CN109668797A - A kind of reverse micro move fatigue experimental device and test method based on synchrotron radiation - Google Patents
A kind of reverse micro move fatigue experimental device and test method based on synchrotron radiation Download PDFInfo
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- CN109668797A CN109668797A CN201811607059.1A CN201811607059A CN109668797A CN 109668797 A CN109668797 A CN 109668797A CN 201811607059 A CN201811607059 A CN 201811607059A CN 109668797 A CN109668797 A CN 109668797A
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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
- G01N3/26—Investigating twisting or coiling properties
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
Abstract
A kind of reverse micro move fatigue experimental device and test method based on synchrotron radiation, device specifically include that the bottom plate of rack is fixed on revolving platform, and the torsion servo motor above bottom plate is connected with the bottom of lower clamping fixture seat；Lower clamping fixture seat is fixed on the upper plate of rack by bearing；And upper part is fixed with lower fixture；The inner ring of bearing is equipped with torque sensor；The top of fine motion load bar and free bearing are hinged, are connected by force snesor with loading head on the inside of upper end；Lower end is connected with the end of electric cylinder；The periphery of upper plate is connect with the periphery of lucite cylinder lower part, and the steel top cover of lucite cylinder connects upper fixture；Left side, the right side of rack are respectively equipped with the transmitter and receiver of synchrotron radiation light source.The device can observe, record, analyze the microstructures such as the macroscopical mechanical parameters such as the load for obtaining reverse microemulsion moving part, torque, angle and crackle variation, development law, so that the anti-torsion fatigue design for components provides more comprehensive, reliable foundation.
Description
Technical field
The present invention relates to a kind of reverse micro move fatigue experimental device based on synchrotron radiation.
Background technique
Fretting fatigue refers to that the contact surface of " fastening " cooperation causes contact interface to be sent out due to bearing extraneous reversed fatigue stress
The relative motion of raw micron dimension makes fatigue crack accelerate germinating and extension, the phenomenon that so as to cause component premature failure.Fine motion
Fatigue is widely present in the fields such as aerospace, automobile, machinery, railway, electric power and biomedicine.Fretting fatigue is by receiving load
The difference of type can be divided into tension and compression fretting fatigue, reverse micro move fatigue and bending fretting fatigue etc..Reverse micro move fatigue exists
It is great to China express railway etc. in the military service of the important components such as the axle of rail traffic (high-speed rail, motor-car) and machine shaft
Equipment service safety plays a crucial role.
For a long time, people have carried out a large amount of analysis with regard to the problem of fatigue damage of engineering structure.It is generally believed that the tired longevity
The main consumption of life is in crack initiation and Short crack propagation stage.The propagation behavior of short crack macroscopically with crack length increase and
Change, it is microcosmic on also influenced by factors such as microstructure of metals and environment, add crack closure and crackle
The problems such as effect, so that the scaling problem of the short crack during being on active service under torsional load becomes sufficiently complex.Preferably to visit
Study carefully relationship of the crackle in expansion process with microstructure variation and macro-mechanical property, and then is provided for the design of components
Relatively reliable foundation needs to test components by fatigue tester, obtains the macroscopic view of material under twisting
Quantitative mechanics parameter.
Existing reverse micro move fatigue experimental device is that the upper and lower end of sample is clamped in upper and lower fixture respectively, driving
The torsion of lower fixture makes sample twist fine motion；After reaching setting number of torsions, reverse micro move fatigue test is completed.It has tested
Cheng Hou, then the section crackle after spot and cutting is ground by surface of the scanning electron microscope to sample after test and observed, analyze.It is deposited
The problem of be: 1, test when, sample individualism is not in close contact with any components；With practical in commission torsion
The operating condition that fine motion component is always contacted with the cooperation of remaining components " fastening " is not inconsistent, and the error of test result is big, reliability is low.
