CN104181191B - The test of expanded rubber bulk modulus and sample preparation device and method - Google Patents

The test of expanded rubber bulk modulus and sample preparation device and method Download PDF

Info

Publication number
CN104181191B
CN104181191B CN201410032281.9A CN201410032281A CN104181191B CN 104181191 B CN104181191 B CN 104181191B CN 201410032281 A CN201410032281 A CN 201410032281A CN 104181191 B CN104181191 B CN 104181191B
Authority
CN
China
Prior art keywords
expanded rubber
test
sample
bulk modulus
temperature
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.)
Active
Application number
CN201410032281.9A
Other languages
Chinese (zh)
Other versions
CN104181191A (en
Inventor
辛朝波
徐吉峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
Original Assignee
Commercial Aircraft Corp of China Ltd
Beijing Aeronautic Science and Technology Research Institute of COMAC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commercial Aircraft Corp of China Ltd, Beijing Aeronautic Science and Technology Research Institute of COMAC filed Critical Commercial Aircraft Corp of China Ltd
Priority to CN201410032281.9A priority Critical patent/CN104181191B/en
Publication of CN104181191A publication Critical patent/CN104181191A/en
Application granted granted Critical
Publication of CN104181191B publication Critical patent/CN104181191B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to engineer testing apparatus field, particularly relate to the test of expanded rubber bulk modulus and sample preparation device thereof and method.Its device includes metallic cavity;Pressure head, coordinates the preparation carrying out expanded rubber sample with metallic cavity;Temperature control system, controls heating coils heat metallic cavity in preparation, coefficient of cubical expansion test and the heat expansion pressure test of expanded rubber sample;Metallic gasket, is arranged at above expanded rubber sample in coefficient of cubical expansion test and heat expansion pressure test;Displacement measuring device, measures the change in displacement of metallic gasket at the coefficient of cubical expansion in testing;Load acquisition system, for measuring the bulbs of pressure change of expanded rubber sample in heat expansion pressure test.The present invention integrates the preparation of expanded rubber sample and bulk modulus is tested, it is ensured that bulk modulus quickly, test easily and accurately, provides safeguard for effectively controlling thermal expansion technique forming composite parts quality.

