A lubricant for rolling titanium and titanium alloy strips

A titanium alloy plate and lubricant technology, which is applied in the field of lubricants for titanium and titanium alloy plate and strip rolling, can solve the problems of titanium tool die adhesion and easy cracking, and achieves improved plate surface quality, low energy consumption, and extended use. effect of life

Active Publication Date: 2019-10-22
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The surface of titanium is usually firmly covered with oxide film TiO 2 , this layer of oxide film is particularly brittle, and it is easy to break during the plastic deformation process, so that the fresh titanium metal is exposed and directly contacts the surface of the tool and mold, resulting in the adhesion of the titanium material to the tool and mold during processing.

Method used

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  • A lubricant for rolling titanium and titanium alloy strips
  • A lubricant for rolling titanium and titanium alloy strips

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Step 1: Add 350.0g engine oil and 50.0g tallow into the reaction kettle, heat to 55-65°C, start the agitator and control the speed to 60r / min;

[0022] Step 2: Add 15.0g compound emulsifier (Span-80 and Tween-80 series emulsifiers are prepared at 1:1), 0.25g fluorinated graphene, 1.0g 2,6 di-tert-butyl-p-cresol, 2.5g Higher fatty acid, 0.25g methyl silicone oil, 2.5g tricresyl phosphate, 2.5g triethanolamine and 76.0g water were successively added into the reaction kettle, stirred while adding, continuously stirred for 2-3 hours and cooled to normal temperature.

Embodiment 2

[0024] Step 1: Add 350.0g engine oil and 50.0g tallow into the reaction kettle, heat to 55-65°C, start the agitator and control the speed to 60r / min;

[0025] Step 2: Add 15.0g compound emulsifier (Span-80 and Tween-80 series emulsifiers are prepared at 1:1), 0.5g fluorinated graphene, 1.0g 2,6 di-tert-butyl-p-cresol, 2.5g Higher fatty acid, 0.25g methyl silicone oil, 2.5g tricresyl phosphate, 2.5g triethanolamine and 75.75g water were successively added into the reaction kettle, stirred while adding, continuously stirred for 2-3 hours and cooled to normal temperature.

[0026] The friction and wear characteristics test of the lubricant prepared in Examples 1-2 was completed on a UMT-2MT friction testing machine, using ball-plane contact and reciprocating sliding. The upper sample is GCr15 steel ball with a diameter of Φ4mm; the material of the lower sample is titanium alloy TC11, the sample is ground, the surface roughness is Ra=1.6μm, and the upper and lower samples are clea...

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Abstract

The invention belongs to the technical field of rolling lubrication and in particular relates to a rolling lubricant for titanium and titanium alloy plate strips. The lubricant is composed of the following substances in percentage by mass: 70.0-75.0% of engine oil, 5.0-10.0% of beef tallow, 2.0-4.0% of a compound emulsifier, 0.05-0.1% of fluorinated graphene, 0.1-0.5% of an antioxidant, 0.5-1.0% of an oiliness agent, 0.01-0.05% of an antifoaming agent, 0.5-1.0% of an extreme pressure agent, 0.5-1.5% of an anti-rust agent and the balance of water. The lubricant disclosed by the invention is prepared by applying a nanometer technology the lubricant on the basis of the traditional rolling lubricant and combining the characteristic that halogen elements can form layered structural compounds with titanium. The lubricant has the characteristics of low energy consumption and high temperature resistance, the roll banding phenomenon in the processing flow is improved, the service life of a roller is prolonged, and the plate quality is improved.

Description

technical field [0001] The invention belongs to the technical field of rolling lubrication, and in particular relates to a lubricant for rolling titanium and titanium alloy strips. Background technique [0002] As a rare metal, titanium metal has the characteristics of light weight, high specific strength and corrosion resistance. It is a high-quality corrosion-resistant light structural material, a new type of functional material and an important bioengineering material. These advantages make titanium known as the successor to steel. , the rising "third metal" and "strategic metal" after aluminum. Titanium and titanium alloy processing materials are widely used in petrochemical, aerospace, sporting goods, ships, nuclear power and other industries, among which plate materials are the most widely used, accounting for about 50% of the total consumption of titanium materials. [0003] Rolling process lubrication can reduce the friction coefficient between the roll and the roll...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/00C10N40/24C10N30/08
CPCC10M173/00C10M2201/042C10M2207/021C10M2207/026C10M2207/126C10M2207/289C10M2207/40C10M2209/084C10M2209/103C10M2209/104C10M2209/109C10M2215/042C10M2223/04C10M2223/041C10M2229/041C10N2030/08C10N2040/24C10N2040/244
Inventor 孔宁樊柠松李洪波张杰张清东
Owner UNIV OF SCI & TECH BEIJING
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