CN1621802A - Coating mechanical testing equipment - Google Patents
Coating mechanical testing equipment Download PDFInfo
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- CN1621802A CN1621802A CN 200410102906 CN200410102906A CN1621802A CN 1621802 A CN1621802 A CN 1621802A CN 200410102906 CN200410102906 CN 200410102906 CN 200410102906 A CN200410102906 A CN 200410102906A CN 1621802 A CN1621802 A CN 1621802A
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Abstract
The mechanical test equipment for coating includes mechanical performance test machine, optical video cameran instrument and dynamic acoustic emitting monitoring instrument. The mechanical performance test machine is for the mechanical test on the coating material to obtain corresponding load shift curve automatically; the optical video cameran instrument is for taking the crack creating and expanding images of the coating sample under test from two directions, with the obtained images corresponding to the load shift curve; and the dynamic acoustic emitting monitoring instrument is for on-line continuously monitoring the load damage behavior of the coating material with the acoustic emitting system and measuring the time of coating breaking or interface breaking corresponding to the load shift curve. The present invention may be used in various mechanical tests of coating material.
Description
Technical field
The present invention relates to a kind of test unit of measuring the coating mechanical property.
Background technology
Coating technology is important modern material process for treating surface and material complex technique, is widely used in the manufacture views such as engine of space flight and aviation, weapons, power-equipment, transportation equipment.Different coating materials adopts the preparation of different process method at concrete operating mode, and its performance characteristics shows strong diversity.Different process can prepare the coating of unlike material, as electrodeposited chromium, and the thermal spray stainless steel, plasma sprayed ceramic, hot-dip aluminizing, the metal differential arc oxidation forms ceramic layer; Different process can prepare identical material but the different coating of design feature, as hot pressing or electro-coppering coating, and thermal spray or plasma spraying stainless steel; The parameter difference of same process method can prepare the different coating of design feature, as different electroplating technological parameters, can obtain hard chrome or the bigger coating of soft chromium performance difference.In addition, the matrix state also produces strong influence to the coating of preparation: the grain size of matrix and position to, types of organization and distribution etc. all can influence the formation of coating, this can fully be reflected in the growth type production of coatings, as electroplating technology; The tension of matrix surface or compressive stress state are to the formation and the different influence of performance generation of coating; The matrix surface pattern also produces significantly influence to the formation and the performance of coating, as the coarse pre-service of matrix surface before the thermal spray.
Present coating performance experiment mainly is to carry out the technology contrast experiment at operating mode, as anti-ablation experiments, the anti-thermal shock experiment, the experiment of resistance to wearing, shearing experiment, the microhardness experiment, stretching experiment (has corresponding national standards, be primarily aimed at the hot spray coating of anchoring strength of coating) less than 50MPa, scratch experiment (this experiment mainly is the film at micron dimension) or the like, above-mentioned experiment all can't obtain the necessary correlation parameter of mechanical analysis institute, as the fracture toughness of coating, the interface tension fracture strength, interface shearing fracture strength etc.
Summary of the invention
Problem at above-mentioned existence, the object of the present invention is to provide a kind of coating mechanical testing equipment, this device integrates sound, light, dynamo-electric three, can be when obtaining corresponding load displacement curve, online judgement, supervision and record coating and interface damage, the evolution process in process of the test.
For achieving the above object, a kind of coating mechanical testing equipment of the present invention comprises: Mechanics Performance Testing machine, optical photography instrument and acoustic emission dynamic monitor, wherein:
Described Mechanics Performance Testing machine can be respectively to coating material carry out mechanical impression, reverse, stretch, crooked, two mechanical tests of drawing and shearing, obtain corresponding load displacement curve simultaneously automatically;
Described optical photography instrument can be taken coating the sample in test germinating and the expanded images of crackle from both direction arbitrarily, and the image that is obtained is corresponding with described load displacement curve;
Described acoustic emission dynamic monitor is subjected to the load derogatory behaviour with acoustic emission system on-line continuous monitoring coating material, measures the time of coating failure or interfacial fracture, and corresponding with described load displacement curve.
Further, also comprise clamp tool and guiding mechanism, can on the X-Y direction, freely adjust the position of sample, and the stress point of sample is consistent with the stressed axis and the airborne lotus axle of described Mechanics Performance Testing of described guide frame.
Further, described clamp tool is the accurate combination of a GP-XY20K clamp tool, and described guiding mechanism is the accurate guiding mechanism of GP-ZH.
Further, described Mechanics Performance Testing machine is the special-purpose universal testing machine of GP-TS2000HM computer servocontrol coating material.
Further, described optical photography instrument is a GP-TSHCCD600 optical camera system scope.
Further, described acoustic emission dynamic monitor is GP-TSHAE10Kn.