Description

The test of expanded rubber bulk modulus and sample preparation device and method
Technical field
The present invention relates to engineer testing apparatus field, particularly relate to expanded rubber bulk modulus test and Sample preparation device and the test of expanded rubber bulk modulus and preparation method of sample thereof.
Background technology
In order to meet the shaping of the complicated closure member such as composite cell type part, tubular member and multi-cavity structure Needing, thermal expansion moulding process becomes composite and manufactures one of important research contents in field.Thermal expansion becomes Type technique refers to that material prepreg laying is come real in the rigidity former of Guan Bi by the expanded by heating of core The now forming method to composite cure under pressure.This technique is generally with the bigger material of thermal coefficient of expansion as core Mould, rigid material is former, is placed between core and former by composite, after mould is heated, core Volumetric expansion, owing to the thermal coefficient of expansion of core material is far longer than the thermal coefficient of expansion of former material, therefore The volumetric expansion of core is limited by former, then produce pressure in die cavity, thus realize in technical process Composite is pressurizeed.In technical process, the bulbs of pressure that conservative control core produces after being heated are to control again The key of condensation material parts quality, and core material volume elastic modelling quantity is an important parameter.At present, work In industry, widely used core material is expanded rubber, therefore, and the accuracy of expanded rubber bulk modulus Become the important prerequisite controlling composite briquetting pressure.
Expanded rubber raw material manufacturer can provide corresponding parameter to instruct core to design effectively to control thermal expansion Technological forming pressure, but the actually used middle meeting of expanded rubber needs to add filler, the kind of filler according to technique Class and quantity are indefinite, and the parameter that producer provides just loses directive significance, and technique department can only pass through " trial-and-error method " Realize the control to heat expansion pressure after carrying out test of many times, cause a large amount of wastes of human and material resources, financial resources; Additionally, it is generally the case that in bulk modulus test process, sample preparation device and test device phase The most independent, the scale error that sample process causes will cause sample can not mate with test equipment, impact The accuracy of test result.
Summary of the invention
It is an object of the invention to provide a kind of preparation collecting expanded rubber sample and bulk modulus test is The expanded rubber bulk modulus test of one and sample preparation device and expanded rubber bulk modulus Test and preparation method of sample thereof.
For reaching this purpose, the present invention by the following technical solutions:
The invention provides the test of expanded rubber bulk modulus and sample preparation device thereof, including wire chamber Body, it includes that base and metal barrel, the periphery of described metal barrel are arranged with heating coil;
Pressure head, it coordinates the preparation carrying out expanded rubber sample with described metallic cavity;Described pressure head has can Stretching into the press section in described metal barrel, described pressure head is provided with and runs through described press section and lead to described pressure Flash mouth outside Tou;
Temperature control system, it is in preparation, coefficient of cubical expansion test and the heat expansion of described expanded rubber sample Pressure test sequence controls metallic cavity described in described heating coils heat;
Metallic gasket, it is tested and heat expansion pressure test at the coefficient of cubical expansion of described expanded rubber sample Journey is arranged at the top of described expanded rubber sample, described metallic gasket shape and size and described metal cylinder The inwall of wall is suitable;
Displacement measuring device, it is for surveying in the coefficient of cubical expansion test process of described expanded rubber sample Measure the change in displacement of described metallic gasket;
Load acquisition system, described for measuring in the heat expansion pressure test sequence of described expanded rubber sample The change of the bulbs of pressure that expanded rubber sample produces because of expanded by heating, it include load record system and with institute Stating two mechanical test compressing heads that load record system is all connected, described load record system is for record not The bulbs of pressure of synthermal lower described expanded rubber sample, one of them described mechanical test compressing head is arranged at The top of described metallic gasket, another described mechanical test compressing head is arranged at the lower section of described base.
As the preferred version of the present invention, described temperature control system includes for detecting described wire chamber body temperature First thermocouple of degree, described first thermocouple is arranged in the first putting hole on described metal barrel.
As the preferred version of the present invention, described pressure head is provided with the second putting hole installing the second thermocouple.
As the preferred version of the present invention, described base is connected with described metal barrel by fastening bolt.
As the preferred version of the present invention, institute's displacement measurement device is dial gauge.
A kind of for the expanded rubber bulk modulus test as described in any of the above-described preferred version and sample thereof The expanded rubber bulk modulus test of preparation facilities and preparation method of sample thereof, comprise the following steps:
