CN203849088U - Shape memory performance tester - Google Patents

Shape memory performance tester Download PDF

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Publication number
CN203849088U
CN203849088U CN201420250682.7U CN201420250682U CN203849088U CN 203849088 U CN203849088 U CN 203849088U CN 201420250682 U CN201420250682 U CN 201420250682U CN 203849088 U CN203849088 U CN 203849088U
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China
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shape
cabinet
memory properties
guide rod
test sample
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CN201420250682.7U
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Chinese (zh)
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陈少军
陈仕国
戈早川
莫富年
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Shenzhen University
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Shenzhen University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress

Abstract

The utility model is applied to the technical field of shape memory performance tests on objects, and provides a shape memory performance tester. The shape memory performance tester comprises a case, a guide rod, a clamping head for clamping a test sample, operating rods for stretching the test sample, a heating system, a refrigerating system, a control instrument for setting and displaying the temperature, and a power supply, wherein the guide rod is fixed in the case; length scales are arranged on the guide rod; the clamping head is slidably arranged on the guide rod; the operating rods are arranged on two opposite sides of the case in a penetrating manner respectively; one end of each of the operating rods on the two opposite sides of the case penetrates out of the two sides of the case, and the other end of each operating rod can be fixedly connected with two ends of the test sample. According to the shape memory performance tester, parameters such as the shape fixed rate, the shape recovery rate, the shape recovery temperature and the shape recovery speed of the test sample can be calculated. The shape memory performance tester can also be used for preparing a composite film material, can be used for performing processing such as heating, heat preservation and cooling on a polymer, and is simple in structure, small in size, low in cost and richly functional.

