CN104880459A - Method for detecting scratch on surface of aircraft aluminum alloy skin - Google Patents
Method for detecting scratch on surface of aircraft aluminum alloy skin Download PDFInfo
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- CN104880459A CN104880459A CN201510249352.5A CN201510249352A CN104880459A CN 104880459 A CN104880459 A CN 104880459A CN 201510249352 A CN201510249352 A CN 201510249352A CN 104880459 A CN104880459 A CN 104880459A
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- abraded area
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Abstract
The invention discloses a method for detecting scratch on the surface of aircraft aluminum alloy skin. The method comprises the following steps: firstly, preparing two developing solutions and neutral solutions; then removing dust on the surface of a part; then isolating from a suspected scratch part; dropping a drop of prepared developing solution I at the suspected scratch part, and rinsing so as to inspect the color of the suspected scratch part; then dropping a developing solution 2; and then rinsing the suspected scratch part by clean water, neutralizing, rinsing and drying, and determining whether the skin is scratched according to whether the suspected scratch part is black. The method for detecting the scratch on the surface of the aircraft aluminum alloy skin is capable of displaying the detection via corrosion, identifying the scratch on the surface of the aluminum alloy skin correctly, and controlling the product quality.
Description
Technical field
The invention belongs to the Physico-chemical tests field of aluminium alloy, be specifically related to a kind of plane aluminium alloy skin-surface and scratch detection method.
Background technology
Current, the domestic scuffing for aircraft skin is all adopt the method for artificial visual to observe all the time.Such manual detection mode, the degree of depth that covering is scratched and whether aluminium coating has been drawn and accurately cannot differentiate that reliable foundation is not had for follow-up fault handling yet.In addition, domestic also do not have corresponding aircraft skin to scratch Physico-chemical tests method at present.
Abroad in technology, there is the Physico-chemical tests method solving aluminum alloy outer cover surface tear.This method needs part to cut, and by chemical corrosion, chemical reaction, determines the degree of component corrosion.And for the differentiation of scratch depth, because part is very large, again can not cutting sampling inspection, there is no a kind of effective method abroad yet, can only pass through chemical method, carry out the detection whether aluminium coating is drawn, thus determine the degree of scuffing.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of plane aluminium alloy skin-surface to scratch detection method, scratching degree detecting problem to solve aluminum alloy outer cover, passing through chemical corrosion method, whether aluminium coating is drawn to utilize chemical principle to judge, determines the degree scratched.Reference is provided for whether this covering follow-up can use.
For achieving the above object, take the detection method of the chemical corrosion of not cutting parts in the present invention, be specially:
A kind of plane aluminium alloy skin-surface scratches detection method, comprises the following steps:
1) preparation display solution 1: adopt 200g potassium nitrate+100g NaOH, be diluted to 1L with deionized water;
2) preparation display solution 2: adopt 100 milliliters of HNO3+200 to 300 milliliters of H2O;
3) neutralization solution is prepared: adopt 50g chromic acid, be diluted to 1L with deionized water;
4) according to piece surface vestige, doubtful abraded area is determined in visual examination;
5) dust, cleans doubtful abraded area clean cloth;
6) clean skin-surface with butanone, isolate apart from the region beyond doubtful abraded area center 3mm with adhesive tape before volatilization;
7) drip the display solution 1 prepared at doubtful abraded area, maintain 1-3 minute;
8) the doubtful abraded area of clear water rinsing, does not allow wiping;
9) color of the doubtful abraded area of visual examination, if color blackening, then tentatively determines that covering scratches;
10) drip 1-2 and drip display solution 2, maintain 0.5-1 minute, the doubtful abraded area of clear water rinsing, does not allow wiping;
11) neutralize: drip neutralization solution, maintain 2-3 minute;
12) clear water rinsing, drying;
13) if doubtful abraded area is still black after dry, then a step 10 is carried out again), if doubtful abraded area is still black afterwards, then finally determine that covering scratches; If do not find blackening, then determine that covering does not scratch.
Plane aluminium alloy skin-surface of the present invention scratches detection method, is detected, correctly authenticated aluminum alloy outer cover surface tear, control product quality by corrosion display.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Adopt plane aluminium alloy skin-surface of the present invention to scratch detection method and carry out 2024 aluminum alloy outer cover surface tears detections, concrete steps are:
1) preparation display solution 1: adopt 200g potassium nitrate+100g NaOH, be diluted to 1L with deionized water;
2) preparation display solution 2: adopt 100 milliliters of HNO3+200 to 300 milliliters of H2O;
3) neutralization solution is prepared: adopt 50g chromic acid, be diluted to 1L with deionized water;
4) according to piece surface vestige, doubtful abraded area is determined in visual examination;
5) dust, cleans doubtful abraded area clean cloth;
6) clean skin-surface with butanone, isolate apart from the region beyond doubtful abraded area center 3mm with adhesive tape before volatilization;
7) drip the display solution 1 prepared at doubtful abraded area, maintain 1-3 minute;
8) clear water rinsing, does not allow wiping;
9) the doubtful abraded area color of visual examination, if color blackening, then tentatively determines that covering scratches;
10) drip 1-2 and drip display solution 2, maintain 0.5-1 minute, clear water rinsing, does not allow wiping;
11) neutralize: drip neutralization solution, maintain 2-3 minute;
12) clear water rinsing, drying;
13) if be still black after dry, then a step 10 is carried out again), if be still black, then finally determine that covering scratches; If do not find blackening, then determine that covering does not scratch.
