CN113607584A - Nano-indentator test sample high-temperature heating device - Google Patents
Nano-indentator test sample high-temperature heating device Download PDFInfo
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- CN113607584A CN113607584A CN202111168062.XA CN202111168062A CN113607584A CN 113607584 A CN113607584 A CN 113607584A CN 202111168062 A CN202111168062 A CN 202111168062A CN 113607584 A CN113607584 A CN 113607584A
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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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
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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
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
Abstract
The invention discloses a high-temperature heating device for a test sample of a nano-indenter, and relates to the technical field of nano-indenter tests. According to the invention, by arranging the laser, the tip of the indentation head and the sample to be tested can be heated by utilizing the laser beam emitted by the emitting head, the laser beam is irradiated on the designated position for heating and warming, and the heating temperature is detected in real time by utilizing the top infrared temperature measuring head and the bottom infrared temperature measuring head, so that the purpose of reducing energy consumption and rapidly and locally warming is achieved, the internal heat loss can be reduced after the vacuum pump is vacuumized, the gas can be automatically discharged from the ventilation hole by utilizing the air pressure change caused by warming in the initial heating stage by arranging the gas replacement groove, and the working time of the vacuum pump is reduced.
Description
Technical Field
The invention relates to the technical field of nano-indentation testing, in particular to a high-temperature heating device for a test sample of a nano-indentation tester.
Background
The working conditions of various materials and products thereof during service are very complex, and the mechanical properties of the materials and the products thereof are usually changed along with the complex action of a physical field. For example, in recent years, materials such as high-temperature alloys and ceramics which are increasingly widely applied in the fields of microelectronics, aerospace, optoelectronics, nano engineering and the like have very high actual working temperature, the traditional material mechanical property testing method cannot meet the actual requirements in terms of testing precision and testing capacity, and moreover, some conventional materials have mechanical behavior change in a high-temperature environment, and mechanical property testing experiments are also required to be carried out on the conventional materials in the high-temperature environment so as to obtain the rule of influence of temperature on the mechanical property of the conventional materials, so that the design and manufacture of the materials and products thereof are guided, and accidents or loss caused by the conventional materials are difficult to estimate.
At present, the temperature field is provided through the heating platform to the present most high temperature indentation instrument, but because the heating platform provides open heating environment, not only can't provide good heating environment for test piece and pressure head like this, heat transfer is also very fast between test piece and pressure head and the air after the heating, can't guarantee that the difference in temperature is enough little between pressure head and the test piece two, in case the two contacts just there is heat transfer like this, will arouse the two inflation and shrink from this, will cause displacement and measuring signal of power to have the skew phenomenon to take place finally, this will lead to measured data inaccurate, need the later stage to check experimental data and handle, with the error that the hot drift brought that disappears, bring unnecessary work burden.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-temperature heating device for a test sample of a nanoindenter, which has the advantages of effectively reducing temperature difference, quickly heating and the like, and solves the problems in the background art.
(II) technical scheme
In order to achieve the purposes of effectively reducing temperature difference and quickly heating, the invention provides the following technical scheme: the nano-indentator test sample high-temperature heating device comprises a supporting table, wherein a vertical plate is fixedly connected to one side of the top of the supporting table, an oil pump box is fixedly connected to one side of the front side face of the vertical plate, a heating cylinder is fixedly connected to the bottom of the oil pump box, a hydraulic rod is fixedly connected to the inner top wall of the heating cylinder, an indentation head is fixedly connected to the movable end of the hydraulic rod, a heating cavity is formed in the bottom of the heating cylinder, a laser is fixedly connected to the bottom of the inner wall of the heating cavity, a mounting plate is fixedly connected to one side face of the laser, emitting heads are fixedly connected to the top and the bottom of the mounting plate, a top infrared temperature measuring head matched with the indentation head is fixedly connected to the inner wall of the heating cavity, and a bottom infrared temperature measuring head matched with an objective table is fixedly connected to the bottom of the heating cylinder; the air exchange device is characterized in that an air exchange groove is formed in one side of the bottom of the supporting table, an air exchange ring is movably connected to the inner wall of the air exchange groove through a bottom bearing, a toggle column is fixedly connected to the inner wall of the air exchange ring, a tension spring is fixedly connected to the top wall of the air exchange groove, an air release cylinder is fixedly connected to the bottom of the tension spring, a toggle groove is formed in the outer side wall of the air release cylinder, a movable groove matched with the toggle column is formed in the top of the toggle groove, an air exchange hole is formed in the top wall of the air exchange groove, a connecting rod is fixedly connected to the inner bottom wall of the air release cylinder, and a sealing hemisphere matched with the air exchange hole is fixedly connected to the top of the connecting rod; the middle of the top of the supporting table is fixedly connected with a sliding table, the top of the sliding table is provided with a moving table, the middle of the top of the moving table is fixedly connected with an object stage, two sides of the top of the moving table are fixedly connected with side plates, the side surface of the object stage is movably connected with a threaded rod through a side bearing, one end of the threaded rod penetrates through the side plates and is fixedly connected with an adjusting column, and the middle of the threaded rod is in threaded connection with a clamping plate; and the top edge of the supporting table is fixedly connected with a sealing ring.
