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Radiographic inspection compensating daub for materials with unequal thicknesses and preparation method thereof

A technology of radiography and cement, which is applied in the field of radiographic inspection, can solve the problems of compensating the composition of the cement and the preparation method, which is rarely studied, and achieves the effects of convenient preparation and use, low cost of raw materials, and easy acquisition

Inactive Publication Date: 2011-08-17
WUHAN IRON & STEEL (GROUP) CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still little research on the composition and preparation method of the compensation cement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] This embodiment is an iron material radiographic inspection compensation cement for radiographic inspection and compensation of iron products. The cement is composed of iron powder, transformer oil, glycerin, stearic acid and a curing agent. Wherein, the volume ratio of iron powder and transformer oil is 3: 1, the volume of glycerin is 1.3% of the total volume after iron powder and transformer oil are mixed, and the volume of stearic acid is 1.3% of the total volume after iron powder and transformer oil are mixed. 0.9%; the volume of curing agent is 0.2% of the total volume after iron powder and transformer oil are mixed. The transformer oil is preferably 20# transformer oil, and may also be other transformer oils. The particle size of the iron powder can be selected as 80 mesh.

[0016] The preparation method of the compensating cement for radiographic inspection of iron materials in this embodiment will be described below. After weighing the above raw materials acco...

Embodiment 2

[0019] This embodiment is the copper material radiographic inspection and compensation cement for radiographic inspection and compensation of copper workpieces. The cement is composed of copper powder, transformer oil, glycerin, stearic acid and a curing agent. Wherein, the volume ratio of copper powder and transformer oil is 3: 1, and the volume of glycerin is 1.0% of the total volume after copper powder and transformer oil mix, and the volume of stearic acid is 1.0% of the total volume after copper powder and transformer oil mix. 0.8%; the volume of the curing agent is 0.1% of the total volume of the mixed copper powder and transformer oil. The transformer oil is preferably 20# transformer oil, and may also be other transformer oils. The particle size of the copper powder can be selected as 100 mesh.

[0020] The preparation method of the compensation cement for radiographic inspection of copper materials in this embodiment will be described below. After weighing the above...

Embodiment 3

[0023] This embodiment is an aluminum material radiographic inspection and compensation cement for radiographic inspection and compensation of aluminum products. The cement is composed of aluminum powder, transformer oil, glycerin, stearic acid and a curing agent. Wherein, the volume ratio of aluminum powder and transformer oil is 3: 1, the volume of glycerin is 2.0% of the total volume after aluminum powder and transformer oil are mixed, and the volume of stearic acid is 2.0% of the total volume after aluminum powder and transformer oil are mixed. 1.2%; the volume of curing agent is 0.5% of the total volume after the aluminum powder and transformer oil are mixed. The transformer oil is preferably 20# transformer oil, and may also be other transformer oils. The particle size of the aluminum powder can be selected to be 120 mesh.

[0024] The preparation method of the compensation cement for radiographic inspection of aluminum materials in this embodiment will be described bel...

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Abstract

The invention discloses a radiographic inspection compensating daub for materials with unequal thicknesses. The daub is composed of metal powder a material of which is as same as the material of a workpiece to be detected, transformer oil, glycerol, stearic acid and a curing agent, wherein the volume ratio of the metal powder to the transformer oil is 3:1; the glycerol accounts for 1-2% of the total volume of the metal powder and the transformer oil; the stearic acid accounts for 0.7-1.2% of the total volume of the metal powder and the transformer oil; and the curing agent accounts for 0.1-0.5% of the total volume of the metal powder and the transformer oil. The invention also discloses a method for preparing the compensating daub. The radiographic inspection compensating daub for the materials with unequal thicknesses has the advantages of low cost and convenience for manufacture and use.

Description

technical field [0001] The invention relates to the technical field of radiographic inspection, in particular to a compensation cement for radiographic inspection of materials with different thicknesses and a preparation method thereof. Background technique [0002] Radiographic inspection is one of the main inspection methods in industrial production. When performing radiographic inspection of welded structural parts with different thicknesses, images with different blackness will be produced on the film, which will have a greater impact on the judgment results. Therefore, Compensation is required to produce a uniform black image on the film for improved inspection quality. [0003] The current compensation method for radiographic inspection is usually to use compensation powder. This method is more practical for the laboratory to make some flat or workpieces with inner cavities. But when the workpiece is in an irregular position configuration or the workpiece is located o...

Claims

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Application Information

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IPC IPC(8): G01N1/38G01N23/04
Inventor 刘国波陈士华秦健周运武余少安金勇李志利
Owner WUHAN IRON & STEEL (GROUP) CORP
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