CN102353627B - Sensor for corrosion monitoring of aluminium alloy material surface and manufacturing method thereof - Google Patents
Sensor for corrosion monitoring of aluminium alloy material surface and manufacturing method thereof Download PDFInfo
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- CN102353627B CN102353627B CN 201110160900 CN201110160900A CN102353627B CN 102353627 B CN102353627 B CN 102353627B CN 201110160900 CN201110160900 CN 201110160900 CN 201110160900 A CN201110160900 A CN 201110160900A CN 102353627 B CN102353627 B CN 102353627B
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Abstract
The invention relates to a sensor for corrosion monitoring of an aluminium alloy material surface and a manufacturing method thereof. The sensor comprises a CCD panel and a corrosion monitoring module covering the CCD panel, which from the bottom to the top includes a PVC insulation corrosion resisting sheet with thickness of 0.15mm-2mm and a sputtering type aluminium alloy layer lacking one corner. The sensor has the advantages of simple structure, convenient installation, and can realize real-time on-line monitoring of aluminium alloy surface corrosion, thus well satisfying the requirements for aluminium alloy material corrosion detection.
Description
Technical field
The present invention relates to metallic material corrosion detection technique field, be specifically related to a kind of sensor that carries out corrosion monitoring for aluminum alloy material surface and preparation method thereof.
Background technology
Aluminum and its alloy has excellent mechanical property, because it is lightweight, rigidity is large, is widely used in the middle of the field of aerospace.The load-carrying members of aircraft such as crossbeam, truss etc. mostly adopt aluminum alloy materials.Similar to other metal materials, aluminum alloy materials structure erosion can occur in long-term use procedure, be embodied in material surface and lose metallic luster, becomes dim Dark grey by silvery white, spot corrosion even material denudation further occur.Aircraft aluminium alloy structure surface in assembling process generally has aluminum layer to cover or scribble the rust preventive oil enamelled coating.Fine aluminium is good resistant material, but in use, breakage appears in material surface unavoidably, thereby vapor adhesion forms very thin liquid layer at material surface, and this has just formed the galvanic corrosion place of corrosion of aluminium alloy.
Corrosion of aluminium alloy has reduced the rigidity of material so that the material local damage, and cross-sectional area etc. have increased the stress raisers coefficient simultaneously, thereby these corrosion areas become the zone occurred frequently of fatigue crack.In time detect the corrosion that exists in the aluminium alloy structure, become and important.The normal method of using has visual method and Computerized Classification technology at present.These two kinds of methods can not be carried out to corrosion of aluminium alloy the monitoring of real-time online, and can not provide the degree of depth that corrosion is carried out.
Summary of the invention
The deficiency that exists in order to overcome above-mentioned prior art, the present invention proposes a kind of sensor that carries out corrosion monitoring for aluminum alloy material surface and preparation method thereof, the sensor construction of making of the method is simple, easy for installation, can realize the monitoring to aluminum alloy surface corrosion real-time online, well satisfy the demand that the aluminum alloy materials corrosion detects.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of sensor that carries out corrosion monitoring for aluminum alloy material surface, comprise the CCD panel, the CCD panel Down-Up is followed successively by the side with the circuit board 3 and the square annular stitch base 6 that is embedded with internal lead 7 of the three stitch lead-in wire 2 of outwards extending, the inside of this square annular stitch base 6 is provided with photosensitive region 8, corrosion monitoring module directly over the covering CCD panel, the corrosion monitoring module is followed successively by thickness range from bottom to top to be corrosion-resistant 5 of the PVC insulation of 0.15mm-2mm and to lack one jiao sputter type aluminium alloy layer 9, the projection of the vertical direction after the projection of the vertical direction of sputter type or evaporation type aluminium alloy layer 9 and photosensitive region 8 lacks same a jiao is consistent, the chemical analysis of sputter type or evaporation type aluminium alloy layer 9 is consistent with the chemical analysis of alloy matrix aluminum to be monitored, sputter type or evaporation type aluminium alloy layer 9 are by from left to right equally distributed the first aluminium alloy layering 11, the second aluminium alloy layering 12 and 3 Al alloy layering 13 consist of, wherein the thickness of the first aluminium alloy layering 11 is 0.05mm, the thickness of the second aluminium alloy layering 12 is 0.15mm, and the thickness of 3 Al alloy layering 13 is 0.3mm.
