CN110006918B - Penetrant flaw detection agent for penetrant flaw detection process - Google Patents
Penetrant flaw detection agent for penetrant flaw detection process Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
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Abstract
The invention provides a penetrant inspection agent for a penetrant inspection process, which comprises the following components in parts by weight: the penetrant comprises the following components in parts by weight: 100 parts of water; 2-5 parts of a dye; 1-5 parts of potassium hydroxide; 5-10 parts of hydroxypropyl starch phosphate; 2-5 parts of triethanolamine; an imaging agent: 100 parts of water; 3-8 parts of adsorbent, 5-10 parts of absolute ethyl alcohol, 5-10 parts of butoxy diglycol and 2-5 parts of dextrin. In order to overcome the defects of the prior art, the invention provides the penetrant flaw detection agent for the penetrant flaw detection process, which has high flaw detection efficiency, simple operation, no damage to products and high sensitivity.
Description
Technical Field
The invention relates to the technical field of production and processing of dies, in particular to a penetrant flaw detection agent for a penetrant flaw detection process.
Background
The processing technology of the die comprises the following steps: air gouging → flaw detection (removing inclusions and cracks) → scanning → preheating a die → welding → postweld heat treatment → scanning → grinding → inspection and ex-warehouse. The flaw detection process is a process operation for detecting cracks or defects in a metal material or a part. The commonly used flaw detection methods include: x-ray flaw detection, ultrasonic flaw detection, magnetic particle flaw detection, penetration flaw detection, eddy current flaw detection, gamma-ray flaw detection and the like.
The traditional Chinese patent with the patent number of CN201310078214.6 and the patent name of 'fluorescent penetrant for penetrant inspection process' discloses a penetrant inspection agent for the penetrant inspection process for performing fluorescence on surface defects of parts, wherein the whole system is controlled by a single chip microcomputer and a PLC (programmable logic controller), a workpiece needs to be transported to different operation stations by a transport trolley, the designed equipment is various, the operation needs to be precisely controlled, and the working efficiency of flaw detection is low. Therefore, there is a need to develop a more efficient penetrant inspection agent for use in penetrant inspection processes.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the penetrant flaw detection agent for the penetrant flaw detection process, which has high flaw detection efficiency, simple operation, no damage to products and high sensitivity.
The invention provides a penetrant flaw detection agent for a penetrant flaw detection process, which comprises the following components in parts by weight: based on the weight portion, the weight portion of the material,
penetrant:
100 parts of water;
2-5 parts of a dye;
1-5 parts of potassium hydroxide;
5-10 parts of hydroxypropyl starch phosphate;
2-5 parts of triethanolamine;
an imaging agent:
100 parts of water;
3-8 parts of an adsorbent;
5-10 parts of absolute ethyl alcohol;
5-10 parts of butoxy diglycol;
2-5 parts of dextrin.
As a further improvement of the invention, the dye is a mixture of one or more of congo red, carmine and rose bengal.
As a further improvement of the invention, the invention also comprises an emulsifier, wherein the emulsifier comprises the following components in parts by weight:
10-15 parts of milk lark;
20-30 parts of 170-200 ℃ distilled gasoline;
20-25 parts of isopropyl laurate;
50-55 parts of acetone;
20-25 parts of methyl benzoate.
As a further improvement of the invention, the adsorbent comprises the following components in parts by weight:
2-5 parts of zinc oxide;
1-3 parts of magnesium oxide.
As a further improvement of the invention, the developing agent also comprises 5-10 parts by weight of linoleol lactate.
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: sequentially adding the components of the penetrant according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: sequentially adding the components of the emulsifier according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the emulsifier of the penetrant flaw detector; c. preparing a developer: and (3) sequentially adding the components of the developer according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the developer of the penetrant flaw detector.
Compared with the prior art, the invention has the following beneficial effects:
1. the penetrant adopted by the invention has high dyeing and permeation speed, and the wetting performance of the penetrant on the detection surface of the test piece is high, wherein the hydroxypropyl starch phosphate improves the contrast of the penetrant on the detection surface, and further improves the sensitivity of the penetrant.
2. The emulsifier can effectively emulsify the penetrant, so that the penetrant can be directly cleaned and removed by water in the cleaning and removing operation, the penetrant is prevented from being dissolved by a solvent and then cleaned and removed, the time for treating the penetrant after flaw detection is saved, and the flaw detection efficiency is improved.
3. The isopropyl laurate in the emulsifier can improve the stability in an emulsifying system, improve the dispersion of a penetrant in the emulsifying system, improve the removability of the penetrant on a test piece, and further reduce the corrosivity of the penetrant on the test piece.