S00: need according to technique, expanded rubber raw material is mixed according to a certain percentage, is placed in vacuum ring Border carries out de-bubble process, is then injected in described metallic cavity, starts described temperature control system and controls described Metallic cavity described in heating coils heat, to expanded rubber technological temperature, determines molding time, until described swollen Swollen rubbery sample is molded, and in forming process, utilizes described pressure head to ensure the raw material that specimen surface is smooth, unnecessary Flow out from described flash mouth, complete the preparation of described expanded rubber sample;
S01: described metallic gasket is placed on the top of described expanded rubber sample, starts described temperature and controls System controls described heating coil, sets multiple temperature platform respectively, observes and record under each temperature platform Institute's displacement measurement device tests the reading change of described metallic gasket displacement, calculates the coefficient of cubical expansion;
S02: described metallic gasket is placed into the top of described expanded rubber sample, by two described mechanics examinations Testing compressing head and clamp described base and described metallic gasket respectively, adjustment contact is preset value, and sets Described mechanical test compressing head is displacement constant-mode, starts described temperature control system and controls described heater wire Circle, sets multiple temperature platform respectively, observes and record described load record system under each temperature platform Reading changes, and calculates the bulbs of pressure change of described expanded rubber sample;
S03: obtain bulk modulus value according to bulk modulus computing formula.
As the preferred version of the present invention, described step S01 is implemented according to following steps:
S011: start described temperature control system and control described heating coils heat, make described metallic cavity Temperature raises (reduction), reaches temperature T;
S012: record institute displacement measurement device reaches the reading of stable state;
S013: be repeated in described step S011 and S012, until multiple temperature platform has all recorded.
As the preferred version of the present invention, described step S02 is implemented according to following steps:
S021: start described temperature control system and control described heating coil, make the temperature of described metallic cavity Raise (reduction), reach temperature T ';
S022: record described load record system and reach the reading of stable state;
S023: be repeated in described step S021 and S022, until multiple temperature platform has all recorded.
The invention have the benefit that
The invention provides the test of expanded rubber bulk modulus and sample preparation device thereof, be that collection expands rubber The preparation of glue sample and bulk modulus thereof are tested in one, effectively prevent owing to sample processing causes The scale error impact on test accuracy, farthest simulates expanded rubber true at thermal expansion technique Under the conditions of duty, it is ensured that bulk modulus quickly, test easily and accurately, for effectively controlling Thermal expansion technique forming composite parts quality provides safeguard.
Present invention also offers the test of expanded rubber bulk modulus and preparation method of sample, the method energy Enough effectively changing employing " trial-and-error method " determines the present situation of thermal expansion technique heat expansion pressure, and a large amount of saving is tested into This, it is ensured that is by the bulk modulus measured by the present invention to the Accurate Prediction of heat expansion pressure in actual process And effectively control, it is with a wide range of applications in Composite Thermal Expansion technology field.
Accompanying drawing explanation
Fig. 1 is that the expanded rubber bulk modulus that the embodiment of the present invention one provides is tested and sample preparation dress The structural representation of the metallic cavity put;
Fig. 2 is the device schematic diagram of the expanded rubber coefficient of cubical expansion test that the embodiment of the present invention one provides;
Fig. 3 is the device schematic diagram of the expanded rubber heat expansion pressure test that the embodiment of the present invention one provides;
Fig. 4 is that the expanded rubber bulk modulus that the embodiment of the present invention two provides is tested and sample preparation side The flow chart of method;
Fig. 5 is the flow chart of the expanded rubber coefficient of cubical expansion test that the embodiment of the present invention two provides;
Fig. 6 is the flow chart of the expanded rubber heat expansion pressure test that the embodiment of the present invention two provides.
Wherein:
1, metallic cavity;2, temperature control system;3, heating coil;4, dial gauge;5, metallic gasket; 6, the first thermocouple;7, load record system;8, mechanical test compressing head;10, expanded rubber;
11, base;12, metal barrel;13, fastening bolt;14, pressure head;
121, the first putting hole;141, flash mouth;142, the second putting hole.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
Embodiment one
As shown in Figure 1 to Figure 3, present embodiments provide the test of a kind of expanded rubber bulk modulus and Sample preparation device, it includes for placing the metallic cavity 1 of expanded rubber sample coupon, temperature control system 2, metallic gasket 5, pressure head 14, displacement measuring device and load acquisition system.
Wherein, metallic cavity 1 includes base 11 and metal barrel 12, and the periphery of metal barrel 12 is arranged with Heating coil 3, base 11 is connected with metal barrel 12 by fastening bolt 13.
