WO2011047743A1 - Matériau composite constitué de métaux et contenant des nanotubes de carbone répartis (cnt) - Google Patents

Matériau composite constitué de métaux et contenant des nanotubes de carbone répartis (cnt) Download PDF

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Publication number
WO2011047743A1
WO2011047743A1 PCT/EP2010/004781 EP2010004781W WO2011047743A1 WO 2011047743 A1 WO2011047743 A1 WO 2011047743A1 EP 2010004781 W EP2010004781 W EP 2010004781W WO 2011047743 A1 WO2011047743 A1 WO 2011047743A1
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WO
WIPO (PCT)
Prior art keywords
metal
cnts
metals
mixture
metal alloy
Prior art date
Application number
PCT/EP2010/004781
Other languages
German (de)
English (en)
Inventor
Carmilo Veneziano
Alexander Sagel
Original Assignee
Ks Kolbenschmidt Gmbh
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 Ks Kolbenschmidt Gmbh filed Critical Ks Kolbenschmidt Gmbh
Priority to EP10743030A priority Critical patent/EP2491154A1/fr
Publication of WO2011047743A1 publication Critical patent/WO2011047743A1/fr

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Classifications

    • 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
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0408—Light metal alloys
    • C22C1/0416—Aluminium-based alloys
    • 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
    • C22C1/1084—Alloys containing non-metals by mechanical alloying (blending, milling)
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes

Definitions

  • the present invention relates to the production of composites of metals or metal alloys having carbon nanotubes (CNTs) dispersed therein.
  • CNTs carbon nanotubes
  • Composites of metals and CNTs are known and have a high mechanical strength, good thermal conductivity and a low specific gravity. These properties make composites of metals and CNTs interesting materials for high thermal stress machine parts, e.g. for pistons in internal combustion engines.
  • DE 10 2007 051 570 discloses the production of CNT metal composites by heating a laminate of CNT material and metal foils so that the metal penetrates and "infiltrates" the CNT layer, a similar process described in WO 2009/056544 by the infiltration of paper-like, non-woven layers of CNT material with metals at elevated temperature.In order to improve the infiltration, first a treatment of the CNTs with the wetting-promoting metal alloys is carried out.
  • this object is achieved by a method for producing composite materials from carbon nanotubes (CNTs) and metals
  • the mixtures used according to the invention contain one or more first metals and / or metal alloys.
  • the mixture contains metals / metal alloys, which are the dispersion of the CNTs in a molten metal improve.
  • Suitable as the first metal or metal alloy are one or more substances selected from the group nickel, aluminum, titanium.
  • the mixtures may contain 0, 1 - 10 weight percent, preferably 2 - 6 weight percent (based on the total amount of the mixture) of CNTs.
  • the mixture of the CNTs and the first metals or metal alloys is produced by a common grinding process.
  • Ball mills are particularly suitable for this purpose.
  • the meal in a ball mill for a maximum of 0.5 hours at a maximum speed of 200 rpm (revolutions per minute).
  • the milling process is carried out so that the mixture after the grinding process has a mean particle size d 50 more than 75 microns, preferably greater than 100 microns. If the grinding or mixing process is carried out to a powder particle size of d 5 o ⁇ 75 microns, this can lead to the destruction of the CNTs.
  • the resulting mixture is sintered, pressed or extruded at elevated temperature. It has proven to be advantageous to press the mixture in tablet form before this processing step, since in particular sintered tablets are easier to handle in the following.
  • the processed, in particular sintered CNT / metal mixtures are dispersed in the next process step in the melt of at least one second metal and / or a second metal alloy.
  • first and second metals and / or metal alloys may be the same or different.
  • second metal or metal alloy it is also possible to use one or more substances selected from the group of aluminum alloys and cast alloys. To improve the dispersion, it is recommended to mix the melt with an agitator (impeller).
  • the resulting composites may be made by any known powder and melt metallurgy processes such as extrusion, thixoforming, casting, die casting or gravity casting and by molding techniques, e.g. by forming, forging, continuous casting or extrusion.
  • the composite materials produced according to the invention have an increased basic strength while retaining the original elongation behavior and the modulus of elasticity and are particularly suitable for the production of thermally stressed components, such as e.g. Piston suitable in internal combustion engines.
  • the following powder mixtures (particle size ⁇ 45 ⁇ m) were initially used as matrix material for the sintered tablets:
  • the meal was redetermined and set at 0.5 h (at a rotational speed of 200 rpm). Using these parameters, tablets of pure aluminum with 4 wt% and Ti 6 Al 4 V with 4 wt% CNTs were subsequently produced. In the melt test, the tablets of pure aluminum showed a very limited melting. It formed in the crucible a swamp that was soft, but still largely had the shape of the tablets. The aluminum probably melted, but the CNT network of the tablet could not be dissolved (see Figures 2 and 3).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

