61results about How to "Good anti-friction and wear resistance" patented technology

A high-strength antifriction and wearable aluminum-manganese bronze alloy is prepared by using Mn, Al, Fe, Zn, Ce, Si, B and Cu as ingredients, and performing casting, hot forging or hot rolling machine-forming; the mass percent of all elements in the high-strength antifriction and wearable aluminum-manganese bronze alloy is 8-10 percent of Mn, 8-10 percent of Al, 1.5-2.5 percent of Fe, 1.5-2.5 percent of Zn, 0.4-0.8 percent of Ce, 0-3 percent of Si, 0-0.4 percent of B and the balance of Cu. The high-strength antifriction and wearable aluminum-manganese bronze alloy overcomes the defects that babbitt metal is low in fatigue strength, and poor in heat resistance, and the adhesion resistance, the compliance, the embedded hidden performance of a copper base alloy and an aluminium base alloy are easily improved in a bad lubrication environment, solves the traditional industry problem that toxic metal such as lead and cadmium causes environmental pollution easily, has relatively high mechanical strength and carrying capacity, is suitable for manufacturing ideal high-strength antifriction and wearable material of components of a friction motion pair under the complex working conditions, such as high speed, heavy load, high temperature and corrosive mediums in industries, such as machinery, metallurgy, energy and chemical engineering, and for example, is suitable for manufacturing a sliding bearing, a worm gear pair, a sliding block, a shaft sleeve, a transmission nut and other components.

The invention relates to a high-performance antifriction and antiwear manganese-aluminum-bronze alloy. According to the technical scheme adopted by the invention, the high-performance antifriction and antiwear manganese-aluminum-bronze alloy is prepared from Mn, Al, Fe, Zn, Ce and Cu by casting and hot forging or hot rolling. The elements of the high-performance antifriction and antiwear manganese-aluminum-bronze alloy comprise 5-10% by mass of Mn, 6-10% by mass of Al, 1.5-2.5% by mass of Fe, 1.5-2.5% by mass of Zn, 0.4-0.8% by mass of Ce and the balance of Cu. The high-performance antifriction and antiwear manganese-aluminum-bronze alloy provided by the invention can be used for overcoming the defects of low fatigue strength and poor heat resistance of babbitt and increase of seizure resistance, compliance resistance and embedment resistance of copper-based alloy and aluminum-based alloy in poor lubrication environment and solving the traditional problem in the field that toxic metals such as lead and cadmium can cause pollution to environment easily. In addition, the high-performance antifriction and antiwear manganese-aluminum-bronze alloy can function as the antifriction and antiwear material of all parts and components of a friction motion pair used in complex conditions of high speed, heavy duty, high temperature and corrosive media in the machinery industry, metallurgy industry, energy industry and chemical industry and can be used for preparing parts and components such as sliding bearings, worm gears, sliding blocks, shaft sleeves and driving nuts.

The invention discloses a device and a method for preparing a toughened amorphous carbon-based multi-phase hybrid film. The device is a radio frequency magnetron sputtering assisted direct current and pulse cathodic arc multi-excitation source plasma coating device. The preparation method includes: drying the pretreated substrate and placing it on the rotating sample stage of the multi-excitation source plasma coating device; Vacuumize, introduce argon gas into the vacuum chamber, and use ion source to sputter and clean the surface of the substrate; use high-purity metal aluminum, titanium and graphite sheets as magnetron sputtering targets, direct current and pulse cathodic arc evaporation targets respectively , enter argon and nitrogen, design multi-phase hybrid film structure according to the formation rules of nanocrystalline and amorphous phases, adjust the sample stage speed, and use multi-excitation source plasma technology to introduce functional doping elements and gradient intermediate layers to prepare amorphous carbon heterogeneous hybrid films. The amorphous carbon-based multi-phase hybrid thin film prepared by the invention has adjustable structure, controllable phase composition distribution, high hardness, high adhesion strength and toughness.

The invention discloses an aqueous epoxy adhering solid lubricant. The lubricant is composed of bi-component aqueous epoxy resins, a solid lubricant, a wear-resisting agent, a surface active agent, an antiseptic agent, an anti-sedimentation agent and water. The lubricant can be coated on the surfaces of processing workpieces such as stainless steel, carbon steel, alloy and the like. The lubricant is characterized in that water is adopted as a solvent, which has no pollution and no damage on bodies of painting constructors; and the coating has the advantages of good antifriction property and excellent physicochemical properties, and can replace an organic solvent type solid lubricant to be used on slide parts of multiple mechanical devices.

The invention provides a polyetherimide-attapulgite-carbon fiber hybrid material and a preparation method thereof, modified UHMWPE and a preparation method thereof, belonging to the technical field of solid lubricating materials. The interfacial bonding between the polyetherimide-attapulgite-carbon fiber hybrid material prepared by the present invention and the UHMWPE matrix is ​​good, and the polyetherimide-attapulgite-carbon fiber hybrid material is used for modification of UHMWPE to obtain The modified UHMWPE has excellent anti-friction and wear resistance properties.

The invention relates to a nano ceramic tool and die material and a preparation method thereof. The ceramic tool and die material is sintered from yttrium stabilized nano ZrO2 serving as matrix, added micro TiB2 and micro alpha-Al2O3 serving as enhancing phases and micro molybdenum, nickel and magnesium oxide serving as sintering aids. The preparation method comprises the following steps: dispersing the nano ZrO2, micro TiB2 and micro alpha-Al2O3 powder respectively, ball-mixing and drying the power to obtain a powdery material, and sintering the powdery material by adopting a hot-pressing method. The method is favorable for improving the mechanical property of the material, and has the advantages of simple preparation, convenient operation and the like. The obtained nano ceramic tool anddie material has good comprehensive mechanical property, friction reduction and abrasion resistance, and can be used for manufacturing cutting tools, dies and other abrasion and corrosion resistant parts.