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NiTiCrCuMo base self-lubrication composite and preparing method thereof

A technology of composite materials and matrix materials, applied in the field of NiTiCrCuMo-based self-lubricating composite materials and their preparation, can solve the problems of further improvement of tribological properties and achieve excellent chemical stability, high load capacity, and low friction and wear characteristics

Active Publication Date: 2020-03-27
HUBEI UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the tribological properties of the existing nickel-based composites containing solid lubricants still need to be further improved

Method used

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  • NiTiCrCuMo base self-lubrication composite and preparing method thereof
  • NiTiCrCuMo base self-lubrication composite and preparing method thereof
  • NiTiCrCuMo base self-lubrication composite and preparing method thereof

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preparation example Construction

[0046] Based on the NiTiCrCuMo-based self-lubricating composite material provided above, the present invention also proposes a method for preparing a NiTiCrCuMo-based self-lubricating composite material, figure 1 Shown is an embodiment of the preparation method of the NiTiCrCuMo-based self-lubricating composite material provided by the present invention. see figure 1 , in this embodiment, the preparation method of the NiTiCrCuMo-based self-lubricating composite material comprises the following steps:

[0047] Step S10, for Au, Ag, Se, Al 2 o 3 Drying treatment of nanoparticles, Li, Ni, Pb, WC nanoparticles, Ni, Ti, Cr, Cu and Mo;

[0048] When selecting raw materials, preferably the Au, Ag, Se, Al 2 o 3 Nanoparticles, Li, Ni, Pb, WC nanoparticles, Ni, Ti, Cr, Cu, and Mo are all in powder form, which is more convenient for subsequent corresponding preparation of spherical powders. Further, the Au, Ag, Se, Al 2 o 3 The particle diameters of nanoparticles, Li, Ni, Pb, WC ...

Embodiment 1

[0060] (1) Composition of NiTiCrCuMo-based self-lubricating composite material:

[0061] Solid lubricating phase AuAgSe-Al 2 o 3 : The mass ratio of Au, Ag and Se is 62:5:1, the total mass of Au, Ag and Se and Al 2 o 3 The mass ratio of nanoparticles is 3:4;

[0062] Regulating agent LiNiPb-WC: the atomic ratio of Li, In and Pb is 1:1:2, the ratio of the total mass of Li, In and Pb to the mass of the WC nanoparticles is 3:1, the W in the WC nanoparticles The atomic ratio to C is 1:0.4;

[0063] Matrix material NiTiCrCuMo: the atomic ratio of Ni, Ti, Cr, Cu and Mo is 2:2:2:1:0.5;

[0064] Matrix material NiTiCrCuMo and solid lubricant phase AuAgSe-Al 2 o 3 The mass ratio of the regulator LiNiPb-WC is 1:0.1, and the mass of the regulator LiNiPb-WC and the solid lubricant phase AuAgSe-Al 2 o 3 The ratio to the total mass of the base material NiTiCrCuMo is 1:3.

[0065] (2) Weigh Au powder, Ag powder, Se powder, Al 2 o 3 Nanoparticles, Li powder, In powder, Pb powder, ...

Embodiment 2

[0070] (1) Composition of NiTiCrCuMo-based self-lubricating composite material:

[0071] Solid lubricating phase AuAgSe-Al 2 o 3 : The mass ratio of Au, Ag and Se is 62:10:4, the total mass of Au, Ag and Se and Al 2 o 3 The mass ratio of nanoparticles is 3:4.5;

[0072] Regulating agent LiNiPb-WC: the atomic ratio of Li, In and Pb is 1:2:3, the ratio of the total mass of Li, In and Pb to the mass of the WC nanoparticles is 3:1.5, the W in the WC nanoparticles The atomic ratio to C is 1:0.5;

[0073] Matrix material NiTiCrCuMo: the atomic ratio of Ni, Ti, Cr, Cu and Mo is 2:2:2:1:0.6;

[0074] Matrix material NiTiCrCuMo and solid lubricant phase AuAgSe-Al 2 o 3 The mass ratio of the regulator LiNiPb-WC is 1:0.15, and the mass of the regulator LiNiPb-WC and the solid lubricant phase AuAgSe-Al 2 o 3 The ratio to the total mass of the base material NiTiCrCuMo is 1:4.

[0075] (2) Weigh Au powder, Ag powder, Se powder, Al 2 o 3 Nanoparticles, Li powder, In powder, Pb po...

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Abstract

The invention discloses a NiTiCrCuMo base self-lubrication composite and a preparing method thereof. The NiTiCrCuMo base self-lubrication composite comprises a solid lubricating phase, a regulating agent and a base material. The solid lubricating phase comprises Au, Ag, Se and Al2O3 particles. The regulating agent includes Li, In, Pb and WC nano particles. The base material includes Ni, Ti, Cr, Cuand Mo. The NiTiCrCuMo base self-lubrication composite has high bearing capability, good thermodynamic performance, good chemical stability, corrosion resistance and low frictional wear characteristics, and very high potential application value and development prospects are achieved in the fields of aerospace, metallurgy building materials, energy machines, ocean deep diving, earth exploration, advanced machines and the like.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to the technical field of alloy materials, in particular to a NiTiCrCuMo-based self-lubricating composite material and a preparation method thereof. Background technique [0002] Friction, wear and lubrication conditions under harsh working conditions such as high temperature, high speed and high load are one of the key factors that determine the thrust-to-weight ratio and service life of space equipment systems such as aero-engines, space vehicles, and spacecraft. Many equipment and components working under high temperature conditions require the tribology system to have a good lubrication state under extreme high temperature conditions. [0003] Nickel alloys have the characteristics of high working temperature, strong seawater corrosion resistance, excellent fatigue resistance and creep resistance, and nickel-based composite materials containing solid lubricants have beco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/02B22F9/08B22F1/00B22F3/105C22C1/05C22C1/10
CPCC22C30/02B22F9/082C22C1/05B22F10/00B22F1/065B22F1/14B22F10/36B22F10/25B22F10/60Y02P10/25
Inventor 周贤明兴祖杨沫邬国秀吴何畏
Owner HUBEI UNIV OF ARTS & SCI