4. The developing agent has strong adsorbability, can sensitively adsorb penetrant in the defect to the surface of a test piece through capillary action to display fine defects, has high detection efficiency, and the butoxy diglycol can improve the adsorption of zinc oxide in the developing agent, promote the developing agent to display the fine defects of the test piece and improve the color development sensitivity of the developing agent.
5. The linoleate lactate in the developer can improve the flash point of the developer and improve the safety performance of the developer in field flaw detection in high-temperature occasions.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The invention provides a penetrant testing agent for penetrant testing process, and the specific implementation mode is as follows.
Example 1
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 2 parts of Congo red, 1 part of potassium hydroxide, 5 parts of hydroxypropyl starch phosphate and 2 parts of triethanolamine in sequence according to the parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: adding 10 parts of lacto-bailing, 20 parts of 170-phase 200 ℃ distilled gasoline, 20 parts of isopropyl laurate, 50 parts of acetone and 20 parts of methyl benzoate in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts by weight of zinc oxide, 2 parts by weight of magnesium oxide, 1 part by weight of anhydrous ethanol, 5 parts by weight of butoxy diglycol, 2 parts by weight of dextrin and 5 parts by weight of linoleate in sequence, and fully stirring at room temperature to completely dissolve the materials to obtain the developer of the penetrant flaw detector.
Example 2
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 5 parts of carmine, 5 parts of potassium hydroxide, 10 parts of hydroxypropyl starch phosphate and 5 parts of triethanolamine in sequence according to the parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: adding 15 parts of lacto-bailing, 30 parts of 170-phase 200 ℃ distilled gasoline, 25 parts of isopropyl laurate, 55 parts of acetone and 25 parts of methyl benzoate in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts of water, 5 parts of zinc oxide, 3 parts of magnesium oxide, 10 parts of absolute ethyl alcohol, 10 parts of butoxy diglycol, 5 parts of dextrin and 10 parts of linoleol lactate in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the developer of the penetrant inspection agent.
Example 3
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 3 parts of rose bengal, 3 parts of potassium hydroxide, 8 parts of hydroxypropyl starch phosphate and 3 parts of triethanolamine in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: 13 parts of lacto-bailing, 25 parts of 170-200 ℃ distilled gasoline, 22 parts of isopropyl laurate, 52 parts of acetone and 22 parts of methyl benzoate are added in sequence according to the parts by weight, and fully stirred at room temperature to be completely dissolved to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts of water, 3 parts of zinc oxide, 2 parts of magnesium oxide, 8 parts of absolute ethyl alcohol, 8 parts of butoxy diglycol, 3 parts of dextrin and 8 parts of linoleate in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the developer of the penetrant inspection agent.
Example 4
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 3 parts of rose bengal, 3 parts of potassium hydroxide and 3 parts of triethanolamine in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: 13 parts of lacto-bailing, 25 parts of 170-200 ℃ distilled gasoline, 22 parts of isopropyl laurate, 52 parts of acetone and 22 parts of methyl benzoate are added in sequence according to the parts by weight, and fully stirred at room temperature to be completely dissolved to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts of water, 3 parts of zinc oxide, 2 parts of magnesium oxide, 8 parts of absolute ethyl alcohol, 8 parts of butoxy diglycol, 3 parts of dextrin and 8 parts of linoleate in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the developer of the penetrant inspection agent.
Example 5
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 3 parts of rose bengal, 3 parts of potassium hydroxide, 8 parts of hydroxypropyl starch phosphate and 3 parts of triethanolamine in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: 13 parts of lactofen, 25 parts of 170-200 ℃ distilled gasoline, 52 parts of acetone and 22 parts of methyl benzoate are added in sequence according to the parts by weight, and the mixture is fully stirred at room temperature to be completely dissolved to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts of water, 3 parts of zinc oxide, 2 parts of magnesium oxide, 8 parts of absolute ethyl alcohol, 8 parts of butoxy diglycol, 3 parts of dextrin and 8 parts of linoleate in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the developer of the penetrant inspection agent.
Example 6
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 3 parts of rose bengal, 3 parts of potassium hydroxide, 8 parts of hydroxypropyl starch phosphate and 3 parts of triethanolamine in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: 13 parts of lacto-bailing, 25 parts of 170-200 ℃ distilled gasoline, 22 parts of isopropyl laurate, 52 parts of acetone and 22 parts of methyl benzoate are added in sequence according to the parts by weight, and fully stirred at room temperature to be completely dissolved to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts of water, 3 parts of zinc oxide, 2 parts of magnesium oxide, 8 parts of absolute ethyl alcohol and 3 parts of dextrin in sequence according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the developer of the penetrant flaw detector.
Comparative example
The penetrant flaw detector is prepared according to the method of the invention, and the specific operation is as follows: a. preparing a penetrant: adding 100 parts of water, 3 parts of rose bengal, 3 parts of potassium hydroxide and 3 parts of triethanolamine in sequence according to parts by weight, and fully stirring at room temperature to completely dissolve the materials to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: 13 parts of lactofen, 25 parts of 170-200 ℃ distilled gasoline, 52 parts of acetone and 22 parts of methyl benzoate are added in sequence according to the parts by weight, and the mixture is fully stirred at room temperature to be completely dissolved to obtain an emulsifier of the penetrant flaw detector; c. preparing a developer: adding 100 parts of water, 3 parts of zinc oxide, 2 parts of magnesium oxide, 8 parts of absolute ethyl alcohol and 3 parts of dextrin in sequence according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the developer of the penetrant flaw detector.
The penetrant testing specimens of examples 1 to 6 and comparative examples were tested for sensitivity, removability, flash point, developer precipitability, and corrosivity according to GJB593.4-1988 "Specification for quality control of nondestructive inspection-penetrant inspection test", and the results are shown in Table 1 below.
TABLE 1 Performance testing of different samples
As can be seen from table 1 above, it is first shown from the sensitivity characterization results that: examples 1-3, which employ the penetrant flaw detector of the present formulation, have higher sensitivity and clearly show that the penetrant flaw detector is identical to the test sample, while the comparative example has less distinct color development, examples 4-6 lack part of components, and the whole system has different influence on the color development sensitivity, wherein example 4 is the worst sensitivity of examples 1-6, and analysis of hydroxypropyl starch phosphate lacking in the penetrant can improve the sensitivity of the penetrant, and example 6 has poorer sensitivity than example 5, because butoxydiglycol can improve the adsorption of zinc oxide in the developer, promote the developer to show fine defects of the test sample, and can also improve the color development sensitivity of the developer, and the removable characterization results show that: examples 4-6 show that the emulsifier with isopropyl laurate added improves the removability of the penetrant, the flash point performance is shown to be characterized by the addition of linoleate lactate to improve the flash point of the imaging agent, and the imaging agent precipitability characterization result shows that: the solution system added with the imaging agent of butoxy diglycol and linoleol lactate has high stability, and the result of corrosion characterization shows that: the isopropyl laurate penetrant inspection component is added, so that the corrosivity is low, and nondestructive inspection is facilitated.
The detailed description of the penetrant inspection agent for penetrant inspection provided by the present invention can be improved. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A penetrant inspection agent for a penetrant inspection process is characterized in that: comprises the following components and proportions: the penetrant comprises the following components in parts by weight:
100 parts of water;
2-5 parts of a dye;
1-5 parts of potassium hydroxide;
5-10 parts of hydroxypropyl starch phosphate;
2-5 parts of triethanolamine;
an imaging agent:
100 parts of water;
3-8 parts of an adsorbent;
5-10 parts of absolute ethyl alcohol;
5-10 parts of butoxy diglycol;
2-5 parts of dextrin.
2. The penetrant inspection agent for use in a penetrant inspection process of claim 1, wherein: the dye is one or a mixture of Congo red, carmine and rose bengal.
3. The penetrant inspection agent for use in a penetrant inspection process of claim 1, wherein: the emulsifier also comprises an emulsifier, wherein the emulsifier comprises the following components in parts by weight:
10-15 parts of milk lark;
20-30 parts of 170-200 ℃ distilled gasoline;
20-25 parts of isopropyl laurate;
50-55 parts of acetone;
20-25 parts of methyl benzoate.
4. The penetrant inspection agent for use in a penetrant inspection process of claim 1, wherein: the adsorbent comprises the following components in parts by weight:
2-5 parts of zinc oxide;
1-3 parts of magnesium oxide.
5. The penetrant inspection agent for use in a penetrant inspection process of claim 1, wherein: the imaging agent also comprises 5-10 parts of linoleol lactate by weight.
6. A method of producing the penetrant testing agent for penetrant testing process of any one of claims 1 to 5, the method comprising: a. preparing a penetrant: sequentially adding the components of the penetrant according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the penetrant of the penetrant flaw detector; b. preparing an emulsifier: sequentially adding the components of the emulsifier according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the emulsifier of the penetrant flaw detector; c. preparing a developer: and (3) sequentially adding the components of the developer according to the parts by weight, and fully stirring at room temperature to completely dissolve the components to obtain the developer of the penetrant flaw detector.
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| CN111751385B (en) * | 2020-05-15 | 2024-02-02 | 通标标准技术服务有限公司 | Precision metal part surface flaw detection process adopting infiltration method |
| CN113155858A (en) * | 2021-06-07 | 2021-07-23 | 中车戚墅堰机车车辆工艺研究所有限公司 | Water-based biodegradable penetrant, preparation method and application thereof |
| CN113447495A (en) * | 2021-06-29 | 2021-09-28 | 国网黑龙江省电力有限公司电力科学研究院 | High-temperature metal surface flaw detection method |
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