CN202710449U - Device for testing ice adhesion strength normal force on material surface - Google Patents
Device for testing ice adhesion strength normal force on material surface Download PDFInfo
- Publication number
- CN202710449U CN202710449U CN 201220166422 CN201220166422U CN202710449U CN 202710449 U CN202710449 U CN 202710449U CN 201220166422 CN201220166422 CN 201220166422 CN 201220166422 U CN201220166422 U CN 201220166422U CN 202710449 U CN202710449 U CN 202710449U
- Authority
- CN
- China
- Prior art keywords
- probe
- sample
- tested
- ice
- adhesion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a device for testing ice adhesion strength normal force on a material surface. Firstly, an adhesion probe dipped with a certain amount of water is vertically pressed onto a refrigerated surface of a sample to be tested to wait till a contact surface is iced and becomes adhesive; secondly, the adhesion probe is vertically pulled to measure the maximum force in a stripping process, and the contact area of the adhesion probe is converted to a quantitative parameter representing the normal ice adhesion strength of the sample to be tested. The device comprises a frame/sample fixed station, a refrigerating temperature control unit, an adhesion probe, a probe pushing and pulling mechanism, a force transducer, an adhesion probe dipping water vessel and the like. A water icing process is taken as an adhesive adhesion process, and the conventional testing errors and environmental interference can be avoided by quantitatively controlling the temperature, the icing water amount, the contact end area of the adhesion probe and an applying load. The device has the advantages of simple principle and structure, convenience for operating, high repeatability, and real representation of the normal adhesion strength of material (or coating) surfaces and ice.
Description
Technical field
The utility model relates to material surface ice and sticks intensity method to force test device.This measuring method and device can be used in the anti-freeze ability on evaluating material (coating) surface, have reference value for the design of low temperature parts.
Background technology
Surface frosting, ice formation issues be under low temperature environment owing to a kind of adhesion that exists moisture or water vapour to produce, icing on the frosting on the vehicle glass, the power transmitting device for example; Freezing on the aircraft wing, the problems such as frosting of refrigeration facility and air-conditioning.Rationally, the ice of evaluating material (or coating), the different configuration of surface rule of sticking of sticking characteristic and analysis of material (coating) and configuration of surface is the basis that develops antifreeze glutinous technology in the engineering field quickly.The evaluation study method of at present, sticking characteristic for the ice of material surface mainly contains: the ASTM D3528-96 of U.S. cold district Research And Engineering testing laboratory (1996) testing standard; ISO8131997 has stipulated the standard of normal direction test adhesive force; Domestic patent 200910005590.6 (apparatus and method of a kind of testing ice cover or anchoring strength of coating) is a kind of proving installation for the cohesive strength between testing ice cover and metal material or the coating and method etc.The subject matter that above several test ice sticks intensity method and device has: (1) test unit is too complicated, need join not too much attachment device; (2) test is repeatable bad, and test findings can't quantification etc.
Some problems of sticking the method and apparatus of intensity for above existing surface test the utility model proposes a kind of easy, repeatable surface ice strong, that can be applicable to simultaneously material (or coating) and stick method of testing and the device of intensity.The utility model at first utilizes and sticking probe and pick quantitative water, then is pressed in the sample to be tested surface of having freezed, and makes it icing with the test specimens surface; Then up draw by push-pull mechanism, utilize force cell, can draw maximum normal direction peeling force this moment.Probe picks quantitative water freezing, the specimen surface cryogenic temperature is controlled because this device sticks at every turn, therefore can obtain the test findings of quantification, and the test repeatability can be guaranteed, and simple in structure, easy to operate.
Summary of the invention
For material surface the normal direction of ice is sticked evaluating characteristics, the utility model proposes a kind of principle simple, but quantification, test repeatability are strong, easy and simple to handle, can be applicable to comprise the ice adhesion strength testing device of the material surface of coating.
Test philosophy of the present utility model is as follows: at first sample to be tested is freezed, reach predetermined cryogenic temperature, and keep the constant of cryogenic temperature.Recycling being sticked probe and picking quantitative water in the water ware, and applies certain load to sticking probe, makes itself and sample to be tested surface close contact, treats that itself and sample to be tested are surperficial icing.Then apply certain normal extension power to sticking probe, it is frozen peel off, can draw maximum normal force in the stripping process by the power sensor, this value namely is used for characterizing sample to be tested surface ice adhesive force.All to pick quantitative water, sample to be tested surface cryogenic temperature controlled and keep temperature-resistant because this installs each test, under the easy condition of test unit, and repeatability that can warranty test, easy to operate.
Material surface ice described in the utility model sticks intensity method to force test method and device, need carry out according to the following steps:
The first step: preparation sample to be tested 3 guarantees the flatness that it is surperficial;
Second step: sample to be tested is installed on frame and holds concurrently on the sample fixed station 1, and guarantee sample to be tested 3 and be contained in the refrigeration unit 2 that frame holds concurrently on the sample fixed station 1 and contact well, open refrigeration control unit 8, sample to be tested 3 and the frame sample fixed station 1 of holding concurrently is freezed, cryogenic temperature is set according to test request, keeps steady state (SS) after sample to be tested 3 surface temperatures reach design temperature;
The 3rd step: when sample to be tested 3 surface temperatures reach probe temperature, be soaked in the water ware 9 with sticking probe 4, guarantee to stick the water and basis weight of 4 adsorptions of popping one's head in; To stick probe 4 Fast Installation on the pull bar 6 that power sensor 5 is housed, and make by adjustment pull bar 6 and stick probe 4 and sample to be tested 3 surperficial good contacts;
The 4th step: keep sticking the constant pressure on 4 pairs of sample to be tested 3 surfaces of pop one's head in, until stick pop one's head in 4 and sample to be tested 3 surface waters freeze to cohere; Keep certain hour according to the interface state that freezes, make its freezing adhesive interface 10 stable;
The 5th step: pulling pull bar 6 makes and sticks probe 4 and sample to be tested 3 surperficial peeling off; Measure the stripping process maximum pull by force cell 5; And the conversion by the interfacial adhesion area, the normal direction ice that draws sample to be tested 3 sticks intensity.
The measurement temperature that described sample to be tested 3 surface normals ice sticks intensity is adjustable, and setting range is at-35～0 ℃; The water yield of sticking 4 adsorptions of popping one's head in is controlled.
Described cryogenic temperature control and stick the getting wet of probe, loading, stripping process and finish by manual type or by electronic mode.
A kind of ice for above-mentioned material surface sticked intensity method to the device of force test method, mainly by frame hold concurrently sample fixed station 1, refrigeration unit 2, stick probe 4, power sensor 5, push-pull mechanism 6 and gauge water ware 9 and form, sticking probe 4 is installed on the push-pull mechanism 6 by power sensor 5, and pass through push-pull mechanism 6 along sliding perpendicular to sample to be tested 3 surface normal directions, to specimen surface pressurization or draw to drag and peel off, sample to be tested 3 is contained in frame by refrigeration unit 2 and holds concurrently on the sample fixed station 1, and the temperature of refrigeration unit 2 is by temperature controller 8 controls.
Sensor can draw maximum peeling force this moment.Can be conversed the intensity of sticking of exosyndrome material surface or coating by area.
Above refrigeration unit is accurately controlled the cryogenic temperature of sample to be tested by regulating DC power control and keeping temperature, and the range of adjustment of cryogenic temperature is according to selecting different refrigeration units and difference (generally at-35～0 ℃).
The disclosed ice of utility model sticks the proving installation of intensity, this device mainly by the refrigeration temperature control unit, stick probe, push-pull mechanism and base and force cell forms, described refrigeration temperature control unit places in the base, sticks probe and is connected on the push-pull rod body by the power sensor.Force cell is determined maximum peeling force in the stripping process by the normal extension that sticks probe.Sticking the probe water ware that gets wet and to guarantee its capacity that is filled with water by setting always, being convenient to control and sticking the probe amount of getting wet.
When in this utility model, sticking probe and peeling off sample to be tested surface icing, can determine maximum peeling force in the drawing process by force cell.
Force cell can adopt electronic or by manually realizing normal extension in this utility model.
Sticking probe in application sticks characteristic according to the ice of sample to be tested and selects the difference of unlike material, different-shape to stick probe.Stick ice sheet in the test process and break to occur in and stick the probe side, do not occur in the sample to be tested surface, the ice that shows sample to be tested sticks intensity and sticks intensity greater than the ice that sticks probe, is considered as test findings invalid, need to change ice stick intensity larger stick probe; The interfacial adhesion ice sheet breaks to occur in and sticks ice sheet inside, shows that the ice that sticks probe and sample to be tested sticks intensity all greater than the intensity of ice self, is considered as test findings effective, and its conclusion is that sample to be tested ice sticks intensity greater than the ice collapse strength; The interfacial adhesion ice sheet breaks and occurs in the sample to be tested surface, is that the ice of sample to be tested sticks normal strength depending on the survey normal force.
With respect to existing surface adhesion strength test ways and means, the disclosed device of the utility model has following difference:
1) refrigeration unit in the test unit freezes to sample to be tested, and at test process sample to be tested is incubated.After effectively avoiding the sample to be tested refrigeration, when sticking again test, cause the thawing of ice owing to temperature variation, thereby test findings is caused very large impact.
2) before testing, first sample to be tested is freezed, after it reaches cryogenic temperature, utilization is sticked probe and pick water in the water ware, then contact with the sample to be tested surface, freeze, guarantee the speed that test is frozen, and then guaranteed the unitarity of test condition and the accuracy of test findings.The probe that sticks in the test unit such as all picks at the water gaging at every turn.
3), stick probe and stick strength characteristics according to the ice of its sample to be tested, can adopt the different materials preparation, stick intensity and can carry out pattern improvement and modification sticking detecting head surface in order to strengthen himself surface ice.To stick probe to the Heat Transfer Influence on surface to be measured in order reducing, the parts that stick probe expection connection to be carried out heat insulation processing, and reduce as far as possible to stick volume and the hot melt of probe.
4), in test, the maximum, force of method of testing during to peeling force sticked intensity by the lower end area that the sticks probe ice that draws exosyndrome material or coating surface that converts.Guaranteed to test and can not introduce other test error, thereby guaranteed the accuracy of test.
The disclosed material surface ice of the utility model sticks intensity method to force test method and device, the ice adhesion strength testing that can be used for multiple material, coating surface sample to be tested is for the material in the engineering and coating provide simple and easy, feasible evaluation method and the means that reference is arranged.
Description of drawings
Fig. 1 is a kind of embodiment schematic diagram of the disclosed device of the utility model.
Fig. 2 peels off situation resolution schematic diagram for sticking ice sheet in the disclosed method of testing of the utility model, wherein:
Fig. 2 (a) coheres original state with the detected materials surface by ice for sticking probe;
Fig. 2 (b) occurs in and sticks near the state probe for sticking breaking of probe stripping process median surface ice, and this state be " unsuccessfully test ", can not reflect truly that the ice of sample to be tested sticks the normal direction characteristic, should change other and stick to pop one's head in and test;
Fig. 2 (c) occurs in ice sheet inside for sticking breaking of probe stripping process median surface ice, this state is " test ", the ice normal direction that shows sample to be tested is sticked intensity above the collapse strength of ice own, and its ice sticks normal strength and is defined as " greater than the collapse strength of ice own ";
Fig. 2 (d) for stick breaking of probe stripping process median surface ice occur in the sample to be tested surface or near, this state be " test ", institute's dynamometry truly characterizes sample to be tested and ices normal direction and stick intensity.
Fig. 3 is the disclosed adoptable enforcement power of the probe form schematic diagram that sticks of the utility model, wherein:
Fig. 3 (a) sticks probe for cylindrical smooth surface;
Fig. 3 (b) is the cylindrical detecting head surface processing reticulate pattern that sticks;
Fig. 3 (c) processes counterbore or through hole for cylindrical sticking on the detecting head surface;
Fig. 3 (d) adopts square smooth surface adhesion probe.
Among the figure: 1. the frame sample fixed station of holding concurrently, 2. refrigeration unit, 3. style to be measured is 4. sticked probe, 5. force cell, 6. push-pull rod body, 7. power display recorder, 8. temperature controller, 9. gauge water ware, 10. interfacial adhesion is iced, 11. quick linkage sections, 12. sliding bearings, 13. water.