2, can only surface mill spot and section crackle after the completion of observation analysis to test, observe and record sample in real time without dynamic and turning round
Generation, the development, change procedure for turning crackle and mill spot during fretting fatigue, so that crackle, microcosmic group cannot be analyzed and be studied
The dynamic of the macro-mechanical properties such as load, torque, the angle of torsion between expansion process, variation and " fastening " mating parts for knitting
Relationship cannot provide more comprehensive, reliable foundation for the anti-torsion fatigue design of components.
Summary of the invention
The first object of the present invention is to provide a kind of reverse micro move fatigue experimental device based on synchrotron radiation, which exists
When reverse micro move fatigue test is tested, sample is in the state with remaining components immovable fitting, closer with actual condition；Its
Test result error is small, high reliablity；Can observation, record, analysis crackle etc. microstructures expansion process in test, become
Change, obtains the macro-mechanical properties such as the load, torsional torque, angle of reverse microemulsion moving part and the dynamic that crackle, microstructure change
Relationship, so that the anti-torsion fatigue design for components provides more comprehensive, reliable foundation.
The present invention realizes that its goal of the invention, used technical solution are, a kind of reverse micro move based on synchrotron radiation is tired
Labor experimental rig, the surface including being equipped with lower fixture, lower fixture in rack, rack are equipped with upper fixture, and upper fixture is for pressing from both sides
The upper end of sample is held, lower fixture is used to clamp the lower end of sample；It is characterized by:
The bottom plate of the rack is fixed on the revolving platform of servo motor driving, the torsion servo motor above bottom plate
Planetary reducer, rear synchronizing wheel, synchronous belt, preamble wheel is passed sequentially through to be connected with the bottom of lower clamping fixture seat；Under described
Clamping fixture seat is fixed on the upper plate of rack by bearing；The top of lower clamping fixture seat is fixedly connected with lower fixture, and the axis of lower fixture
The heart is located at turn around on the rotating shaft of platform；It is also equipped with optics angular displacement sensor on upper plate, and optics angular displacement sensor
Inductive head is directed at lower fixture；The inner ring of the bearing is equipped with torque sensor；
Left side, the right side of the rack upper plate are respectively symmetrically fixed with free bearing；The top of vertical fine motion load bar with
Free bearing is hinged, is connected by force snesor with loading head on the inside of upper end；Lower end is connected with the end of lateral electric cylinder；
The periphery of the upper plate of the rack is connect with the periphery of lucite cylinder lower part, in the steel top cover of lucite cylinder
Wall is threadedly coupled upper fixture；It is provided with the transmitter of synchrotron radiation light source on the left of the rack, is provided on the right side of rack
The receiver of synchrotron radiation light source, and transmitter, receiver and sample are on the same line；Optics angular displacement sensor,
Torque sensor, servo motor, torsion servo motor and electric cylinder are electrically connected with control and processing unit.
Second goal of the invention of the invention is to provide a kind of tired using a kind of above-mentioned reverse micro move based on synchrotron radiation
The method that labor experimental rig synchronizes the reverse micro move fatigue test of radiation, this method can dynamic realtime observe and record sample
Generation, the development, change procedure of crackle and mill spot during reverse micro move fatigue test, and then analyze and study crackle, micro-
The expansion process and the relationship of variation and its macro-mechanical property for seeing tissue, provide more for the anti-torsion fatigue design of components
Comprehensively, reliable foundation.
