CN106979895A - A kind of method of thin metallic tubd transient prediction high temperature explosion bulge test - Google Patents
A kind of method of thin metallic tubd transient prediction high temperature explosion bulge test Download PDFInfo
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- CN106979895A CN106979895A CN201710235505.XA CN201710235505A CN106979895A CN 106979895 A CN106979895 A CN 106979895A CN 201710235505 A CN201710235505 A CN 201710235505A CN 106979895 A CN106979895 A CN 106979895A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
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Abstract
The invention belongs to material properties test technical field, it is related to a kind of method of thin metallic tubd transient prediction high temperature explosion bulge test.Described method comprises the following steps：(1) other end that one end is closed into the thin metallic tubd for measuring size is connected to pressurized gas source outlet, is filled with the gas of certain pressure；(2) the heat temperature raising control program to quick heating power supply is set；(3) after on-test, quick heating power supply is heated by the heat temperature raising control program of setting to thin metallic tubd, terminate experiment when thin metallic tubd reaches the binding site explosion of some temperature and pressure, the temperature measured and pressure data are immediately passed to observing and controlling acquisition software；(4) analysis collection and measurement data, obtain the high temperature bursting property data of thin metallic tubd.Using method of the invention, it is possible to realizing high test temperature during transient prediction high temperature explosion bulge test, the heating rate of quick and controllable precise, contactless temperature accurately measurement and easy operation.
Description
Technical field
The invention belongs to material properties test technical field, it is related to a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Method.
Background technology
Used in high temperature, high internal pressure bar in many industries such as nuclear power, space flight, chemical industry, many key equipment parts
The thin metallic tubd of part, such as various cladding tubes including Stainless Steel Cladding, zirconium-base alloy cladding tubes.
Zirconium-base alloy cladding tubes are because its neutron absorption cross-section is small, high heat conductance, high ductility and excellent Flouride-resistani acid phesphatase swelling
And mechanical behavior under high temperature, and the preferred cladding material as nuclear power station；And fuel associated assembly involucrum in part in nuclear power station
Pipe and extraordinary target piece cladding tubes then select Stainless Steel Cladding.Can pipe and fuel associated assembly in early stage nuclear power station
Zr-4 alloy claddings pipe and SUS304 Stainless Steel Claddings is respectively adopted in cladding tubes.In the late two decades, in the world, the U.S., France,
The nuclear power developed countries such as Russia, Japan, South Korea are directed to nuclear power plant's high burnup fuel element, have developed new advanced cladding tubes,
Such as：U.S. Zirlo, France M5, Japan NDA, South Korea HANA, Russia E110.Combustion of the China also for Power Station With The Pressurized Water Reactor
Expect element, carry out the high performance fuel cladding pipe with independent intellectual property right (such as：N18/NZ2, N36 etc.) research and development.
The structural intergrity of thin metallic tubd directly affects equipment, the operation safety of system, and be likely to result in environment and
The harm of operations staff.Especially in pressurized-water reactor nuclear power plant, zirconium base cladding tubes and Stainless Steel Cladding are nuclear power station radioactive materials
First of barrier that matter contains, and it is chronically at very harsh radiation environment (high dose neutron irradiation, high temperature, high pressure, corruption
Lose, vibrate, wash away) under, the serious problems such as leakage or breakage may occur for cladding tubes, influence the operation safety of reactor.Therefore,
Thin metallic tubd within the design phase in longevity there is enough intensity to ensure its structural intergrity, will directly influence HTHP system
Security, reliability and the economy of equipment, can reduce the harm to environment and operations staff.
High temperature resistant is carried out to thin metallic tubd, the high temperature explosion bulge test of high pressure aptitude tests is divided into isothermal high-temperature explosion bulge test
With transient prediction high temperature explosion bulge test, they are filled with high-pressure medium into thin metallic tubd by high-pressure system, make thin-walled gold
The simulated test for belonging to pipe generation explosion is (quick-fried to obtain high temperature bursting property of the thin metallic tubd under operating condition and accident conditions
Broken temperature, burst pressure, circumference stress/burst strength, circumferentially extending rate etc.).Except that, isothermal high-temperature explosion bulge test is same
Tension test is similar, and the experiment under temperature spot is only fixed；And transient prediction high temperature explosion bulge test is due in process of the test
Temperature and pressure is all change, cannot get the experimental data under some fixed temperature point, can only obtain in some temperature range
The experimental data of multiple different temperature points.
