 A SE 1650471A SE 1650471 A1 SE1650471 A1 SE 1650471A1
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SE
Sweden
Prior art keywords
compact
sulfide
thereoi
subjecting
filling
Prior art date
Application number
SE1650471A
Other languages
Swedish (sv)
Inventor
Roberto Binder
Kaline Pagnan Furlan
Cristiano Binder
Aloisio Nelmo Klein
José Daniel Biasoli De Mello
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Filing date
Publication date
Application filed filed Critical
Publication of SE1650471A1 publication Critical patent/SE1650471A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/1003Use of special medium during sintering, e.g. sintering aid
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/10Alloys containing non-metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0078Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only silicides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05Metallic powder characterised by the size or surface area of the particles
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)

Abstract

The process comprises: mixing a metallic powder defined by iron or nickel or copper or mixtures of two or three ele-. ments thereoi and provided that the sum thereoi defines at least 55% in mass1 the metal matrix1 the component to be produced,. and a molybdenum disulfide powder as a densification agent and as a solid lubricant with a content from 3 to 30% in volume; filling a mold with the mixture and obtaining a compact presenting from 5 to 25% in volume of primary pores (PI); and subjecting the compact to a temperature and for a time sufficient to allow the reaction of the molybdenum disulfide with the matrix, forming iron sulfide, nickel sulfide or copper sulfide, and the diffusion of the molybdenum in the matrix; and subjecting the compact to a temperature sufficient to transform the sulfide into a liquid phase, filling the primary pores (PI) before finishing the sintering step of the compact.
SE1650471A 2013-10-07 2014-10-07 Process for obtaining tight components by powder metallurgy SE1650471A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR102013025874A BR102013025874A2 (en) 2013-10-07 2013-10-07 process for obtaining powder metallurgy from watertight components
PCT/BR2014/000365 WO2015051432A1 (en) 2013-10-07 2014-10-07 Process for obtaining tight components by powder metallurgy

Publications (1)

Publication Number Publication Date
SE1650471A1 true SE1650471A1 (en) 2016-04-07

Family

ID=51846426

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1650471A SE1650471A1 (en) 2013-10-07 2014-10-07 Process for obtaining tight components by powder metallurgy

Country Status (8)

Country Link
US (1) US20160236276A1 (en)
JP (1) JP2016540114A (en)
CN (1) CN105745044A (en)
BR (1) BR102013025874A2 (en)
CA (1) CA2926749A1 (en)
DE (1) DE112014004626T5 (en)
SE (1) SE1650471A1 (en)
WO (1) WO2015051432A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106623905A (en) * 2016-11-16 2017-05-10 马鞍山市恒欣减压器制造有限公司 Low-emission abrasion-resisting ferrum-based powder metallurgical self-lubricating compressed natural gas (CNG) engine valve retainer and manufacturing method thereof
CN112840052A (en) * 2018-03-27 2021-05-25 万腾荣公司 Copper alloy compositions having enhanced thermal conductivity and wear resistance
CN112157267A (en) * 2020-09-21 2021-01-01 南通冠达粉末冶金有限公司 Powder metallurgy oil-retaining bearing material and preparation process thereof
DE102020213651A1 (en) * 2020-10-29 2022-05-05 Mahle International Gmbh Wear-resistant, highly thermally conductive sintered alloy, especially for bearing applications and valve seat inserts
CN116516206B (en) * 2023-04-14 2024-04-02 武汉大学 Copper-molybdenum disulfide composite material for electric contact and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003129150A (en) * 2001-10-22 2003-05-08 Railway Technical Res Inst Copper-base wear resistant sintered alloy for current collecting sliding, and manufacturing method therefor
WO2006080554A1 (en) * 2005-01-31 2006-08-03 Komatsu Ltd. Sintered material, iron-based sintered sliding material and process for producing the same, sliding member and process for producing the same, and connecting apparatus
JP4466957B2 (en) * 2005-03-29 2010-05-26 日立粉末冶金株式会社 Wear-resistant sintered member and manufacturing method thereof
JP4839275B2 (en) * 2007-07-13 2011-12-21 株式会社神戸製鋼所 Mixed powder for powder metallurgy and sintered iron powder
JP5773267B2 (en) * 2011-09-30 2015-09-02 日立化成株式会社 Iron-based sintered sliding member and manufacturing method thereof
CN103042206A (en) * 2013-01-07 2013-04-17 北京科技大学 Method for improving compactibility of iron powder
CN103008667B (en) * 2013-01-07 2015-05-20 北京科技大学 Method for preparing high-density iron-base powder metallurgy parts

Also Published As

Publication number Publication date
WO2015051432A1 (en) 2015-04-16
CA2926749A1 (en) 2015-04-16
JP2016540114A (en) 2016-12-22
US20160236276A1 (en) 2016-08-18
DE112014004626T5 (en) 2016-09-22
CN105745044A (en) 2016-07-06
BR102013025874A2 (en) 2016-04-26

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