The present invention realizes its another object the technical scheme adopted is that a kind of be based on synchrotron radiation using above-mentioned one kind
Reverse micro move fatigue experimental device synchronize radiation reverse micro move fatigue test method, the steps include:
A, lucite cylinder is removed from upper plate, and upper fixture is removed from the steel top cover of lucite cylinder；Again will
The lower end of sample is held on lower fixture, while the upper end of sample is held on upper fixture；Then lucite cylinder is connected to
On plate, then upper fixture is threadedly connected to the bottom of the steel top cover of lucite cylinder, completes the installation of sample；
B, control and processing unit control electric cylinder elongation, the fine motion load bar of left and right side are rotated along free bearing simultaneously, thereon
End moves inward, and inwardly clamps sample by pressure sensor, loading head, and apply the load of setting to sample；Simulate fine motion
The environment of generation；It reads the load of sample receiving in real time by pressure sensor simultaneously, and sends control and processing unit to；
C, control and processing unit control torsion servo motor, make it by the frequency reciprocating rotation of setting, and pass sequentially through
Planetary reducer, rear synchronizing wheel, synchronous belt, preamble wheel, lower clamping fixture seat and lower fixture driving sample make reciprocal torsion fortune
It is dynamic；The torque that torque sensor real-time detection sample on bearing inner race is born, optics angular displacement sensor real-time detection sample
Windup-degree, and feed back to control and processing unit, realize the closed-loop control of torque；When rotational-torsional reaches the circulation of setting
When number, control and processing unit control torsion servo motor stop operating；
D, control and processing unit control servo motor, and revolving platform is made to drive the sample in rack and rack by setting
Speed does 360 degree of rotation；Meanwhile the synchrotron radiation light that the optical transmitting set of synchrotron radiation light source issues penetrates lucite cylinder,
After the sample for penetrating 360 degree of rotations again, is received by the optical receiver of synchrotron radiation light source, complete the real-time three-dimensional in situ to sample
Three-dimensional imaging；
E, the operation of c, d step is repeated, until completing total number of torsions of test setting, terminates test.
Compared with prior art, the beneficial effects of the present invention are:
One, the device of the invention docks the fatigue test of sample with the imaging of the synchrotron radiation light source of sample；It is tired in sample
During labor test, by the direct registration coupon of synchrotron radiation light source, in-situ synchronization radiant image stage by stage is carried out, is divided in real time
Stage obtains the three-dimensional image inside sample；The brightness of synchrotron radiation light is high, and signal noise ratio (snr) of image is high, imaging precision and spirit
Sensitivity is high, can obtain the image stage by stage occurred during the material torsional fatigue of atomic level, these processes include growth
Mechanism, phase transition process, solid function, crack propagation, interface process and other and time correlation process；It is complete from microcosmic point
The information such as face, the fine tissue change for symbolizing test material, crack propagation.In conjunction with test when load " fastening " load,
Torsional torque and windup-degree, torsional frequency and number, can comprehensively observe, analyze mechanics parameter and crackle of sample etc.
Variation, differentiation relationship between microscopic structure.So as to provide relatively reliable test for the Fatigue life design of engineering components
Foundation.
Two, the present invention makes sample by " fastening " set by electric cylinder, fine motion load bar and load head clamping sample
Load, simulating reverse micro move component is the environment in other component " fastening " cooperation；Make its operating condition of test with it is actual
The operating condition of reverse micro move component is closer；Its test result error is small, high reliablity.
Three, it is acted on by the deceleration torque increase for the deceleration mechanism that planetary reducer is core, ensure that sample accurate
Torque under carry out reverse micro move, also make test result more accurate, reliable.
Further, bearing of the invention is crossed roller bearing.
This bearing has good axial bearing capacity, and can radially adjust pretightning force, guarantees sample in reverse micro move
When, horizontal displacement will not occur, further improve the accurate and reliable of test result.
Present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the embodiment of the present invention.
Fig. 2 is the receiver and the left view structural representation after transmitter that the embodiment of the present invention removes synchrotron radiation light source.