Claims (1)
1. plane aluminium alloy skin-surface scratches a detection method, comprises the following steps:
1) preparation display solution 1: adopt 200g potassium nitrate+100g NaOH, be diluted to 1L with deionized water;
2) preparation display solution 2: adopt 100 milliliters of HNO3+200 to 300 milliliters of H2O;
3) neutralization solution is prepared: adopt 50g chromic acid, be diluted to 1L with deionized water;
4) according to piece surface vestige, doubtful abraded area is determined in visual examination;
5) dust, cleans doubtful abraded area clean cloth;
6) clean skin-surface with butanone, isolate apart from the region beyond doubtful abraded area center 3mm with adhesive tape before volatilization;
7) drip the display solution 1 prepared at doubtful abraded area, maintain 1-3 minute;
8) the doubtful abraded area of clear water rinsing, does not allow wiping;
9) color of the doubtful abraded area of visual examination, if color blackening, then tentatively determines that covering scratches;
10) drip 1-2 and drip display solution 2, maintain 0.5-1 minute, the doubtful abraded area of clear water rinsing, does not allow wiping;
11) neutralize: drip neutralization solution, maintain 2-3 minute;
12) clear water rinsing, drying;
13) if doubtful abraded area is still black after dry, then a step 10 is carried out again), if doubtful abraded area is still black afterwards, then finally determine that covering scratches; If do not find blackening, then determine that covering does not scratch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510249352.5A CN104880459B (en) | 2015-05-15 | 2015-05-15 | A kind of plane aluminium alloy skin-surface scratches detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510249352.5A CN104880459B (en) | 2015-05-15 | 2015-05-15 | A kind of plane aluminium alloy skin-surface scratches detection method |
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| CN104880459A true CN104880459A (en) | 2015-09-02 |
| CN104880459B CN104880459B (en) | 2017-09-26 |
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| CN201510249352.5A Active CN104880459B (en) | 2015-05-15 | 2015-05-15 | A kind of plane aluminium alloy skin-surface scratches detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445475A (en) * | 2015-11-18 | 2016-03-30 | 济南大学 | Preparation method and application of immunosensor capable of simultaneously detecting human nuclear matrix protein and carcino-embryonic antigen with three antibodies and double channels |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989801A (en) * | 1995-09-28 | 1997-04-04 | Nisshin Steel Co Ltd | Method and device for surface inspection of long object |
| US6365034B1 (en) * | 1997-05-07 | 2002-04-02 | Polymer Alloys Llc | High throughput electrochemical test for measuring corrosion resistance |
| CN101788415A (en) * | 2010-03-17 | 2010-07-28 | 大连理工大学 | Corroding agent for detecting damage of surface layer of sapphire substrate |
| CN102621150A (en) * | 2012-03-23 | 2012-08-01 | 南京航空航天大学 | Airplane skin damage identification method based on gray level co-occurrence matrix and support vector machine |
| CN102901708A (en) * | 2012-09-29 | 2013-01-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Chemical method for checking defects on processed carburized surface of steel part |
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2015
- 2015-05-15 CN CN201510249352.5A patent/CN104880459B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989801A (en) * | 1995-09-28 | 1997-04-04 | Nisshin Steel Co Ltd | Method and device for surface inspection of long object |
| US6365034B1 (en) * | 1997-05-07 | 2002-04-02 | Polymer Alloys Llc | High throughput electrochemical test for measuring corrosion resistance |
| CN101788415A (en) * | 2010-03-17 | 2010-07-28 | 大连理工大学 | Corroding agent for detecting damage of surface layer of sapphire substrate |
| CN102621150A (en) * | 2012-03-23 | 2012-08-01 | 南京航空航天大学 | Airplane skin damage identification method based on gray level co-occurrence matrix and support vector machine |
| CN102901708A (en) * | 2012-09-29 | 2013-01-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Chemical method for checking defects on processed carburized surface of steel part |
Non-Patent Citations (3)
| Title |
|---|
| DENNIS P. SAN: "Measurement of surface scratches on aircraft structures", 《SPIE》 * |
| 殷允信: "波音飞机机身蒙皮划痕浅析", 《航空维修与工程》 * |
| 田云飞 等: "红外检测在老龄飞机蒙皮搭接结构腐蚀检测中的应用分析", 《飞机设计》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445475A (en) * | 2015-11-18 | 2016-03-30 | 济南大学 | Preparation method and application of immunosensor capable of simultaneously detecting human nuclear matrix protein and carcino-embryonic antigen with three antibodies and double channels |
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| CN104880459B (en) | 2017-09-26 |
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