CN106525602A - Stretchable dynamic sealing device for high-temperature and high-pressure environments - Google Patents
Stretchable dynamic sealing device for high-temperature and high-pressure environments Download PDFInfo
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- CN106525602A CN106525602A CN201611087696.1A CN201611087696A CN106525602A CN 106525602 A CN106525602 A CN 106525602A CN 201611087696 A CN201611087696 A CN 201611087696A CN 106525602 A CN106525602 A CN 106525602A
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- stretch
- high pressure
- sealing device
- axle sleeve
- cavity
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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
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0017—Tensile
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- 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
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
-
- 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
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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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)
- Immunology (AREA)
- Pathology (AREA)
- Sealing Devices (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a stretchable dynamic sealing device for high-temperature and high-pressure environments. The stretchable dynamic sealing device comprises a stretching rod and a sensor, wherein the sensor is connected with the stretching rod; a shaft sleeve is sleeved on the outer side of the stretching rod; a sealing device is arranged between the head end of the shaft sleeve and the stretching rod; the stretchable dynamic sealing device further comprises a force-counteracting device used for counteracting acting forces to the stretching rod, generated by the high-pressure environment. On the basis of the comprehensive consideration for the influences of high-temperature and high-pressure environments on the stretching device, the device is equipped with the force-counteracting device used for counteracting the acting forces to the stretching rod generated by different pressures; the device is used for performing tensile test on a sample in a kettle under the high-temperature and high-pressure environments and finishing the test for the stress damage sensitivity under the complex environment; a cooling system, in which a spiral radiating ring is combined with a coolant, is adopted by the device; the heat transfer area of the heat energy can be increased by the radiating ring; the coolant spirally flows by the radiating ring; the coolant path is free from dead angle; the contact area between the coolant and the radiating ring is large; the radiating efficiency is greatly increased, so that an O-shaped ring for sealing is protected.
Description
Technical field
The present invention relate to investigation material stretch under High Temperature High Pressure complex environment or slowly tensile property when, in High Temperature High Pressure
Under complex environment, a kind of dynamic sealing device of the stress rupture sensitivity that metal is combined with environment is tested, and in particular to Yi Zhongyong
In the stretchable dynamic sealing device of high temperature and high pressure environment.
Background technology
With the Service Environment of the industry devices such as the high speed development of China's energy industry, oil, chemical industry it is more and more harsher,
The equipment being on active service under complex corrosion environment is also increasingly common, and Performance of the equipment material under complex environment is especially weighed
Will.The test under high temperature and high pressure environment is carried out in test chamber, is carried out generally in high-temperature high-pressure reaction kettle, the sample in kettle is entered
Row stress rupture sensitivity testses, need to ensure its performance in the case where stretching device installs high temperature and high pressure environment additional when carrying out pulling action
Device.At present, there are the relevant device of maturation in foreign countries, expensive；Home products are remained in related defects, such as：Different pressures
The additional force produced to stretch, causes sensor to measure not accurate enough defect etc..Therefore it is badly in need of a kind of simple, efficient sealing
Device solves this problem.
The content of the invention
In order to solve problems of the prior art, the present invention provides a kind of stretchable dynamic for high temperature and high pressure environment
Sealing device.This device has considered the impact of high temperature, environment under high pressure to stretching device, is equipped with different pressures and stretch is produced
The power canceller of raw external force, for high temperature and high pressure environment under, tension test is carried out to the sample in kettle, is completed under complex environment
The test of stress rupture sensitivity.
The present invention is employed the following technical solutions：
It is a kind of to be used for the stretchable dynamic sealing device of high temperature and high pressure environment, including stretch and sensor, the sensor
Connection stretch, is arranged with axle sleeve, is provided with sealing device between the axle sleeve head end and stretch on the outside of stretch；The device
Also include for offsetting the power canceller of the active force that environment under high pressure is produced to stretch.
Preferably, the stretch is provided with the cavity a for connecting environment under high pressure with shaft room；The stretching rod area is full
Foot：Sp1=Sp2, in formula：Sp1For the active area of power of the environment under high pressure to stretch generation upwards, Sp2For the pressure at cavity a
The active area of downward power is produced to stretch.