Embodiment
The disclosed material surface ice of the utility model sticks intensity method to force test method and device, and the maximum normal force when freezing by test peel test specimen surface comes the ice on characterization sample surface to stick intensity.With existing ice adhesion strength testing method difference: the disclosed mode of the utility model is first sample to be tested 3 to be freezed, and it is incubated, and freezes with sample to be tested 3 surfaces by sticking probe 4 water that pick 13 afterwards.In the stripping process, stick probe 4 by push-pull mechanism 6 normal extensions itself and the freezing occurrence on sample to be tested 3 surfaces are peeled off, can determine the peeling force of maximum in this process by force cell 5.Testing sequence is:
(1) sample to be tested 3 is determined size according to refrigeration unit 2 and sample clamp device, treats test sample 3 surfaces and processes, and keeps flatness.
(2) open refrigeration unit 2, sample to be tested 3 refrigeration are arrived assigned temperature, and it is incubated.
(3) at this moment, 4 pick quantitative water 13 in gauge water ware 9 with sticking probe, make itself and sample to be tested 3 surperficial close contacts, certain time treats that it is icing.This process refrigeration unit 2 will keep sample to be tested 3 is incubated.
(4) wait for freeze fully after, the normal extension by push-pull mechanism 6 sticks probe 4 peels off itself and freezing of sample to be tested 3 surfaces fully, the normal direction peeling force of power sensor record maximum this moment.
Pass through formula
Can calculate the ice that characterizes this sample and stick intensity.
When (5) changing the material of doing other and do experiment, repeat above (1)～(4) step.
The utility model disclosed device implementation method and explanation.The open method proving installation specific implementation method of the utility model and key content are as follows: when sample to be tested 3 surface temperatures reach assigned temperature, pick quantitative water with sticking probe, because stick the bottom that probe all contacts the container of filled with water at every turn, gauge water ware 9 is to be enclosed in the larger water receptacle, thereby having guaranteed that the water 13 in the gauge water ware 9 is for excessive state always, all is quantitative so stick probe 4 water that pick at every turn.Thereafter, sticking probe 4 contacts until fully icing with sample to be tested 3 surfaces.Test has the characteristics of repeatability, simplicity, and water is a kind of binder in fact in process of the test.
Disturb and error in order to reduce test, stick probe 4 materials, version, pattern etc. in the disclosed proving installation of the utility model and all will adjust and select according to sample to be tested 3.4 should reduce as far as possible its volume and hot melt as directly contact with sample to be tested 3 and popping one's head in sticking of cohering, avoid sticking with this and pop one's head in 4 to cohering the impact of ice sheet and sample to be tested 3 subzero temperatures.In the process of the test when measuring maximum normal force, observe interface ice sheet rupture location and form, according to its position resolution test findings whether " qualified ", as the ice sheet that breaks breaks to occur in and sticks probe 4 surfaces, should in time change sticking probe 4 or adopting surface roughening, pattern to change or the probe 4 that sticks that strengthens surperficial icing intensity with blind hole, through hole is tested of the glutinous stronger material of characteristic of ice.According to its test purpose and requirement, can carry out different subzero temperature conditions in concrete device and the test implementation, stick the water yield, freeze-off time etc. are decided the test of parameter material freezing adhesive characteristic.
Obviously; according to the disclosed content of the utility model and specific embodiment explanation; other technician in this area still can make other multi-form changes; can't enumerate one by one all embodiments in the utility model instructions, but the apparent change that is derived thus still belongs among the protection domain of the present utility model.
