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Lubricant for inner surface of TC11 titanium alloy forged pipe

A technology of TC11, titanium alloy, applied in the direction of lubricating composition, petroleum industry, etc., to achieve the effect of stable composition, diffusion coefficient of friction and reduction of friction coefficient

Inactive Publication Date: 2021-04-06
宝鸡拓普达钛业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the process of TC11 heating forging, it is directly affected by the friction between the pipe and the mandrel, the inner surface quality of the pipe and the service life of the mandrel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The lubricant is prepared according to the mass ratio of the following raw materials: 30.0%-40.0% of solid pitch, 20-30% of cylinder oil, 8-12% of molybdenum disulfide, and 30-40% of graphite. The sum of the above components is 100%. According to the ratio of mass percentage in the container, add solid asphalt into the container, heat to melt state, add 50 cylinder oil, stir evenly, then add molybdenum disulfide and graphite, stir while heating, mix fully and uniformly, cool to 25° At the same time, it is made into a block shape of about 1-2kg. The lubricant formulated in Example 1 has good viscosity, a flash point of 980° C., sufficient compatibility, and a coefficient of friction of 0.025.

Embodiment 2

[0026] The lubricant is prepared according to the mass ratio of the following raw materials: 30% of solid pitch, 20-25% of cylinder oil, 8-12% of molybdenum disulfide, and 30-40% of graphite. The sum of the above components is 100%. According to the ratio of mass percentage in the container, add solid asphalt into the container, heat to melt state, add 50 cylinder oil, stir evenly, then add molybdenum disulfide and graphite, stir while heating, mix fully and evenly, cool to 25° At the same time, it is made into a block shape of about 1-2kg. The lubricant formulated in Example 2 has general viscosity, a flash point of 800° C., sufficient compatibility, and a coefficient of friction of 0.05.

Embodiment 3

[0028] The lubricant is prepared according to the mass ratio of the following raw materials: 30% of solid pitch, 25% of cylinder oil, 10% of molybdenum disulfide, and 35% of graphite. The sum of the above components is 100%. According to the ratio of mass percentage in the container, add solid asphalt into the container, heat to melt state, add 50 cylinder oil, stir evenly, then add molybdenum disulfide and graphite, stir while heating, mix fully and evenly, cool to 25° At the same time, it is made into a block shape of about 1-2kg. The lubricant formulated in Example 3 has good viscosity, a flash point of 700° C., sufficient compatibility, and a coefficient of friction of 0.08.

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Abstract

The invention discloses a lubricant for the inner surface of TC11 titanium alloy forged pipe. The lubricant is prepared from the following raw materials in percentage by mass: 20.0%-40.0% of solid asphalt, 20.0%-30.0% of cylinder oil, 8.0%-12.0% of molybdenum disulfide and 30.0%-40.0% of graphite. The lubricant can form a uniform and continuous oil film between the inner surface of a TC11 titanium alloy forging pipe and a core rod (die), so that the adhesion phenomenon is avoided. The TC11 titanium alloy forging pipe lubricating oil has the advantages that the TC11 titanium alloy forging pipe lubricating oil plays roles in lubricating, diffusing and reducing the friction coefficient, is stable in component combination, cannot corrode a TC11 titanium alloy forging pipe and a core rod, and is suitable for lubricating the TC11 titanium alloy pipe in the hot forging machining process.

Description

technical field [0001] The invention relates to the technical field of nonferrous metal processing lubrication, in particular to a lubricant for the inner surface of a TC11 titanium alloy forged tube. Background technique [0002] Compared with other metals, titanium alloy has the characteristics of high specific strength, non-magnetic, small linear expansion coefficient, and strong corrosion resistance. Weapons, aerospace, and aviation have begun to use titanium alloy materials in large quantities. Titanium alloys have become the first choice for important structural materials for high-value platforms. , TC11 is a heat-resistant high-strength alloy with good comprehensive mechanical properties and high strength at room temperature. It has excellent durability and creep strength at 500°C, and has good plasticity and superplasticity in thermal processing. Titanium alloy pipes have been used as combustion chamber shells for solid rocket motors abroad for more than ten years, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/06C10N40/24C10N50/10
CPCC10M169/045C10M2203/1006C10M2203/003C10M2201/066C10M2201/041
Inventor 董洁李宝霞王勇锦冯浩王勇根
Owner 宝鸡拓普达钛业有限公司
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