The present invention can be respectively to coating material carry out impression, reverse, stretch, mechanical tests such as crooked, two drawing (bulging) and shearing, automatically obtain corresponding load displacement curve, and the online judgement of energy, supervision and record coating and the interface Damage Evolution process (as coating crack form and differentiation etc.) in above-mentioned process of the test, obtain the coating mechanical property for final analysis test figure is provided.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment:
As shown in Figure 1, the present invention includes Mechanics Performance Testing machine 1, optical photography instrument 2 and acoustic emission dynamic monitor 3, Mechanics Performance Testing machine 1 can be respectively to coating material machinery impression, reverse, stretch, crooked, two mechanical tests of drawing and shearing, obtain corresponding load displacement curve simultaneously automatically; Optical photography instrument 2 is two cover high-resolution optical video cameras, can take coating the sample in test germinating and the expanded images of crackle from both direction arbitrarily, and the image that is obtained is corresponding with load displacement curve; Acoustic emission dynamic monitor 3 usefulness acoustic emission system on-line continuous monitorings coating material be subjected to the load derogatory behaviour, measure the time of coating failure or interfacial fracture, and corresponding with load displacement curve; Wherein, Mechanics Performance Testing machine 1 adopts the special-purpose universal testing machine of GP-TS2000HM computer servocontrol coating material, and optical photography instrument 2 adopts GP-TSHCCD600 optical camera system scope, and acoustic emission dynamic monitor 3 adopts GP-TSHAE10Kn.In order to make test accurately, the clamping sample is simple and direct, adopt the accurate guiding mechanism of GP-XY20K accurate combination clamp tool and GP-ZH, can on the X-Y direction, freely adjust the position of sample, this error is less than 10 μ m, and the stress point of sample is consistent with the stressed axis and the Mechanics Performance Testing machine 1 load axle of guide frame, and clamp tool is can clamping cylindrical, square column type and plate shaped sample.
Claims (6)
1, a kind of coating mechanical testing equipment is characterized in that, comprising: Mechanics Performance Testing machine, optical photography instrument and acoustic emission dynamic monitor, wherein:
Described Mechanics Performance Testing machine can be respectively to coating material carry out mechanical impression, reverse, stretch, crooked, two mechanical tests of drawing and shearing, obtain corresponding load displacement curve simultaneously automatically;
Described optical photography instrument can be taken coating the sample in test germinating and the expanded images of crackle from both direction arbitrarily, and the image that is obtained is corresponding with described load displacement curve;
Described acoustic emission dynamic monitor is subjected to the load derogatory behaviour with acoustic emission system on-line continuous monitoring coating material, measures the time of coating failure or interfacial fracture, and corresponding with described load displacement curve.
2, coating mechanical testing equipment according to claim 1, it is characterized in that, also comprise clamp tool and guiding mechanism, can on the X-Y direction, freely adjust the position of sample, and the stress point of sample is consistent with the stressed axis and the airborne lotus axle of described Mechanics Performance Testing of described guide frame.
3, coating mechanical testing equipment according to claim 2 is characterized in that, described clamp tool is the accurate combination of a GP-XY20K clamp tool, and described guiding mechanism is the accurate guiding mechanism of GP-ZH.
According to the arbitrary described coating mechanical testing equipment of claim 1 to 3, it is characterized in that 4, described Mechanics Performance Testing machine is the special-purpose universal testing machine of GP-TS2000HM computer servocontrol coating material.
5, coating mechanical testing equipment according to claim 4 is characterized in that, described optical photography instrument is a GP-TSHCCD600 optical camera system scope.
6, coating mechanical testing equipment according to claim 5 is characterized in that, described acoustic emission dynamic monitor is GP-TSHAE10Kn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410102906 CN1621802A (en) | 2004-12-30 | 2004-12-30 | Coating mechanical testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410102906 CN1621802A (en) | 2004-12-30 | 2004-12-30 | Coating mechanical testing equipment |
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| CN1621802A true CN1621802A (en) | 2005-06-01 |
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| CN 200410102906 Pending CN1621802A (en) | 2004-12-30 | 2004-12-30 | Coating mechanical testing equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426271A (en) * | 2011-09-07 | 2012-04-25 | 南昌航空大学 | Kelvin probe measurement method for bonding strength of metal alloy connecting piece interface |
