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Titanium alloy extrusion lubricant, preparation and use methods thereof

A technology for lubricants and titanium alloys, applied in the directions of lubricating compositions, petroleum industry, base materials, etc., can solve the problems of peeling defects on the surface of extrusion parts, poor plastic workability, and high strength of titanium alloys, and achieve excellent high-temperature lubrication. performance, improved surface quality, and improved life expectancy

Inactive Publication Date: 2012-08-29
厦门火炬特种金属材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Titanium alloy has the characteristics of high strength and poor plastic processing performance. It is easy to stick to the mold during the extrusion process. If the lubrication is poor, it will not only damage the mold, but also cause serious peeling defects on the surface of the extrusion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A titanium alloy extrusion lubricant, the lubricant is composed of the following components by weight percentage: W glass: 600g, heat-resistant water-soluble cellulose (commercially available methyl cellulose, the decomposition temperature is not lower than 500°C): 250g, water: 150g.

[0015] The W glass consists of the following components by weight percentage: Al 2 o 3 : 11%, B 2 o 3 : 9%, Co 2 o 3 : 6%, CaO: 3%, BaO: 4%, PbO: 4%, SiO 2 : 63%.

[0016] A preparation method of a titanium alloy extrusion lubricant, the method steps are,

[0017] (1) Prepare W glass in proportion, melt it in a silicon-molybdenum rod electric furnace, the melting temperature is 1400°C, it will become liquid after 2 hours, quenched in water, dried, ground and crushed to 180-200 mesh, and the particle size is not greater than 0.08mm. W glass powder;

[0018] (2) W glass powder: 600g, heat-resistant water-soluble cellulose: 250g, water: 150g were mixed and ball milled for 1.5 hours ...

Embodiment 2

[0022] A titanium alloy extrusion lubricant, the lubricant is composed of the following components by weight percentage: W glass: 650g, heat-resistant water-soluble cellulose (commercially available methyl cellulose, the decomposition temperature is not lower than 500°C): 220g, water: 130g.

[0023] The W glass consists of the following components by weight percentage: Al 2 o 3 : 12%, B 2 o 3 : 10%, Co 2 o 3 : 5%, CaO: 5%, BaO: 5%, PbO: 5%, SiO 2 : 58%.

[0024] A preparation method of a titanium alloy extrusion lubricant, the method steps are,

[0025] (1) Prepare W glass in proportion, melt it in a silicon-molybdenum rod electric furnace, the melting temperature is 1400°C, and turn into a liquid state after 3 hours, water quenching, drying, grinding and crushing to 180-200 mesh, and obtain a particle size not greater than 0.08mm W glass powder;

[0026] (2) W glass powder: 650g, heat-resistant water-soluble cellulose: 220g, water: 130g were mixed and ball milled for...

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Abstract

The invention relates to a titanium alloy extrusion lubricant, preparation and use methods thereof, belonging to the technical field of high temperature lubricant material. The lubricant comprises the following components in weight percent: 60-65% of W glass, 20-25% of heat-resistant water-soluble cellulose and 10-20% of water. The preparation method comprises the following steps: preparing W glass in proportion, water quenching, drying, grinding and smashing to obtain W glass powder, mixing and ball-milling W glass powder, heat-resistant water-soluble cellulose and water to obtain titanium alloy extrusion lubricant, pre-heating extrusion ingot blank, coating the lubricant on the ingot blank and drying, heating the ingot to extrusion temperature and then extruding. The titanium alloy extrusion lubricant provided in the invention has excellent high temperature lubrication performance, extrusion force of the titanium alloy extrusion lubricant is reduced by 10-15% in comparison with common lubricant, the surface quality of the extruding piece can be obviously improved, the service life of the extruding mold is prolonged, the product quality is enhanced, the production cost is saved, and the production efficiency is increased.

Description

technical field [0001] The invention belongs to the technical field of high-temperature lubricating materials, and in particular relates to a titanium alloy extrusion lubricant and a preparation and use method thereof. Background technique [0002] Titanium and titanium alloys have been used as key structural and functional parts in aviation, aerospace, shipbuilding, petrochemical and other industries. Titanium alloy pipes are mainly produced by hot extrusion processing, and lubrication is one of the most critical technical links in extrusion processing. Titanium alloy has the characteristics of high strength and poor plastic processing performance. It is easy to stick to the mold during the extrusion process. If the lubrication is not good, it will not only damage the mold, but also cause serious peeling defects on the surface of the extrusion. Contents of the invention [0003] The purpose of the present invention is to provide a titanium alloy extrusion lubricant and i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M103/06C10N30/06
Inventor 范荣辉
Owner 厦门火炬特种金属材料有限公司
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