CN109253944A - A kind of superhigh temperature melt interface rheology and sandwich effect surface tension test device - Google Patents
A kind of superhigh temperature melt interface rheology and sandwich effect surface tension test device Download PDFInfo
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- CN109253944A CN109253944A CN201811228394.0A CN201811228394A CN109253944A CN 109253944 A CN109253944 A CN 109253944A CN 201811228394 A CN201811228394 A CN 201811228394A CN 109253944 A CN109253944 A CN 109253944A
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 230000000694 effects Effects 0.000 title claims abstract description 31
- 238000000518 rheometry Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000002347 injection Methods 0.000 claims abstract description 56
- 239000007924 injection Substances 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 13
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 26
- 239000000956 alloy Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- PRPINYUDVPFIRX-UHFFFAOYSA-N 1-naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000002977 hyperthermial effect Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of superhigh temperature melt interface rheology and sandwich effect surface tension test devices, belong to surface chemistry analysis and testing technology field.Including high temperature resistant casing, sealing flange, flange fixation clip, sealing clamp and at least one set of injection mechanism, the sealing flange center is equipped with observation glass, sealing flange is fixed with high temperature resistant casing one end, and the flange fixation clip is socketed on the high temperature resistant casing and fixes with sealing flange.By hanging drop high temp samples ware, stop dripping the sample hanging drop that is capable of forming under molten condition of high temp samples ware and sample stops dripping, and it can effectively realize that increase, reduction are formed by hanging drop and constraint stops the purpose of drop by piston top pillar, obtain multiple test results, to realize the purpose for testing superhigh temperature melt interface rheology and sandwich surface tension effect under superhigh temperature, vacuum condition, for aerospace, controls golden industry reliable material analysis tool is provided, measured value precision is high, easy to operate.
Description
Technical field
The present invention relates to a kind of superhigh temperature melt interface rheological measurement devices, while can be used for analyzing such as 2000 degree of superhigh temperature
Under the conditions of alloy melt surface tension sandwich effect, belong to surface chemistry analysis and testing technology field.
Background technique
It is usually to be filled by the rheometer test of torque measurement method under conditions of the interfacial rheological characteristic matter of superhigh temperature melt is current
It sets, needs when test for tested alloy material to be placed in ultra-high-temperature tube-type furnace, then carry out test rotor in the sample
The measurement of change in torque realization Melt rheological properties.But such measurement method can not be by the stream for being combined part of alloy material
Change nature can not be measured effectively, meanwhile, the accuracy of test is inadequate, is unable to satisfy the high performance tables of data of material science
Sign requires.
Our company (Solon (Shanghai) Information Technology Co., Ltd.) is in patent No. ZL201110244512.9 " drop image method circle
Surface current becomes test method and device " in disclose a kind of surface tension using image method principle test sample or interfacial tension
Method, and by analysis by the volume and surface tension of the drops of oscillating waveforms such as sine or the phase angular displacement of interfacial tension
Value, the method for characterizing the sample rheological equationm of state.The device that the patent proposes is only used for the test lower than 200 degree of samples, for super
Interfacial rheological characteristic matter and stalagmometry under hot conditions cannot achieve.
For surface tension measuring technology, there are platinum plate method (Wilhelmy Plate method), platinum around-France at present
(DuNouy Ring method), maximum bubble method, drop-volume method and sessile drop method, sessile drop method etc..Patent
ZL200410044059.7 discloses the rapid determination device of a kind of liquid metal and liquid alloy surface tension, uses gas
Bubble method detects pressure difference and temperature using sensor, calculates and obtain liquid metal and liquid alloy surface tension value；In patent
Structure is extremely complex, and operation is not easy, and measured value result is usually affected by calibration object.Patent TW289661 and patent
Method disclosed in CN201020580129.1 is all based on sessile drop method principle, and platinum-rhodium alloy or platinumiridio material is respectively adopted
Needle tube type bracket and annular stent are as hanging bracket；And a kind of patent ZL201510829913.9 " full ceramic surface
Power testing jig and test method " disclose a kind of hanging drop forming device of conical structure.Three patents as above are to formation
The structure of hanging drop has carried out simple innovation, but the volume of drop is unable to control during forming drop, can not be to hanging drop
It hangs and control effectively, thus cause measured value precision very low, be unable to satisfy the testing requirement of interface rheology.