Pressure head 14 coordinates the preparation carrying out expanded rubber sample 10 with metallic cavity 1, and pressure head 14 has can be stretched Entering the press section in metal barrel 12, pressure head 14 is provided with and runs through press section and lead to overflowing outside pressure head 14 Material mouth 141, pressure head 14 is provided with the second putting hole 142 installing the second thermocouple.
Temperature control system 2 is at preparation, coefficient of cubical expansion test and the heat expansion pressure of expanded rubber sample 10 Controlling heating coil 3 in test process and heat metallic cavity 1, it includes for detecting metallic cavity 1 temperature First thermocouple 6, in the first putting hole 121 that the first thermocouple 6 is arranged on metal barrel 12.
When temperature control system 2 control heating coil 3 heats metallic cavity 1, the first thermocouple 6 is control Warm galvanic couple, it is possible to control to adjust heating-up temperature and test and heat expansion pressure test temperature to the coefficient of cubical expansion, Realize the test of the bulk modulus of expanded rubber.Heat when temperature control system 2 controls heating coil 3 Metallic cavity 1, the second thermocouple is temperature thermocouple, it is possible to sensing detects expanded rubber sample forming temperature, It is easy to the shaping of Control Assay part.The use of metallic cavity 1 ensures sample coupon accuracy of gauge, thus ensures The reliability of test result.
Metallic gasket 5 is tested and in heat expansion pressure test sequence at the coefficient of cubical expansion of expanded rubber sample 10 It is arranged at the inwall of the top of expanded rubber sample 10, metallic gasket 5 shape and size and metal barrel 12 Suitable, metallic gasket 5 arrange can the upper surface flatness of effective Control Assay, to ensure sample chi The accuracy of very little test.
Displacement measuring device, it is for measuring in the coefficient of cubical expansion test process of expanded rubber sample 10 The change in displacement of metallic gasket 5.The present embodiment is preferably, and displacement measuring device is dial gauge 4, dial gauge 4 It is to utilize rack pinion or lever-gear transmission, the straight-line displacement of measuring staff is become the metering of the angular displacement of pointer Utensil, it is generally by gauge head, gauge rod, antirattle spring, tooth bar, gear, hairspring, round dial and pointer etc. Composition, has highly sensitive and measures accurate advantage, being effectively increased the expansion of detection expanded rubber sample The accuracy of change in displacement.
Load acquisition system, expands rubber for measuring in the heat expansion pressure test sequence of expanded rubber sample 10 The bulbs of pressure change that glue sample 10 produces because of expanded by heating, it includes load record system 7 and and load Two mechanical test compressing heads 8 that record system 7 is all connected, load record system 7 is used for recording different temperatures The bulbs of pressure of lower expanded rubber sample 10, one of them mechanical test compressing head 8 is arranged at metallic gasket 5 Top, another mechanical test compressing head 8 is arranged at the lower section of base 11, two mechanical test compressing heads 8 difference Holding seat 11 and metallic gaskets 5, and then the expanded rubber sample that clamping is placed in metallic cavity 1 10, conveniently and accurately test the bulbs of pressure of expanded rubber.
The expanded rubber bulk modulus test of the present embodiment and sample preparation device thereof, be collection expanded rubber The preparation of sample and bulk modulus thereof are tested in one, it is achieved that controlling in real time and accurate of important parameter Test, effectively prevent owing to sample processes the scale error the caused impact on test accuracy, maximum journey Spend simulation expanded rubber duty under thermal expansion technique full-scale condition, it is ensured that bulk modulus Quick, test easily and accurately, carry for effectively controlling thermal expansion technique forming composite parts quality For ensureing.
Embodiment two
As Figure 4-Figure 6, present embodiments provide a kind of for the expanded rubber body as described in embodiment one Prepared by long-pending elastic modelling quantity test and the expanded rubber bulk modulus test of sample preparation device and sample thereof thereof Method, the method comprises the following steps:
S00: need according to technique, expanded rubber raw material is mixed according to a certain percentage, is placed in vacuum ring Border carries out de-bubble process, is then injected in metallic cavity 1, and start-up temperature control system 2 controls heating coil 3 Heating metallic cavity 1 to expanded rubber technological temperature, determines molding time, until expanded rubber sample 10 becomes Type, in forming process, utilizes pressure head 14 to ensure that specimen surface is smooth, and unnecessary raw material flows from flash mouth 141 Go out, complete the preparation of expanded rubber sample 10.
Preferably, two-component silicone rubber Sample A ircast3600 is such as prepared.Component A and B component are pressed After certain proportion (such as: 10:1) mixes, place in vacuum environment and carry out de-soak process in 10 minutes. After de-soak terminates, raw material mixed liquor being slowly injected into metallic cavity 1, start-up temperature control system 2 controls heating Coil 3 heats metallic cavity 1 to expanded rubber technological temperature 60 DEG C, utilizes the second thermocouple to reach to expand rubber After adhesive process temperature, and stand shaping in 2 hours 60 DEG C of conditions.