Describedly carry out the manufacturing of the fiber grating sensors method of corrosion monitoring for aluminum alloy material surface, step is as follows:
Step 1: choose the special-purpose CCD panel of shooting, the color of regulating the CCD panel is white-black pattern, then gets rid of the cover glass sheet on photosensitive region 8 surfaces of CCD panel.
Step 2: the large PVC of vertical projection area that chooses the square annular stitch base 6 of this CCD panel of vertical projection Area Ratio insulate corrosion-resistant 5, the thickness range that the PVC insulation is corrosion-resistant 5 is 0.15mm-2mm, as the making matrix of sputter type or evaporation type aluminium alloy layer 9;
Step 3: use pure acetone to clean PVC and insulate corrosion-resistant 5 until get rid of the greasy dirt of its lower surface, use fine sandpaper, the base of the square annular stitch 6 of CCD panel is polished into the plane, re-use pure acetone and clean this plane, after to be dried, use super glue evenly to be applied on this surface, PVC is insulated paste thereon for corrosion-resistant 5, until the glue solidifies;
Step 4: the projection of choosing vertical direction at corrosion-resistant 5 upper surfaces of the PVC insulation zone consistent with the projection of photosensitive region 8 vertical directions is as sputter or evaporation zone, this sputter or evaporation zone from left to right evenly are divided into the first subregion, the second subregion and the 3rd subregion, then choose the chemical analysis aluminium alloy consistent with the chemical analysis of alloy matrix aluminum to be monitored, again with the mode of sputter or evaporation with this aluminium alloy in the first subregion, respectively sputter or evaporation the first aluminium alloy layering 11 that goes out 0.05mm thickness of the second subregion and the 3rd subregion, 0.15mm the second aluminium alloy layering 12 of thickness and 3 Al alloy layering 13, the first aluminium alloy layerings 11 of 0.3mm thickness, the second aluminium alloy layering 12 and 3 Al alloy layering 13 have consisted of sputter type or evaporation type aluminium alloy layer 9;
Step 5: use cutter to do a mark in sputter type or evaporation type aluminium alloy layer 9 lip-deep predeterminated positions, with this reference origin as computer monitoring, cut in addition one that goes in sputter type or 9 four angles of evaporation type aluminium alloy layer;
Step 6: use scissors to deduct corrosion-resistant 5 redundance that exceeds square annular stitch 6 bases of PVC insulation, so that just in time align one by one with four limits of the annular stitch base of square in four limits that PVC insulate corrosion-resistant 5;
Step 7: use black tape that the PVC zone that does not cover sputter type or evaporation type aluminium alloy layer 9 on corrosion-resistant 5 of insulating is pasted, final so that only have sputter type or the evaporation type aluminium alloy layer 9 residing zones can printing opacities on corrosion-resistant 5PVC thin slice of PVC insulation;
Step 8: use black tape that CCD panel covering protection is got up, only expose three stitch lead-in wire 2.
The present invention is by the corrosion monitoring module directly over CCD panel and the covering CCD panel, the corrosion monitoring module is followed successively by thickness range from bottom to top to be corrosion-resistant 5 of the PVC insulation of 0.15mm-2mm and to lack one jiao sputter type aluminium alloy layer 9, it is simple in structure, easy for installation, can realize the monitoring to aluminum alloy surface corrosion real-time online, well satisfy the demand that the aluminum alloy materials corrosion detects.
Description of drawings
Fig. 1 is sensor construction synoptic diagram vertical view of the present invention.
Fig. 2 is sensor construction synoptic diagram left view of the present invention.
Embodiment
The present invention will be described in more detail below in conjunction with accompanying drawing and example.