The zirconium base cladding tubes of fuel assembly and the Stainless Steel Cladding of fuel associated assembly can in R＆D process
Substantial amounts of performance test research is carried out under simulation accidental conditions and under accident conditions, and is carried out in simulation LOCA accident bar
Performance test research is the important content of various countries' research under part.The U.S. (Zirlo), French (M5), Japanese (NDA), South Korea
Etc. (HANA) state has carried out the high temperature bursting property examination of the substantial amounts of can material under the conditions of simulation LOCA accident
Test, brittle caused by involucrum oxidation kinetics and high-temperature oxydation and flooding inundation simulation is tested again, Countries have studied fuel element
The axial direction repositioning of bulging and explosion post fuel is to the change of fuel assembly coolant flow passages and the influence of heat transfer property, and Gao Ran
Consume behavior of the fuel element under the conditions of LOCA.And it is very to simulate the transient prediction high temperature explosion bulge test under LOCA accident operating mode
One of important experiment, by testing the cladding tubes high temperature bursting property data obtained under simulation LOCA accident operating mode, for bag
Package is researched and developed and safety assessment provides authentic experiments data.China, which has also carried out the high-performance with independent intellectual property right, fires
Expect the research and development of cladding pipe (N18/NZ2, N36 etc.), but the performance test research being concentrated mainly under accidental conditions, also
The system research of the transient prediction high temperature bursting property under simulation LOCA accident operating mode is not carried out.China is only directed to the Qin in early stage
The can pipe of the phase of mountain nuclear power station one has carried out high temperature explosion of the analog fuel element under simulation LOCA accident operating mode
And Primary Study is flooded again.
Therefore, the transient prediction high temperature explosion bulge test method of thin-wall metal cladding tubes how is set up, transient prediction is solved high
Heating rate during warm explosion bulge test is controllable, quickly heat accurate measurement and control problem, realize more realistically simulate it is different
Transient prediction high temperature explosion bulge test under accident conditions, obtains accurate test data, research and development to high performance fuel element and
Safety evaluation has important engineering significance and learning value.
The nuclear power developed country such as U.S., Japan and Korea S. is when carrying out cladding tubes transient prediction high temperature explosion bulge test, due to not having in the world
There is the testing standard of issue, therefore, each country is tested according to oneself idea and equipment purchase ability：Experiment is situated between
In terms of matter, he employs high-pressure inert gas without using high temperature high pressure oil, because high-pressure inert gas supercharging is set
Standby buying is easily, cost is low, the temperature limiting that is not put to the test, experiment post processing are simple；In terms of heating and thermometric mode, the U.S. is main
Using sensing heating and thermocouple temperature measurement, Japan uses infrared heating and thermocouple temperature measurement, and South Korea uses DC heating and high temperature
Measurement temperature.
The fuel element transient high temperature explosion bulge test that China carries out early stage is using heating and thermocouple temperature measurement in resistance, experiment
Medium is helium；Less than 400 DEG C of the isothermal high-temperature explosion bulge test carried out uses resistance stove heat and thermocouple temperature measurement, and experiment is situated between
Matter includes two kinds of high-pressure inert gas and high temperature oil.High temperature explosion bulge test test section temperature and heating rate, heating rate control
Accuracy and stability, involucrum tube outer surface spot welded hot galvanic couple complex operation and the factors such as burst strength may be influenceed, may
Accuracy and reliability to result of the test are impacted.
The method of above-mentioned domestic and international carry out high temperature explosion bulge test is referred to experimental rig in the literature, is not provided in detail
Test method flow and parameter.
The content of the invention
It is an object of the invention to provide a kind of method of thin metallic tubd transient prediction high temperature explosion bulge test, that can realize
High test temperature, the heating rate of quick and controllable precise during transient prediction high temperature explosion bulge test, contactless temperature essence
Really measurement and easy operation, and the transient prediction high temperature explosion bulge test more realistically simulated under different accident conditionses can be realized, from
And obtain accurate test data.
In order to achieve this, in the embodiment on basis, the present invention provides a kind of thin metallic tubd transient prediction high temperature
The method of explosion bulge test, described method comprises the following steps：
(1) measurement for closing one end the thin metallic tubd of size the other end be connected to pressurized gas source outlet,
And certain pressure (1.0MPa-50.0MPa) gases at high pressure are filled with into thin metallic tubd；
(2) according to test temperature and heating rate requirement, the heat temperature raising control program to quick heating power supply is set
It is fixed, the feedback signal of the temperature for the thin metallic tubd heating zone that described quick heating power supply can be determined according to temperature measuring equipment and plus
Hot temperature raising control routine realizes the quick heating and accurate heating computer heating control to thin metallic tubd；
(3) after on-test, quick heating power supply is added by the heat temperature raising control program of setting to thin metallic tubd
Heat, terminate when thin metallic tubd reaches the binding site explosion of some temperature and pressure experiment, during pass through temperature measuring equipment
The temperature of thin metallic tubd heating zone is determined, the pressure in thin metallic tubd is determined by pressure instrumentataion, and by the temperature measured
Observing and controlling acquisition software is immediately passed to pressure data；
(4) by analyzing data and the dimension measurement data of thin metallic tubd before and after experiment that observing and controlling acquisition software is gathered,
Obtain the high temperature bursting property data of thin metallic tubd.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Gases at high pressure described in method, wherein step (1) are helium, argon gas or nitrogen.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Method, wherein the effective length of described thin metallic tubd is more than 10 times of its diameter.It can so ensure that measurement data is accurate
Reliably.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
The filling multistage pottery also in described thin metallic tubd is being filled with before the inert gas of certain pressure in method, wherein step (1)
Porcelain core axle.
The material of described ceramic mandrel is ceramics insulator, is shaped as cylinder.The external diameter of ceramic mandrel is than thin-walled gold
Belong to the small 0.4mm-0.6mm of internal diameter of pipe.The length of ceramic mandrel is 10cm-20cm, and according to the effective length of thin metallic tubd
To determine.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Heating rate described in method, wherein step (2) is 0.1 DEG C/s-50 DEG C/s.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Quick heating power supply described in method, wherein step (2) and step (3) is induction heating power or infrared heating power supply.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Temperature measuring equipment described in method, wherein step (2) and step (3) for high accuracy (temperature measurement accuracy≤0.5% full scale) at a high speed
(sample frequency >=30Hz) temperature measuring equipment.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Temperature measuring equipment described in method, wherein step (2) and step (3) is contactless infrared measurement of temperature equipment.
In a kind of more preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion examination
The method tested, wherein sample frequency >=30Hz during described infrared measurement of temperature equipment thermometric, the full scale of temperature measurement accuracy≤0.5%.
In a kind of more preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion examination
The method tested, wherein described infrared measurement of temperature equipment collection thin metallic tubd heating zone hot face temperature.
In a preferred embodiment, the present invention provides a kind of thin metallic tubd transient prediction high temperature explosion bulge test
Observing and controlling acquisition software described in method, wherein step (3) and step (4) is arranged on the TT＆C system phase with high temperature explosion bulge test
On the computer of connection.
The beneficial effects of the present invention are utilize the side of the thin metallic tubd transient prediction high temperature explosion bulge test of the present invention
Method, high test temperature, the heating rate of quick and controllable precise when can realize transient prediction high temperature explosion bulge test, noncontact
The temperature of formula accurately measurement and easy operation, and can realize that the transient prediction high temperature more realistically simulated under different accident conditionses is quick-fried
Broken experiment, so as to obtain accurate test data.
In addition, a series of phase of thin metallic tubd sample in some temperature range of the invention by carrying out different preacceleration inflations
With the transient prediction high temperature explosion bulge test under heating ramp rate, a series of transient prediction for obtaining thin metallic tubd samples is high
Warm bursting property (explosion temperature, burst pressure, circumference stress/burst strength, circumferentially extending rate etc.) data, are intended by data
Close, establish transient prediction high temperature bursting property curve (burst pressure-temperature of the thin metallic tubd sample in some temperature range
Write music line, circumference stress/burst strength-temperature curve, circumferentially extending rate-temperature curve).Can be to experiment using the matched curve
The high temperature bursting property result for the temperature spot that some temperature spot of temperature range or test temperature interval are closed on is predicted.