Preferably, the lower pull bar that the stretch is included upper connecting rod and is fixedly connected with upper connecting rod；The upper connecting rod and axle
Inner room is provided with the cavity a of connection environment under high pressure, and the upper surface of the lower pull bar is the lower cavity wall of cavity a；The lower pull bar with
Shaft room is provided with the open to atmosphere cavity b of company；The sectional area of described upper connecting rod and lower pull bar meets：S3=S2-S1, in formula：S3
For the active area of power of the environment under high pressure to the generation of lower pull bar upwards, S2For the upper surface area of lower pull bar, S1For upper connecting rod with
The cross-sectional area of lower pull bar contact position.
It is further preferred that the cavity a is by the pore a that is arranged on upper connecting rod and the pore being arranged on lower pull bar
B connects environment under high pressure.
It is further preferred that described pore a, pore b include transverse air hole and vertical pore.
Preferably, the upper and lower both sides of the cavity b are provided with O-ring a, and described lower pull bar passes through O-ring a with shaft room
Sealing.
Preferably, described sealing device includes clamp nut, and the clamp nut is arranged on axle sleeve head end, the stretching
Bar is sealed by O-ring b between stretch and clamp nut through the through hole on clamp nut；Between axle sleeve and clamp nut
Sealed by sealing gasket.
Preferably, cooling system is provided with the axle sleeve.
It is further preferred that the cooling system includes coolant jacket and heat dissipating ring, offer on the axle sleeve and can lead to cold
But the cavity c of liquid, is provided with spiralling heat dissipating ring on the cavity c inwalls, and the upper and lower both sides of cavity c are provided with O-ring c, institute
State coolant jacket to be set on the outside of axle sleeve, coolant jacket is sealed by O-ring c with shaft room.
It is further preferred that the coolant inlet and cooling liquid outlet of connection cavity c is provided with the coolant jacket；It is described
Axle sleeve bottom is provided with annular boss, and the coolant jacket is fixed on annular boss.
Preferably, described axle sleeve is threadedly secured on high temperature and high pressure kettle lid, and described stretch is stretched through kettle cover
Enter inside reactor.
Preferably, between the upper connecting rod and lower pull bar, it is threaded connection between axle sleeve and clamp nut.
The beneficial effects of the present invention is：
1) cooling system that the present invention is combined with coolant using spiralling heat dissipating ring, heat dissipating ring can increase heat
Heat transfer area, coolant radiating interannular spiral upper upstream mistake, coolant path without dead angle, and with heat dissipating ring contact area
Greatly, radiating efficiency is substantially increased, so as to protect the O-ring for sealing.
2) impact that environment under high pressure is brought is mainly the external force that environment under high pressure is produced to stretch, causes force sensor measuring
It is not accurate enough.The present invention cleverly counteracts the power that pressure is produced to stretch in kettle by law of connected vessels, then when installing examination
After sample, test is not when also starting, it is to avoid be effectively applied in stretch always under high pressure, is put on sample indirectly, together
When be also applied on the force transducer on pull bar top, thoroughly prevent environment under high pressure to draw sample tension measurement and force transducer
The adverse effect of force data collection.Just because of the ingehious design in the present invention so that the sample in the kettle under environment under high pressure
When being pulled off, there will not be power and up apply always to affect the data acquisition of force transducer on a sensor.No matter pressure P is such as
What changes, and in kettle, pressure P cancels each other to the power that stretch is produced, the accurate test sample stress value of force transducer energy, reaches
Accurate measurement purpose.
3) present invention arranges O-ring between stretch and axle sleeve, clamp nut, and the O-ring can be spaced using multiple,
Ensure that the device can be used under ultra-high voltage environment.
4) the cavity b connection air in the present invention, when stretch is in drawing process, cavity b spaces change, but one
It is straight to keep at one atm, active force will not be produced to stretch additionally.
5) this device can be used to sample is loaded under certain stress by drive system, then stops loading, makes sample
Carry out the test under high temperature and high pressure environment always under certain stress, it can also be used to by dynamical system tensile sample always, until
Sample fracture, stress strain curve of the test sample under high temperature and high pressure environment or slow stress strain curve.The stretching travel of the device is big.