Description

A kind of shape-memory properties tester
Technical field
The utility model belongs to the shape-memory properties technical field of measurement and test of object, relates in particular to a kind of shape-memory properties tester.
Background technology
Shape memory refers to the object with original shape, after deformation is fixing, by the stimulation process of the external conditions such as heating, can make again it recover the phenomenon of original shape.Shape-memory polymer is the intelligent macromolecule material of a quasi-representative, and research is also thermal shape memory macromolecule the earliest the most widely.Not only deformation quantity is large for shape memory high molecule, figuration easily, shape response temperature is convenient to adjust, and there is insulation, good insulation preformance, not corrosion, easy coloring, can print, the feature such as light weight is inexpensive.At present, at medical equipment, textile industry, the aspects such as digital communication products have represented very large application prospect.The performance that characterizes shape-memory polymer comprises shape fixed rate, recovery of shape rate, recovery of shape temperature and recovery of shape speed etc.Shape fixed rate is mainly described the ability of the fixing interim deformation quantity of polymkeric substance; Recovery of shape rate is mainly described polymkeric substance and under extraneous incentive condition, is returned to the initially ability of (original) shape; Temperature when recovery of shape temperature is mainly described polymkeric substance and replied 50% interim deformation; Recovery of shape speed is used for describing polymkeric substance replys the speed of interim deflection, is the reply deformation quantity at unit interval or temperature.Be mainly universal tensile testing machine and the dynamic mechanical tester etc. with alternating temperature case for the equipment of test polymer shape-memory properties at present, but this two complete equipments price is high, volume is large, equipment complexity, method of testing complexity.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of shape-memory properties tester, is intended to solve that shape-memory properties tester price of the prior art is high, volume is large, the problem of equipment complexity, method of testing complexity.
The utility model is to realize like this, a kind of shape-memory properties tester, it comprises cabinet, guide rod, for clamping the chuck of test sample, control lever for extension test sample, heating system, refrigeration system, for setting and control instrument and the power supply of displays temperature; Described guide rod is fixed in described cabinet, which is provided with length scale; Described chuck is slidably disposed on described guide rod, the both sides that described cabinet is relative are all equipped with described control lever, one end of control lever on the relative both sides of described cabinet passes respectively the both sides of described cabinet, and the other end can be fixedly connected with the two ends of described test sample respectively.
Further, described cabinet comprises test chamber setting up and down and control cabinet, and described chuck, guide rod and control lever are arranged in described test chamber, and described heating system, refrigeration system, control instrument and power supply are arranged in described control cabinet.
Further, be provided with two described guide rods that are parallel to each other in described test chamber, described chuck is fixed between two described guide rods.
Further, described two guide rods are provided with compartment of terrain and are provided with two described chucks.
Further, described heating system comprises heating control instrument and heating element.
Further, on the side of described test chamber, be provided with the blower fan for exhaust.
Further, described shape-memory properties tester also comprises the case lid that is covered on described casing top.
Further, on the zone line of described case lid, be embedded with the windowpane for observing described box house.
Further, described chuck is formed by exotic material manufacture.
The utility model compared with prior art, beneficial effect is: the utility model can make box house temperature be fixed as a certain desired value by control instrument control heating system or refrigeration system, use control lever extension test sample, can make it that deformation occurs, can read its deformation quantity by the scale on guide rod; Operator read the temperature in multiple moment and with this temperature under the length of sample, can draw the variation relation of sample deformation recovery and temperature, thereby can calculate the parameters such as shape fixed rate, recovery of shape rate, recovery of shape temperature and recovery of shape speed, shape-memory properties tester of the present utility model is simple in structure, volume is little, and cost is low and method of testing is easy.
Brief description of the drawings
Fig. 1 is the perspective view of a kind of shape-memory properties tester of providing of the utility model embodiment.
Fig. 2 tests the deformation-recovery rate of sample and the graph of relation of temperature while being application test sample shape-memory properties embodiment illustrated in fig. 1.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, for a preferred embodiment of the present utility model, a kind of shape-memory properties tester, it comprises cabinet 1, guide rod 2, for clamping the chuck 3 of test sample 200, control lever 4 for extension test sample 200, heating system 5, refrigeration system 6, for setting and control instrument 7 and the power supply 8 of displays temperature.Guide rod 2 is fixed in cabinet 1, which is provided with length scale; Chuck 3 is slidably disposed on guide rod 2, and the both sides that cabinet 1 is relative are all equipped with control lever 4, and one end of the control lever 4 on the relative both sides of cabinet 1 passes respectively the both sides of cabinet 1, and the other end can be fixedly connected with the two ends of test sample 200 respectively.
Particularly, cabinet 1 comprises test chamber setting up and down 11 and control cabinet 12, and chuck 3, guide rod 2 and control lever 4 are arranged in test chamber 11, and heating system 5, refrigeration system 6, control instrument 7 and power supply 8 are arranged to be controlled in cabinet 12.In test chamber 11, be provided with two guide rods that are parallel to each other 2, chuck 3 is fixed between two guide rods 2; Article two, on guide rod 2, compartment of terrain is provided with two chucks 3.
Further, above-mentioned chuck 3 is formed by exotic material manufacture, thereby can adapt to the hot environment in casing 1.On the side of test chamber 11, be provided with the blower fan 9 for exhaust, for discharging cold air or the hot gas in cabinet 1, heating system 5 comprises heating control instrument 51 and heating element 52, and this heating element 52 arranges 11 bottoms, build-in test chamber.Above-mentioned shape-memory properties tester also comprises the case lid 13 that is covered on casing 1 top, is embedded with the windowpane 131 for observing casing 1 inside on the zone line of case lid 13, thus the deformation quantity of the person's of being convenient to operation read test sample 200.