" progress of Measuring Surface Tension of High Temperature Molten Liquid ", chemistry notification, 2004,67(11): 802-807) disclose
A kind of theoretic test method for testing smelt surface tension by sessile drop method, but in specific operating practice, due to stopping
What drop used is entire plate, and the own surface free energy of plate can significantly affect the shape of drop, thus, equally exist survey
It is worth the completely incredible major defect of result." high-temperature fusant volume mass and surface tension test new method " (Northeastern University is learned
Report (natural science edition), 1996,17(5): 503-507) disclose a kind of twin columns connection title method for test surfaces tension value, it is this
Method is a kind of variant of platinum plate method, and measured value process is affected by temperature and measured value result is caused deviation occur, and tests
In, the very difficult realization of the modifying factor of contact angle values and buoyancy, the practical significance of measured value is little.
Experimental result shows that mixture system such as ink, coating, pesticide etc. have the sandwich effect of surface tension,
I.e. there are apparent differences with air contact layer surface tension with the sum of solid contact layer.Similarly, alloy material melt is more
The mixture of kind material, there are obvious surface tension sandwich effects.Patent ZL201621251068.8 " utilizes surface tension
Detect the device of milk SDS " in, we disclose a kind of measurement dress of the surface tension sandwich effect under the conditions of ordinary temperature
It sets.By patent we have proposed liquid underlying surfaces tension is tested using sessile drop method, tested on liquid by constraint sessile drop method
The conception of layer surface tension, and complete final test purpose.But the structure of the device cannot achieve in ultra-high temperature condition
Under installation, either syringe needle, feed liquor control system realize target resistant to high temperature.
For this purpose, there is an urgent need to one kind can be realized under the conditions of the hyperthermic temperatures such as such as 1600 degree, 1800 degree, 2000 degree,
By test surfaces tension sandwich effect, the difference value of the upper and lower level of surface tension assesses layered effect, meanwhile, it surveys
The respective surface tension of the upper and lower layer under sandwich effect is tried with the variation of volume, and analyzes surface tension and volume change
The variation at phase angle and amplitude, analysis obtain the interface viscoelastic coefficient of melt.High-accuracy melt interface rheology in this way
And sandwich surface tension analytical equipment, meet Aeronautics and Astronautics, high-grade, precision and advanced metal, alloy material are ground in special material field
The demand of hair.
Summary of the invention
Technical problem to be solved by the present invention lies in: a kind of superhigh temperature melt interface rheology and sandwich effect table are provided
Face device for testing tensile force solves the control (feed liquor and imbibition) of drop amount under ultra-high temperature condition, forms hanging drop and constraint stops dripping
Droplet morphology, to realize the interfacial rheological characteristic matter that can test metal or alloy melt under ultra-high temperature condition and surface
The purpose of the testing requirement of power sandwich effect researches and develops new aviation and wide, specialty metal to solve current metallurgy industry
To the testing requirement of the physical property such as surface tension, interface rheology in material.
The technical problems to be solved by the invention take following technical scheme to realize:
A kind of superhigh temperature melt interface rheology and sandwich effect surface tension test device, including high temperature resistant casing, Sealing Method
Orchid, flange fixation clip, sealing clamp and at least one set of injection mechanism, the sealing flange center are equipped with observation glass, sealing
Flange is fixed with high temperature resistant casing one end, and the flange fixation clip is socketed on the high temperature resistant casing and and Sealing Method
Orchid is fixed；
For at least one set of injection mechanism in being disposed alternately on sealing flange up and down, the injection mechanism includes high temperature injection pump
With high temperature injection pipe, the high temperature injection pipe is fixed with sealing flange and it is horizontally extended into high temperature resistant casing, the high temperature note
Pump is penetrated to fix with high temperature injection pipe, high temperature injection pump piston top column diameter matched with high temperature injection bore and its protrude into it is supreme
In warm injection-tube, it is high that one end that the high temperature injection pipe of over-injected mechanism protrudes into high temperature resistant casing is fixed with the hanging drop communicated therewith
Warm planchet, one end that the high temperature injection pipe of lower section injection mechanism protrudes into high temperature resistant casing be fixed with communicate therewith stop drip high temperature
Planchet, the hanging drop high temp samples ware bottom opening and its top are equipped with sealing-plug, described to stop opening at the top of drop high temp samples ware
Hole and its bottom end are equipped with sealing-plug, and the sealing clamp is fixed with sealing flange.
The high temperature resistant casing of this test device is installed to superhigh temperature work in test by using above-mentioned technical proposal
It is put into sample to be tested in furnace and in high temp samples ware and forms it into molten condition, sample is in after molten condition from position of opening
Place emerges to form drop-wise formation hanging drop and stop dripping, and is observed that the drop profile formed under two states at glass from,
Control high temperature injection pump piston top pillar moves forward and backward, to change hanging drop, stop droplet size when drop, forms multiple profile diagrams
Piece enriches test result, and superhigh temperature melt interface rheology and sandwich table are tested under superhigh temperature, vacuum condition to realize
The purpose of face tension effect for aerospace, controls golden industry and provides reliable material analysis tool, and measured value precision is high, operation side
Just, there is very high promotional value.
As preferred embodiment, the syringe pump includes servo motor, drives screw rod, sliding panel, fixed frame and piston top pillar,
Guide rail is fixed and are equipped on fixed frame to the fixed frame and the injection-tube, and the servo motor is fixed on fixed frame and it
It is connect with driving screw rod, the sliding panel is slidably mounted on guide rail and it is fixed with the piston top pillar, driving screw rod driving
Sliding panel is slided along guide rail.
As preferred embodiment, O-ring seal is equipped between the flange fixation clip and the high temperature resistant casing, further
Improve leakproofness.
As preferred embodiment, it is equipped with sealing ring between the high temperature injection pipe and the sealing flange, further increases close
Feng Xing.
As preferred embodiment, it is equipped with seal washer between the observation glass end face and the sealing flange, observes glass
It is equipped with O-ring seal between side and sealing flange, further increases leakproofness.
As preferred embodiment, the high temperature injection inside pipe wall be equipped in seal groove and the seal groove be equipped with O sealing ring and/
Or high temperature injection end surfaces are equipped with screw thread and are pressed into be formed between piston top pillar by O-ring seal by pressure ring and seal, into one
Step improves leakproofness.
As preferred embodiment, the hanging drop high temp samples ware is flat mouth funnel-form planchet, described to stop dripping high temp samples ware
For bottomless cup planchet, thus the hanging drop of respectively molten drop or constraint stop that drop provides may.
As preferred embodiment, it is equipped on the hanging drop high temp samples ware, the position of opening for stopping drop high temp samples ware
Needle head structure, convenient for forming hanging drop and stopping dripping.
As preferred embodiment, the high temperature resistant casing, the hanging drop high temp samples ware, it is described stop drip high temp samples ware, institute
State injection-tube, the syringe pump piston top pillar material be one of corundum, graphite, tungsten, molybdenum, platinum-rhodium alloy, improve it
High temperature resistance.
As preferred embodiment, it is welded with cooling coil on the sealing flange, is cooled down for sealing flange.
The beneficial effects of the present invention are: by hanging drop high temp samples ware, stop drip high temp samples ware be capable of forming molten condition
Under sample hanging drop and sample stop dripping, and can effectively realize that increase, reduction are formed by hanging drop and about by piston top pillar
Beam stops the purpose of drop, obtains multiple test results, and superhigh temperature melt interface stream is tested under superhigh temperature, vacuum condition to realize
Become and the purpose of sandwich surface tension effect, for aerospace, controls golden industry reliable material analysis tool, measured value are provided
Precision is high, easy to operate, has very high promotional value.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of syringe pump of the present invention；
Fig. 3 is side view of the present invention.
In figure: high temperature resistant casing 1, sealing flange 2, flange fixation clip 3, sealing clamp 4 observe glass 5, high temperature injection
Pump 6, high temperature injection pipe 7, piston top pillar 8, hanging drop high temp samples ware 9 stop dripping high temp samples ware 10, sealing-plug 11, servo motor
12, drive screw rod 13, sliding panel 14, fixed frame 15, guide rail 16, O-ring seal 17, seal washer 18,19 structure of syringe needle, cooling
Coil pipe 20, hangs drop 21, and constraint stops drop 22.
Specific embodiment
In order to be easy to understand to technical means, creative features, achievable purpose and effectiveness of the invention, below with reference to tool
Body diagram, the present invention is further explained.
As shown in Figure 1, a kind of superhigh temperature melt interface rheology and sandwich effect surface tension test device, including resistance to height
Warm sleeve 1, sealing flange 2, flange fixation clip 3, sealing clamp 4 and at least one set of injection mechanism, 2 center of sealing flange
Equipped with observation glass 5, sealing flange 2 is fixed with described 1 one end of high temperature resistant casing, and the flange fixation clip 3 is socketed in described
It is on high temperature resistant casing 1 and fixed by screw and sealing flange 2；
For at least one set of injection mechanism in being disposed alternately on sealing flange 2 up and down, the injection mechanism includes high temperature injection
Pump 6 and high temperature injection pipe 7, the high temperature injection pipe 7 is fixed with sealing flange 2 and it is horizontally extended into high temperature resistant casing 1, described
High temperature injection pump 6 and high temperature injection pipe 7 are fixed, and 8 diameter of piston top pillar of high temperature injection pump 6 is matched with 7 internal diameter of high temperature injection pipe
And it is stretched in high temperature injection pipe 7, one end that the high temperature injection pipe 7 of over-injected mechanism protrudes into high temperature resistant casing 1 is fixed with
The hanging drop high temp samples ware 9 communicated therewith, one end that the high temperature injection pipe 7 of lower section injection mechanism protrudes into high temperature resistant casing 1 are fixed
There is what is communicated therewith to stop dripping high temp samples ware 10,9 bottom opening of hanging drop high temp samples ware and its top are equipped with sealing-plug 11,
It is described stop dripping 10 top drilling of high temp samples ware and its bottom end be equipped with sealing-plug 11, the sealing clamp 4 passes through screw and sealing
Flange 2 is fixed, and from outboard cover on sealing flange 2, middle part is equipped with a protrusion and is connected on observation glass 5 sealing clamp 4.
According to actual test needs, the staggered injection mechanism of multiple groups or more can be set, to obtain with a test process
Middle same sample or different samples carry out a variety of hanging drops, constraint stops dripping the data under 22 states.
Hanging drop high temp samples ware 9 stops dripping high temp samples ware 10 and connect and seal with high temperature injection pipe 7 by taper thread,
Sealing-plug 11 passes through taper thread and hanging drop high temp samples ware 9, stops dripping the sealing of high temp samples ware 10.
As shown in Fig. 2, the syringe pump includes servo motor 12, driving screw rod 13, sliding panel 14, fixed frame 15 and piston
Guide rail 16 is fixed and are equipped on fixed frame 15 to top pillar 8, the fixed frame 15 with the injection-tube, and the servo motor 12 is fixed
On fixed frame 15 and it connect with driving screw rod 13, the sliding panel 14 be slidably installed on track 16 and its by screw and
The piston top pillar 8 is fixed, and driving screw rod 13 drives sliding panel 14 to slide along guide rail 16, wherein the sliding of sliding panel 14 clamping or embedding
On track 16, sliding panel 14 is connect set by the sliding block being spirally connected with driving screw rod 13, or setting and driving on sliding panel 14
The screw thread that screw rod 13 cooperates, so that driving screw rod 13 drives sliding panel 14 to move forward or back when rotating.
8 excircle polishing of piston top pillar forms mirror surface and seals up its gap between high temperature injection pipe 7 using vacuum grease,
Ensure sealing performance.
O-ring seal 17 is equipped between the flange fixation clip 3 and the high temperature resistant casing 1.
O-ring seal 17 is equipped between the high temperature injection pipe 7 and the sealing flange 2.
Between 5 end face of observation glass and the sealing flange 2 be equipped with seal washer 18, observation 5 side of glass with it is close
It seals and is equipped with O-ring seal 17 between flange 2.
7 inner wall of high temperature injection pipe, which is equipped in seal groove and the seal groove, is equipped with O sealing ring and/or high temperature injection pipe
7 end faces are equipped with screw thread and are pressed into be formed between piston top pillar 8 by O-ring seal 17 by pressure ring and seal, it is signified herein and/
Or, referring to while using two kinds of sealing structures or only with one of sealing structure totally three kinds of situations.
As shown in figure 3, it is metal and alloy melt interface rheology and surface tension sandwich effect schematic diagram, hanging drop is high
Warm planchet 9 is flat mouth funnel-form planchet, stops dripping high temp samples ware 10 to be bottomless cup planchet, solution is in hanging drop high temperature sample
Suspension drop 21 is formed on 9 bottom of product ware, is stopping dripping high temp samples ware 10 and being formed to constrain to stop drop 22.
It is equipped with 19 structure of syringe needle on the hanging drop high temp samples ware 9, the position of opening for stopping drop high temp samples ware 10,
19 structure of syringe needle state in a vertical shape.
The high temperature resistant casing 1, the hanging drop high temp samples ware 9, it is described stop drip high temp samples ware 10, the injection-tube,
The material of the piston top pillar 8 of the syringe pump is one of corundum, graphite, tungsten, molybdenum, platinum-rhodium alloy.
Cooling coil 20 is welded on the sealing flange 2.
It is as follows in a manner of being embodied for the interface rheology and sandwich effect surface tension to test superhigh temperature melt:
In hanging drop high temp samples ware 9 and stops being put into sample powder in drop high temp samples ware 10 and tightens sealing-plug 11,
Unscrew sealing clamp 4, adjusts two injection mechanisms up and down, make two planchet states in a vertical shape, then tighten sealing clamp 4, then
Sealing flange 2 equipped with sample, adjustment good position is attached on high temperature resistant casing 1.
Tube furnace, which is controlled, by control system is heated up to target temperature.When reaching temperature, pass through control high temperature injection pump 6
Piston top pillar 8 stretching motion, 19 position of needle head structure formed suspension drop 21 and constraint stop drop 22.
Hanging drop is formed by by high-speed camera shooting or constraint stops the Liquid particle image of drop 22, and uses A Sha algorithm
(ADSA-RealDrop), corresponding surface tension and bulking value is calculated.Pass through the assessment hanging drop surface different from when stopping dripping
Tension value assesses the surface tension sandwich effect of tested alloy material.By the hanging drop for forming alloy material or stop dripping
After oozing segment body product, test forms the hanging drop stopped again and constraint stops the surface tension value of drop 22, assesses respective table again
Face tension value.If the hanging drop repeatedly tested and constraint, which stop the surface tension value error that drop 22 is formed, is less than 2mN/m, illustrate
The uniformity of alloy material is very good.It is greater than if repeatedly testing resulting surface tension value hanging drop and constraining the value for stopping dripping 22
5mN/m then illustrates material and uneven, and quality is simultaneously bad.If the hanging drop or constraint that repeatedly ooze stop drop, 22 measured value results go out
Show obvious deviation and be greater than 5mN/m, then illustrates material there are multiple stratification, the quality of material is worse.
Operation by controlling servo motor 12 meets sinusoidal or square wave or zigzag wave, so that increasing and decreasing liquid bulk
Product meets corresponding waveform, and test hanging drop and constraint stop the change curve of surface tension and volume when drop 22, and analysis phase angle is inclined
Difference and amplitude variations, and then analyze and obtain corresponding Interfacial elasticity coefficient.