Claims (1)
1. a material surface ice sticks intensity method to force test device, it is characterized in that, mainly by the frame sample fixed station (1) of holding concurrently, refrigeration unit (2), stick probe (4), power sensor (5), push-pull mechanism (6) and gauge water ware (9) form, sticking probe (4) is installed on the push-pull mechanism (6) by power sensor (5), and pass through push-pull mechanism (6) along sliding perpendicular to sample to be tested (3) surface normal direction, to specimen surface pressurization or draw to drag and peel off, sample to be tested (3) is contained in frame by refrigeration unit (2) and holds concurrently on the sample fixed station (1), and the temperature of refrigeration unit (2) is by temperature controller (8) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220166422 CN202710449U (en) | 2012-04-19 | 2012-04-19 | Device for testing ice adhesion strength normal force on material surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220166422 CN202710449U (en) | 2012-04-19 | 2012-04-19 | Device for testing ice adhesion strength normal force on material surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710449U true CN202710449U (en) | 2013-01-30 |
Family
ID=47590740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220166422 Expired - Fee Related CN202710449U (en) | 2012-04-19 | 2012-04-19 | Device for testing ice adhesion strength normal force on material surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710449U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628789A (en) * | 2012-04-19 | 2012-08-08 | 吉林大学 | Method and device for ice adhesion strength normal force on material surface |
| CN104897565A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨工程大学 | Ice adhesion shearing strength measuring device |
| CN108362640A (en) * | 2018-04-19 | 2018-08-03 | 南京航空航天大学 | A kind of bionical pasting material sticks force test device and its test method |
-
2012
- 2012-04-19 CN CN 201220166422 patent/CN202710449U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628789A (en) * | 2012-04-19 | 2012-08-08 | 吉林大学 | Method and device for ice adhesion strength normal force on material surface |
| CN102628789B (en) * | 2012-04-19 | 2015-01-14 | 吉林大学 | Method and device for ice adhesion strength normal force on material surface |
| CN104897565A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨工程大学 | Ice adhesion shearing strength measuring device |
| CN104897565B (en) * | 2015-06-09 | 2017-05-24 | 哈尔滨工程大学 | Ice adhesion shearing strength measuring device |
| CN108362640A (en) * | 2018-04-19 | 2018-08-03 | 南京航空航天大学 | A kind of bionical pasting material sticks force test device and its test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102628789B (en) | Method and device for ice adhesion strength normal force on material surface | |
| CN102269691B (en) | Method and apparatus for testing ice adhesion strength | |
| CN202710449U (en) | Device for testing ice adhesion strength normal force on material surface | |
| CN104568743B (en) | Testing device for vertical bonding strength of ice layers on surface of material and testing method thereof | |
| CN102520003A (en) | Device for testing ambient-temperature gradient freezing and thawing processes | |
| CN205176019U (en) | It melts device that pore water pressure distributes in consolidation process to measure frozen soil | |
| CN114180072B (en) | Icing thickness detection method | |
| CA2919712C (en) | Active frost forecasting, detection and warning system and method | |
| CN204116158U (en) | A kind of proving installation of snow melt asphalt anti-attachment performance | |
| CN102407942A (en) | Ice formation condition detector | |
| CN107036913B (en) | Method for measuring shear strength between ice layer and solid material in icing wind tunnel experiment section | |
| CN112924303A (en) | Device and method for measuring tangential shear adhesion strength of ice layer and substrate surface | |
| CN103293182A (en) | Automatic heat conductivity coefficient tester through protective heat flow meter method and detection method | |
| CN103499642A (en) | Method and device for measuring compression coefficient and expansion coefficient of material on line | |
| CN108195757A (en) | A kind of measuring device for being used to measure material surface icing adhesion strength | |
| KR101979775B1 (en) | Freeze testing apparatus for ground using up and down motion type multiplex cell | |
| CN116793950A (en) | Ice adhesion strength testing device and method | |
| CN202502040U (en) | Drawing head used for testing ice bonding strength | |
| CN202033278U (en) | Ice adhesion strength testing device | |
| CN204924856U (en) | Detection apparatus for be used for surveing hot melt adhesive viscosity | |
| CN104422647A (en) | Method for measuring low-temperature initial-stage water resistance of coating | |
| CN213068477U (en) | Device for measuring normal and tangential ice adhesion strength of material surface | |
| KR101332179B1 (en) | Freezing sensor | |
| CN109030347B (en) | Integrated surface freeze-adhesion detection experimental equipment | |
| CN106525601B (en) | Integrated epoxy asphalt low-temperature load deformation temperature measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |