EP2650064A2 - Procédé de production de zones composites dans des pièces coulées - Google Patents

Procédé de production de zones composites dans des pièces coulées Download PDF

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Publication number
EP2650064A2
EP2650064A2 EP13460021.2A EP13460021A EP2650064A2 EP 2650064 A2 EP2650064 A2 EP 2650064A2 EP 13460021 A EP13460021 A EP 13460021A EP 2650064 A2 EP2650064 A2 EP 2650064A2
Authority
EP
European Patent Office
Prior art keywords
carbide
carbides
reaction
shaped inserts
mould
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.)
Granted
Application number
EP13460021.2A
Other languages
German (de)
English (en)
Other versions
EP2650064A3 (fr
EP2650064B1 (fr
Inventor
Ewa Olejnik
Andrzej Janas
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.)
Akademia Gomiczo Hutnicza
Original Assignee
Akademia Gomiczo Hutnicza
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Publication date
Application filed by Akademia Gomiczo Hutnicza filed Critical Akademia Gomiczo Hutnicza
Publication of EP2650064A2 publication Critical patent/EP2650064A2/fr
Publication of EP2650064A3 publication Critical patent/EP2650064A3/fr
Application granted granted Critical
Publication of EP2650064B1 publication Critical patent/EP2650064B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/02—Casting in, on, or around objects which form part of the product for making reinforced articles
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
    • C22C1/1052—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites by mixing and casting metal matrix composites with reaction
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-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
    • C22C32/0047—Non-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
    • C22C32/0052—Non-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 carbides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-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
    • C22C32/0084—Non-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 carbon or graphite as the main non-metallic constituent

Definitions

  • the present invention relates to a process of manufacturing composite zones in iron alloy-based castings, designed for structural components resistant to abrasive wear.
  • Iron alloys with increased hardness represent the largest group of materials used in the manufacture of structural components resistant to abrasive wear.
  • these materials the most commonly used are cast steels: mainly martensitic, and austenitic with manganese and chromium, and to a lesser extent cast irons: white martensitic cast iron, as well as chromium cast irons.
  • cast steels mainly martensitic, and austenitic with manganese and chromium
  • cast irons white martensitic cast iron, as well as chromium cast irons.
  • a separate group form composite materials reinforced with hard ceramic phases such as nitrides, carbides, borides or oxides.
  • One of the methods to obtain hard ceramic phases is the SHS method ( self-propagating high-temperature synthesis ) disclosed, inter alia, in the publication by A.G.
  • Polish patent specification No. 167 197 discloses a method for manufacturing by the casting route a layered material, wherein the said method consists in this that on the bottom of the mould cavity, or on a "scaffold" in the mould cavity, a ceramic component in the form of granular electrocorundum layer is introduced, said ceramic component being next poured with cast aluminium alloy.
  • patent application CN 1868635 discloses a method for obtaining a composite material based on steel, locally reinforced with TiC particles, which are synthesized from the compacted mixture of powders of Al, C, and Ti-Fe at high temperature in a foundry mould.
  • a method for producing composite zones in castings according to the present invention consists in this that on the walls and / or on the bottom of a foundry mould or die, shaped inserts are placed, comprising the reactants of synthesis of the selected type of carbide undergoing the SHS reaction, wherein the group of carbides comprises carbides of niobium, titanium, tantalum, molybdenum, vanadium, tungsten and zirconium.
  • the mutual atomic ratio of components necessary for the reaction of the formation of a given carbide is corresponding to the stoichiometry of this carbide.
  • the shaped inserts comprising a metal - graphite mixture are prepared by the known methods of powder metallurgy, and when placed in the mould cavity or die cavity are poured with the previously prepared iron-based cast alloy.
  • Hard and abrasive wear-resistant ceramic phases of the MeC type (where Me - Ti, Nb, Mo, Zr, W, V, Ta) are formed in situ by reaction that takes place between the, placed on the walls and / or on the bottom of a mould or die, reactants and liquid alloy poured into the said mould or die.
  • the introduced components are undergoing the reaction of SHS (self propagating high-temperature synthesis), as a result of which, in the liquid alloy, carbides are locally generated, to form, after the casting crystallisation process, a composite zone.
  • SHS self propagating high-temperature synthesis
  • the method guarantees the creation of areas reinforced with ceramic phases in strictly determined places of the casting.
  • the process of the creation of an area resistant to abrasive wear occurs simultaneously with the process conferring to the cast detail its ultimate, final shape.
  • An important advantage of the method according to the present invention is the possibility of transforming the selected area of casting into a composite, wherein the reinforcement is accomplished by in situ synthesis of a high-melting point, hard ceramic phase of the MeC type.
  • a composite containing carbides is produced, the matrix of the locally produced composite being an iron-based cast alloy, while the reinforcing phase is composed of carbides.
  • Example. A mixture of reactants for the TiC carbide synthesis was prepared by mixing titanium powder having a purity of 99.98% and a particle size of ⁇ 40 ⁇ m and graphite powder having a purity of 99.99% and a particle size of ⁇ 40 ⁇ m. The powders were combined together while maintaining the atomic ratio of 1:1 and were stirred for 6 h in the absence of oxygen. Thus prepared mixture was divided into batches and subjected to compaction in a die under a pressure of 500 MPa. Compacted shaped inserts of dimensions 5 ⁇ 10 ⁇ 45 mm were obtained, and then the shaped inserts were glued to the walls of a mould made of bentonite sand mixture.
  • the cast alloy corresponding with its composition to the composition of a ferritic nodular graphite cast iron grade according to EN-GJS-350-22-LT (PN-EN-1563) was prepared, and was next poured into a mould.
  • the surface of the shaped insert contacting the hot liquid metal initiates the exothermic reaction of synthesis (SHS) of the reinforcing phase, as a result of which a composite area reinforced with TiC carbides is formed in the casting.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
EP13460021.2A 2012-04-10 2013-04-08 Procédé de production de zones composites dans des pièces coulées Active EP2650064B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL398770A PL398770A1 (pl) 2012-04-10 2012-04-10 Sposób wytwarzania stref kompozytowych w odlewach