6) device not only can carry out tension test, it is also possible to be compressed test.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is stretch correspondence position cross-sectional area schematic diagram of the present invention.
Fig. 3 a are stretch of the present invention pressure schematic diagram everywhere.
Fig. 3 b are stretch stress diagram of the present invention.
Fig. 4 is using multiple O-rings and sealing gasket schematic diagram at each sealing of the present invention.
Reference：
Pull bar under 10- stretch 11- cavity a 12- cavity b 13- upper connecting rod 131- pore a 14-
141- pore b 142-O type circle a
20- sensors
30- axle sleeve 31- sealing gasket 32- cavity c 33- annular boss 34-O type circle c
40- clamp nut 41-O type circle b
50- heat dissipating rings
60- coolant jacket 61- coolant inlet 62- cooling liquid outlets
70- fixing nuts b
80- kettle covers.
Specific embodiment
Below in conjunction with drawings and Examples, the technical scheme in the present invention is clearly and completely described.Based on this
Embodiment in bright, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to the scope of protection of the invention.
It is by shown in Fig. 1,2, a kind of to be used for the stretchable dynamic sealing device of high temperature and high pressure environment, including stretch 10 and sensing
Device 20, the connection stretch 10 of the sensor 20, is arranged with axle sleeve 30,30 head end of the axle sleeve and stretch on the outside of stretch 10
Sealing device is provided between 10；The device also includes offsetting for the power for offsetting the active force that environment under high pressure produces stretch
Device.
The lower pull bar 14 that the stretch 10 is included upper connecting rod 13 and is fixedly connected with upper connecting rod 13；The upper connecting rod 13 with
The cavity a11 of connection environment under high pressure is provided between axle sleeve 30, the upper surface of the lower pull bar 14 is the lower cavity wall of cavity a11；Institute
State the open to atmosphere cavity b12 of the company of being provided between lower pull bar 14 and axle sleeve 30；The sectional area of described upper connecting rod 11 and lower pull bar 12
Meet：S3=S2-S1, in formula：S3The active area of power upwards, S are produced to lower pull bar 14 for environment under high pressure2For lower pull bar 14
Upper surface area, S1For the cross-sectional area with lower 14 contact position of pull bar of upper connecting rod 13；S2-S1Pressure pair at as cavity a11
Stretch 10 produces the active area of downward power.The cavity a11 is by being arranged on upper connecting rod 13 pore a131 and setting
The pore b141 connection environment under high pressures on lower pull bar 14 are put, a linker is formed, is made in cavity a11 and in environment under high pressure
Pressure P is equal.Described pore a131, pore b141 includes transverse air hole and vertical pore.The upper and lower both sides of the cavity b12
O-ring a142 is provided with, is sealed by O-ring a142 between described lower pull bar 14 and axle sleeve 30.30 head end of the axle sleeve sets
Clamp nut is equipped with, the stretch 10 passes through O through the through hole on clamp nut 40, between stretch 10 and clamp nut 40
Type circle b41 is sealed；Sealed by sealing gasket 31 between axle sleeve 30 and clamp nut 40.
Cooling system is provided with the axle sleeve 30.The cooling system includes coolant jacket 60 and heat dissipating ring 50, the axle
The cavity c32 that can lead to coolant is offered on set 30, on the cavity c32 inwalls, spiralling heat dissipating ring 50 is provided with,
The upper and lower both sides of cavity c32 are provided with O-ring c34, and the coolant jacket 60 is set on the outside of axle sleeve 30, between coolant jacket 60 and axle sleeve 30
Sealed by O-ring c (34).The coolant inlet 61 and cooling liquid outlet of connection cavity c32 are provided with the coolant jacket 60
62；30 bottom of the axle sleeve is provided with annular boss 33, and the coolant jacket 60 is placed on annular boss 33 and by fixing nut
B70 is fixed.
Described axle sleeve 30 is threadedly secured on High Temperature High Pressure kettle cover 80, and described stretch 10 is stretched through kettle cover 80
Enter inside reactor.
It is threaded connection between the upper connecting rod 13 and lower pull bar 14, between axle sleeve 30 and clamp nut 40.