Specific embodiment
Embodiment
Fig. 1, Fig. 2 shows a kind of specific embodiment of the invention is a kind of reverse micro move fatigue based on synchrotron radiation
Experimental rig, the surface including being equipped with lower fixture 13, lower fixture 13 in rack 3, rack 3 are equipped with upper fixture 10, upper fixture
10 for clamping the upper end of sample 11, and lower fixture 10 is used to clamp the lower end of sample 11；It is characterized by:
The bottom plate 3a of the rack 3 is fixed on the revolving platform 2 of servo motor 2a driving, the torsion above bottom plate 3a
Servo motor 4 passes sequentially through planetary reducer 16, rear synchronizing wheel 18, synchronous belt 17, preamble wheel 19 and lower clamping fixture seat 20
Bottom be connected；The lower clamping fixture seat 20 is fixed on the upper plate 3b of rack 3 by bearing；The top of lower clamping fixture seat 20 is fixed
It is connected with lower fixture 13, and the axle center of lower fixture 13 is located at turn around on the rotating shaft of platform 2；Optics angle is also equipped on upper plate 3b
Displacement sensor 6, and the inductive head of optics angular displacement sensor 6 is directed at lower fixture 13；The inner ring of the bearing is equipped with torsion
Square sensor；
Left side, the right side of the 3 upper plate 3b of rack is respectively symmetrically fixed with free bearing 7；Vertical fine motion load bar 14
Top and free bearing 7 are hinged, are connected by force snesor 8 with loading head 9 on the inside of upper end；The end of lower end and lateral electric cylinder 15
It is connected；
The periphery of the upper plate 3b of the rack 3 is connect with the periphery of 22 lower part of lucite cylinder, lucite cylinder 22
Steel top cover inner thread connects upper fixture 10；The left side of the rack 3 is provided with the transmitter 25 of synchrotron radiation light source, rack
3 right side is provided with the receiver 24 of synchrotron radiation light source, and transmitter 25, receiver 24 and sample 11 are in same straight line
On；Optics angular displacement sensor 6, torque sensor, servo motor 2a, torsion servo motor 4 and electric cylinder 15 with control and
Processing unit electrical connection.
A kind of reverse micro move fatigue experimental device based on synchrotron radiation of this example, which is characterized in that the bearing is
Crossed roller bearing.
A kind of reverse micro move fatigue experimental device based on synchrotron radiation using this example carries out reverse micro move fatigue test
Method, the steps include:
A, lucite cylinder 22 is removed from upper plate 3b, and upper fixture 10 is taken from the steel top cover of lucite cylinder 22
Under；The lower end of sample 11 is held on lower fixture 13 again, while the upper end of sample 11 is held on upper fixture 10；It then will be organic
Glass infuser 22 is connected on upper plate 3b, then upper fixture 10 is threadedly connected to the bottom of the steel top cover of lucite cylinder 22, is completed
The installation of sample 11；
B, control and processing unit control electric cylinder 15 extend, and the fine motion load bar 14 of left and right side is revolved along free bearing 7 simultaneously
Turn, the upper end moves inward, and inwardly clamps sample 11 by pressure sensor 8, loading head 9, and apply setting to sample 11
Load；Simulate the environment that fine motion generates；It reads the load that sample 11 is born in real time by pressure sensor 8 simultaneously, and sends control to
System and processing unit；
C, control and processing unit control torsion servo motor 4, make it by the frequency reciprocating rotation of setting, and pass sequentially through
Planetary reducer 16, rear synchronizing wheel 18, synchronous belt 17, preamble wheel 19, lower clamping fixture seat 20 and lower fixture 13 drive sample
11 make reciprocal twist motion；The torque that torque sensor real-time detection sample 11 on bearing inner race is born, optics angular displacement pass
The windup-degree of 6 real-time detection sample 11 of sensor, and control and processing unit are fed back to, realize the closed-loop control of torque；Work as torsion
It walks around dynamic when reaching the cycle-index of setting, control and processing unit control torsion servo motor 4 stop operating；
D, control and processing unit control servo motor 2a, and revolving platform 2 is made to drive the sample 11 in rack 3 and rack 3
360 degree of rotation is done by the speed of setting；Meanwhile synchrotron radiation light source optical transmitting set issue synchrotron radiation light penetrate it is organic
Glass infuser 22, then penetrate 360 degree rotation sample 11 after, by synchrotron radiation light source optical receiver receive, complete to sample 11
Real-time three-dimensional three-dimensional imaging in situ；
E, the operation of c, d step is repeated, until completing total number of torsions of test setting, terminates test.
Claims (3)
1. a kind of reverse micro move fatigue experimental device based on synchrotron radiation, including rack (3), rack are equipped with lower folder on (3)
Have (13), the surface of lower fixture (13) is equipped with upper fixture (10), upper fixture (10) is used to clamp the upper ends of sample (11), lower folder
Tool (10) is used to clamp the lower end of sample (11)；It is characterized by:
The bottom plate (3a) of the rack (3) is fixed on the revolving platform (2) of servo motor (2a) driving, above bottom plate (3a)
Torsion servo motor (4) pass sequentially through planetary reducer (16), rear synchronizing wheel (18), synchronous belt (17), preamble wheel
(19) it is connected with the bottom of lower clamping fixture seat (20)；The lower clamping fixture seat (20) is fixed on the upper plate of rack (3) by bearing
On (3b)；The top of lower clamping fixture seat (20) is fixedly connected with lower fixture (13), and the axle center of lower fixture (13) is located at turn around platform
(2) on rotating shaft；It is also equipped on upper plate (3b) optics angular displacement sensor (6), and the sense of optics angular displacement sensor (6)
Head is answered to be directed at lower fixture (13)；The inner ring of the bearing is equipped with torque sensor；
Left side, the right side of rack (3) upper plate (3b) are respectively symmetrically fixed with free bearing (7)；Vertical fine motion load bar
(14) top and free bearing (7) hingedly, is connected by force snesor (8) with loading head (9) on the inside of upper end；Lower end and lateral electricity
The end of dynamic cylinder (15) is connected；
The periphery of the upper plate (3b) of the rack (3) is connect with the periphery of lucite cylinder (22) lower part, lucite cylinder
(22) steel top cover inner thread connects upper fixture (10)；The hair of synchrotron radiation light source is provided on the left of the rack (3)
Emitter (25) is provided with the receiver (24) of synchrotron radiation light source, and transmitter (25), receiver (24) on the right side of rack (3)
It is on the same line with sample (11)；Optics angular displacement sensor (6), torque sensor, servo motor (2a), torsion are watched
Motor (4) and electric cylinder (15) is taken to be electrically connected with control and processing unit.
2. a kind of reverse micro move fatigue experimental device based on synchrotron radiation according to claim 1, which is characterized in that institute
The bearing stated is crossed roller bearing.
3. a kind of reverse micro move fatigue experimental device using described in claim 1 based on synchrotron radiation carries out reverse micro move
The method of fatigue test, the steps include:
A, lucite cylinder (22) is removed from upper plate (3b), and by upper fixture (10) from the steel top cover of lucite cylinder (22)
On remove；The lower end of sample (11) is held on lower fixture (13) again, while the upper end of sample (11) is held on upper fixture
(10)；Then lucite cylinder (22) is connected on upper plate (3b), then upper fixture (10) is threadedly connected to lucite cylinder
(22) installation of sample (11) is completed in the bottom of steel top cover；
B, control and processing unit control electric cylinder (15) elongation, the fine motion load bar (14) of left and right side are revolved along free bearing (7) simultaneously
Turn, the upper end moves inward, and inwardly clamps sample (11) by pressure sensor (8), loading head (9), and apply to sample (11)
Add fixed load；Simulate the environment that fine motion generates；Read the load of sample (11) receiving in real time by pressure sensor (8) simultaneously
Lotus, and send control and processing unit to；
C, control and processing unit control torsion servo motor (4), make it by the frequency reciprocating rotation of setting, and pass sequentially through row
Star gear reduction unit (16), rear synchronizing wheel (18), synchronous belt (17), preamble wheel (19), lower clamping fixture seat (20) and lower fixture
(13) reciprocal twist motion is made in driving sample (11)；The torsion that torque sensor real-time detection sample (11) on bearing inner race is born
Square, the windup-degree of optics angular displacement sensor (6) real-time detection sample (11), and control and processing unit are fed back to, it realizes
The closed-loop control of torque；When rotational-torsional reaches the cycle-index of setting, control and processing unit control torsion servo motor
(4) it stops operating；
D, control and processing unit control servo motor (2a), make revolving platform (2) to drive the examination in rack (3) and rack (3)
Sample (11) is done 360 degree of rotation by the speed of setting；Meanwhile the synchrotron radiation light that the optical transmitting set of synchrotron radiation light source issues is worn
Saturating lucite cylinder (22), then after penetrating the sample (11) of 360 degree of rotations, received by the optical receiver of synchrotron radiation light source, it is complete
The real-time three-dimensional three-dimensional imaging in situ of pairs of sample (11)；
E, the operation of c, d step is repeated, until completing total number of torsions of test setting, terminates test.