The present invention by hanging drop high temp samples ware 9, stopping dripping high temp samples ware 10, to be capable of forming sample under molten condition outstanding
Drop and sample stop dripping, and can effectively realize that increase, reduction are formed by hanging drop and constraint stops drop 22 by piston top pillar 8
Purpose obtains multiple test results, and superhigh temperature melt interface rheology and three is tested under superhigh temperature, vacuum condition to realize
The purpose of Mingzhi's surface tension effect for aerospace, controls golden industry and provides reliable material analysis tool, and measured value precision is high,
It is easy to operate, there is very high promotional value.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, without departing from the spirit and scope of the present invention, this hair
Bright to will also have various changes and improvements, these changes and improvements are both fallen in the scope of protection of present invention.The present invention claims
Protection scope is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of superhigh temperature melt interface rheology and sandwich effect surface tension test device, it is characterised in that: including resistance to height
Warm sleeve, sealing flange, flange fixation clip, sealing clamp and at least one set of injection mechanism, the sealing flange center are equipped with
Glass is observed, sealing flange is fixed with high temperature resistant casing one end, and the flange fixation clip is socketed in the high temperature resistant set
It is fixed on pipe and with sealing flange；
For at least one set of injection mechanism in being disposed alternately on sealing flange up and down, the injection mechanism includes high temperature injection pump
With high temperature injection pipe, the high temperature injection pipe is fixed with sealing flange and it is horizontally extended into high temperature resistant casing, the high temperature note
Pump is penetrated to fix with high temperature injection pipe, high temperature injection pump piston top column diameter matched with high temperature injection bore and its protrude into it is supreme
In warm injection-tube, it is high that one end that the high temperature injection pipe of over-injected mechanism protrudes into high temperature resistant casing is fixed with the hanging drop communicated therewith
Warm planchet, one end that the high temperature injection pipe of lower section injection mechanism protrudes into high temperature resistant casing be fixed with communicate therewith stop drip high temperature
Planchet, the hanging drop high temp samples ware bottom opening and its top are equipped with sealing-plug, described to stop opening at the top of drop high temp samples ware
Hole and its bottom end are equipped with sealing-plug, and the sealing clamp is fixed with sealing flange.
2. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: the syringe pump includes servo motor, driving screw rod, sliding panel, fixed frame and piston top pillar, the fixed frame
Fix and be equipped on fixed frame guide rail with the injection-tube, the servo motor is fixed on fixed frame and itself and driving screw rod
Connection, the sliding panel is slidably mounted on guide rail and it is fixed with the piston top pillar, and driving screw rod driving sliding panel edge is led
Rail sliding.
3. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: being equipped with O-ring seal between the flange fixation clip and the high temperature resistant casing.
4. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: being equipped with sealing ring between the high temperature injection pipe and the sealing flange.
5. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: seal washer is equipped between the observation glass end face and the sealing flange, observation glass sides and sealing
O-ring seal is equipped between flange.
6. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: the high temperature injection inside pipe wall, which is equipped in seal groove and the seal groove, is equipped with O sealing ring and/or high temperature injection
End surfaces are equipped with screw thread and are pressed into be formed between piston top pillar by O-ring seal by pressure ring and seal.
7. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: the hanging drop high temp samples ware is flat mouth funnel-form planchet, it is described to stop dripping high temp samples ware to be bottomless cup
Planchet.
8. a kind of superhigh temperature melt interface rheology according to claim 1 or claim 7 and sandwich effect surface tension test dress
It sets, it is characterised in that: be equipped with syringe needle knot on the hanging drop high temp samples ware, the position of opening for stopping drop high temp samples ware
Structure.
9. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: the high temperature resistant casing, the hanging drop high temp samples ware, it is described stop drip high temp samples ware, the injection-tube, institute
The material for stating the piston top pillar of syringe pump is one of corundum, graphite, tungsten, molybdenum, platinum-rhodium alloy.
10. a kind of superhigh temperature melt interface rheology according to claim 1 and sandwich effect surface tension test device,
It is characterized by: being welded with cooling coil on the sealing flange.
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