CN113447495A - High-temperature metal surface flaw detection method - Google Patents

High-temperature metal surface flaw detection method Download PDF

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Publication number
CN113447495A
CN113447495A CN202110732828.6A CN202110732828A CN113447495A CN 113447495 A CN113447495 A CN 113447495A CN 202110732828 A CN202110732828 A CN 202110732828A CN 113447495 A CN113447495 A CN 113447495A
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China
Prior art keywords
parts
flaw detection
temperature metal
metal surface
mass
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Pending
Application number
CN202110732828.6A
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Chinese (zh)
Inventor
王晓林
王玉喜
高凯
罗桓桓
盛玉和
孙清民
杜利梅
马晶妍
王栾兰
孙海明
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State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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Application filed by State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute, State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute
Priority to CN202110732828.6A priority Critical patent/CN113447495A/en
Publication of CN113447495A publication Critical patent/CN113447495A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/91Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses a high-temperature metal surface flaw detection method, and relates to a high-temperature metal surface flaw detection method. The invention aims to solve the problem that the existing liquid penetration method has low precision in high-temperature metal flaw detection, and the method comprises the following steps: cleaning, then adopting penetrant with high penetration speed and developer with good adhesiveness to quickly detect metal parts with surface temperature of 130-180 deg.C, and detecting width of 10‑4mm, and a width-to-depth ratio of 1/60. The invention is applied to the field of metal flaw detection.

Description

High-temperature metal surface flaw detection method
Technical Field
The invention relates to a high-temperature metal surface flaw detection method.
Background
The basic principle of liquid penetration inspection is based on the wetting ability of liquid to solid and capillary phenomenon in physics, and the method includes soaking or coating the workpiece to be inspected with penetrating liquid with high penetration ability, so that the penetrating liquid penetrates into the surface defect of the workpiece due to the wetting action and capillary phenomenon of liquid, cleaning the excessive penetrating liquid except the defect of the workpiece, coating a layer of white developer with strong affinity adsorption force, sucking out the penetrating liquid penetrating into the crack, and displaying the sharp pattern of the shape and position of the defect on the white coating.
However, the existing liquid penetration method is used for high-temperature metal flaw detection, and when the penetration flaw detection agent is applied to a high-temperature surface, the penetration flaw detection agent is evaporated, so that the flaw detection accuracy is low, and the application of the method to the flaw detection of the high-temperature metal workpiece is restricted.
Disclosure of Invention
The invention aims to solve the problem that the existing liquid penetration method is low in precision in high-temperature metal flaw detection, and provides a high-temperature metal surface flaw detection method.
The invention relates to a high-temperature metal surface flaw detection method, which comprises the following steps:
removing slag, oxide skin, rust and oil stain on the surface of a metal part to be detected, then washing with water and drying; then acid cleaning, ultrasonic cleaning and drying are carried out, and the cleaned metal part is obtained;
secondly, applying a flaw detection agent on the surface to be detected of the cleaned metal part, wherein the penetration time is 8-15min, and then washing with water to remove the redundant flaw detection agent; wherein the flaw detector consists of 40-60 parts of diisooctyl phthalate, 15-20 parts of hydroxypropyl starch phosphate, 30-40 parts of propylene carbonate, 1-3 parts of sodium dodecyl benzene sulfonate and 3-5 parts of rose bengal in parts by weight;
thirdly, uniformly spraying a developer on the surface to be detected of the metal part, and finishing; the developing agent consists of 7-10 parts of butoxy diglycol, 4-8 parts of sorbitol, 5-15 parts of ethyl acetate, 6-8 parts of silicon carbide and 3-6 parts of polyoxyethylene ether in parts by mass.
The invention has the following beneficial effects:
the penetrant of the invention has high penetration speed and high wetting performance on the surface to be detected, reduces the retention time of the penetrant on the high-temperature metal surface, reduces the influence of high temperature on the penetrant, and the hydroxypropyl starch phosphate improves the contrast of the penetrant on the detection surface, thereby improving the sensitivity of the penetrant. The developer has strong adsorbability, can sensitively display fine defects, has high detection efficiency, can quickly detect the flaw of a metal part with the surface temperature of 130--4mm, and a width-to-depth ratio of 1/60.
Detailed Description
The technical solution of the present invention is not limited to the specific embodiments listed below, and includes any combination of the specific embodiments.
The first embodiment is as follows: the high-temperature metal surface flaw detection method of the embodiment comprises the following steps:
removing slag, oxide skin, rust and oil stain on the surface of a metal part to be detected, then washing with water and drying; then acid cleaning, ultrasonic cleaning and drying are carried out, and the cleaned metal part is obtained;
secondly, applying a flaw detection agent on the surface to be detected of the cleaned metal part, wherein the penetration time is 8-15min, and then washing with water to remove the redundant flaw detection agent; wherein the flaw detector consists of 40-60 parts of diisooctyl phthalate, 15-20 parts of hydroxypropyl starch phosphate, 30-40 parts of propylene carbonate, 1-3 parts of sodium dodecyl benzene sulfonate and 3-5 parts of rose bengal in parts by weight;
thirdly, uniformly spraying a developer on the surface to be detected of the metal part, and finishing; the developing agent consists of 7-10 parts of butoxy diglycol, 4-8 parts of sorbitol, 5-15 parts of ethyl acetate, 6-8 parts of silicon carbide and 3-6 parts of polyoxyethylene ether in parts by mass.
The embodiment has the following beneficial effects:
the embodiment has the advantages that the penetrating agent has high penetrating speed and high wetting performance on the surface to be detected, the retention time of the high-temperature metal surface of the penetrating agent is shortened, the influence of high temperature on the surface is reduced, and the contrast of the penetrating agent on the detection surface is improved by the hydroxypropyl starch phosphate, so that the sensitivity of the penetrating agent is improved. The developer of the embodiment has strong adsorbability, can sensitively display fine defects, has high detection efficiency, can quickly detect the flaw of a metal part with the surface temperature of 130--4mm, and a width-to-depth ratio of 1/60.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: and step one, adopting citric acid for pickling. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: and in the step one, ultrasonic cleaning is carried out for 10 min. The others are the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: the flaw detector consists of 50 parts of diisooctyl phthalate, 18 parts of hydroxypropyl starch phosphate, 35 parts of propylene carbonate, 2 parts of sodium dodecyl benzene sulfonate and 4 parts of rose bengal in parts by weight. The rest is the same as one of the first to third embodiments.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: and in the second step, the permeation time is 12 min. The rest is the same as one of the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is: the developer consists of 9 parts of butoxy diglycol, 6 parts of sorbitol, 10 parts of ethyl acetate, 7 parts of silicon carbide and 5 parts of polyoxyethylene ether in parts by mass. The rest is the same as one of the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: and spraying the developer for 10min and observing. The rest is the same as one of the first to sixth embodiments.
The following examples were used to demonstrate the beneficial effects of the present invention:
the first embodiment is as follows: the high-temperature metal surface flaw detection method comprises the following steps:
removing slag, oxide skin, rust and oil stain on the surface of a metal part to be detected, then washing with water and drying; then acid cleaning, ultrasonic cleaning and drying are carried out, and the cleaned metal part is obtained;
secondly, applying a flaw detection agent on the surface to be detected of the cleaned metal part, wherein the penetration time is 12min, and then washing with water to remove the redundant flaw detection agent; the flaw detector consists of 50 parts of diisooctyl phthalate, 18 parts of hydroxypropyl starch phosphate, 35 parts of propylene carbonate, 2 parts of sodium dodecyl benzene sulfonate and 4 parts of rose bengal in parts by weight;
thirdly, uniformly spraying a developer on the surface to be detected of the metal part, and finishing; the developer consists of 9 parts of butoxy diglycol, 6 parts of sorbitol, 10 parts of ethyl acetate, 7 parts of silicon carbide and 5 parts of polyoxyethylene ether in parts by mass.
Using the method of this example, a metal part having a surface temperature of 180 ℃ was inspected, and a developer was sprayed for 10min and then observed, whereby a width of 10 mm was detected-4mm, and a width-to-depth ratio of 1/60.
The second embodiment is a high-temperature metal surface flaw detection method, which comprises the following steps:
removing slag, oxide skin, rust and oil stain on the surface of a metal part to be detected, then washing with water and drying; then acid cleaning, ultrasonic cleaning and drying are carried out, and the cleaned metal part is obtained;
secondly, applying a flaw detection agent on the surface to be detected of the cleaned metal part, wherein the penetration time is 8min, and then washing with water to remove the redundant flaw detection agent; the flaw detector consists of 50 parts of diisooctyl phthalate, 18 parts of hydroxypropyl starch phosphate, 35 parts of propylene carbonate, 2 parts of sodium dodecyl benzene sulfonate and 4 parts of rose bengal in parts by weight;
thirdly, uniformly spraying a developer on the surface to be detected of the metal part, and finishing; the developer consists of 9 parts of butoxy diglycol, 6 parts of sorbitol, 10 parts of ethyl acetate, 7 parts of silicon carbide and 5 parts of polyoxyethylene ether in parts by mass.
Using the method of this example, a metal part having a surface temperature of 140 ℃ was inspected, and a developer was sprayed for 10min and then observed, whereby a width of 10 was detected-4mm, and a width-to-depth ratio of 1/60.
The third embodiment of the high-temperature metal surface flaw detection method comprises the following steps:
removing slag, oxide skin, rust and oil stain on the surface of a metal part to be detected, then washing with water and drying; then acid cleaning, ultrasonic cleaning and drying are carried out, and the cleaned metal part is obtained;
secondly, applying a flaw detection agent on the surface to be detected of the cleaned metal part, wherein the penetration time is 10min, and then washing with water to remove the redundant flaw detection agent; the flaw detector consists of 50 parts of diisooctyl phthalate, 18 parts of hydroxypropyl starch phosphate, 35 parts of propylene carbonate, 2 parts of sodium dodecyl benzene sulfonate and 4 parts of rose bengal in parts by weight;
thirdly, uniformly spraying a developer on the surface to be detected of the metal part, and finishing; the developer consists of 9 parts of butoxy diglycol, 6 parts of sorbitol, 10 parts of ethyl acetate, 7 parts of silicon carbide and 5 parts of polyoxyethylene ether in parts by mass.
Using the method of this example, a metal part having a surface temperature of 130 ℃ was inspected, and a developer was sprayed for 10 minutes and then observed, whereby a width of 10 was detected-4mm, and a width-to-depth ratio of 1/60.

Claims (7)

1. A high-temperature metal surface flaw detection method is characterized by comprising the following steps:
removing slag, oxide skin, rust and oil stain on the surface of a metal part to be detected, then washing with water and drying; then acid cleaning, ultrasonic cleaning and drying are carried out, and the cleaned metal part is obtained;
secondly, applying a flaw detection agent on the surface to be detected of the cleaned metal part, wherein the penetration time is 8-15min, and then washing with water to remove the redundant flaw detection agent; wherein the flaw detector consists of 40-60 parts of diisooctyl phthalate, 15-20 parts of hydroxypropyl starch phosphate, 30-40 parts of propylene carbonate, 1-3 parts of sodium dodecyl benzene sulfonate and 3-5 parts of rose bengal in parts by weight;
thirdly, uniformly spraying a developer on the surface to be detected of the metal part, and finishing; the developing agent consists of 7-10 parts of butoxy diglycol, 4-8 parts of sorbitol, 5-15 parts of ethyl acetate, 6-8 parts of silicon carbide and 3-6 parts of polyoxyethylene ether in parts by mass.
2. A high temperature metal surface inspection method according to claim 1, wherein in step one, citric acid is used for pickling.
3. A high temperature metal surface inspection method according to claim 1, wherein in step one, the ultrasonic cleaning is performed for 10 min.
4. A high-temperature metal surface flaw detection method according to claim 1, characterized in that the flaw detection agent consists of 50 parts by mass of diisooctyl phthalate, 18 parts by mass of hydroxypropyl starch phosphate, 35 parts by mass of propylene carbonate, 2 parts by mass of sodium dodecylbenzenesulfonate and 4 parts by mass of rose bengal.
5. A high temperature metal surface inspection method according to claim 1, wherein the infiltration time in step two is 12 min.
6. The method according to claim 1, wherein the developer comprises 9 parts by weight of butoxydiglycol, 6 parts by weight of sorbitol, 10 parts by weight of ethyl acetate, 7 parts by weight of silicon carbide and 5 parts by weight of polyoxyethylene ether.
7. A high temperature metal surface flaw detection method according to claim 1, wherein the observation is performed after the developer is sprayed for 10 min.
CN202110732828.6A 2021-06-29 2021-06-29 High-temperature metal surface flaw detection method Pending CN113447495A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115372253A (en) * 2022-07-12 2022-11-22 中航试金石检测科技(无锡)有限公司 Fluorescence penetration detection method and application thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030122912A1 (en) * 1997-12-26 2003-07-03 Canon Kabushiki Kaisha Ink-jet printing apparatus
CN1888876A (en) * 2006-07-14 2007-01-03 沪东中华造船(集团)有限公司 Non-combustion dye check penetrating fluid and preparing method thereof
CN1932487A (en) * 2005-09-15 2007-03-21 沪东中华造船(集团)有限公司 High-temperature type dye check cleaning liquid and producing process thereof
CN1932485A (en) * 2005-09-15 2007-03-21 沪东中华造船(集团)有限公司 High-temperature type dye check penetration liquid and producing process thereof
CN104849248A (en) * 2015-04-27 2015-08-19 北京工业大学 Testing method used for recognition of rock damage features under action of mechanical excavation
CN108314050A (en) * 2018-03-12 2018-07-24 鲁东大学 A kind of preparation method of the nanometer silicon carbide particle of efficient absorption organic dyestuff
CN108828071A (en) * 2018-07-05 2018-11-16 江苏德意高航空智能装备股份有限公司 Coloring and the dual-purpose flaw detection imaging paper handkerchief of fluorescence and paper handkerchief imaging application
CN108827924A (en) * 2018-07-05 2018-11-16 江苏德意高航空智能装备股份有限公司 Coloring and the dual-purpose flaw detection paper handkerchief of fluorescence and paper handkerchief infiltration applications
CN109916917A (en) * 2019-04-17 2019-06-21 湖北三环锻造有限公司 A kind of penetrant inspection technique
CN110006918A (en) * 2019-04-17 2019-07-12 湖北三环锻造有限公司 A kind of penetrant flaw detection agent for penetrant inspection technique
CN110646437A (en) * 2019-09-23 2020-01-03 依工特种材料(苏州)有限公司 Dye check developer with good suspension property and preparation method thereof
CN111751385A (en) * 2020-05-15 2020-10-09 通标标准技术服务有限公司 Precision metal part surface flaw detection process adopting permeation method

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030122912A1 (en) * 1997-12-26 2003-07-03 Canon Kabushiki Kaisha Ink-jet printing apparatus
CN1932487A (en) * 2005-09-15 2007-03-21 沪东中华造船(集团)有限公司 High-temperature type dye check cleaning liquid and producing process thereof
CN1932485A (en) * 2005-09-15 2007-03-21 沪东中华造船(集团)有限公司 High-temperature type dye check penetration liquid and producing process thereof
CN1888876A (en) * 2006-07-14 2007-01-03 沪东中华造船(集团)有限公司 Non-combustion dye check penetrating fluid and preparing method thereof
CN104849248A (en) * 2015-04-27 2015-08-19 北京工业大学 Testing method used for recognition of rock damage features under action of mechanical excavation
CN108314050A (en) * 2018-03-12 2018-07-24 鲁东大学 A kind of preparation method of the nanometer silicon carbide particle of efficient absorption organic dyestuff
CN108828071A (en) * 2018-07-05 2018-11-16 江苏德意高航空智能装备股份有限公司 Coloring and the dual-purpose flaw detection imaging paper handkerchief of fluorescence and paper handkerchief imaging application
CN108827924A (en) * 2018-07-05 2018-11-16 江苏德意高航空智能装备股份有限公司 Coloring and the dual-purpose flaw detection paper handkerchief of fluorescence and paper handkerchief infiltration applications
CN109916917A (en) * 2019-04-17 2019-06-21 湖北三环锻造有限公司 A kind of penetrant inspection technique
CN110006918A (en) * 2019-04-17 2019-07-12 湖北三环锻造有限公司 A kind of penetrant flaw detection agent for penetrant inspection technique
CN110646437A (en) * 2019-09-23 2020-01-03 依工特种材料(苏州)有限公司 Dye check developer with good suspension property and preparation method thereof
CN111751385A (en) * 2020-05-15 2020-10-09 通标标准技术服务有限公司 Precision metal part surface flaw detection process adopting permeation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115372253A (en) * 2022-07-12 2022-11-22 中航试金石检测科技(无锡)有限公司 Fluorescence penetration detection method and application thereof

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Application publication date: 20210928