When contrast resistance stove heat and thermocouple temperature measurement method are tested, heating rate is low, thermocouple temperature measurement is responded
Between longer, sample surfaces spot welding thermocouple may influence the shortcoming of result of the test, the effect that the present invention is brought is：Utilize this hair
Bright set up test method, test temperature is high, quick controllable, the contactless temperature of heating rate accurately measures, tests behaviour
Make simple, can be achieved accurately to control the thin metallic tubd transient prediction high temperature explosion bulge test of different heating rates, obtain accurate
High temperature bursting property data；Meanwhile, this experimental method can more realistically simulate the simplation verification under the different emergency conditions of presurized water reactor
Experiment.
Brief description of the drawings
Fig. 1 is the operating process of the method for exemplary thin metallic tubd transient prediction high temperature explosion bulge test of the invention
Figure.
Fig. 2 is quick heating electricity in the method for exemplary thin metallic tubd transient prediction high temperature explosion bulge test of the invention
The heating in source sets curve, and wherein heating rate is 5 DEG C/s.
Fig. 3 is quick heating electricity in the method for exemplary thin metallic tubd transient prediction high temperature explosion bulge test of the invention
The heating in source sets curve, and wherein heating rate is 1 DEG C/s.
Fig. 4 is quick heating electricity in the method for exemplary thin metallic tubd transient prediction high temperature explosion bulge test of the invention
The heating in source sets curve, and wherein heating rate is first 0.5 DEG C/s, rear 5 DEG C/s.
Embodiment
The embodiment of the present invention is further illustrated with accompanying drawing with reference to embodiments.
Operating process such as Fig. 1 institutes of the method for exemplary thin metallic tubd transient prediction high temperature explosion bulge test of the invention
Show, comprise the following steps, and embodiment 1-3 experimental study is totally carried out by it.
First, by one end welded seal or the sealing of metal ferrule plug, the thin metallic tubd of the interior ceramic mandrel of filling multistage
Sample is fixedly installed on the test-bed introduced with high-pressure air source, and thin metallic tubd sample opening one end is connected into experiment
High-pressure air source outlet on stand, and it is filled with into thin metallic tubd gases at high pressure (such as helium, argon gas, the nitrogen of certain pressure
Gas), close high-pressure air source outlet valve.
Secondly, the contactless temperature on thin metallic tubd heating interval middle surface is carried out by the way of infrared measurement of temperature
The high speed of degree is accurately measured (sample frequency >=30Hz, the full scale of temperature measurement accuracy≤0.5%).
Again, using the quick heating power supply with temperature programming control and temperature feedback signal (such as：Powerful direct current
Heating power supply, induction heating power or infrared heating power supply), the temperature feedback signal of infrared measurement of temperature is accessed, according to thin-wall metal
The test temperature of pipe sample requires (≤1200 DEG C), and quick heating is set according to (0.1 DEG C/s-50 DEG C/s) certain of heating rate
The heat temperature raising control program of power supply.
Then, the temperature of the thin metallic tubd sample collected and pressure data are delivered to and are connected with experiment TT＆C system
In the observing and controlling acquisition software of the computer connect.
Finally, the on-test switch of quick heating power supply is opened, experiment is proceeded by, enters according to the heating rate of setting
Row heat temperature raising.Pressure in thin metallic tubd sample is raised also with the rise of temperature, until metal tube sample reaches certain
Explosion after the binding site of individual temperature and pressure.The test switch of quick closedown heating power supply, terminates experiment.Adopted by analyzing observing and controlling
Collect the data of software collection and the dimension measurement data of the front and rear thin metallic tubd of experiment, the transient state for obtaining thin metallic tubd sample adds
Hot high temperature bursting property data.
Embodiment 1：
The thin metallic tubd sample of experiment is 10 × 0.55mm cold working state stainless steel metal pipes.One end is used into metal card
The sealing of set plug, the stainless steel metal pipe sample of the interior ceramic mandrel of filling multistage are fixedly installed to and introduced with high pressure argon gas source of the gas
Test-bed on, thin metallic tubd sample opening one end is connected to the high pressure argon gas source outlet on test-bed, and to
4.2MPa high-purity argon gas is filled with thin metallic tubd sample.Close high pressure argon gas source outlet valve.According to pre-stage test knot
Really, it is contemplated that under the conditions of 1120 DEG C of 19MPa@explosion occurs for thin metallic tubd sample.
By in infrared measurement of temperature equipment (temperature measurement accuracy is 0.3% full scale) alignment stainless steel metal pipe sample heating interval
Between at portion faces, the temperature feedback signal of infrared measurement of temperature is accessed into quick heating power supply.In the temperature controller of quick heating power supply
On table, the heat temperature raising control program (5 DEG C/s of heating rate) of the quick heating power supply of heating curve setting as shown in Figure 2, so
After open TT＆C software, start the initial data of collecting temperature and pressure.
The on-test switch of quick heating power supply is opened, experiment is proceeded by, is risen according to the heating rate of setting
Temperature and pressure data in temperature, TT＆C software real time high-speed collection thin metallic tubd sample, until thin metallic tubd sample hair
Raw explosion, closes the test switch of quick heating power supply, terminates experiment.Remove thin metallic tubd sample, by test analysis with
Processing obtains the transient prediction high temperature bursting property data of thin metallic tubd sample.
Result of the test is shown：10 × 0.55mm stainless steel metal pipe samples are 20 DEG C, are initially filled with internal pressure in initial temperature
In the case of for 4.2MPa high-purity argon gas, according to 5 DEG C/s heating rate heat temperature raisings, sample is after 225s in 18.9MPa@
Occurs explosion under the conditions of 1130 DEG C.During temperature measurement accuracy be 4.5 DEG C, temperature-controlled precision be 5.0 ± 0.1 DEG C.
Embodiment 2：
The thin metallic tubd sample of experiment is 10 × 0.55mm cold working state stainless steel metal pipes, test method, operation stream
The setting of journey, quick heating power supply and infrared measurement of temperature equipment is with operating basic be the same as Example 1, simply when initial temperature is 20 DEG C
It is initial into stainless steel metal pipe to be filled with the high-purity argon gas that internal pressure is 12.5MPa；Heating curve as shown in Figure 3 sets quick add
The heat temperature raising control program (1 DEG C/s of heating rate) of thermoelectric generator.
Result of the test is shown：10 × 0.55mm stainless steel metal pipe samples are 20 DEG C, are initially filled with internal pressure in initial temperature
In the case of for 12.5MPa high-purity argon gas, according to 1 DEG C/s heating rate heat temperature raisings, sample after 825s
Occurs explosion under the conditions of 848 DEG C of [email protected] temperature measurement accuracy be 4.5 DEG C, temperature-controlled precision be 1.0 ± 0.1 DEG C.
Embodiment 3：
Simulate the cladding tubes transient prediction high temperature explosion examination under PWR nuclear power plant large-break LOCA (LOCA) operating mode
Test.The thin metallic tubd sample of experiment is 10 × 0.55mm annealed state stainless steel metal pipes, test method, operating process, quick
The setting of heating power supply and infrared measurement of temperature equipment is with operating basic be the same as Example 1, simply when initial temperature is 20 DEG C to stainless
It is initial in steel metal pipe to be filled with the high-purity argon gas that internal pressure is 7.0MPa；Heating curve as shown in Figure 4 sets quick heating power supply
Heat temperature raising control program (set initial heating rate to simulate PWR nuclear power plant startup stage for 0.5 DEG C/s first
Heating rate, is then incubated 300s simulation PWR nuclear power plant accidental conditions, and last heating rate is 5 DEG C/s to simulate pressure
Heating rate under water-water reactor nuclear power plant large-break LOCA operating mode).
Result of the test is shown：10 × 0.55mm stainless steel metal pipe samples are 20 DEG C, are initially filled with internal pressure in initial temperature
320 DEG C are heated to according to 0.5 DEG C/s heating rates for 7.0MPa high-purity argon gas, elder generation, is then incubated at 320 DEG C
300s, finally according to 5 DEG C/s heating rate heat temperature raisings in the case of, sample occurs quick-fried under the conditions of 1008 DEG C of 30.2MPa@
It is broken.During temperature measurement accuracy be 4.5 DEG C, temperature-controlled precision be 5.0 ± 0.1 DEG C.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations to the present invention belong to the model of the claims in the present invention and its equivalent technology
Within enclosing, then the present invention is also intended to comprising including these changes and modification.Above-described embodiment or embodiment are simply to the present invention
For example, the present invention can also be implemented with other ad hoc fashions or other particular form, without departing from the present invention's
Main idea or substantive characteristics.Therefore, it is regarded as from the point of view of the embodiment of description is in terms of any illustrative and non-limiting.This
The scope of invention should be illustrated that any change equivalent with the intention and scope of claim should also be included by appended claims
Within the scope of the invention.
Claims (10)
1. a kind of method of thin metallic tubd transient prediction high temperature explosion bulge test, it is characterised in that described method includes as follows
Step：
(1) measurement for closing one end the thin metallic tubd of size the other end be connected to pressurized gas source outlet, and to
The gases at high pressure of certain pressure are filled with thin metallic tubd；
(2) according to test temperature and heating rate requirement, the heat temperature raising control program to quick heating power supply is set, institute
The feedback signal of the temperature for the thin metallic tubd heating zone that the quick heating power supply stated can be determined according to temperature measuring equipment and heating rise
Warm control program realizes the quick heating and accurate heating computer heating control to thin metallic tubd：
(3) after on-test, quick heating power supply is heated by the heat temperature raising control program of setting to thin metallic tubd, directly
Terminate experiment during the binding site explosion that some temperature and pressure are reached to thin metallic tubd, during determine thin by temperature measuring equipment
The temperature of wall metallic pipe heating zone, the pressure in thin metallic tubd is determined by pressure instrumentataion, and by the temperature measured and pressure
Data are immediately passed to observing and controlling acquisition software；
(4) by analyzing data and the dimension measurement data of thin metallic tubd before and after experiment that observing and controlling acquisition software is gathered, obtain
The high temperature bursting property data of thin metallic tubd.
2. according to the method described in claim 1, it is characterised in that：Gases at high pressure described in step (1) are helium, argon gas or
Nitrogen.
3. according to the method described in claim 1, it is characterised in that：In step (1) before the inert gas of certain pressure is filled with
The ceramic mandrel of multistage is filled also in described thin metallic tubd.
4. according to the method described in claim 1, it is characterised in that：Heating rate described in step (2) is 0.1 DEG C/s-50
℃/s。
5. according to the method described in claim 1, it is characterised in that：Quick heating power supply described in step (2) and step (3)
For induction heating power or infrared heating power supply.
6. according to the method described in claim 1, it is characterised in that：Temperature measuring equipment described in step (2) and step (3) is height
Precision high speed temperature measuring equipment.
7. according to the method described in claim 1, it is characterised in that：Temperature measuring equipment described in step (2) and step (3) is non-
The infrared measurement of temperature equipment of contact.
8. method according to claim 7, it is characterised in that：Sample frequency during described infrared measurement of temperature equipment thermometric >=
30Hz, the full scale of temperature measurement accuracy≤0.5%.
9. method according to claim 7, it is characterised in that：Described infrared measurement of temperature equipment collection thin metallic tubd heating
Area's hot face temperature.
10. according to the method described in claim 1, it is characterised in that：Observing and controlling collection described in step (3) and step (4) is soft
Part is arranged on the computer being connected with the TT＆C system of high temperature explosion bulge test.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108051321A (en) * | 2017-12-20 | 2018-05-18 | 广东核电合营有限公司 | A kind of cladding tubes internal pressure explosion bulge test device and its test method |
| CN108693046A (en) * | 2018-05-02 | 2018-10-23 | 中广核研究院有限公司 | Device for quickly elevating temperature for metal tube explosion bulge test and the method that is rapidly heated |
| CN113405686A (en) * | 2021-05-19 | 2021-09-17 | 中国原子能科学研究院 | Temperature measuring method |
| CN115266794A (en) * | 2022-07-29 | 2022-11-01 | 中国核动力研究设计院 | UO after LOCA high-temperature irradiation2Pore evolution behavior acquisition method |
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| CN113405686B (en) * | 2021-05-19 | 2022-07-01 | 中国原子能科学研究院 | Temperature measuring method |
| CN115266794A (en) * | 2022-07-29 | 2022-11-01 | 中国核动力研究设计院 | UO after LOCA high-temperature irradiation2Pore evolution behavior acquisition method |
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