S01: metallic gasket 5 is placed into the top of expanded rubber sample 10, start-up temperature control system 2 Control heating coil 3, set multiple temperature platform respectively, observe and record each temperature platform bottom offset and measure The reading change of device to test metallic gasket 5 displacement, obtains coefficient of cubical expansion αV, wherein, the present embodiment Displacement measuring device be preferably dial gauge 4.
Preferably, step S01 is implemented according to following steps:
S011: start-up temperature control system 2 controls heating coil 3 and heats, and makes the temperature liter of metallic cavity 1 High (reduction), reaches temperature T;
In this embodiment, for two-component silicone rubber Sample A ircast3600, it is 30mm by height, The silicon rubber cylinder of a diameter of 25mm is positioned in metallic cavity 1, temperature T of heating can be 60 DEG C, 90℃、120℃、150℃、180℃。
S012: record displacement measuring device reaches the reading of stable state;
In heating process, owing to the expanded rubber coefficient of heat conduction is relatively low, expanded rubber temperature slowly rises, The reading of dial gauge 4 is continually changing, when reading reaches stable state, the reading of record dial gauge 4.
S013: be repeated in step S011 and S012, until multiple temperature platform has all recorded.
Formula (1) is utilized to calculate its thermalexpansioncoefficientα.
α = ΔL L · 1 ΔT - - - ( 1 )
Wherein, the elemental height of L silicon rubber sample;
The height that after Δ L heating, silicon rubber sample expands;
Δ T and the temperature difference of room temperature.
By test, it can be deduced that the swell increment of Aircast3600 silicon rubber in Range of measuring temp along with The rising of temperature and linearly increasing.
Owing to Aircast3600 silicon rubber specimen cross sectional area is fixed, therefore, coefficient of cubical expansion αVMeter Calculation formula is:
α V = ΔV V · 1 ΔT - - - ( 2 )
Wherein, the initial volume of V silicon rubber sample;
The volume that after Δ V heating, silicon rubber sample expands;
Δ T and the temperature difference of room temperature.
Understanding according to formula (1) and formula (2), the thermalexpansioncoefficientα recorded is coefficient of cubical expansion αV
S02: metallic gasket 5 is placed into the top of expanded rubber sample 10, by two mechanics machine pressures 8 Holding seat 11 and metallic gaskets 5 respectively, adjustment contact is preset value, such as 10 newton, and sets Determining mechanical test compressing head 8 is displacement constant-mode, and start-up temperature control system 2 controls heating coil 3, point Do not set multiple temperature platform, observe and record the reading change of load record system 7 under each temperature platform, Obtain the bulbs of pressure changing value of expanded rubber sample 10Wherein, the multiple temperature in step S01 are put down Platform can be the most corresponding with the multiple temperature platforms in step S02, it is also possible to the most corresponding.
Preferably, step S02 is implemented according to following steps:
S021: start-up temperature control system 2 controls heating coil 3, makes the temperature of metallic cavity 1 raise (fall Low), reach temperature T ';
Temperature T ' in the present embodiment may be set in room temperature in the range of 180 DEG C.
S022: record load record system 7 reaches the reading of stable state;
In heating process, owing to the expanded rubber coefficient of heat conduction is relatively low, expanded rubber temperature slowly rises, The reading of load record system 7 is continually changing, and when reading reaches stable state, records load record system 7 Reading.
S023: be repeated in step S021 and S022, until multiple temperature platform has all recorded, by note The bulbs of pressure change of record and temperature change, obtain bulbs of pressure changing value
S03: obtain bulk modulus value K according to bulk modulus computing formulaVT
Bulk modulus value KVTComputing formula be:
K VT = ΔP ΔV / V - - - ( 3 )
Wherein, the initial volume of Δ V silicon rubber sample;
The pressure change amount of Δ P silicon rubber sample;
The volume change of Δ V silicon rubber sample.
Formula (2) is substituted in formula (3), bulk modulus value K can be obtainedVTComputing formula as follows:
K VT = 1 α V · ΔP ΔT - - - ( 4 )
Wherein, αVThe coefficient of cubical expansion of silicon rubber sample;
The pressure change amount of Δ P silicon rubber sample;
The temperature variation of silicon rubber sample corresponding with Δ P for Δ T.
In the range of room temperature to 180 DEG C, the heat expansion pressure of Aircast3600 silicon rubber sample is along with temperature liter High and linearly increasing, the change in displacement obtained according to thermal coefficient of expansion method of testing and heat expansion method for testing pressure The bulbs of pressure change obtained, final acquisition bulk modulus value KVT
By implementing said method, it is possible to effectively change " trial-and-error method " used and determine thermal expansion technique heat expansion The present situation of pressure, substantial saving in experimentation cost, it is ensured that by the bulk modulus pair measured by the present invention The Accurate Prediction of heat expansion pressure and effectively controlling in actual process, has in Composite Thermal Expansion technology field It is widely applied prospect.
The know-why of the present invention is described above in association with detailed description of the invention.These describe and are intended merely to explain The principle of the present invention, and limiting the scope of the invention can not be construed to by any way.Based on herein Explanation, those skilled in the art need not to pay performing creative labour can associate other of the present invention Detailed description of the invention, these modes fall within protection scope of the present invention.