| CN102928335A (en) * | 2012-10-08 | 2013-02-13 | 西安交通大学 | Biaxial drawing test piece for testing strength of thermal barrier coating |
| CN101421614B (en) * | 2006-03-03 | 2013-09-11 | 蒂森克虏伯钢铁股份公司 | Method and device for testing the quality of a metallic coating |
| CN103592182A (en) * | 2013-11-11 | 2014-02-19 | 华南农业大学 | Real-time image observation and acquisition platform and method for microstructure of material with loads |
| CN103792151A (en) * | 2014-01-27 | 2014-05-14 | 中南大学 | Measurement device and method for dynamic stretching crack propagation speed of fragile material |
| CN103940736A (en) * | 2014-04-01 | 2014-07-23 | 上海交通大学 | Multifunctional scratch test device for thin film coating |
| CN105334104A (en) * | 2015-09-23 | 2016-02-17 | 中国特种设备检测研究院 | Magnetic signal detection apparatus |
| CN106290002A (en) * | 2016-08-03 | 2017-01-04 | 中国矿业大学 | Rock I mode-Ⅲ crack based on three point bending test extension overall process detection method |
| CN107843495A (en) * | 2016-09-21 | 2018-03-27 | 东莞市大满包装实业有限公司 | One kind test flexible method of color printing film-covered iron face coat |
| CN108020269A (en) * | 2018-01-30 | 2018-05-11 | 吉林大学 | A kind of acoustic emission test device detected for axial workpiece bending crack with fracture |
| CN109520830A (en) * | 2018-11-23 | 2019-03-26 | 中国船舶重工集团公司第七〇九研究所 | A kind of pipeline elastic element acoustic states on-Line Monitor Device |
| CN109946160A (en) * | 2019-05-05 | 2019-06-28 | 中国人民解放军陆军装甲兵学院 | Coating material original position stretching observation system |
| CN110044702A (en) * | 2019-05-05 | 2019-07-23 | 中国人民解放军陆军装甲兵学院 | Vacuum sound emission nondestructive detection system |
| CN111537436A (en) * | 2020-04-03 | 2020-08-14 | 南京航空航天大学 | Device and method for testing fracture toughness of solid-ice interface under large-area icing condition of surface of coating material |
| CN111965047A (en) * | 2020-07-07 | 2020-11-20 | 南京航空航天大学 | Composite material interlaminar shear testing device and operation method thereof |
-
2004
- 2004-12-30 CN CN 200410102906 patent/CN1621802A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101421614B (en) * | 2006-03-03 | 2013-09-11 | 蒂森克虏伯钢铁股份公司 | Method and device for testing the quality of a metallic coating |
| CN102426271A (en) * | 2011-09-07 | 2012-04-25 | 南昌航空大学 | Kelvin probe measurement method for bonding strength of metal alloy connecting piece interface |
| CN102928335A (en) * | 2012-10-08 | 2013-02-13 | 西安交通大学 | Biaxial drawing test piece for testing strength of thermal barrier coating |
| CN103592182A (en) * | 2013-11-11 | 2014-02-19 | 华南农业大学 | Real-time image observation and acquisition platform and method for microstructure of material with loads |
| CN103592182B (en) * | 2013-11-11 | 2015-09-30 | 华南农业大学 | With carrying lower microstructure realtime graphic observation acquisition platform and method |
| CN103792151A (en) * | 2014-01-27 | 2014-05-14 | 中南大学 | Measurement device and method for dynamic stretching crack propagation speed of fragile material |
| CN103792151B (en) * | 2014-01-27 | 2015-11-11 | 中南大学 | The measurement mechanism of hard brittle material dynamic tensile crack propagation velocity and measuring method |
| CN103940736A (en) * | 2014-04-01 | 2014-07-23 | 上海交通大学 | Multifunctional scratch test device for thin film coating |
| CN105334104A (en) * | 2015-09-23 | 2016-02-17 | 中国特种设备检测研究院 | Magnetic signal detection apparatus |
| CN106290002B (en) * | 2016-08-03 | 2019-03-12 | 中国矿业大学 | I type crack propagation overall process detection method of rock based on three point bending test |
| CN106290002A (en) * | 2016-08-03 | 2017-01-04 | 中国矿业大学 | Rock I mode-Ⅲ crack based on three point bending test extension overall process detection method |
| CN107843495A (en) * | 2016-09-21 | 2018-03-27 | 东莞市大满包装实业有限公司 | One kind test flexible method of color printing film-covered iron face coat |
| CN108020269A (en) * | 2018-01-30 | 2018-05-11 | 吉林大学 | A kind of acoustic emission test device detected for axial workpiece bending crack with fracture |
| CN108020269B (en) * | 2018-01-30 | 2023-09-29 | 吉林大学 | Acoustic emission testing device for detecting bending cracks and fractures of shaft parts |
| CN109520830A (en) * | 2018-11-23 | 2019-03-26 | 中国船舶重工集团公司第七〇九研究所 | A kind of pipeline elastic element acoustic states on-Line Monitor Device |
| CN109520830B (en) * | 2018-11-23 | 2024-03-08 | 中国船舶重工集团公司第七一九研究所 | Online monitoring device for acoustic state of pipeline elastic element |
| CN109946160A (en) * | 2019-05-05 | 2019-06-28 | 中国人民解放军陆军装甲兵学院 | Coating material original position stretching observation system |
| CN110044702A (en) * | 2019-05-05 | 2019-07-23 | 中国人民解放军陆军装甲兵学院 | Vacuum sound emission nondestructive detection system |
| CN111537436A (en) * | 2020-04-03 | 2020-08-14 | 南京航空航天大学 | Device and method for testing fracture toughness of solid-ice interface under large-area icing condition of surface of coating material |
| CN111965047A (en) * | 2020-07-07 | 2020-11-20 | 南京航空航天大学 | Composite material interlaminar shear testing device and operation method thereof |
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