As depicted in figs. 1 and 2, carry out the sensor of corrosion monitoring for aluminum alloy material surface, comprise the CCD panel, Down-Up being followed successively by the side with the circuit board 3 of three stitch of outwards extending lead-in wire 2 and being embedded with the square annular stitch base 6 of internal lead 7 of CCD panel, the inside of this square annular stitch base 6 is provided with photosensitive region 8, corrosion monitoring module directly over the covering CCD panel, the corrosion monitoring module is followed successively by thickness range from bottom to top to be corrosion-resistant 5 of the PVC insulation of 0.15mm-2mm and to lack one jiao sputter type aluminium alloy layer 9, the projection of the vertical direction after the projection of the vertical direction of sputter type or evaporation type aluminium alloy layer 9 and photosensitive region 8 lacks same a jiao is consistent, the chemical analysis of sputter type or evaporation type aluminium alloy layer 9 is consistent with the chemical analysis of alloy matrix aluminum to be monitored, sputter type or evaporation type aluminium alloy layer 9 are by from left to right equally distributed the first aluminium alloy layering 11, the second aluminium alloy layering 12 and 3 Al alloy layering 13 consist of, wherein the thickness of the first aluminium alloy layering 11 is 0.05mm, the thickness of the second aluminium alloy layering 12 is 0.15mm, and the thickness of 3 Al alloy layering 13 is 0.3mm.
Describedly carry out the manufacturing of the fiber grating sensors method of corrosion monitoring for aluminum alloy material surface, step is as follows:
Step 1: choose the special-purpose CCD panel of shooting, the color of regulating the CCD panel is white-black pattern, then gets rid of the cover glass sheet on photosensitive region 8 surfaces of CCD panel.
Step 2: the large PVC of vertical projection area that chooses the square annular stitch base 6 of this CCD panel of vertical projection Area Ratio insulate corrosion-resistant 5, the thickness range that the PVC insulation is corrosion-resistant 5 is 0.15mm-2mm, as the making matrix of sputter type or evaporation type aluminium alloy layer 9;
Step 3: use pure acetone to clean PVC and insulate corrosion-resistant 5 until get rid of the greasy dirt of its lower surface, use fine sandpaper, the base of the square annular stitch 6 of CCD panel is polished into the plane, re-use pure acetone and clean this plane, after to be dried, use super glue evenly to be applied on this surface, PVC is insulated paste thereon for corrosion-resistant 5, until the glue solidifies;
Step 4: the projection of choosing vertical direction at corrosion-resistant 5 upper surfaces of the PVC insulation zone consistent with the projection of photosensitive region 8 vertical directions is as sputter or evaporation zone, this sputter or evaporation zone from left to right evenly are divided into the first subregion, the second subregion and the 3rd subregion, then choose the chemical analysis aluminium alloy consistent with the chemical analysis of alloy matrix aluminum to be monitored, again with the mode of sputter or evaporation with this aluminium alloy in the first subregion, respectively sputter or evaporation the first aluminium alloy layering 11 that goes out 0.05mm thickness of the second subregion and the 3rd subregion, 0.15mm the second aluminium alloy layering 12 of thickness and 3 Al alloy layering 13, the first aluminium alloy layerings 11 of 0.3mm thickness, the second aluminium alloy layering 12 and 3 Al alloy layering 13 have consisted of sputter type or evaporation type aluminium alloy layer 9;
Step 5: use cutter to do a mark in sputter type or evaporation type aluminium alloy layer 9 lip-deep predeterminated positions, with this reference origin as computer monitoring, cut in addition one that goes in sputter type or 9 four angles of evaporation type aluminium alloy layer;
Step 6: use scissors to deduct corrosion-resistant 5 redundance that exceeds square annular stitch 6 bases of PVC insulation, so that just in time align one by one with four limits of the annular stitch base of square in four limits that PVC insulate corrosion-resistant 5;
Step 7: use black tape that the PVC zone that does not cover sputter type or evaporation type aluminium alloy layer 9 on corrosion-resistant 5 of insulating is pasted, final so that only have sputter type or the evaporation type aluminium alloy layer 9 residing zones can printing opacities on corrosion-resistant 5PVC thin slice of PVC insulation;
Step 8: use black tape that CCD panel covering protection is got up, only expose three stitch lead-in wire 2.