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| CN201820330545 | 2018-03-12 | ||
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| CN201811607059.1A Active CN109668797B (en) | 2018-03-12 | 2018-12-27 | Torsional fretting fatigue test device and method based on synchronous radiation |
| CN201822209230.5U Active CN209690087U (en) | 2018-03-12 | 2018-12-27 | A kind of reverse micro move fatigue rig based on synchrotron radiation |
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| CN113447349A (en) * | 2021-06-29 | 2021-09-28 | 江苏丁是丁精密科技有限公司 | Shell fragment fatigue test device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109668797B (en) * | 2018-03-12 | 2023-09-22 | 西南交通大学 | Torsional fretting fatigue test device and method based on synchronous radiation |
| CN113640149B (en) * | 2021-08-30 | 2024-01-30 | 哈尔滨工业大学 | Composite material in-situ shear loading equipment suitable for synchrotron radiation CT |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63210640A (en) * | 1987-02-26 | 1988-09-01 | Yokohama Rubber Co Ltd:The | Apparatus for testing twist fatigue of composite material |
| JPH04115135A (en) * | 1990-09-05 | 1992-04-16 | Toshiba Mach Co Ltd | Auxiliary apparatus for torsional fatigue test |
| CN101178345A (en) * | 2007-12-05 | 2008-05-14 | 西南交通大学 | Twisting or micro-moving frictional wear test method and device thereof |
| JP2008139259A (en) * | 2006-12-05 | 2008-06-19 | Meidensha Corp | Metal fatigue testing machine and method using the same |
| CN101963563A (en) * | 2010-09-13 | 2011-02-02 | 西南交通大学 | Test method and test device for torsional composite fretting friction wear |
| CN103512803A (en) * | 2013-09-26 | 2014-01-15 | 吉林大学 | Multi-load and multi-physics coupling material micromechanical performance in-situ testing instrument |
| CN104297046A (en) * | 2014-10-08 | 2015-01-21 | 中国矿业大学 | Device and method for multi-axis fretting fatigue test of steel wire |
| RU2568963C1 (en) * | 2014-06-30 | 2015-11-20 | Виктор Андреевич Ломовской | Metering converter |
| CN105334237A (en) * | 2015-11-10 | 2016-02-17 | 西南交通大学 | Fatigue testing machine and testing method capable of synchronously radiating light source for in-site imaging |
| CN105699214A (en) * | 2016-01-14 | 2016-06-22 | 西南交通大学 | Torsional fretting fatigue testing equipment and experiment |
| CN106018140A (en) * | 2016-06-21 | 2016-10-12 | 西南交通大学 | Improved actuation mechanism for fatigue testing machine achieving in-situ imaging of synchrotron radiation light source |
| CN106680121A (en) * | 2016-12-23 | 2017-05-17 | 西南交通大学 | Synchrotron radiation in-situ imaging fatigue testing machine comprising temperature control mechanism and testing method of synchrotron radiation in-situ imaging fatigue testing machine |
| US20170191888A1 (en) * | 2015-12-31 | 2017-07-06 | Michael Vinogradov-Nurenberg | Multi-component force-torque sensing device with reduced cross-talk for twist-compression testing machine |
| CN107179254A (en) * | 2017-05-02 | 2017-09-19 | 华中科技大学 | A kind of plane-plane contact twisting or micro-moving frictional wear pilot system and its control method |
| CN107179191A (en) * | 2017-05-16 | 2017-09-19 | 江苏明珠试验机械有限公司 | Bushing reverse torsion machine |
| CN209690087U (en) * | 2018-03-12 | 2019-11-26 | 西南交通大学 | A kind of reverse micro move fatigue rig based on synchrotron radiation |
-
2018
- 2018-12-27 CN CN201811607059.1A patent/CN109668797B/en active Active
- 2018-12-27 CN CN201822209230.5U patent/CN209690087U/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63210640A (en) * | 1987-02-26 | 1988-09-01 | Yokohama Rubber Co Ltd:The | Apparatus for testing twist fatigue of composite material |
| JPH04115135A (en) * | 1990-09-05 | 1992-04-16 | Toshiba Mach Co Ltd | Auxiliary apparatus for torsional fatigue test |
| JP2008139259A (en) * | 2006-12-05 | 2008-06-19 | Meidensha Corp | Metal fatigue testing machine and method using the same |
| CN101178345A (en) * | 2007-12-05 | 2008-05-14 | 西南交通大学 | Twisting or micro-moving frictional wear test method and device thereof |
| CN101963563A (en) * | 2010-09-13 | 2011-02-02 | 西南交通大学 | Test method and test device for torsional composite fretting friction wear |
| CN103512803A (en) * | 2013-09-26 | 2014-01-15 | 吉林大学 | Multi-load and multi-physics coupling material micromechanical performance in-situ testing instrument |
| RU2568963C1 (en) * | 2014-06-30 | 2015-11-20 | Виктор Андреевич Ломовской | Metering converter |
| CN104297046A (en) * | 2014-10-08 | 2015-01-21 | 中国矿业大学 | Device and method for multi-axis fretting fatigue test of steel wire |
| CN105334237A (en) * | 2015-11-10 | 2016-02-17 | 西南交通大学 | Fatigue testing machine and testing method capable of synchronously radiating light source for in-site imaging |
| US20170191888A1 (en) * | 2015-12-31 | 2017-07-06 | Michael Vinogradov-Nurenberg | Multi-component force-torque sensing device with reduced cross-talk for twist-compression testing machine |
| CN105699214A (en) * | 2016-01-14 | 2016-06-22 | 西南交通大学 | Torsional fretting fatigue testing equipment and experiment |
| CN106018140A (en) * | 2016-06-21 | 2016-10-12 | 西南交通大学 | Improved actuation mechanism for fatigue testing machine achieving in-situ imaging of synchrotron radiation light source |
| CN106680121A (en) * | 2016-12-23 | 2017-05-17 | 西南交通大学 | Synchrotron radiation in-situ imaging fatigue testing machine comprising temperature control mechanism and testing method of synchrotron radiation in-situ imaging fatigue testing machine |
| CN107179254A (en) * | 2017-05-02 | 2017-09-19 | 华中科技大学 | A kind of plane-plane contact twisting or micro-moving frictional wear pilot system and its control method |
| CN107179191A (en) * | 2017-05-16 | 2017-09-19 | 江苏明珠试验机械有限公司 | Bushing reverse torsion machine |
| CN209690087U (en) * | 2018-03-12 | 2019-11-26 | 西南交通大学 | A kind of reverse micro move fatigue rig based on synchrotron radiation |
Non-Patent Citations (1)
| Title |
|---|
| 曾纪杰, 赵稳: "简易扭转疲劳试验机的开发研究", 工程设计学报, no. 01 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447349A (en) * | 2021-06-29 | 2021-09-28 | 江苏丁是丁精密科技有限公司 | Shell fragment fatigue test device |
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| CN209690087U (en) | 2019-11-26 |
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