The process of test sample shape-memory properties of applying above-mentioned shape-memory properties tester is as follows: 1, installation testing sample 200, as rectangle batten, tighten and test sample 200 with resistant to elevated temperatures chuck 3, and the two ends of test sample 200 are fixedly connected with control lever 4 respectively.2, regulate control instrument 7, set temperature is 80 DEG C (press intensification or cooling button to design temperature, then press SET), temperature rises to after set temperature, in the outer pull joystick 4 of casing 1, make to test sample 200 and be stretched to certain deformation quantity along guide rod 2, as 100%.3, lock operation bar 4, turns down temperature, is cooled to low temperature, as 20 DEG C, and the about 30min of fixed deformation deformation.4, unclamp operation bar 4, regulates test sample 200, makes to test sample 200 and just stretches, and reads calibration summary test sample 200 length on guide rod 2, the deformation fixed rate that can go out to test according to Deformation calculation above sample 200, i.e. shape fixed rate.5, make control lever 4 ensure releasing orientation, regulate control instrument 7, be slowly warming up to high temperature, as 80 DEG C; According to the length of the calibration summary test sample 200 on guide rod 2, can observe the length of testing sample 200 at arbitrary temperature, thereby calculate its deformation quantity.6, last, can be mapped to temperature by deformation quantity, obtain deformation-recovery rate and the relation curve of temperature as shown in Figure 2, find out that deformation recovers or test sample 200 shrinks and the variation relation of temperature.The fastest recovery temperature that can calculate test sample 200 from variation relation figure replys the parameters such as the temperature of 50% deflection, initial recovery temperature (temperature while replying 10% deformation quantity), final recovery temperature (temperature of the deformation quantity of reply 90%) and deformation recovery speed.
The present embodiment can be controlled heating system 5 or refrigeration system 6 by control instrument 7, makes casing 1 internal temperature be fixed as a certain desired value, uses control lever 4 extension test samples 200, can make it that deformation occurs, and can read its deformation quantity by the scale on guide rod 2; Operator read the temperature in multiple moment and with this temperature under test sample 200 length, can draw the variation relation of test sample 200 deformation recoveries and temperature, thereby can calculate the parameters such as shape fixed rate, recovery of shape rate, recovery of shape temperature and recovery of shape speed, shape-memory properties tester of the present utility model is simple in structure, volume is little, and cost is low and method of testing is easy.
The tester of the present embodiment is except test function, also can be used for preparing polymer compound film material, concrete preparation process is as follows: 1, cut two polymeric membrane (not shown)s, and suitable adhesive is placed between two polymeric membranes, obtain polymer compound film sample (not shown).2, then with resistant to elevated temperatures chuck 3, polymer compound film sample is fixed.3, regulate control instrument 9, set temperature is 100 DEG C (by heating up, cooling button, to design temperature, is then pressed SET), and two polymeric membranes are shaped compound 30 minutes at this temperature.4, last, open case lid 13, or be cooled to room temperature environment, take out polymer compound film sample, be polymer compound film material, this compound film material preparation method for material, can ensure that polymer film does not shrink distortion in compound preparation process on the one hand, also can be compound not tight, in addition, above-mentioned testing tool can heat polymkeric substance, insulation, the processing such as cooling, and feature richness is easy to operate.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. a shape-memory properties tester, it is characterized in that, it comprises cabinet, guide rod, for clamping the chuck of test sample, control lever for extension test sample, heating system, refrigeration system, for setting and control instrument and the power supply of displays temperature; Described guide rod is fixed in described cabinet, which is provided with length scale; Described chuck is slidably disposed on described guide rod, the both sides that described cabinet is relative are all equipped with described control lever, one end of control lever on the relative both sides of described cabinet passes respectively the both sides of described cabinet, and the other end can be fixedly connected with the two ends of described test sample respectively.
2. shape-memory properties tester as claimed in claim 1, it is characterized in that, described cabinet comprises test chamber setting up and down and controls cabinet, described chuck, guide rod and control lever are arranged in described test chamber, and described heating system, refrigeration system, control instrument and power supply are arranged in described control cabinet.
3. shape-memory properties tester as claimed in claim 2, is characterized in that, is provided with two described guide rods that are parallel to each other in described test chamber, and described chuck is fixed between two described guide rods.
4. shape-memory properties tester as claimed in claim 3, is characterized in that, described two guide rods are provided with compartment of terrain and are provided with two described chucks.
5. shape-memory properties tester as claimed in claim 1, is characterized in that, described heating system comprises heating control instrument and heating element.
6. shape-memory properties tester as claimed in claim 2, is characterized in that, is provided with the blower fan for exhaust on the side of described test chamber.
7. shape-memory properties tester as claimed in claim 1, is characterized in that, described shape-memory properties tester also comprises the case lid that is covered on described casing top.
8. shape-memory properties tester as claimed in claim 7, is characterized in that, is embedded with the windowpane for observing described box house on the zone line of described case lid.
9. shape-memory properties tester as claimed in claim 1, is characterized in that, described chuck is formed by exotic material manufacture.
CN201420250682.7U 2014-05-15 2014-05-15 Shape memory performance tester Active CN203849088U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015172541A1 (en) * 2014-05-15 2015-11-19 深圳大学 Shape memory performance tester
CN105223225A (en) * 2015-10-08 2016-01-06 同济大学 A kind of test macromolecular material shape-memory properties device, method of testing and application thereof
CN105910904A (en) * 2016-05-26 2016-08-31 贵州省交通规划勘察设计研究院股份有限公司 Asphalt elasticity recovery rate measurement device and method
CN107024383A (en) * 2017-04-10 2017-08-08 青岛科技大学 A kind of thermoplastic sulfurized rubber compression stress relaxation can reverse recovery behavior characterizing method
CN107490515A (en) * 2017-10-12 2017-12-19 重庆建荣针纺织品有限公司 A kind of manufacture method of cloth tension structure
CN108088867A (en) * 2017-12-01 2018-05-29 广东工业大学 A kind of test device and method of surface micro-structure shape-memory properties

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04118542A (en) * 1990-09-10 1992-04-20 Keihin Hatsujo Kk Heat cycle fatigue test device for shape memory alloy and heat cycle fatigue test method
CN2192033Y (en) * 1994-02-18 1995-03-15 上海钢铁研究所 Device for measuring deformation generated by temp.
JP4390032B2 (en) * 2001-06-05 2009-12-24 株式会社島津製作所 Material testing machine
CN102331374A (en) * 2011-06-09 2012-01-25 振石集团东方特钢股份有限公司 Low-temperature tensile test device for metal material
CN102353583B (en) * 2011-07-14 2013-04-17 兰州大学 Temperature control system for superconducting material mechanical property test system
CN102507343B (en) * 2011-10-13 2014-03-26 重庆大学 Test piece for shape memory alloy pulling and twisting experiment, fixture and device therefor
CN203849088U (en) * 2014-05-15 2014-09-24 深圳大学 Shape memory performance tester

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015172541A1 (en) * 2014-05-15 2015-11-19 深圳大学 Shape memory performance tester
CN105223225A (en) * 2015-10-08 2016-01-06 同济大学 A kind of test macromolecular material shape-memory properties device, method of testing and application thereof
CN105910904A (en) * 2016-05-26 2016-08-31 贵州省交通规划勘察设计研究院股份有限公司 Asphalt elasticity recovery rate measurement device and method
CN105910904B (en) * 2016-05-26 2017-07-28 贵州省交通规划勘察设计研究院股份有限公司 A kind of asphalt elasticity recovery rate measurement apparatus and method
CN107024383A (en) * 2017-04-10 2017-08-08 青岛科技大学 A kind of thermoplastic sulfurized rubber compression stress relaxation can reverse recovery behavior characterizing method
CN107024383B (en) * 2017-04-10 2019-03-12 青岛科技大学 A kind of thermoplastic sulfurized rubber compression stress relaxation can reverse recovery behavior characterizing method
CN107490515A (en) * 2017-10-12 2017-12-19 重庆建荣针纺织品有限公司 A kind of manufacture method of cloth tension structure
CN108088867A (en) * 2017-12-01 2018-05-29 广东工业大学 A kind of test device and method of surface micro-structure shape-memory properties

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