CN115718104A - Penetrant for detecting internal quality of copper cast blank and method for detecting internal quality of copper cast blank - Google Patents
Penetrant for detecting internal quality of copper cast blank and method for detecting internal quality of copper cast blank Download PDFInfo
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- CN115718104A CN115718104A CN202211524498.2A CN202211524498A CN115718104A CN 115718104 A CN115718104 A CN 115718104A CN 202211524498 A CN202211524498 A CN 202211524498A CN 115718104 A CN115718104 A CN 115718104A
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- Prior art keywords
- copper
- internal quality
- penetrant
- detecting
- casting blank
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 82
- 239000010949 copper Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 claims abstract description 47
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 10
- 239000001045 blue dye Substances 0.000 claims abstract description 10
- 235000019441 ethanol Nutrition 0.000 claims abstract description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 10
- 239000010452 phosphate Substances 0.000 claims abstract description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid group Chemical group C(C(=O)O)(=O)O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 21
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical group [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- 239000012459 cleaning agent Substances 0.000 claims description 12
- 230000007547 defect Effects 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 235000006408 oxalic acid Nutrition 0.000 claims description 7
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 13
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920006221 acetate fiber Polymers 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- ZDYUUBIMAGBMPY-UHFFFAOYSA-N oxalic acid;hydrate Chemical group O.OC(=O)C(O)=O ZDYUUBIMAGBMPY-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a penetrant for detecting the internal quality of a copper casting blank and a method for detecting the internal quality of the copper casting blank, wherein the penetrant comprises Victoria B oil-based blue dye, alcohol ether phosphate, glycol and absolute ethyl alcohol; the penetrant is safe and environment-friendly, and can be used in cooperation with the developer in the invention to efficiently and simply detect the internal quality of the copper casting blank; the method for detecting the internal quality of the copper casting blank is simple, easy to operate, low in technical grade requirement on operators and greatly reduced in harm to the operators and the environment. Reagents used in the detection process are easy to carry, special instruments and equipment and laboratories do not need to be shown, and the in-situ detection can be carried out in an ingot placing area under the condition of no power supply; the flaw size, the existence of the flaw and the like of the ingot can be rapidly, accurately and obviously detected in a short time, and the ingot is not damaged.
Description
Technical Field
The invention belongs to the technical field of copper casting blank detection, and particularly relates to a penetrant for detecting the internal quality of a copper casting blank and a detection method for the internal quality of the copper casting blank.
Background
In order to ensure the quality of the copper strip, the internal quality of a continuous casting copper casting blank needs to be detected in the production process of the copper strip, the internal quality of the continuous casting blank has great influence on the quality of a final product, and the internal defect of the continuous casting blank easily causes unqualified products.
At present, most of the detection of the internal quality of the copper ingot adopts a dye penetrant inspection method, and the method needs to be operated in a special laboratory and on special equipment, for example, chinese patent CN103399019A discloses a dye penetrant inspection instrument and a dye penetrant inspection method, and specifically discloses a dye penetrant inspection instrument, which comprises: a work table and a spray table; the workbench comprises a base at the periphery and a bearing body in the middle of the base; a translation guide rail is arranged on the surface of the bearing body, and a tray is placed on the translation guide rail; the injection platform is arranged on one side of the side wall of the complete opening of the base and comprises a turntable and a stepping motor; a position sensing switch is arranged on the stepping motor, a position signal of the reagent bottle is output to a PLC (programmable logic controller), and the PLC controls the stepping motor to rotate; the camera is arranged above the bearing body, the center of the upper surface of the sample is coated with a washable special pattern, the camera collects images of the sample, and the image processing module controls the translation guide rail to move according to the position of the special pattern in the images so as to convey the sample to a preset spraying position. The method needs certain professional skill knowledge of staff, is complex in process, slow in occurrence result and unsuitable for detection rate of large-scale operation of a company, and waste reagents after detection are high in risk and have great harm to the staff and the environment. And the detection result is deviated due to improper operation in the detection process, so that the production progress is slowed down due to unqualified products.
Disclosure of Invention
In order to solve the technical problems, the invention provides a penetrant for detecting the internal quality of a copper cast blank and a method for detecting the internal quality of the copper cast blank. The penetrant is safe and environment-friendly, and can be used for efficiently and simply detecting the internal quality of a copper casting blank by matching with the developer in the invention.
In order to realize the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a penetrant for detecting the internal quality of a copper casting blank, which comprises Victoria B oil-based blue dye, alcohol ether phosphate, glycol and absolute ethyl alcohol; in the penetrant, the mass concentrations of the Victoria B oil-based blue dye and the alcohol ether phosphate are 0.006-0.009g/mL and 0.08-0.12g/mL respectively.
In the penetrant, the volume ratio of the glycol to the absolute ethyl alcohol is 1.2-2.0.
The invention also provides a method for detecting the internal quality of the copper casting blank, which comprises the following steps:
(1) Cleaning the surface of the copper casting blank by using a cleaning agent;
(2) Uniformly spraying the penetrant for detecting the internal quality of the copper cast blank according to claim 1 on the surface of the copper cast blank, and standing;
(3) Cleaning the surface of the copper casting blank treated in the step (2) by using a cleaning agent;
(4) And (4) uniformly spraying a developer on the surface of the copper casting blank treated in the step (3), standing for 5-10 min, and observing.
The step (2) also comprises the step of preheating the copper casting blank to 40-50 ℃ before spraying the penetrating agent.
The cleaning agent is oxalic acid water solution with mass concentration of 0.07-0.09 g/mL.
The developer comprises zinc oxide, cellulose acetate and acetone; the mass concentrations of zinc oxide and cellulose acetate in the developer are 0.08-0.15g/mL and 0.07-0.12g/mL respectively; the quick-drying developer is prepared through dissolving developing powder zinc oxide in volatile organic solution acetone and adding proper amount of acetate fiber to adsorb the pigment from the defect.
In the step (2), the standing time is 20-30min so as to fully permeate.
In the step (3), the retention time of the cleaning agent on the surface of the copper casting blank is 10-300 s, and then the cleaning agent is wiped dry.
In the step (4), if a blue image appears on the surface of the copper casting blank, the defect in the copper casting blank is indicated; if the blue image does not appear on the surface of the copper cast billet, the internal quality of the copper cast billet is good.
The penetrant for detecting the internal quality of the copper casting blank consists of Victoria B oil-based blue dye, alcohol ether phosphate, glycol and absolute ethyl alcohol, and any harmful or corrosive raw material is not used in the penetrant, so that the penetrant is safe to operate by personnel; the ethylene glycol and the absolute ethyl alcohol are used as solvents, the ethylene glycol and the absolute ethyl alcohol have good dissolubility and are easy to volatilize for the Victoria B oil-based blue dye and the alcohol ether phosphate, the alcohol ether phosphate serving as a good penetrating agent can penetrate defects more quickly, and the ethylene glycol and the absolute ethyl alcohol are convenient to volatilize, non-toxic and harmless and have small influence on the environment.
In the method for detecting the internal quality of the copper casting blank, firstly, a cleaning agent is used for cleaning the surface of the copper casting blank so as to remove dust, oil stains, oxide scales and the like on the surface of the copper casting blank; then uniformly spraying a penetrant to the surface of the copper casting blank and standing, wherein the penetrant can permeate into the defects inside the copper casting blank due to a capillary phenomenon; cleaning with a cleaning agent to remove penetrating fluid remained on the surface of the copper casting blank; and finally, uniformly spraying a quick-drying developer on the surface of the copper casting blank and standing, wherein residual penetrant in internal defects of the copper casting blank can be adsorbed by the capillary action of the developer in the standing process, so that a blue image is formed on the surface of the copper casting blank.
Compared with the prior art, the method for detecting the internal quality of the copper casting blank is simple, easy to operate, low in technical grade requirement on operators and greatly reduced in harm to the operators and the environment. Reagents used in the detection process are easy to carry, special instruments and equipment and laboratories do not need to be shown, and the in-situ detection can be carried out in an ingot placing area under the condition of no power supply; the flaw size, the existence of the flaw and the like of the cast ingot can be rapidly, accurately and obviously detected within a short time of 40-60 minutes, and the cast ingot is not damaged.
Drawings
FIG. 1 shows the results of the detection in example 1;
FIG. 2 shows the results of detection in example 2;
fig. 3 is the result of the test in comparative example 1.
Detailed Description
The present invention will be described in detail with reference to examples.
In example 1 and comparative example 1, copper cast ingots produced in the same batch were examined, and the size of the cast ingot sample was 150mm 250mm 10mm when examined.
Example 1
A method for detecting the internal quality of a copper cast blank comprises the following steps:
(1) Washing the surface of the copper casting blank by using 0.08g/mL oxalic acid aqueous solution;
(2) Uniformly spraying a penetrating agent on the surface of the copper casting blank, and standing for 25min; the penetrant consists of: 4g of Victoria B oil-based blue dye, 50g of alcohol ether phosphate, 300mL of ethylene glycol and 200mL of absolute ethyl alcohol;
(3) Then washing the surface of the copper cast blank treated in the step (2) by using 0.08g/mL oxalic acid aqueous solution, and wiping the surface of the copper cast blank by using clean cotton yarn;
(4) Uniformly spraying a developer on the surface of the copper casting blank treated in the step (3), and standing for 15min, wherein the developer comprises 40g of zinc oxide, 60g of cellulose acetate and 500mL of acetone; then, observation was carried out, and the results are shown in FIG. 1.
It can be seen from the figure that the dye will be accumulated on the surface of the cast slab at the defective part of the surface.
Example 2
A method for detecting the internal quality of a copper cast blank comprises the following steps:
(1) Washing the surface of the copper casting blank by using 0.09g/mL oxalic acid aqueous solution;
(2) Uniformly spraying a penetrating agent on the surface of the copper casting blank, and standing for 20min; the penetrant consists of: 4.5g of Victoria B oil-based blue dye, 45g of alcohol ether phosphate, 300mL of ethylene glycol and 200mL of absolute ethyl alcohol;
(3) Then, washing the surface of the copper casting blank treated in the step (2) by using 0.09g/mL oxalic acid aqueous solution, and wiping the surface of the copper casting blank by using clean cotton yarn;
(4) Uniformly spraying a developer on the surface of the copper casting blank treated in the step (3), and standing for 15min, wherein the developer comprises 50g of zinc oxide, 50g of cellulose acetate and 500mL of acetone; then, observation was performed, and the results are shown in FIG. 2.
It can be seen from the figure that the surface defects may have dye accumulated on the surface of the cast slab.
Comparative example 1
A method for detecting the internal quality of a copper cast blank comprises the following steps:
(1) Washing the surface of the copper casting blank by using 0.09g/mL oxalic acid aqueous solution;
(2) Uniformly spraying a penetrating agent on the surface of the copper casting blank, and standing for 20min; the penetrant consists of: 4.5g of Victoria B oil-based blue dye, 300mL of ethylene glycol and 200mL of absolute ethyl alcohol;
(3) Then, washing the surface of the copper casting blank treated in the step (2) by using 0.09g/mL oxalic acid aqueous solution, and wiping the surface of the copper casting blank by using clean cotton yarn;
(4) Uniformly spraying a developer on the surface of the copper casting blank treated in the step (3), and standing for 15min, wherein the developer comprises 50g of zinc oxide and 500mL of acetone; then, observation was carried out, and the results are shown in FIG. 3.
It can be seen from the figure that the defect portion appearing on the surface of the cast slab is not obvious.
The above detailed description of the penetrant for measuring the internal quality of copper cast billet and the method for measuring the internal quality of copper cast billet are given by way of illustration and not limitation, and several examples can be cited within the scope defined by the present invention, so that the present invention shall fall within the scope of the present invention without departing from the general concept of the present invention.
Claims (9)
1. The penetrant for detecting the internal quality of the copper casting blank is characterized in that the penetrant comprises Victoria B oil-based blue dye, alcohol ether phosphate, glycol and absolute ethyl alcohol; in the penetrant, the mass concentrations of the Victoria B oil-based blue dye and the alcohol ether phosphate are 0.006-0.009g/mL and 0.08-0.12g/mL respectively.
2. The penetrant according to claim 1, wherein the volume ratio of ethylene glycol to absolute ethyl alcohol in the penetrant is 1.2-2.0.
3. The method for detecting the internal quality of the copper casting blank is characterized by comprising the following steps of:
(1) Cleaning the surface of the copper casting blank by using a cleaning agent;
(2) Uniformly spraying the penetrant for detecting the internal quality of the copper cast blank according to claim 1 on the surface of the copper cast blank, and standing;
(3) Cleaning the surface of the copper casting blank treated in the step (2) by using a cleaning agent;
(4) And (4) uniformly spraying a developer on the surface of the copper casting blank treated in the step (3), standing for 10-20 min, and observing.
4. The method for detecting the internal quality of a copper cast billet according to claim 1, wherein the step (2) further comprises the step of preheating the copper cast billet to 40 to 50 ℃ before spraying the penetrant.
5. The method for detecting the internal quality of the copper cast billet according to claim 1 or 3, wherein the cleaning agent is an oxalic acid aqueous solution with a mass concentration of 0.07-0.09 g/mL.
6. The method of detecting the internal quality of a copper cast billet according to claim 1 or 3, wherein the composition of the developer is zinc oxide, cellulose acetate and acetone; the mass concentrations of zinc oxide and cellulose acetate in the developer are 0.08-0.15g/mL and 0.07-0.12g/mL respectively.
7. The method for detecting the internal quality of a copper cast billet according to claim 1 or 3, wherein in the step (2), the standing time is 20-30min.
8. The method for detecting the internal quality of a copper cast billet according to claim 1 or 3, wherein the retention time of the cleaning agent on the surface of the copper cast billet in the step (3) is 10 to 300s, and then the cleaning agent is wiped dry.
9. The method for detecting the internal quality of a copper cast billet according to claim 1 or 3, wherein in the step (4), if a blue image appears on the surface of the copper cast billet, it indicates that a defect exists in the copper cast billet; if the blue image does not appear on the surface of the copper cast billet, the internal quality of the copper cast billet is good.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211524498.2A CN115718104A (en) | 2022-11-30 | 2022-11-30 | Penetrant for detecting internal quality of copper cast blank and method for detecting internal quality of copper cast blank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211524498.2A CN115718104A (en) | 2022-11-30 | 2022-11-30 | Penetrant for detecting internal quality of copper cast blank and method for detecting internal quality of copper cast blank |
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| CN115718104A true CN115718104A (en) | 2023-02-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117470846A (en) * | 2023-12-28 | 2024-01-30 | 中铝材料应用研究院有限公司 | Evaluation method of micro-porosity in aluminum alloy cast ingot |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604753A (en) * | 2013-10-22 | 2014-02-26 | 内蒙古包钢钢联股份有限公司 | Method for detecting subsurface crack of casting blank |
| CN113664166A (en) * | 2021-06-30 | 2021-11-19 | 武汉钢铁有限公司 | Method for measuring depth of vibration mark |
-
2022
- 2022-11-30 CN CN202211524498.2A patent/CN115718104A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604753A (en) * | 2013-10-22 | 2014-02-26 | 内蒙古包钢钢联股份有限公司 | Method for detecting subsurface crack of casting blank |
| CN113664166A (en) * | 2021-06-30 | 2021-11-19 | 武汉钢铁有限公司 | Method for measuring depth of vibration mark |
Non-Patent Citations (4)
| Title |
|---|
| 侯春林，顾其胜: "《几丁质与医学》", 28 February 2001, 上海科学技术出版社 * |
| 刘贵民: "《无损检测技术》", 31 January 2006, 国防工业出版社 * |
| 汤礼广: "《铁磁金属材料的磁粉检测》", 30 September 2021, 合肥工业大学出版社 * |
| 汪多仁: "《绿色日用化学品》", 30 April 2007, 科学技术文献出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117470846A (en) * | 2023-12-28 | 2024-01-30 | 中铝材料应用研究院有限公司 | Evaluation method of micro-porosity in aluminum alloy cast ingot |
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