L'invention concerne un procédé de fabrication de matériaux composites constitués de nanotubes de carbone (CNT) et d'un ou de plusieurs métaux. Ledit procédé comprend la production et le frittage d'un mélange constitué des métaux et des CNT et l'introduction du mélange dans une masse métallique en fusion ou un procédé d'extrusion.
PCT/EP2010/004781 2009-10-19 2010-08-04 Matériau composite constitué de métaux et contenant des nanotubes de carbone répartis (cnt) WO2011047743A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10743030A EP2491154A1 (fr) 2009-10-19 2010-08-04 Matériau composite constitué de métaux et contenant des nanotubes de carbone répartis (cnt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009049963.6 2009-10-19
DE102009049963 2009-10-19

Publications (1)

Publication Number Publication Date
WO2011047743A1 true WO2011047743A1 (fr) 2011-04-28

Family

ID=43432123

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/004781 WO2011047743A1 (fr) 2009-10-19 2010-08-04 Matériau composite constitué de métaux et contenant des nanotubes de carbone répartis (cnt)

Country Status (2)

Country Link
EP (1) EP2491154A1 (fr)
WO (1) WO2011047743A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104372209A (zh) * 2014-10-28 2015-02-25 苏州莱特复合材料有限公司 一种铝基粉末冶金复合材料及其制备方法
CN104789805A (zh) * 2014-11-27 2015-07-22 北京工业大学 一种碳纳米管增强金属基复合材料的制备方法
CN105734322A (zh) * 2016-03-02 2016-07-06 昆明理工大学 一种碳纳米管增强铝基复合材料的制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107988507B (zh) * 2017-12-10 2020-05-08 北京工业大学 一种高碳纳米管含量金属基复合材料的制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1696046A1 (fr) * 2003-12-18 2006-08-30 Shimane Prefectual Government Materiau composite en fibre de carbone a base de metal et procede de production de ce materiau
WO2008052642A1 (fr) * 2006-10-31 2008-05-08 Alcan Technology & Management Ltd. Matériaux contenant des nanotubes de carbone, procédé de fabrication et utilisation de ces matériaux
DE102007051570A1 (de) 2007-10-29 2009-04-30 Austrian Research Centers Gmbh Verfahren zur Herstellung eines Verbundwerkstoffs sowie Verbundwerkstoff, Verbundwerkstoffkörper und Anschlussvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1696046A1 (fr) * 2003-12-18 2006-08-30 Shimane Prefectual Government Materiau composite en fibre de carbone a base de metal et procede de production de ce materiau
WO2008052642A1 (fr) * 2006-10-31 2008-05-08 Alcan Technology & Management Ltd. Matériaux contenant des nanotubes de carbone, procédé de fabrication et utilisation de ces matériaux
DE102007051570A1 (de) 2007-10-29 2009-04-30 Austrian Research Centers Gmbh Verfahren zur Herstellung eines Verbundwerkstoffs sowie Verbundwerkstoff, Verbundwerkstoffkörper und Anschlussvorrichtung
WO2009056544A2 (fr) 2007-10-29 2009-05-07 Futurecarbon Gmbh Procédé de production d'un matériau composite, matériau composite et corps en un matériau composite

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ESAWI A M K ET AL: "Fabrication and properties of dispersed carbon nanotube-aluminum composites", MATERIALS SCIENCE AND ENGINEERING A: STRUCTURAL MATERIALS:PROPERTIES, MICROSTRUCTURE & PROCESSING, LAUSANNE, CH, vol. 508, no. 1-2, 20 May 2009 (2009-05-20), pages 167 - 173, XP026074963, ISSN: 0921-5093, [retrieved on 20090114], DOI: DOI:10.1016/J.MSEA.2009.01.002 *
ESAWI ET AL: "Dispersion of carbon nanotubes (CNTs) in aluminum powder", COMPOSITES PART A: APPLIED SCIENCE AND MANUFACTURING, ELSEVIER SCIENCE PUBLISHERS B.V., AMSTERDAM, NL, vol. 38, no. 2, 5 December 2006 (2006-12-05), pages 646 - 650, XP005793937, ISSN: 1359-835X, DOI: DOI:10.1016/J.COMPOSITESA.2006.04.006 *
MORSI K ET AL: "Effect of mechanical alloying time and carbon nanotube (CNT) content on the evolution of aluminum (Al)-CNT composite powders", JOURNAL OF MATERIALS SCIENCE, KLUWER ACADEMIC PUBLISHERS, BO, vol. 42, no. 13, 9 March 2007 (2007-03-09), pages 4954 - 4959, XP019503425, ISSN: 1573-4803, DOI: DOI:10.1007/S10853-006-0699-Y *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104372209A (zh) * 2014-10-28 2015-02-25 苏州莱特复合材料有限公司 一种铝基粉末冶金复合材料及其制备方法
CN104789805A (zh) * 2014-11-27 2015-07-22 北京工业大学 一种碳纳米管增强金属基复合材料的制备方法
CN105734322A (zh) * 2016-03-02 2016-07-06 昆明理工大学 一种碳纳米管增强铝基复合材料的制备方法

Also Published As

Publication number Publication date
EP2491154A1 (fr) 2012-08-29

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