Below with reference to Fig. 1-3b, the operation principle of the present invention is further described：
As shown in Fig. 1,2,3a, S1、S2、S3The respectively sectional area of 10 correspondence position of stretch.Pressure P in kettle is to drawing
Boom 10 produces power upwards：F1=P × S3, cavity a11 is connected with kettle by the pore in stretch 10, therefore cavity a11
The pressure at place is also P, and the pressure at this produces downward power to stretch 10 and is：F2=P × (S2-S1), stretch is made during design
Sectional area S at 10 31、S2、S3Meet S3=S2-S1, i.e. F1=F2.When pressure P changes, F can be also met1=F2, realize
Different pressures P produces power to stretch 10 and cancels each other.
The device in drawing process, the stress of stretch 10 as shown in Figure 3 b, FSStretch 10 is applied for actuating device
Plus power, FLFor the registration of sensor 20, FXFor active force of the stretch 10 to sample in kettle, f is the friction inside the device
Power.Not to, when 20 registration amendment of sensor, what sensor 20 was measured is the drawing that actuating device is applied in stretch 10
Power, i.e. FL=FS, but we need to measure the power that 10 times samples of stretch are subject to by sensor 20, that is, need to meet FL=FX。
According to the stressing conditions of stretch 10, learn that stretch 10 to the pulling force of sample is：
FX=FS-F2+F1- f=FS-P×(S2-S1)+P×S3-f；
Arrange：ΔFL=FX-FS=F1-F2- f=P × (S3-S2+S1)-f；
Δ F in formulaLFor the correction value of sensor 20, S during design, is met3=S2-S1, i.e. Δ FL=-f, the condition are full very well
Foot, only need to reset to sensor 20 after stretching starts, you can to realize 20 registration of sensor be stretch 10 to sample in kettle
Value of thrust, realizes accurate measurement and easy to operate.
As shown in figure 4, being provided with O between the stretch 10 and axle sleeve 30, between stretch 10 and clamp nut 40
Type circle, the O-ring can be spaced using multiple, and the multiple sealing rings of space set between the axle sleeve 30 and clamp nut 40
31, it is ensured that the device can be used under ultra-high voltage environment.
As shown in figure 1, the projection of annular on the bottom being inserted in 80 shrinkage pool of kettle cover of the axle sleeve 30, is provided with, this
The projection of annular is used to further enhance sealing.
Claims (10)
1. one kind is used for the stretchable dynamic sealing device of high temperature and high pressure environment, including stretch (10) and sensor (20), described
Sensor (20) connection stretch (10), it is characterised in that：Axle sleeve (30), the axle sleeve (30) are arranged with the outside of stretch (10)
Sealing device is provided between head end and stretch (10)；The device is also included for offsetting what environment under high pressure was produced to stretch
The power canceller of active force.
2. according to claim 1 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
State and between stretch (10) and axle sleeve (30), be provided with the cavity a (11) for connecting environment under high pressure；Stretch (10) sectional area is full
Foot：Sp1=Sp2, in formula：Sp1For the active area of power of the environment under high pressure to stretch (10) generation upwards, Sp2For cavity a (11)
The pressure at place produces the active area of downward power to stretch (10).
3. according to claim 1 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
State the lower pull bar (14) that stretch (10) is fixedly connected including upper connecting rod (13) and with upper connecting rod (13)；The upper connecting rod (13) with
The cavity a (11) of connection environment under high pressure is provided between axle sleeve (30), the upper surface of the lower pull bar (14) is under cavity a (11)
Cavity wall；The open to atmosphere cavity b (12) of the company of being provided between the lower pull bar (14) and axle sleeve (30)；Described upper connecting rod (11) and under
The sectional area of pull bar (12) meets：S3=S2-S1, in formula：S3For the effect of power of the environment under high pressure to lower pull bar (14) generation upwards
Area, S2For the upper surface area of lower pull bar (14), S1For the cross-sectional area with lower pull bar (14) contact position of upper connecting rod (13).
4. according to claim 3 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
Cavity a (11) is stated by the pore a (131) for being arranged on (13) on the upper connecting rod and pore b (141) being arranged on lower pull bar (14)
Connection environment under high pressure.