Preferably, the bottom of the outer side surface of the ventilation ring is fixedly connected with a plurality of anti-slip columns which are distributed in an annular array at the bottom of the side surface of the ventilation ring.
Preferably, the bottom fixedly connected with socle of brace table, the socle has four, four the socle is the rectangular array distribution in the bottom four corners of brace table, the bottom fixedly connected with rubber pad of socle.
Preferably, the other side of the front side of the vertical plate is fixedly connected with a connecting ring, the middle of the connecting ring is fixedly connected with a lens barrel, the bottom of the lens barrel is movably connected with a rotating disc, and the bottom of the rotating disc is fixedly connected with a lens.
Preferably, the sealing washer comprises external seal circle and inside sealing washer, the cross sectional shape of external seal circle and inside sealing washer is the A font, the bottom fixed connection of external seal circle and inside sealing washer, form the V font groove between external seal circle and the inside sealing washer.
Preferably, the inside of oil pump case is provided with the hydraulic oil pump, the top fixedly connected with of oil pump case and the hydraulic oil tank of hydraulic oil pump looks adaptation, the hydraulic stem passes through hydraulic oil pipe and hydraulic oil pump intercommunication, hydraulic oil pipe's middle part is provided with the control valve.
Preferably, the inner side surface of the clamping plate is provided with a clamping opening, the clamping opening is V-shaped, a polished rod is fixedly connected between the two side plates, and the clamping plate is provided with a round hole matched with the polished rod.
Preferably, a rectangular groove is formed between the bottom of the sliding table and the top wall of the supporting table, an air pumping hole is formed in the middle of the top of the supporting table, and a vacuum pump matched with the air pumping hole is fixedly connected to the middle of the bottom of the supporting table.
Preferably, the equal fixedly connected with joint piece in bottom both sides of mobile station, the sliding tray with joint piece looks adaptation is all seted up to the top both sides of sliding tray, the length of joint piece equals the length of mobile station, the length of sliding tray is greater than the length of mobile station.
(III) advantageous effects
Compared with the prior art, the invention provides a high-temperature heating device for a test sample of a nanoindenter, which has the following beneficial effects:
1. this nanoindentor test sample high temperature heating device, through setting up the laser instrument, can utilize the laser beam of transmission head transmission to heat the pointed end of indentation head and the examination style that awaits measuring, heats the intensification through shining the laser beam at the assigned position to utilize top infrared temperature measuring head and bottom infrared temperature measuring head real-time detection heating temperature, reach the purpose that reduces the quick local intensification of power consumption.
2. This nanoindentor test sample high temperature heating device, through setting up the sealing washer, after sealed glass shroud is at the top of brace table, can be sealed the bottom of sealed glass cover through the cooperation between external seal circle and the inside sealing washer, can reduce inside heat loss after the evacuation through the vacuum pump, can slow down the heat again when reducing the power consumption and scatter and disappear.
3. This nanoindentor test sample high temperature heating device through establishing the replacement gas groove, can utilize the atmospheric pressure change that the intensification arouses to make gas from the breather hole automatic discharge at the heating initial stage, reduces the operating time of vacuum pump, reduces the power consumption, rotates the breather ring simultaneously and can make the gassing section of thick bamboo move down again and take a breath, reaches the purpose of being convenient for open sealed glass cover.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic bottom perspective view of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at B according to the present invention;
FIG. 5 is a cross-sectional view of a threaded rod of the present invention;
FIG. 6 is a schematic sectional view of a heating cartridge according to the present invention;
FIG. 7 is a schematic cross-sectional view of a venting ring according to the present invention;
FIG. 8 is a perspective view of the air outlet tube of the present invention;
fig. 9 is a schematic cross-sectional view of a seal ring according to the present invention.
In the figure: 1. a hydraulic oil tank; 2. a vertical plate; 3. an oil pump tank; 4. a heating cylinder; 5. adjusting the column; 6. a clamping block; 7. a mobile station; 8. a socle; 9. a support table; 10. a seal ring; 11. a sliding groove; 12. a sliding table; 13. a lens; 14. rotating the disc; 15. a connecting ring; 16. a lens barrel; 17. an object stage; 18. a clamping plate; 19. a clamping opening; 20. a threaded rod; 21. a polish rod; 22. a side plate; 23. a vacuum pump; 24. a venting ring; 25. an anti-slip column; 26. an air discharge cylinder; 27. a side bearing; 28. a heating cavity; 29. a top infrared temperature measuring head; 30. a laser; 31. a bottom infrared temperature measuring head; 32. a hydraulic lever; 33. an indentation head; 34. a ventilation groove; 35. a ventilation hole; 36. sealing the hemisphere; 37. a connecting rod; 38. tensioning the spring; 39. a bottom bearing; 40. shifting the column; 41. a poking groove; 42. a movable groove; 43. an outer seal ring; 44. an inner seal ring; 45. mounting a plate; 46. and a transmitting head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a high temperature heating device for a nano-indenter test sample comprises a support table 9, four stilts 8 are fixedly connected to the bottom of the support table 9, the stilts 8 are four stilts 8 and are distributed in a rectangular array at four corners of the bottom of the support table 9, a rubber pad is fixedly connected to the bottom of the stilts 8, a vertical plate 2 is fixedly connected to one side of the top of the support table 9, an oil pump box 3 is fixedly connected to one side of the front side of the vertical plate 2, a heating cylinder 4 is fixedly connected to the bottom of the oil pump box 3, a hydraulic rod 32 is fixedly connected to the inner top wall of the heating cylinder 4, an indentation head 33 is fixedly connected to the movable end of the hydraulic rod 32, a heating cavity 28 is formed at the bottom of the heating cylinder 4, a laser 30 is fixedly connected to the bottom of the inner wall of the heating cavity 28, a mounting plate 45 is fixedly connected to one side of the laser 30, and emitting heads 46 are fixedly connected to the top and the bottom of the mounting plate 45, the inner wall of the heating cavity 28 is fixedly connected with a top infrared temperature measuring head 29 matched with the indentation head 33, the bottom of the heating cylinder 4 is fixedly connected with a bottom infrared temperature measuring head 31 matched with the objective table 17, a hydraulic oil pump is arranged inside the oil pump box 3, the top of the oil pump box 3 is fixedly connected with a hydraulic oil tank 1 matched with the hydraulic oil pump, a hydraulic rod 32 is communicated with the hydraulic oil pump through a hydraulic oil pipe, and the middle part of the hydraulic oil pipe is provided with a control valve; the other side of the front side of the vertical plate 2 is fixedly connected with a connecting ring 15, the middle part of the connecting ring 15 is fixedly connected with a lens barrel 16, the bottom of the lens barrel 16 is movably connected with a rotating disc 14, the bottom of the rotating disc 14 is fixedly connected with a lens 13, one side of the bottom of the supporting table 9 is provided with a ventilation groove 34, the inner wall of the ventilation groove 34 is movably connected with a ventilation ring 24 through a bottom bearing 39, the bottom of the outer side surface of the ventilation ring 24 is fixedly connected with anti-skid columns 25, the anti-skid columns 25 are distributed in an annular array at the bottom of the side surface of the ventilation ring 24, the inner wall of the ventilation ring 24 is fixedly connected with a toggle column 40, the top wall of the ventilation groove 34 is fixedly connected with a tensioning spring 38, the bottom of the tensioning spring 38 is fixedly connected with an air discharge cylinder 26, the outer side wall of the air discharge cylinder 26 is provided with a toggle groove 41, the top of the toggle groove 41 is provided with a movable groove 42 matched with the toggle column 40, and the top wall of the ventilation groove 34 is provided with a ventilation hole 35, the inner bottom wall of the air discharge cylinder 26 is fixedly connected with a connecting rod 37, and the top of the connecting rod 37 is fixedly connected with a sealing hemisphere 36 matched with the ventilation hole 35; a sliding table 12 is fixedly connected to the middle of the top of the supporting table 9, a rectangular groove is formed between the bottom of the sliding table 12 and the top wall of the supporting table 9, an air exhaust port is formed in the middle of the top of the supporting table 9, a vacuum pump 23 matched with the air exhaust port is fixedly connected to the middle of the bottom of the supporting table 9, a mobile table 7 is arranged at the top of the sliding table 12, clamping blocks 6 are fixedly connected to both sides of the bottom of the mobile table 7, sliding grooves 11 matched with the clamping blocks 6 