Claims (8)

1. the test of expanded rubber bulk modulus and sample preparation device thereof, including temperature control system (2) And displacement measuring device, it is characterised in that
Including metallic cavity (1), it includes base (11) and metal barrel (12), described metal barrel (12) periphery is arranged with heating coil (3);
Pressure head (14), it coordinates the preparation carrying out expanded rubber sample (10) with described metallic cavity (1); Described pressure head (14) has the press section that can stretch in described metal barrel (12), described pressure head (14) It is provided with and runs through described press section and lead to the flash mouth (141) that described pressure head (14) is outside;
Described temperature control system (2) is at the preparation of described expanded rubber sample (10), the coefficient of cubical expansion Test and heat expansion pressure test sequence control described heating coil (3) and heats described metallic cavity (1);
Metallic gasket (5), it is tested and heat expansion at the coefficient of cubical expansion of described expanded rubber sample (10) Pressure test sequence is arranged at the top of described expanded rubber sample (10), described metallic gasket (5) Shape and size are suitable with the inwall of described metal barrel (12);
Institute's displacement measurement device was tested for the coefficient of cubical expansion described expanded rubber sample (10) Journey is measured the change in displacement of described metallic gasket (5);
Load acquisition system, for surveying in the heat expansion pressure test sequence of described expanded rubber sample (10) Measuring the bulbs of pressure change that described expanded rubber sample (10) produces because of expanded by heating, it includes that load is remembered Recording system (7) and two the mechanical test compressing heads (8) being all connected with described load record system (7), Described load record system (7) is used for recording the turgor pressure of described expanded rubber sample (10) under different temperatures Power, one of them described mechanical test compressing head (8) is arranged at the top of described metallic gasket (5), separately One described mechanical test compressing head (8) is arranged at the lower section of described base (11).
Expanded rubber bulk modulus the most according to claim 1 test and sample preparation dress thereof Put, it is characterised in that
Described temperature control system (2) includes the first thermoelectricity for detecting described metallic cavity (1) temperature Even (6), described first thermocouple (6) is arranged at the first putting hole (121) on described metal barrel (12) In.
Expanded rubber bulk modulus the most according to claim 1 test and sample preparation dress thereof Put, it is characterised in that
The second putting hole (142) installing the second thermocouple it is provided with on described pressure head (14).
Expanded rubber bulk modulus the most according to claim 1 test and sample preparation dress thereof Put, it is characterised in that
Described base (11) is connected with described metal barrel (12) by fastening bolt (13).
Expanded rubber bulk modulus the most according to claim 1 test and sample preparation dress thereof Put, it is characterised in that
Institute's displacement measurement device is dial gauge (4).
6. one kind for described in claim 1-5 any one expanded rubber bulk modulus test and The expanded rubber bulk modulus test of its sample preparation device and preparation method of sample thereof, its feature exists In,
Comprise the following steps:
S00: need according to technique, expanded rubber raw material is mixed according to a certain percentage, is placed in vacuum Environment carries out de-bubble process, is then injected in described metallic cavity (1), starts described temperature control system (2) Control described heating coil (3) and heat described metallic cavity (1) to expanded rubber technological temperature, determine into The type time, until described expanded rubber sample (10) shaping, in forming process, utilize described pressure head (14) Ensureing that specimen surface is smooth, unnecessary raw material flows out from described flash mouth (141), completes described expanded rubber The preparation of sample (10);
S01: described metallic gasket (5) is placed on the top of described expanded rubber sample (10), starts Described temperature control system (2) controls described heating coil (3), sets multiple temperature platform respectively, sees Examine and record the reading of institute's displacement measurement device test described metallic gasket (5) displacement under each temperature platform Change, calculates the coefficient of cubical expansion;
S02: described metallic gasket (5) is placed into the top of described expanded rubber sample (10), by two Individual described mechanical test compressing head (8) clamps described base (11) and described metallic gasket (5) respectively, Adjustment contact is preset value, and to set described mechanical test compressing head (8) be displacement constant-mode, opens Dynamic described temperature control system (2) controls described heating coil (3), sets multiple temperature platform respectively, Observe and record the reading change of described load record system (7) under each temperature platform, calculate described expansion The bulbs of pressure change of rubbery sample (10);
S03: obtain bulk modulus value according to bulk modulus computing formula.
Expanded rubber bulk modulus the most according to claim 6 test and sample preparation side thereof Method, it is characterised in that
Described step S01 is implemented according to following steps:
S011: start described temperature control system (2) and control the heating of described heating coil (3), make described The temperature of metallic cavity (1) raises (reduction), reaches temperature T;
S012: record institute displacement measurement device reaches the reading of stable state;
S013: be repeated in described step S011 and S012, until multiple temperature platform has all recorded.
Expanded rubber bulk modulus the most according to claim 6 test and sample preparation side thereof Method, it is characterised in that
Described step S02 is implemented according to following steps:
S021: start described temperature control system (2) and control described heating coil (3), make described metal The temperature of cavity (1) raises (reduction), reaches temperature T ';
S022: record described load record system (7) and reach the reading of stable state;
S023: be repeated in described step S021 and S022, until multiple temperature platform has all recorded.
CN201410032281.9A 2014-01-23 2014-01-23 The test of expanded rubber bulk modulus and sample preparation device and method Active CN104181191B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410032281.9A CN104181191B (en) 2014-01-23 2014-01-23 The test of expanded rubber bulk modulus and sample preparation device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410032281.9A CN104181191B (en) 2014-01-23 2014-01-23 The test of expanded rubber bulk modulus and sample preparation device and method