Publications (3)

Publication Number Publication Date
EP2650064A2 true EP2650064A2 (fr) 2013-10-16
EP2650064A3 EP2650064A3 (fr) 2014-04-30
EP2650064B1 EP2650064B1 (fr) 2017-11-01

Family

ID=47624875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13460021.2A Active EP2650064B1 (fr) 2012-04-10 2013-04-08 Procédé de production de zones composites dans des pièces coulées

Country Status (2)

Country Link
EP (1) EP2650064B1 (fr)
PL (1) PL398770A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015103670A1 (fr) * 2014-01-09 2015-07-16 Bradken Uk Limited Élément d'usure incorporant des particules résistant à l'usure et son procédé de fabrication
CN108348995A (zh) * 2015-11-12 2018-07-31 伊诺科有限责任公司 用于制造铸造嵌件的粉末组合物、铸造嵌件以及在铸件中获得局部复合区的方法
CN113766984A (zh) * 2019-04-30 2021-12-07 伊诺科有限责任公司 基于原位制造的合金的用碳化钨增强的复合材料及其生产方法
EP4198155A1 (fr) * 2021-12-17 2023-06-21 Sandvik SRP AB Acier au manganèse renforcé au carbure de niobium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL190605A1 (pl) 1976-06-19 1978-01-02 B Pk Przemy Mat Budowlanych Mechanizm napedowy bebna,zwlaszcza w pluczce bebnowej
PL167197B1 (pl) 1991-05-10 1995-08-31 Inst Metali Niezelaznych Warstwowy materiał o osnowie metalowej i sposób wytwarzania warstwowego materiału o osnowie metalowej
CN1868635A (zh) 2006-04-19 2006-11-29 吉林大学 铸型内合成TiC颗粒局部增强钢基复合材料的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509555A (en) * 1994-06-03 1996-04-23 Massachusetts Institute Of Technology Method for producing an article by pressureless reactive infiltration
GB2395360B (en) * 2001-10-26 2005-03-16 Ngk Insulators Ltd Heat sink material
CA2468352C (fr) * 2001-12-04 2010-06-15 Claude Poncin Pieces de fonderie avec une resistance accrue a l'usure
BE1018129A3 (fr) * 2008-09-19 2010-05-04 Magotteaux Int Impacteur composite pour concasseurs a percussion.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL190605A1 (pl) 1976-06-19 1978-01-02 B Pk Przemy Mat Budowlanych Mechanizm napedowy bebna,zwlaszcza w pluczce bebnowej
PL167197B1 (pl) 1991-05-10 1995-08-31 Inst Metali Niezelaznych Warstwowy materiał o osnowie metalowej i sposób wytwarzania warstwowego materiału o osnowie metalowej
CN1868635A (zh) 2006-04-19 2006-11-29 吉林大学 铸型内合成TiC颗粒局部增强钢基复合材料的制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
A.G. MERZHANOV: "Journal of Materials Processing Technology", vol. 56, 1996, pages: 222 - 241

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015103670A1 (fr) * 2014-01-09 2015-07-16 Bradken Uk Limited Élément d'usure incorporant des particules résistant à l'usure et son procédé de fabrication
CN108348995A (zh) * 2015-11-12 2018-07-31 伊诺科有限责任公司 用于制造铸造嵌件的粉末组合物、铸造嵌件以及在铸件中获得局部复合区的方法
CN108348995B (zh) * 2015-11-12 2021-11-16 伊诺科有限责任公司 用于制造铸造嵌件的粉末组合物、铸造嵌件以及在铸件中获得局部复合区的方法
CN113766984A (zh) * 2019-04-30 2021-12-07 伊诺科有限责任公司 基于原位制造的合金的用碳化钨增强的复合材料及其生产方法
CN113766984B (zh) * 2019-04-30 2023-09-22 伊诺科有限责任公司 基于原位制造的合金的用碳化钨增强的复合材料及其生产方法
EP4198155A1 (fr) * 2021-12-17 2023-06-21 Sandvik SRP AB Acier au manganèse renforcé au carbure de niobium
WO2023111114A1 (fr) * 2021-12-17 2023-06-22 Sandvik Srp Ab Acier au manganèse renforcé au carbure de niobium

Also Published As

Publication number Publication date
EP2650064A3 (fr) 2014-04-30
EP2650064B1 (fr) 2017-11-01
PL398770A1 (pl) 2013-01-07

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