Claims (1)
1. sensor that carries out corrosion monitoring for aluminum alloy material surface, comprise the CCD panel, it is characterized in that: Down-Up being followed successively by the side with the circuit board (3) of three stitch of outwards extending lead-in wires (2) and being embedded with the square annular stitch base (6) of internal lead (7) of CCD panel, the inside of this square annular stitch base (6) is provided with photosensitive region (8), corrosion monitoring module directly over the covering CCD panel, the corrosion monitoring module is followed successively by PVC insulation corrosion-resistant (5) that thickness range is 0.15mm-2mm and scarce one jiao sputter type or evaporation type aluminium alloy layer (9) from bottom to top, the projection of the vertical direction after the projection of the vertical direction of sputter type or evaporation type aluminium alloy layer (9) and photosensitive region (8) lack same a jiao is consistent, the chemical analysis of sputter type or evaporation type aluminium alloy layer (9) is consistent with the chemical analysis of alloy matrix aluminum to be monitored, sputter type or evaporation type aluminium alloy layer (9) are by from left to right equally distributed the first aluminium alloy layering (11), the second aluminium alloy layering (12) and 3 Al alloy layering (13) consist of, wherein the thickness of the first aluminium alloy layering (11) is 0.05mm, the thickness of the second aluminium alloy layering (12) is 0.15mm, and the thickness of 3 Al alloy layering (13) is 0.3mm.
2, according to claim 1ly carry out the manufacturing of the fiber grating sensors method of corrosion monitoring for aluminum alloy material surface, step is as follows:
Step 1: choose the special-purpose CCD panel of shooting, the color of regulating the CCD panel is white-black pattern, then gets rid of the cover glass sheet on photosensitive region (8) surface of CCD panel.
Step 2: choose large corrosion-resistant (5) of PVC insulation of vertical projection area of the square annular stitch base (6) of this CCD panel of vertical projection Area Ratio, as the making matrix of sputter type or evaporation type aluminium alloy layer (9);
Step 3: use pure acetone to clean PVC insulation corrosion-resistant (5) until get rid of the greasy dirt of its lower surface, use fine sandpaper, the base of the square annular stitch (6) of CCD panel is polished into the plane, re-use pure acetone and clean this plane, after to be dried, use super glue evenly to be applied on this surface, PVC is insulated corrosion-resistant (5) stickup thereon, until the glue solidifies;
Step 4: the projection of choosing vertical direction at corrosion-resistant (5) upper surface of the PVC insulation zone consistent with the projection of photosensitive region 8 vertical directions is as sputter or evaporation zone, this sputter or evaporation zone from left to right evenly are divided into the first subregion, the second subregion and the 3rd subregion, then choose the chemical analysis aluminium alloy consistent with the chemical analysis of alloy matrix aluminum to be monitored, again with the mode of sputter or evaporation with this aluminium alloy in the first subregion, respectively sputter or evaporation the first aluminium alloy layering (11) that goes out 0.05mm thickness of the second subregion and the 3rd subregion, 0.15mm the second aluminium alloy layering (12) of thickness and the 3 Al alloy layering (13) of 0.3mm thickness, the first aluminium alloy layering (11), the second aluminium alloy layering (12) and 3 Al alloy layering (13) have consisted of sputter type or evaporation type aluminium alloy layer (9);
Step 5: use cutter to do a mark in sputter type or the lip-deep predeterminated position of evaporation type aluminium alloy layer (9), with this reference origin as computer monitoring, cut in addition one that goes in sputter type or (9) four angles of evaporation type aluminium alloy layer;
Step 6: use scissors to deduct the redundance that PVC insulation corrosion-resistant (5) exceeds square annular stitch (6) base, so that just in time align one by one with four limits of the annular stitch base of square in four limits of PVC insulation corrosion-resistant (5);
Step 7: use black tape that the PVC zone that does not cover sputter type or evaporation type aluminium alloy layer (9) on corrosion-resistant (5) of insulating is pasted, only have sputter type or the residing zone of evaporation type aluminium alloy layer (9) can printing opacity in the final so that PVC insulation corrosion-resistant (5);
Step 8: use black tape that CCD panel covering protection is got up, only expose three stitch lead-in wires (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110160900 CN102353627B (en) | 2011-06-16 | 2011-06-16 | Sensor for corrosion monitoring of aluminium alloy material surface and manufacturing method thereof |
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| CN 201110160900 CN102353627B (en) | 2011-06-16 | 2011-06-16 | Sensor for corrosion monitoring of aluminium alloy material surface and manufacturing method thereof |
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| CN102353627A CN102353627A (en) | 2012-02-15 |
| CN102353627B true CN102353627B (en) | 2013-02-27 |
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Granted publication date: 20130227 Termination date: 20160616 |