Publications (2)

Publication Number Publication Date
CN104181191A CN104181191A (en) 2014-12-03
CN104181191B true CN104181191B (en) 2016-08-17

Family

ID=51962414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410032281.9A Active CN104181191B (en) 2014-01-23 2014-01-23 The test of expanded rubber bulk modulus and sample preparation device and method

Country Status (1)

Country Link
CN (1) CN104181191B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104749210B (en) * 2015-04-17 2017-10-20 广西大学 A kind of method that utilization pressure testing machine measures rock hotline expansion coefficient
CN106018266B (en) * 2016-08-04 2019-02-05 山东科技大学 A kind of rock expansion experimental rig
CN106644771B (en) * 2017-01-17 2019-06-11 吉林大学 A kind of measuring device and measuring method of the rubber volume modulus based on fluid pressure
CN107478498A (en) * 2017-07-25 2017-12-15 山东迪赛机电有限公司 A kind of polyacrylamide sample preparation device and application method
CN109632505B (en) * 2018-12-25 2021-05-18 南通同诚建设工程质量检测有限公司 Indoor door and window detector capable of effectively improving measurement accuracy
CN111391355B (en) * 2020-03-17 2021-11-30 南京晨光集团有限责任公司 Silicone rubber core mold expansion pressure testing and controlling method
CN114441317A (en) * 2020-11-06 2022-05-06 中国石油化工股份有限公司 Shale hydration expansion stress testing device and method
CN113533045A (en) * 2021-07-09 2021-10-22 天津大学 Device and method for measuring volume modulus of soft material
CN114166885A (en) * 2021-12-02 2022-03-11 华东理工大学 Heating system for metal sheet bulging test
CN114486418B (en) * 2021-12-26 2023-11-10 重庆西重特种铝业有限公司 Device and method for preparing electrolyte standard sample on site

