CN104034613A - Material vibration load test system for X-ray microscopic imaging - Google Patents
Material vibration load test system for X-ray microscopic imaging Download PDFInfo
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- CN104034613A CN104034613A CN201410285940.XA CN201410285940A CN104034613A CN 104034613 A CN104034613 A CN 104034613A CN 201410285940 A CN201410285940 A CN 201410285940A CN 104034613 A CN104034613 A CN 104034613A
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000003384 imaging method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 239000000919 ceramic Substances 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 6
- 238000009661 fatigue test Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 7
- 208000037656 Respiratory Sounds Diseases 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The invention relates to a material vibration load test system for X-ray microscopic imaging. The material vibration load test system is composed of a load driving mechanism, a loading detecting mechanism and a sample clamping mechanism, wherein the load driving mechanism and the sample clamping mechanism are coaxially and fixedly mounted through a fixed seat, and the load driving mechanism is fixedly mounted in the fixed seat; the loading detecting mechanism is coaxially and fixedly mounted in the sample clamping mechanism at the upper end of the load driving mechanism, and a sample is arranged in the sample clamping mechanism at the upper end of the loading detecting mechanism. When being used, the material vibration load test system is put in an X-ray microscopic imaging instrument, and the center height of an X-ray is adjusted to coincide with the center height of the sample; when a fatigue test is carried out on the sample, the sample can be subjected to X-ray microscopic imaging, namely the inner information such as inner deformation of the sample and propagation of crack in the fatigue test process can be represented and monitored, and therefore the cycle index of causing fatigue rupture of materials is accurately obtained and the fatigue property of the materials is accurately evaluated.
Description
Technical field
The invention belongs to microscopic CT scanning technical field of imaging, relate to a kind of material vibrating load test system for X ray micro-imaging.
Background technology
Fatigue is under CYCLIC LOADING condition, occurs in part, material point place, permanent damage increasing process.This material is after enough stress or strain circulation, and its damage accumulation can make material generation crackle, or crackle extends further to fracture completely.Material, under enough large alterante stress effect, at positions such as the sudden change of member profile or surperficial indentation or inherent vices, all may be concentrated and cause microfissure because of larger stress.The microfissure disperseing will form macroscopic cracking through assembling to link up, and established macroscopic cracking is expanded rallentando, and member xsect progressively weakens, and in the time reaching certain limit, member is fracture suddenly.Material, because of the above-mentioned failure phenomenon that alterante stress causes, is called the fatigue of material.For the good material of plastic property under static load, in the time bearing alterante stress, often at stress lower than yield limit and fracture suddenly there is no obvious plastic yield in the situation that.Statistics shows, the inefficacy of mechanical component, and approximately having 70% left and right is that fatigue causes, and the accident great majority that cause are catastrophic.Therefore, the performance of research material antifatigue is of practical significance by experiment.
Current material torture test is general adopts two kinds of methods, and a kind of is requirement according to part life, under a certain cycle index of regulation, measures the maximum stress that does not destroy material, measures the fatigue strength of material; Another kind is to measure the material maximum cycle that material can bear under given applied stress condition.But no matter adopt which kind of measuring method, what the torture test of doing obtained is a final numerical value, utilize existing research technique to characterize and monitor as for material inner internal information such as distortion and the expansion of crackle in torture test process, and measured result and the actual fatigure failure result of material there is certain error.
By investigation, do not meet to the present patent application be applied to X ray micro-imaging and torture test technology for the similar technology of the material vibrating load test system of X ray micro-imaging.
Summary of the invention
The object of the invention is the limitation for existing torture test, a kind of material vibrating load test system for X ray micro-imaging has been proposed, this system can coordinate X ray micro-imaging technique, the distortion of material internal in the time carrying out torture test and the spread scenarios of crackle are characterized and monitoring, thereby accurately, the fatigue behaviour of evaluating material intuitively.
The object of the invention is to be achieved through the following technical solutions:
A kind of material vibrating load test system for X ray micro-imaging, formed by load driver mechanism, load testing agency and sample clamping mechanism three parts, load driver mechanism is coaxially fixedly mounted with by holder and sample clamping mechanism, is fixedly mounted with load driver mechanism in holder; In the sample clamping mechanism of load driver mechanism upper end, be coaxially fixedly mounted with load testing agency, in the sample clamping mechanism of load testing agency upper end, sample be set.
And, described load driver mechanism is made up of driving body, piezoelectric ceramics, back-moving spring, spring set screw and lock-screw, driving body is flexure hinge mechanism, the central shaft position of going to the bottom at driving body is shaped with axial blind hole, in blind hole, be coaxially fixedly mounted with piezoelectric ceramics by lock-screw, top, the bottom dress of piezoelectric ceramics and blind hole; The two ends of piezoelectric ceramic actuator are hemisphere and contact with the conical surface, realize automatic centering, control pass through axle center; Be symmetrically installed with two spring set screw at flexible hinge place, blind hole two ends, in each spring set screw, be coated with back-moving spring.
And described load testing agency is made up of joint flange, sensor holder and power sensor, the bottom surface, lower end of joint flange fits tightly and is connected with the upper surface of load driver mechanism, and is fixed together by the attachment screw being arranged symmetrically with; Upper end at joint flange is fixedly mounted with sensor holder, installing force sensor in this sensor holder; Sensor holder top and sample clamping mechanism location setting-in, arrange sample in sensor holder upper surface.
And, described sample clamping mechanism is by shell, stay pipe, upper fixture, set screw, upper cover and guide pole form, its housing, stay pipe and upper cover all adopt bonding mode coaxially to connect as one, fixture on support inner coaxial tube is slidably installed, on above upper fixture, cover coaxial vertically engagement installation set screw, the top, lower end of this set screw is contained in the upper surface of fixture, on this, fixture is implemented guiding by vertically symmetrical guide pole, the lower end of this guide pole is packed on the sensor holder of load testing agency, location and installation sample between upper fixture and load testing agency sensor holder upper surface.
And described stay pipe is made up of high strength light material, X ray can easily penetrate stay pipe, and easily from micro-imaging, stay pipe image is removed; The set screw that upper cover is installed ensures that sample contacts with sensor with load maintainer and ensures certain pretightning force, and is locked by latch mechanism, and the top of guide pole coordinates with two through holes of upper cover, and lower end and sensor holder are connected and fixed.
Advantage of the present invention and good effect are:
System of the present invention in use, material vibrating load test system for X ray micro-imaging is placed on to X ray microscopic imaging instrument inside, and adjust X ray centre-height and overlap with sample centre-height, in carrying out sample torture test, can carry out X ray micro-imaging to sample, can characterize and monitoring sample internal information such as the distortion of sample inside and the expansion of crackle in torture test process, thereby accurately obtain the cycle index that causes that fatigue of materials is destroyed, and the fatigue behaviour of accurate evaluation material.
Brief description of the drawings
Fig. 1 is spatial structure cross-sectional schematic of the present invention;
Fig. 2 is the load driver mechanism structure sketch of Fig. 1;
Fig. 3 is the load testing agency structure diagram of Fig. 1;
Fig. 4 is the sample clamping mechanism structure diagram of Fig. 1.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
A kind of material vibrating load test system for X ray micro-imaging, its general structure as shown in Figure 1, formed by load driver mechanism, load testing agency and sample clamping mechanism three parts, load driver mechanism is coaxially fixedly mounted with by holder 14 and sample clamping mechanism, is fixedly mounted with load driver mechanism in holder; In the sample clamping mechanism of load driver mechanism upper end, be coaxially fixedly mounted with load testing agency, sample 5 is set in the sample clamping mechanism of load testing agency upper end.Load driver mechanism provides loading and the unloading of sample, and load testing agency is for detecting the magnitude of load of load driver mechanism output, and sample clamping mechanism is fixed and position adjustment in order to the installation of sample.The principle of work of whole system is: load driver mechanism provides all changeable alternate loads of size and frequency, this alternate load is delivered to sample by load testing agency, this vibration load test system is placed in X ray microscopic imaging instrument, and by sample center and X ray center-aligned, open vibration load test system, can be sample alternate load is provided, sample is carried out to internal imaging, can realize sign and the monitoring of the internal feature such as distortion and crackle to sample inside under alternate load effect.
The concrete structure of above-mentioned three parts is referring to Fig. 2,3,4, wherein:
One, the concrete structure of load driver mechanism as shown in Figure 2, load driver mechanism is made up of driving body 12, piezoelectric ceramics 9, back-moving spring 16, spring set screw 15 and lock-screw 13, driving body is flexure hinge mechanism, the central shaft position of going to the bottom at driving body is shaped with axial blind hole, in blind hole, be coaxially fixedly mounted with piezoelectric ceramics by lock-screw, top, the bottom dress of piezoelectric ceramics and blind hole; The two ends of piezoelectric ceramic actuator are hemisphere and contact with the conical surface, realize automatic centering, control pass through axle center; Be symmetrically installed with two spring set screw at flexible hinge place, blind hole two ends, in each spring set screw, be coated with back-moving spring.The principle of this load driver mechanism is: load and unloading is to realize by controlling energising and the power-down mode of piezoelectric ceramics, and size by control piezoelectric ceramics input voltage and cycle can be controlled size and the frequency of output loads.When loading, to the logical voltage of piezoelectric ceramics, when energising, piezoelectric ceramics generation inverse piezoelectric effect produces and extends, and piezoelectric ceramics one end is locked, screw is fixed, piezoelectric ceramics can only produce along the other end (blind-hole bottom) to fixed-direction elongation strain, and the flexible hinge that promotes driving body upwards produces distortion, and loading procedure has been transmitted in the distortion producing by piezoelectric ceramics upward, flexure hinge mechanism plays the axial loading force that freely transmits, and constraint is laterally provided; When power-off, piezoelectric ceramics shrinks, and recovers distortion under the elasticity pretightning force effect that the flexible hinge of driving body provides at back-moving spring, completes uninstall process, and the large I of back-moving spring pretightning force regulates by spring set screw.
Two, the concrete structure of described load testing agency as shown in Figure 3, formed by joint flange 11, sensor holder 8 and power sensor 7, the bottom surface, lower end of joint flange fits tightly and is connected with the upper surface of load driver mechanism, and is fixed together by the attachment screw (there is no label) being arranged symmetrically with; Upper end at joint flange is fixedly mounted with sensor holder, installing force sensor in this sensor holder; Sensor holder top and sample clamping mechanism location setting-in, arrange sample in sensor holder upper surface.The principle of work of load testing agency is: the top of sensor holder is a flexure hinge mechanism, and in the time that load driver mechanism loads, the distortion that sensor holder can produce load driver mechanism is delivered to sample, completes the loading and unloading to sample.
Three, the concrete structure of described sample clamping mechanism as shown in Figure 4, by shell 10, stay pipe 6, upper fixture 4, set screw 1, upper cover 3 and guide pole 2 form, its housing, stay pipe and upper cover all adopt bonding mode coaxially to connect as one, fixture on support inner coaxial tube is slidably installed, on above upper fixture, cover coaxial vertically engagement installation set screw, the top, lower end of this set screw is contained in the upper surface of fixture, on this, fixture is implemented guiding by vertically symmetrical guide pole, the lower end of this guide pole is packed on the sensor holder of load testing agency, location and installation sample between upper fixture and load testing agency sensor holder upper surface.Coaxially be fixedly mounted with the sensor holder of location setting-in load testing agency in shell at shell lower case and holder realization.Stay pipe is made up of high strength light material, and X ray can easily penetrate stay pipe, and easily from micro-imaging, stay pipe image is removed; The set screw that upper cover is installed ensures that sample contacts with sensor with load maintainer and ensures certain pretightning force, and is locked by latch mechanism, and the top of guide pole coordinates with two through holes of upper cover, and lower end and sensor holder are connected and fixed.
Method and step when the present invention carries out sample vibration load test are as follows:
Sample is fixed on to sensor holder upper end, upper fixture is placed on to sample upper end along guide pole, and sample is fixed on to upper fixture lower end, by mesochite, stay pipe, and upper cover is placed on fixture top, and mesochite is connected with holder, regulate set screw, fix sample position, after sample is installed, whole device is placed on to X ray microscopic imaging instrument inside, give piezoelectric ceramics input voltage, the waveform of this input voltage, amplitude and frequency can need to set according to test, piezoelectric ceramics produces and extends and shorten and be out of shape under input voltage effect, this distortion passes to sample by the flexible hinge of driving body and the flexible hinge of sensor holder, complete the loading and unloading circulation to sample, power sensor detects the magnitude of load and the frequency that are applied on sample in real time, and feed back to controller, amplitude to input voltage and frequency are carried out closed-loop control, thereby magnitude of load and the frequency of guaranteeing to put on sample are setting value, in the process of torture test, sample is carried out to the scanning of X ray micro-imaging, monitor sample its internal modification and Crack Extension situation under alternate load effect by internal imaging.
Claims (5)
1. the material vibrating load test system for X ray micro-imaging, it is characterized in that: formed by load driver mechanism, load testing agency and sample clamping mechanism three parts, load driver mechanism is coaxially fixedly mounted with by holder and sample clamping mechanism, is fixedly mounted with load driver mechanism in holder; In the sample clamping mechanism of load driver mechanism upper end, be coaxially fixedly mounted with load testing agency, in the sample clamping mechanism of load testing agency upper end, sample be set.
2. the material vibrating load test system for X ray micro-imaging according to claim 1, it is characterized in that: described load driver mechanism is made up of driving body, piezoelectric ceramics, back-moving spring, spring set screw and lock-screw, driving body is flexure hinge mechanism, the central shaft position of going to the bottom at driving body is shaped with axial blind hole, in blind hole, be coaxially fixedly mounted with piezoelectric ceramics by lock-screw, top, the bottom dress of piezoelectric ceramics and blind hole; The two ends of piezoelectric ceramic actuator are hemisphere and contact with the conical surface, realize automatic centering, control pass through axle center; Be symmetrically installed with two spring set screw at flexible hinge place, blind hole two ends, in each spring set screw, be coated with back-moving spring.
3. the material vibrating load test system for X ray micro-imaging according to claim 1, it is characterized in that: described load testing agency is made up of joint flange, sensor holder and power sensor, the bottom surface, lower end of joint flange fits tightly and is connected with the upper surface of load driver mechanism, and is fixed together by the attachment screw being arranged symmetrically with; Upper end at joint flange is fixedly mounted with sensor holder, installing force sensor in this sensor holder; Sensor holder top and sample clamping mechanism location setting-in, arrange sample in sensor holder upper surface.
4. the material vibrating load test system for X ray micro-imaging according to claim 1, it is characterized in that: described sample clamping mechanism is by shell, stay pipe, upper fixture, set screw, upper cover and guide pole form, its housing, stay pipe and upper cover all adopt bonding mode coaxially to connect as one, fixture on support inner coaxial tube is slidably installed, on above upper fixture, cover coaxial vertically engagement installation set screw, the top, lower end of this set screw is contained in the upper surface of fixture, on this, fixture is implemented guiding by vertically symmetrical guide pole, the lower end of this guide pole is packed on the sensor holder of load testing agency, location and installation sample between upper fixture and load testing agency sensor holder upper surface.
5. the material vibrating load test system for X ray micro-imaging according to claim 4, it is characterized in that: described stay pipe is made up of high strength light material, X ray can easily penetrate stay pipe, and easily from micro-imaging, stay pipe image is removed; The set screw that upper cover is installed ensures that sample contacts with sensor with load maintainer and ensures certain pretightning force, and is locked by latch mechanism, and the top of guide pole coordinates with two through holes of upper cover, and lower end and sensor holder are connected and fixed.
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| CN104034613B CN104034613B (en) | 2016-04-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973624A (en) * | 2016-05-03 | 2016-09-28 | 清华大学 | High-frequency loading device with loading force adjusted and measured in real time |
| CN106596305A (en) * | 2016-12-19 | 2017-04-26 | 潍柴动力股份有限公司 | Detection system and detection method for fatigue cracks under high-frequency vibration |
| CN108562506A (en) * | 2018-03-08 | 2018-09-21 | 西南交通大学 | High frequency in situ imaging fatigue tester |
| CN110068515A (en) * | 2019-05-21 | 2019-07-30 | 湖州华科建设工程质量检测有限公司 | A kind of construction project multi-detector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2939923A1 (en) * | 1979-10-02 | 1981-04-16 | Carl Schenck Ag, 6100 Darmstadt | MATERIAL TESTING MACHINE WITH PIEZOELECTRIC DRIVE |
| JPS63250549A (en) * | 1987-04-08 | 1988-10-18 | Nec Corp | Tension testing machine for thin-film |
| JPH02268248A (en) * | 1989-04-10 | 1990-11-01 | Nec Corp | Thin film tensile fatigue tester |
| JP2001153821A (en) * | 1999-11-26 | 2001-06-08 | Shimadzu Corp | Material testing machine |
| CN101216390A (en) * | 2008-01-11 | 2008-07-09 | 大连理工大学 | Micro-element dynamic performance off-chip tensile test experimental bench |
| CN102353599A (en) * | 2011-06-07 | 2012-02-15 | 吉林大学 | Piezoelectricity-driven high-frequency fatigue testing machine |
| CN202256076U (en) * | 2011-10-26 | 2012-05-30 | 四川大学 | High-temperature ultrasonic vibration long-life fatigue test device |
| CN103604713A (en) * | 2013-11-21 | 2014-02-26 | 西南交通大学 | Multidirectional fretting wear device and testing method for heat transmission pipe of steam generator |
-
2014
- 2014-06-24 CN CN201410285940.XA patent/CN104034613B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2939923A1 (en) * | 1979-10-02 | 1981-04-16 | Carl Schenck Ag, 6100 Darmstadt | MATERIAL TESTING MACHINE WITH PIEZOELECTRIC DRIVE |
| JPS63250549A (en) * | 1987-04-08 | 1988-10-18 | Nec Corp | Tension testing machine for thin-film |
| JPH02268248A (en) * | 1989-04-10 | 1990-11-01 | Nec Corp | Thin film tensile fatigue tester |
| JP2001153821A (en) * | 1999-11-26 | 2001-06-08 | Shimadzu Corp | Material testing machine |
| CN101216390A (en) * | 2008-01-11 | 2008-07-09 | 大连理工大学 | Micro-element dynamic performance off-chip tensile test experimental bench |
| CN102353599A (en) * | 2011-06-07 | 2012-02-15 | 吉林大学 | Piezoelectricity-driven high-frequency fatigue testing machine |
| CN202256076U (en) * | 2011-10-26 | 2012-05-30 | 四川大学 | High-temperature ultrasonic vibration long-life fatigue test device |
| CN103604713A (en) * | 2013-11-21 | 2014-02-26 | 西南交通大学 | Multidirectional fretting wear device and testing method for heat transmission pipe of steam generator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973624A (en) * | 2016-05-03 | 2016-09-28 | 清华大学 | High-frequency loading device with loading force adjusted and measured in real time |
| CN105973624B (en) * | 2016-05-03 | 2019-05-21 | 清华大学 | A kind of high frequency loading device that loading force can be adjusted in real time and be measured |
| CN106596305A (en) * | 2016-12-19 | 2017-04-26 | 潍柴动力股份有限公司 | Detection system and detection method for fatigue cracks under high-frequency vibration |
| CN108562506A (en) * | 2018-03-08 | 2018-09-21 | 西南交通大学 | High frequency in situ imaging fatigue tester |
| CN110068515A (en) * | 2019-05-21 | 2019-07-30 | 湖州华科建设工程质量检测有限公司 | A kind of construction project multi-detector |
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| CN104034613B (en) | 2016-04-20 |
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Denomination of invention: A material vibration loading test system for X-ray microscopic imaging Effective date of registration: 20220815 Granted publication date: 20160420 Pledgee: Bank of China Limited Tianjin Dongli sub branch Pledgor: TIANJIN SANYING PRECISION INSTRUMENTS CO.,LTD. Registration number: Y2022980012554 |
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Granted publication date: 20160420 Pledgee: Bank of China Limited Tianjin Dongli sub branch Pledgor: TIANJIN SANYING PRECISION INSTRUMENTS CO.,LTD. Registration number: Y2022980012554 |