CN201083658Y - Stretching apparatus for metal deformation in situ dynamic observation - Google Patents
Stretching apparatus for metal deformation in situ dynamic observation Download PDFInfo
- Publication number
- CN201083658Y CN201083658Y CNU2007200755276U CN200720075527U CN201083658Y CN 201083658 Y CN201083658 Y CN 201083658Y CN U2007200755276 U CNU2007200755276 U CN U2007200755276U CN 200720075527 U CN200720075527 U CN 200720075527U CN 201083658 Y CN201083658 Y CN 201083658Y
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- leading screw
- framework
- slide block
- sample
- metal deformation
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Abstract
The utility model discloses a stretch device used for metal deformation in-situ dynamic observation in the material technical field. The utility model comprises a frame, a sliding block, a screw rod, an adapter, a deformation measurement device, fixing devices and a pressure sensor. The connection relationship is as follows: the sliding block is arranged on the screw rod, both side surfaces of the sliding block are matched with the inner groove surface of the frame; one end of the screw rod is provided with the adapter, the other end of the screw rod is provided with the pressure sensor; the deformation measurement device is arranged on the frame or the surface of a test sample; one end of the frame and the upper end of the sliding block are provided with fixing devices which fix one end of the test sample on the frame and fix the other end of the test sample on the sliding block. The utility model is universal on microscopes, has a smart structure, low cost, convenient operation, simplicity and practicability, and can be used in scanning electron microscopes at the same time.
Description
Technical field
The utility model relates to the device in a kind of material technology field, specifically is a kind of stretching device that the metal deformation in-situ dynamic observes that is used for.
Background technology
At microscopically the deformation and the fracture process of metal carried out in-situ dynamic observation, can directly see the germinating and the expansion of crackle, clear and definite material microstructure is to the influence of fracture process.At present microscope comprises visible, infrared, ultraviolet, polarizing microscope, only is used for static tissue usually and observes, and can't provide original position observation of characteristics and the evaluation of material structure in dynamic deformation process.This is to the tissue in the material deformation process, and especially the variation characteristic of microtexture and deformation mechanism can't be observed in good time.Though to have developed special-purpose in-situ stretching device, mostly is the accessory of special plane special use at scanning electron microscope, its complex structure costs an arm and a leg, maintenance difficult.
Find through literature search prior art, Chinese invention patent 200510029966.9, patent name: a kind of micro-measuring method, device and purposes that is used on the microscope, relate at microscopically and carry out some in site measurements with good conditionsi, this patent readme is " to adopt mechanical module, signal acquisition module, data processing module and control module to form; in power effect processes such as sample is stretched, compresses, reverses, the optical characteristics and the mechanical behavior of home position observation clamping sample." still, this patent deficiency is the device complexity, manufacturing cost is high, and maintenance difficult is difficult for popularizing.In addition, this patent is only applicable to fiber or membrane material, and is then inapplicable for sheet metal sample commonly used.
The utility model content
The utility model is at above-mentioned deficiency of the prior art, a kind of stretching device that the metal deformation in-situ dynamic observes that is used for is provided, make it be implemented in microscopically easily, observe and write down the evolution process of microstructure in the metal material dynamic tensile process in situ.
The utility model is achieved through the following technical solutions, the utility model comprises: framework, slide block, leading screw, breakout box, deflection is measured device, stationary installation, pressure transducer, annexation is: slide block is located on the leading screw, two sides of slide block cooperate with the inner groove surface of framework, leading screw one end is provided with breakout box, the leading screw other end is provided with a pressure transducer, on framework or specimen surface deflection be housed measure device, one end and the upper end of slide block of framework all are provided with stationary installation, stationary installation is fixed on sample one end on the framework, with the sample other end be fixed on sliding fast on.
Described stationary installation is draw-in groove or pin, and draw-in groove is used to place tensile sample, and pin is used for fixing tensile sample.
Described deflection is measured device, is rule, is responsible for reading the deflection of sample.
Described deflection is measured device, is foil gauge and dependent variable display device, is responsible for reading the dependent variable of sample.
Described slide block has threaded, and slide block is screwed on the leading screw.
Described pressure transducer is responsible for reading the pressure of leading screw to framework one end inner groove surface.
During the utility model work, leading screw is screwed in framework and slide block, pressure transducer is installed in the leading screw end, then sample one end being fixed on the slide block with stationary installation, the sample other end is fixed on the framework, use motor or manual operation connector rotational lead screw, slide and under the effect of leading screw, sample is stretched soon, and pressure transducer is subjected to the extruding of leading screw and framework one end inner groove surface, pressure transducer is read the suffered pulling force of sample, deflection is measured device and is obtained the deformation quantity that sample produced, and when obtaining to require deflection under certain strain rate, can carry out microstructure observation to specimen surface at microscopically.
Compared with prior art, the utlity model has following beneficial effect: the utility model is measured device by deflection and is directly obtained deformation quantity, it is stressed that pressure transducer is directly read test specimen institute, so the utility model is simple in structure, convenience is mobile, cheap, easy to operate, maintenance easily, also can in scanning electron microscope, use simultaneously.The utility model is implemented in the evolution process that microstructure in the metal material dynamic tensile process was observed and write down to microscopically in situ, and is general on various microscopes.
Description of drawings
The structural representation of Fig. 1 embodiment of the invention one;
The structural representation of Fig. 2 embodiment of the invention two.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment one
As shown in Figure 1, present embodiment comprises: framework 1, slide block 2, leading screw 3, breakout box 4, deflection is measured device, stationary installation, pressure transducer 7, deflection measurement device is a rule 5 in the present embodiment, stationary installation is a draw-in groove 6, annexation is: threaded slide block 2 is screwed on the leading screw 3,2 two sides of slide block cooperate with the inner groove surface of framework 1, leading screw 3 one ends are provided with breakout box 4, leading screw 3 other ends are provided with a pressure transducer 7, at framework 1 upper surface rule 5 is housed, one end of framework 1 and slide block 2 upper ends are respectively equipped with draw-in groove 6, and sample one end is fixed in the draw-in groove 6 on the framework 1, and the sample other end is fixed in the draw-in groove 6 on sliding fast 2.
Described rule 5 is responsible for reading the displacement that sample is stretched.
Described slide block 2 has threaded, and slide block 2 is screwed on the leading screw 3.
Described pressure transducer 7 is responsible for reading the pressure of 3 pairs of framework 1 one end inner groove surfaces of leading screw.
During the utility model work, leading screw 3 is screwed in framework 1 and slide block 2, pressure transducer 7 is installed in leading screw 3 ends, then sample one end is fixed in the draw-in groove 6 on the slide block 2, the other end is fixed in the draw-in groove 6 on the framework 1, use motor or manual operation connector 4 rotational lead screws 3, sliding fast 2 stretch to sample under the effect of leading screw 3, and pressure transducer 7 is subjected to the extruding of leading screw 3 and framework 1 one end inner groove surfaces, pressure transducer 7 is read the suffered pulling force of sample, the displacement that rule 5 acquisitions are stretched when obtaining to require deflection, can carry out microstructure observation to specimen surface at microscopically under certain strain rate.
Embodiment two
As shown in Figure 2, present embodiment comprises: framework 1, slide block 2, leading screw 3, breakout box 4, deflection is measured device, stationary installation, pressure transducer 7, deflection measurement device is foil gauge 9 and dependent variable display device 11 in the present embodiment, stationary installation is a pin 10, annexation is: threaded slide block 2 is screwed on the leading screw 3,2 two sides of slide block cooperate with the inner groove surface of framework 1, leading screw 3 one ends are provided with breakout box 4, leading screw 3 other ends are provided with a pressure transducer 7, at specimen surface foil gauge 9 is housed, foil gauge 9 links to each other with dependent variable display device 11, one end of framework 1 and slide block 2 upper ends are respectively equipped with pin 10, pin 10 is fixed on sample 8 one ends on the framework 1, and sample 8 other ends are fixed on sliding fast 2.
Described foil gauge 9 is responsible for measuring the dependent variable of sample, and passes through dependent variable display device 11 demonstration dependent variables.
Described slide block 2 has threaded, is screwed on the leading screw 3.
Described pressure transducer 7 is responsible for reading the pressure of 3 pairs of framework 1 one end inner groove surfaces of leading screw.
During the utility model work, leading screw 3 is screwed in framework 1 and slide block 2, pressure transducer 7 is installed in leading screw 3 ends, with pin 10 sample 8 one ends are fixed on the slide block 2 then, the other end is fixed on the framework 1, use motor or manual operation connector 4 rotational lead screws 3, sliding fast 2 stretch to sample 8 under the effect of leading screw 3, and pressure transducer 7 is subjected to the extruding of leading screw 3 and framework 1 one end inner groove surfaces, pressure transducer 7 is read the suffered pulling force of sample, foil gauge 9 and dependent variable display device 11 are responsible for reading the dependent variable that sample is stretched, when under certain strain rate, obtaining to require deflection, can carry out microstructure observation to specimen surface at microscopically.
The device of present embodiment on microscope be general, simple in structure, convenient mobile, cheap, easy to operate, maintenance easily, the while also can use in scanning electron microscope.
Claims (5)
1. one kind is used for the stretching device that the metal deformation in-situ dynamic observes, comprise deflection measurement device, pressure transducer, it is characterized in that, also comprise: framework, slide block, leading screw, breakout box, stationary installation, annexation is: slide block is located on the leading screw, two sides of slide block cooperate with the inner groove surface of framework, leading screw one end is provided with breakout box, the leading screw other end is provided with a pressure transducer, on framework or specimen surface deflection be housed measure device, one end and the upper end of slide block of framework all are provided with stationary installation, and stationary installation is fixed on sample one end on the framework, with the sample other end be fixed on sliding fast on.
2. according to claim 1ly be used for the stretching device that the metal deformation in-situ dynamic observes, it is characterized in that described slide block has threaded, slide block is screwed on the leading screw.
3. according to claim 1ly be used for the stretching device that the metal deformation in-situ dynamic observes, it is characterized in that described stationary installation is draw-in groove or pin.
4. according to claim 1ly be used for the stretching device that the metal deformation in-situ dynamic observes, it is characterized in that described deflection is measured device, is rule.
5. according to claim 1ly be used for the stretching device that the metal deformation in-situ dynamic observes, it is characterized in that described deflection is measured device, is foil gauge and dependent variable display device,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200755276U CN201083658Y (en) | 2007-10-18 | 2007-10-18 | Stretching apparatus for metal deformation in situ dynamic observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200755276U CN201083658Y (en) | 2007-10-18 | 2007-10-18 | Stretching apparatus for metal deformation in situ dynamic observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083658Y true CN201083658Y (en) | 2008-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200755276U Expired - Lifetime CN201083658Y (en) | 2007-10-18 | 2007-10-18 | Stretching apparatus for metal deformation in situ dynamic observation |
Country Status (1)
| Country | Link |
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| CN (1) | CN201083658Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105510A (en) * | 2013-01-31 | 2013-05-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sample stretching device used for being matched with atomic force microscope (AFM) |
| CN103116039A (en) * | 2013-01-31 | 2013-05-22 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sampling compressing device used with atomic force microscopes |
| CN103234813A (en) * | 2013-04-28 | 2013-08-07 | 北京科技大学 | Sample for parallel-force continuous self-loading device and testing method of sample |
| CN103278661A (en) * | 2013-05-14 | 2013-09-04 | 北京科技大学 | Parallel force continuous self loading compression device sample |
| CN103353275A (en) * | 2013-07-09 | 2013-10-16 | 长沙理工大学 | Arc-shaped large-measuring-range deformeter for geotechnical reinforcement |
| CN104913866A (en) * | 2015-06-17 | 2015-09-16 | 上海大学 | Method of assisting ray diffraction method to measure residual stress of thin plate, device and applications |
| CN105954129A (en) * | 2016-07-04 | 2016-09-21 | 湖南瀚德微创医疗科技有限公司 | Fatigue performance testing device for laparoscopic surgical forceps |
| CN106840907A (en) * | 2017-01-20 | 2017-06-13 | 西华大学 | A kind of reliability test system of controllable metal test block stress state |
| CN109884098A (en) * | 2019-04-02 | 2019-06-14 | 中国石油大学(北京) | A kind of in-situ stretching device and experimental method for X-ray grazing-incidence diffraction |
| WO2021120387A1 (en) * | 2019-12-20 | 2021-06-24 | 清华大学 | Material dynamic measurement method and axial vibration measurement system |
-
2007
- 2007-10-18 CN CNU2007200755276U patent/CN201083658Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105510A (en) * | 2013-01-31 | 2013-05-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sample stretching device used for being matched with atomic force microscope (AFM) |
| CN103116039A (en) * | 2013-01-31 | 2013-05-22 | 上海纳米技术及应用国家工程研究中心有限公司 | Film sampling compressing device used with atomic force microscopes |
| CN103105510B (en) * | 2013-01-31 | 2015-10-28 | 上海纳米技术及应用国家工程研究中心有限公司 | The supporting film sample stretching device of atomic force microscope |
| CN103116039B (en) * | 2013-01-31 | 2015-09-09 | 上海纳米技术及应用国家工程研究中心有限公司 | The supporting film sample compression set of atomic force microscope |
| CN103234813B (en) * | 2013-04-28 | 2015-06-10 | 北京科技大学 | Sample for parallel-force continuous self-loading device and testing method of sample |
| CN103234813A (en) * | 2013-04-28 | 2013-08-07 | 北京科技大学 | Sample for parallel-force continuous self-loading device and testing method of sample |
| CN103278661B (en) * | 2013-05-14 | 2015-06-10 | 北京科技大学 | Parallel force continuous self loading compression device sample |
| CN103278661A (en) * | 2013-05-14 | 2013-09-04 | 北京科技大学 | Parallel force continuous self loading compression device sample |
| CN103353275A (en) * | 2013-07-09 | 2013-10-16 | 长沙理工大学 | Arc-shaped large-measuring-range deformeter for geotechnical reinforcement |
| CN104913866A (en) * | 2015-06-17 | 2015-09-16 | 上海大学 | Method of assisting ray diffraction method to measure residual stress of thin plate, device and applications |
| CN105954129A (en) * | 2016-07-04 | 2016-09-21 | 湖南瀚德微创医疗科技有限公司 | Fatigue performance testing device for laparoscopic surgical forceps |
| CN105954129B (en) * | 2016-07-04 | 2018-11-20 | 湖南瀚德微创医疗科技有限公司 | A kind of fatigue property test device of surgical forceps for abdominoscope |
| CN106840907A (en) * | 2017-01-20 | 2017-06-13 | 西华大学 | A kind of reliability test system of controllable metal test block stress state |
| CN109884098A (en) * | 2019-04-02 | 2019-06-14 | 中国石油大学(北京) | A kind of in-situ stretching device and experimental method for X-ray grazing-incidence diffraction |
| WO2021120387A1 (en) * | 2019-12-20 | 2021-06-24 | 清华大学 | Material dynamic measurement method and axial vibration measurement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NATIONAL ENGINEERING RESEARCH CENTER OF LIGHT ALLO Free format text: FORMER OWNER: SHANGHAI JIAOTONG UNIV. Effective date: 20090605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090605 Address after: Nine, Jing Jing Lu, Songjiang hi tech park, Shanghai, 1501: 201615 Patentee after: Shanghai Light Alloy Net Forming National Engineering Research Center Co., Ltd. Address before: No. 800, Dongchuan Road, Shanghai, Minhang District: 200240 Patentee before: Shanghai Jiao Tong University |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |
|
| CX01 | Expiry of patent term |