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU873083A1 (en) * 1980-02-11 1981-10-15 Ленинградский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета Volumetrical dilatometer
JPH04335146A (en) * 1991-05-10 1992-11-24 Furukawa Electric Co Ltd:The Method for detecting surface detect of water-stopping type rubber/plastic insulation power cable water-stopping layer
CN2399726Y (en) * 1999-10-28 2000-10-04 沈阳科精石油仪器设备有限公司 Oil well high temp and high pressure dynamic testing pot
WO2001009597A1 (en) * 1999-07-28 2001-02-08 Microcal, Llc Pressure perturbation calorimetry instruments and methods
CN101063603A (en) * 2006-04-24 2007-10-31 贝尔-热分析有限公司 Furnace for performing dilatometric assays
KR20110097283A (en) * 2010-02-25 2011-08-31 한국기계연구원 Method for measuring elastic modulus of thin film sample with dual section, method measuring for thermal expansion modulus of thin film sample with dual section, thin film sample for measuring elastic modulus and hermal expansion modulus and apparatus for measuring elastic modulus and thermal expansion modulus
CN202433325U (en) * 2011-12-16 2012-09-12 上海伊索热能技术有限公司 Thermal expansion analysis meter
CN202837213U (en) * 2012-08-28 2013-03-27 浙江工业大学 Novel nanometer thermo-sensitivity composite material thermal expansion property testing device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU873083A1 (en) * 1980-02-11 1981-10-15 Ленинградский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета Volumetrical dilatometer
JPH04335146A (en) * 1991-05-10 1992-11-24 Furukawa Electric Co Ltd:The Method for detecting surface detect of water-stopping type rubber/plastic insulation power cable water-stopping layer
WO2001009597A1 (en) * 1999-07-28 2001-02-08 Microcal, Llc Pressure perturbation calorimetry instruments and methods
CN2399726Y (en) * 1999-10-28 2000-10-04 沈阳科精石油仪器设备有限公司 Oil well high temp and high pressure dynamic testing pot
CN101063603A (en) * 2006-04-24 2007-10-31 贝尔-热分析有限公司 Furnace for performing dilatometric assays
KR20110097283A (en) * 2010-02-25 2011-08-31 한국기계연구원 Method for measuring elastic modulus of thin film sample with dual section, method measuring for thermal expansion modulus of thin film sample with dual section, thin film sample for measuring elastic modulus and hermal expansion modulus and apparatus for measuring elastic modulus and thermal expansion modulus
CN202433325U (en) * 2011-12-16 2012-09-12 上海伊索热能技术有限公司 Thermal expansion analysis meter
CN202837213U (en) * 2012-08-28 2013-03-27 浙江工业大学 Novel nanometer thermo-sensitivity composite material thermal expansion property testing device

Also Published As

Publication number Publication date
CN104181191A (en) 2014-12-03

Similar Documents

Publication Publication Date Title
CN104181191B (en) The test of expanded rubber bulk modulus and sample preparation device and method
CN104215521B (en) Re-power-environment coupled action test device and application under room temperature to superhigh temperature
CN105784523A (en) Device and method for testing real hardness value of material based on indentation test
CN104237066A (en) Method for measuring density of object
CN104483347B (en) A kind of material heat flow on-line monitoring method for variation of microwave heating and device
CN108267470A (en) The self-constriction test system and test method of cement-based material under a kind of temperature match curing conditions
CN103499601B (en) A kind of method and apparatus testing textile dynamic thermal transmission characteristic
CN107121538A (en) The test device of the anti-fold characteristic of shape memory textile
CN106093115A (en) A kind of rubber heat conductivity accuracy tester
CN207636528U (en) Linear expansion coefficient detection device
CN104332199B (en) A kind of temperature compensation detected for reactor control bar position
CN202393517U (en) Novel temperature meter
Hahn et al. Evaluation of simulation models for the estimation of deformation of adhesively bonded steel sheets during curing
CN209102218U (en) A kind of battery temperature gradient measuring device
CN106970206A (en) The method of testing of the anti-fold characteristic of shape memory textile
CN101788281B (en) Measuring method of amorphous alloy free volume
CN100498312C (en) In site precision measuring method for material temperature and application in researching of material deformation
CN103364430B (en) Phase transition temperature tester and method of work thereof
CN204575184U (en) A kind of on-line synchronous detection material heating quality and inner multi-point temp device
JP4539917B2 (en) Hot blow moldability evaluation apparatus and evaluation method
CN109425633A (en) A kind of heat shrinkage film shrinking percentage test method and test device
CN106353360A (en) Testing device for thermal expansion coefficient of irregular-shaped material at low temperature
CN106525564A (en) Heat shock-mechanical coupling loading and testing system
CN104849175A (en) Method for measuring densities of cotton substances by adopting Young's modulus tensile tester
CN205670056U (en) Reactor reaction temperature test device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant