CN101879656A - Method for preparing aluminum based intelligent composite material by ultrasonic welding - Google Patents
Method for preparing aluminum based intelligent composite material by ultrasonic welding Download PDFInfo
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- CN101879656A CN101879656A CN2010102126947A CN201010212694A CN101879656A CN 101879656 A CN101879656 A CN 101879656A CN 2010102126947 A CN2010102126947 A CN 2010102126947A CN 201010212694 A CN201010212694 A CN 201010212694A CN 101879656 A CN101879656 A CN 101879656A
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Abstract
The invention relates to a method for preparing an aluminum base intelligent composite material by ultrasonic welding. The method is characterized by comprising the following steps of: (1) intercepting an aluminum alloy foil; (2) pre-protecting an optical fiber Bragg grating (FBG) metal coating; (3) carrying out joint protection on a tetrafluoroethylene soft capillary; (4) adjusting an ultrasonic metal welding equipment parameter; and (5) embedding an FBG with sensing property by ultrasonic welding. The invention has the advantages that an optical fiber grating sensor embedded into a metal matrix by ultrasonic welding improves the high temperature resistance and the corrosion resistance of a sensor and has a favorable protecting function on the optical fiber grating; and the metal based intelligent composite material manufactured by ultrasonic welding effectively inhibits the cross sensitivity of the FBG, plays a role of temperature sensitivity improvement and obtains a temperature sensor with higher resolution and test precision.
Description
Technical field
The present invention relates to a kind of preparation aluminum based intelligent composite material method, relate in particular to a kind of method for preparing aluminum based intelligent composite material by ultrasonic welding.
Background technology
Intellectual material or structure have self-perception, the ability of OBD and self-management, Fiber Bragg Grating FBG (FBG) sensor is little except that having general Fibre Optical Sensor size, in light weight, high temperature resistant, corrosion-resistant, energy consumption is little, anti-electromagnetic interference capability is strong, outside the advantages such as sensitivity height, it is good also to have spectral characteristic, the reliability height, broadband, high data rate, long transmission distance, can realize remote diagnosis by fibre circuit, particularly having the Wavelength-encoding absolute value measures and is easy in linear array, multiplexing in the topological structures such as face battle array, can realize the advantage of distributed and quasi-distributed on-line monitoring, Fiber Bragg Grating FBG (FBG) sensor is imbedded in the hardware, can be obtained the SMART METALS member.The big aircraft project of current China formally starts, and the successful development of intellectual material or structure certainly will be had place to show one's prowess on big aircraft.If can detect the parameters such as temperature, crackle of big interior of aircraft in good time by intellectual material or structure, to the flight safety that improves aircraft with significant.
The development of current intelligent composite and manufacturing technology concentrate on the intelligent composite of polymer base.Although polymer base intelligent composite low cost of manufacture, in light weight, be easy to make, it compares application with metal temperature, intensity are low, and are easy to degraded.Simultaneously polymer matrix composite can not recycling and around imbedding the unit very high residual stress etc. is arranged.Although polymer base intelligent composite has become commercial product, more press for the higher Metal Substrate intelligent composite of intensity on the market and deal with worse environment or satisfy higher security needs.
Fiber Bragg Grating FBG (FBG) sensor is imbedded in the metallic matrix very difficult, because the poor heat stability of Fiber Bragg Grating FBG (FBG) sensor and broken easily, and conventional manufacture method is because thermograde formation residual stress accumulates, easily causes the inefficacy fracture of Fiber Bragg Grating FBG (FBG) sensor etc., sensor is difficult to stand the destruction of high temperature, thereby classical production process is difficult to finish the manufacturing of Metal Substrate intelligent composite.Why the present invention uses ultrasonic welding method to make the Metal Substrate intelligent composite, be that its speed of welding is fast, energy consumption is low because ultrasonic bonding is different from classical production process, can realize that multiple metal material connects, processing temperature low (approximately being the 25-50% of melting point metal).Can successfully realize imbedding and unlikely damage inactivation of Fiber Bragg Grating FBG (FBG) based on above characteristics.Result of study shows, the Metal Substrate intelligent composite intensity height that the ultrasonic wave metal welding is made, corrosion-resistant, high temperature resistant, suppress the cross-sensitivity of Fiber Bragg Grating FBG (FBG) effectively, played the temperature sensitizing effect, obtained the more temperature sensor of high-resolution and measuring accuracy.
Summary of the invention
The object of the present invention is to provide a kind of method for preparing aluminum based intelligent composite material by ultrasonic welding, this method makes the fiber-optic grating sensor of imbedding in the metallic matrix tackle worse environment or satisfies higher security needs, and play the temperature sensitizing effect, obtain the more temperature sensor of high-resolution and measuring accuracy.
The present invention is achieved like this, and it is characterized in that method step is:
(1) intercepting aluminium alloy paillon foil: use the geometry of metal sheet slitting device intercepts aluminium alloy paillon foil as 160mm * 18mm * 0.3mm specification;
(2) Fiber Bragg Grating FBG (FBG) coat of metal is protected in advance: adopt with electric plating method behind the chemical composite nickel-plating and realize Fiber Bragg Grating FBG (FBG) coat of metal is protected in advance;
(3) tetrafluoroethene fur tubule saver sub: put the internal diameter tetrafluoroethene fur tubule identical with fibre diameter avoided fibre-optical splice as joint protective warpage and damage at aluminium alloy edge optical fiber leading-out end place;
(4) adjust ultrasonic wave metal welding equipment parameter: adopt the ultrasonic bonding parameter to be:
Operating frequency: 20KHZ ± 0.3KHZ
Peak power output: 4000W
Weld interval: 0.04s-0.2s
Supply voltage: AC380V ± 10%
Welding current: 12A
Vibration amplitude: 35 μ m
Welding electrode surface: 15mm * 15mm, 9mm * 9mm (surface roughness difference)
Welding pressure: 0-180Mpa;
(5) Fiber Bragg Grating FBG (FBG) with sensing capabilities is imbedded in ultrasonic bonding: the Fiber Bragg Grating FBG (FBG) that protects is inserted in the aluminum substrate, and pave.
The thickness of the described coat of metal is chosen as:
1) uses alcohol wipe bare fibre Bragg grating (FBG) to increase interface bond strength, directly imbed in the aluminum substrate and promptly Fiber Bragg Grating FBG (FBG) is not done coat of metal protection;
2) imbed in the aluminum substrate behind the electric plating method protection Fiber Bragg Grating FBG (FBG) behind the use chemical nickel plating, thickness of coating control 150-170 μ m is advisable.
The method that described Fiber Bragg Grating FBG (FBG) is inserted aluminum substrate is: Fiber Bragg Grating FBG (FBG) directly places between two tinsels, and first low pressure, short time prewelding select for use above welding parameter to carry out ultrasonic bonding again; Two paillon foils are respectively opened sulculus and are put into part optical fiber, and the cleaning of maintenance grooved surface and smooth places Fiber Bragg Grating FBG (FBG) the fluting interface to carry out ultrasonic bonding again; On a paillon foil, slot, the cleaning of maintenance grooved surface and smooth, (FBG) places in the groove with Fiber Bragg Grating FBG, carries out ultrasonic bonding.
Advantage of the present invention is: fiber-optic grating sensor is imbedded the high temperature resistant and decay resistance that has increased sensor in the metallic matrix under (1) ultrasonic bonding, and fiber grating has been played the better protection effect; (2) the Metal Substrate intelligent composite of ultrasonic bonding manufacturing has suppressed the cross-sensitivity of Fiber Bragg Grating FBG (FBG) effectively, played the temperature sensitizing effect, has obtained the more temperature sensor of high-resolution and measuring accuracy.
The specific embodiment
Method step of the present invention is as follows:
(1) intercepting 6061 aluminium alloy paillon foils: use the geometry of metal sheet slitting device intercepts 6061 aluminium alloy paillon foils, for the better bond strength in interface uses alcohol to carry out wiping to obtain cleaner mating surface to the aluminium alloy paillon foil that intercepts as 160mm * 18mm * 0.3mm specification.
(2) Fiber Bragg Grating FBG (FBG) coat of metal is protected in advance: use alcohol wipe bare fibre Bragg grating (FBG) to increase interface bond strength, directly imbed in the aluminum substrate and promptly Fiber Bragg Grating FBG (FBG) is not done coat of metal protection; Imbed in the aluminum substrate behind the electric plating method protection Fiber Bragg Grating FBG (FBG) behind the use chemical nickel plating, thickness of coating control 150-170 μ m is advisable.
(3) tetrafluoroethene fur tubule saver sub: put the internal diameter tetrafluoroethene fur tubule identical with fibre diameter avoided fibre-optical splice as joint protective warpage and damage at aluminium alloy edge optical fiber leading-out end place.
(4) adjust ultrasonic wave metal welding equipment parameter: adopt the ultrasonic bonding parameter to be:
Operating frequency: 20KHZ ± 0.3KHZ
Peak power output: 4000W
Weld interval: 0.09s
Supply voltage: AC380V ± 10%
Welding current: 12A
Vibration amplitude: 35 μ m
Welding electrode surface: 15mm * 15mm
Welding pressure: 155Mpa
(5) Fiber Bragg Grating FBG (FBG) with sensing capabilities is imbedded in ultrasonic bonding: 1) Fiber Bragg Grating FBG (FBG) directly places between two tinsels, and first low pressure, short time prewelding select for use above welding parameter to carry out ultrasonic bonding again; 2) two paillon foils are respectively opened sulculus and are put into part optical fiber, and the cleaning of maintenance grooved surface and smooth places the fluting interface to carry out ultrasonic bonding Fiber Bragg Grating FBG (FBG); 3) on a paillon foil, slot, the cleaning of maintenance grooved surface and smooth, (FBG) places in the groove with Fiber Bragg Grating FBG, carries out ultrasonic bonding.
Claims (3)
1. method for preparing aluminum based intelligent composite material by ultrasonic welding is characterized in that method step is:
(1) intercepting aluminium alloy paillon foil: use the geometry of metal sheet slitting device intercepts aluminium alloy paillon foil as 160mm * 18mm * 0.3mm specification;
(2) the Fiber Bragg Grating FBG coat of metal is protected in advance: adopt with electric plating method behind the chemical composite nickel-plating and realize the Fiber Bragg Grating FBG coat of metal is protected in advance;
(3) tetrafluoroethene fur tubule saver sub: put the internal diameter tetrafluoroethene fur tubule identical with fibre diameter avoided fibre-optical splice as joint protective warpage and damage at aluminium alloy edge optical fiber leading-out end place;
(4) adjust ultrasonic wave metal welding equipment parameter: adopt the ultrasonic bonding parameter to be:
Operating frequency: 20KHZ ± 0.3KHZ
Peak power output: 4000W
Weld interval: 0.04s-0.2s
Supply voltage: AC380V ± 10%
Welding current: 12A
Vibration amplitude: 35 μ m
Welding electrode surface: 15mm * 15mm, 9mm * 9mm
Welding pressure: 0-180Mpa;
(5) Fiber Bragg Grating FBG with sensing capabilities is imbedded in ultrasonic bonding: the Fiber Bragg Grating FBG that protects is inserted in the aluminum substrate, and pave.
2. method for preparing aluminum based intelligent composite material by ultrasonic welding according to claim 1 is characterized in that the thickness of the described coat of metal is chosen as:
1) uses alcohol wipe bare fibre Bragg grating to increase interface bond strength, directly imbed in the aluminum substrate and promptly Fiber Bragg Grating FBG is not done coat of metal protection;
2) imbed in the aluminum substrate behind the electric plating method protection Fiber Bragg Grating FBG behind the use chemical nickel plating, thickness of coating control 150-170 μ m is advisable.
3. method for preparing aluminum based intelligent composite material by ultrasonic welding according to claim 1, it is characterized in that described Fiber Bragg Grating FBG inserts the method for aluminum substrate and be: Fiber Bragg Grating FBG directly places between two tinsels, elder generation's low pressure, short time prewelding select for use above welding parameter to carry out ultrasonic bonding again; Two paillon foils are respectively opened sulculus and are put into part optical fiber, and the cleaning of maintenance grooved surface and smooth places Fiber Bragg Grating FBG the fluting interface to carry out ultrasonic bonding again; Slot on a paillon foil, the cleaning of maintenance grooved surface and smooth places Fiber Bragg Grating FBG in the groove, carries out ultrasonic bonding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102126947A CN101879656A (en) | 2010-06-29 | 2010-06-29 | Method for preparing aluminum based intelligent composite material by ultrasonic welding |
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| CN2010102126947A CN101879656A (en) | 2010-06-29 | 2010-06-29 | Method for preparing aluminum based intelligent composite material by ultrasonic welding |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248275A (en) * | 2011-06-20 | 2011-11-23 | 南昌大学 | Method for ultrasonically welding block amorphous alloy material |
| CN102350583A (en) * | 2011-10-10 | 2012-02-15 | 南昌大学 | Ultrasonic welding method for preparing titanium alloy structure |
| CN102407402A (en) * | 2011-09-06 | 2012-04-11 | 南昌大学 | Crystal and non-crystal ultrasonic welding method |
| CN102672338A (en) * | 2012-05-11 | 2012-09-19 | 江苏有能电力自动化有限公司 | Welding process of multilayer foil type coils of resonance-eliminating compensation transformation device |
| CN103727889A (en) * | 2012-10-12 | 2014-04-16 | 南昌大学 | Method for real-time monitoring of internal temperature strain of workpiece in ultrasonic metal welding process |
| CN104198096A (en) * | 2014-08-27 | 2014-12-10 | 基康仪器股份有限公司 | Fiber bragg grating pressure sensor used in high-temperature high-voltage environment and manufacturing method |
| CN106498843A (en) * | 2016-10-12 | 2017-03-15 | 广西大学 | Intelligent aluminium alloy tendon concrete structure and its making and construction method |
| CN116252036A (en) * | 2022-12-23 | 2023-06-13 | 哈尔滨工程大学 | Method for integrally forming intelligent metal by metal and polymer flexible sensor |
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| CN1971226A (en) * | 2005-11-22 | 2007-05-30 | 中国石油大学(北京) | Package structure of optical fiber grating temperature sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248275A (en) * | 2011-06-20 | 2011-11-23 | 南昌大学 | Method for ultrasonically welding block amorphous alloy material |
| CN102407402A (en) * | 2011-09-06 | 2012-04-11 | 南昌大学 | Crystal and non-crystal ultrasonic welding method |
| CN102350583A (en) * | 2011-10-10 | 2012-02-15 | 南昌大学 | Ultrasonic welding method for preparing titanium alloy structure |
| CN102672338A (en) * | 2012-05-11 | 2012-09-19 | 江苏有能电力自动化有限公司 | Welding process of multilayer foil type coils of resonance-eliminating compensation transformation device |
| CN103727889A (en) * | 2012-10-12 | 2014-04-16 | 南昌大学 | Method for real-time monitoring of internal temperature strain of workpiece in ultrasonic metal welding process |
| CN104198096A (en) * | 2014-08-27 | 2014-12-10 | 基康仪器股份有限公司 | Fiber bragg grating pressure sensor used in high-temperature high-voltage environment and manufacturing method |
| CN106498843A (en) * | 2016-10-12 | 2017-03-15 | 广西大学 | Intelligent aluminium alloy tendon concrete structure and its making and construction method |
| CN116252036A (en) * | 2022-12-23 | 2023-06-13 | 哈尔滨工程大学 | Method for integrally forming intelligent metal by metal and polymer flexible sensor |
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Application publication date: 20101110 |