5. according to claim 4 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
Pore a (131), the pore b (141) for stating includes transverse air hole and vertical pore.
6. the one kind according to Claims 2 or 3 is used for the stretchable dynamic sealing device of high temperature and high pressure environment, and its feature exists
In：The cavity b (12) is provided with O-ring a (142) in both sides up and down, passes through O between described lower pull bar (14) and axle sleeve (30)
Type circle a (142) is sealed.
7. according to claim 1 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
The sealing device stated includes clamp nut (40), and the clamp nut (40) is arranged on axle sleeve (30) head end, the stretch
(10) through the through hole on clamp nut (40), sealed by O-ring b (41) between stretch (10) and clamp nut (40)；
Sealed by sealing gasket (31) between axle sleeve (30) and clamp nut (40).
8. according to claim 1 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
State cooling system is provided with axle sleeve (30).
9. according to claim 8 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：Institute
Stating cooling system includes coolant jacket (60) and heat dissipating ring (50), offers the cavity c that can lead to coolant on the axle sleeve (30)
(32) spiralling heat dissipating ring (50), is provided with cavity c (32) inwall, cavity c (32) is provided with O-ring in both sides up and down
C (34), the coolant jacket (60) are set on the outside of axle sleeve (30), pass through O-ring c (34) between coolant jacket (60) and axle sleeve (30)
Sealing.
10. according to claim 9 a kind of for the stretchable dynamic sealing device of high temperature and high pressure environment, it is characterised in that：
The coolant inlet (61) and cooling liquid outlet (62) of connection cavity c (32) are provided with the coolant jacket (60)；The axle sleeve
(30) bottom is provided with annular boss (33), and the coolant jacket (60) is fixed on annular boss (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087696.1A CN106525602B (en) | 2016-11-30 | 2016-11-30 | One kind being used for the stretchable dynamic sealing device of high temperature and high pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087696.1A CN106525602B (en) | 2016-11-30 | 2016-11-30 | One kind being used for the stretchable dynamic sealing device of high temperature and high pressure environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106525602A true CN106525602A (en) | 2017-03-22 |
| CN106525602B CN106525602B (en) | 2019-06-11 |
Family
ID=58354367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611087696.1A Active CN106525602B (en) | 2016-11-30 | 2016-11-30 | One kind being used for the stretchable dynamic sealing device of high temperature and high pressure environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106525602B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091778A (en) * | 2017-06-20 | 2017-08-25 | 中国科学院金属研究所 | A kind of irradiation of four axles slow strain rate tension promotes stress corrosion (cracking) test machine |
| CN107448607A (en) * | 2017-08-30 | 2017-12-08 | 武汉海王机电工程技术公司 | A kind of sealing structure of downhole tool experimental rig |
| CN107703014A (en) * | 2017-11-03 | 2018-02-16 | 岭东核电有限公司 | High temperature and high pressure environment impact wear testing machine |
| CN111060393A (en) * | 2019-04-03 | 2020-04-24 | 浙江工业大学 | Temperature-controllable high-pressure environment mechanical test box |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091778A (en) * | 2017-06-20 | 2017-08-25 | 中国科学院金属研究所 | A kind of irradiation of four axles slow strain rate tension promotes stress corrosion (cracking) test machine |
| CN107091778B (en) * | 2017-06-20 | 2023-05-12 | 中国科学院金属研究所 | Irradiation-promoted stress corrosion testing machine for four-axis slow strain rate stretching |
| CN107448607A (en) * | 2017-08-30 | 2017-12-08 | 武汉海王机电工程技术公司 | A kind of sealing structure of downhole tool experimental rig |
| CN107703014A (en) * | 2017-11-03 | 2018-02-16 | 岭东核电有限公司 | High temperature and high pressure environment impact wear testing machine |
| CN107703014B (en) * | 2017-11-03 | 2024-04-09 | 岭东核电有限公司 | Impact abrasion tester for high-temperature and high-pressure environment |
| CN111060393A (en) * | 2019-04-03 | 2020-04-24 | 浙江工业大学 | Temperature-controllable high-pressure environment mechanical test box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106525602B (en) | 2019-06-11 |
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