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Lubricant for wall reduction and drawing of titanium alloy pipe and using method thereof

A titanium alloy and lubricant technology, applied in the field of lubricants, can solve the problems of slow lubricant replenishment and poor surface wettability, and achieve the effects of simple formula, moderate fluidity, and improved flaw detection pass rate.

Active Publication Date: 2014-12-31
NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fluorophosphate coating on the surface of titanium alloy is usually thin (1-2 μm), and its surface wettability is poor, that is, the wetting angle with the water-based lubricant particles is small. Slow lubricant replenishment, not suitable for titanium alloy wall reduction drawing

Method used

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  • Lubricant for wall reduction and drawing of titanium alloy pipe and using method thereof
  • Lubricant for wall reduction and drawing of titanium alloy pipe and using method thereof

Examples

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Effect test

Embodiment 1

[0021] In this embodiment, the lubricant for drawing titanium alloy pipes for wall reduction is composed of the following components by weight percentage: 96% chlorinated paraffin, 4% BN; 96% by weight of chlorinated paraffin 52 and 4% by weight of BN Mix and stir evenly to obtain the lubricant for wall reduction and drawing of titanium alloy pipes in this embodiment. The chlorinated paraffin is chlorinated paraffin 52, and the BN is hexagonal boron nitride powder with an average particle size of 0.6 μm; the viscosity of the lubricant for wall reduction and drawing described in this embodiment is 200 mPa·s.

[0022] The use method of the lubricant for drawing the titanium alloy pipe material for wall reduction in this embodiment is as follows: clean the titanium alloy pipe material, heat treat the titanium alloy pipe material after drying, and then apply the lubricant to the inner and outer surfaces of the titanium alloy pipe material after heat treatment. Apply a layer of lub...

Embodiment 2

[0025] In this embodiment, the lubricant for drawing titanium alloy pipes for wall reduction is composed of the following components by weight percentage: 90% chlorinated paraffin, 10% BN; 90% by weight of chlorinated paraffin 52 and 10% by weight of BN Mix and stir evenly to obtain the lubricant for wall reduction and drawing of titanium alloy pipes in this embodiment. The chlorinated paraffin is chlorinated paraffin 52, and the BN is hexagonal boron nitride powder with an average particle size of 0.6 μm; the viscosity of the lubricant for wall reduction and drawing described in this embodiment is 265 mPa·s.

[0026] The use method of the lubricant for drawing the titanium alloy pipe material for wall reduction in this embodiment is as follows: clean the titanium alloy pipe material, heat treat the titanium alloy pipe material after drying, and then apply the lubricant to the inner and outer surfaces of the titanium alloy pipe material after heat treatment. Apply a layer of l...

Embodiment 3

[0029] In this embodiment, the lubricant for drawing titanium alloy pipes for wall reduction is composed of the following components by weight percentage: chlorinated paraffin 85%, BN 15%; the weight percentage is 90% chlorinated paraffin 52 and the mass fraction is 10% BN Mix and stir evenly to obtain the lubricant for wall reduction and drawing of titanium alloy pipes in this embodiment. The chlorinated paraffin is chlorinated paraffin 52, and the BN is hexagonal boron nitride powder with an average particle size of 0.6 μm; the viscosity of the lubricant for wall reduction and drawing described in this embodiment is 300 mPa·s.

[0030] The use method of the lubricant for drawing the titanium alloy pipe material for wall reduction in this embodiment is as follows: clean the titanium alloy pipe material, heat treat the titanium alloy pipe material after drying, and then apply the lubricant to the inner and outer surfaces of the titanium alloy pipe material after heat treatment....

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Abstract

The invention discloses a lubricant for wall reduction and drawing of a titanium alloy pipe and a using method thereof. The lubricant is made by uniformly mixing and stirring the following raw materials in percentage by weight: 85-96% of chlorinated paraffin and 4-15% of BN (Boron Nitride). The using method of the lubricant comprises the following steps of: cleaning the titanium alloy pipe, carrying out heat treatment on the titanium alloy pipe after baking, respectively smearing a layer of the lubricant on the inner and the outer surfaces of the titanium alloy pipe after the heat treatment, rolling one end of the titanium alloy pipe, putting a moving core head in the titanium alloy pipe and carrying out the wall reduction and the drawing to obtain the titanium alloy pipe. The lubricant disclosed by the invention has the characteristics of capability of continuous self-lubrication, good lubricant adhering effect, simplicity in composition proportioning, easiness in cleaning and removing, environmental protection, no pollution and the like. By adopting the lubricant disclosed by the invention, the titanium alloy pipe drawing production efficiency can be effectively increased.

Description

technical field [0001] The invention belongs to the technical field of lubricants, and in particular relates to a lubricant for wall reduction and drawing of titanium alloy pipes and a use method thereof. Background technique [0002] Titanium and titanium alloys have a close-packed hexagonal structure at room temperature, and there are few slip systems that can participate in deformation. It is difficult to deform the metal, and it is usually impossible to achieve wall-reducing drawing with a large amount of deformation. At the same time, rare metals such as titanium have a strong affinity with mold materials (steel, tungsten carbide, etc.), and the pressure conditions and temperature rise during the drawing process make the metal easily bonded to the mold, which not only scratches the surface of the product, but also makes the drawing The force increases, the safety factor decreases, the number of broken ends increases, and even the drawing process cannot be carried out. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C9/02B21C1/24
Inventor 杨英丽郭荻子赵恒章苏航标赵彬罗媛媛吴金平卢亚锋邢健贠鹏飞
Owner NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
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