are formed in both sides of the top of the sliding table 12, the length of the clamping blocks 6 is equal to that of the mobile table 7, the length of the sliding grooves 11 is greater than that of the mobile table 7, an objective table 17 is fixedly connected to the middle of the top of the mobile table 7, side plates 22 are fixedly connected to both sides of the top of the mobile table 7, a threaded rod 20 is movably connected to the side surfaces of the objective table 17 through side bearings 27, one end of the threaded rod 20 penetrates through the side plates 22 and is fixedly connected with an adjusting column 5, the middle part of the threaded rod 20 is in threaded connection with a clamping plate 18, the inner side surface of the clamping plate 18 is provided with a clamping opening 19, the clamping opening 19 is V-shaped, a polished rod 21 is fixedly connected between two side plates 22, and the clamping plate 18 is provided with a round hole matched with the polished rod 21; the top edge of the supporting table 9 is fixedly connected with a sealing ring 10, the sealing ring 10 is composed of an outer sealing ring 43 and an inner sealing ring 44, the cross sections of the outer sealing ring 43 and the inner sealing ring 44 are both in an A shape, the bottoms of the outer sealing ring 43 and the inner sealing ring 44 are fixedly connected, and a V-shaped groove is formed between the outer sealing ring 43 and the inner sealing ring 44.
When the device is used, firstly, a pattern to be detected is placed at the top of an object stage 17, the threaded rod 20 is rotated by rotating the adjusting column 5, the pattern to be detected is clamped by utilizing the clamping opening 19 on the inner side surface of the clamping plate 18, then the mobile station 7 is moved to the lower part of the heating cylinder 4, the bottom of the sealing glass cover is placed between the outer sealing ring 43 and the inner sealing ring 44 and pressed downwards with force, then the laser 30 is electrified for heating, the multi-beam laser simultaneously heats the indentation head 33 and the pattern to be detected, the pressure in the sealing glass cover is increased due to the rising temperature of the indentation head 33 and the pattern to be detected during heating, the column 40 is shifted to enter the inner part of the movable groove 42 after overcoming the tensile force of the tensioning spring 38, the position of the air exhaust cylinder 26 pushes the sealing hemisphere 36 open to discharge redundant gas, and when the preset temperature is about to be reached is detected by the top infrared temperature measuring head 29 and the bottom infrared temperature measuring head 31, the vacuum pump 23 is used for pumping air out, so that the indentation head 33 and the pattern to be detected are in a vacuum environment, the effect that the temperature difference between the indentation head 33 and the pattern to be detected is large due to different heat dissipation rates after heating is stopped is prevented, after the hydraulic rod 32 extends to generate an indentation, due to the vacuum state in the sealed glass cover, the toggle column 40 can slide in the toggle groove 41 by rotating the vent ring 24 through the anti-slip column 25, the position of the air exhaust cylinder 26 is lowered, the vent hole 35 is opened to enable external air to enter, and then the sealed glass cover can be easily opened.
In conclusion, the nano-indenter test sample high-temperature heating device can utilize the laser beam emitted by the emitting head 46 to heat the tip of the indenter 33 and the sample to be tested by arranging the laser 30, heat and raise the temperature by irradiating the laser beam at the designated position, and utilize the top infrared temperature measuring head 29 and the bottom infrared temperature measuring head 31 to detect the heating temperature in real time, thereby achieving the purpose of reducing energy consumption and rapidly raising the temperature locally, after the sealing glass covers the top of the support platform 9 by arranging the sealing ring 10, the bottom of the sealing glass cover can be sealed by the matching between the external sealing ring 43 and the internal sealing ring 44, the internal heat loss can be reduced after the vacuum pump 23 is vacuumized, the energy consumption can be reduced, the heat loss can be slowed down, and the gas can be automatically discharged from the ventilation hole 35 by utilizing the air pressure change caused by the temperature rise at the initial heating stage by arranging the gas replacement groove 34, the working time of the vacuum pump 23 is reduced, the energy consumption is reduced, and simultaneously, the air discharge cylinder 26 can be moved downwards for air exchange by rotating the air vent ring 24, so that the aim of conveniently opening the sealed glass cover is fulfilled.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Nano indentator test sample high temperature heating device, including brace table (9), its characterized in that: top one side fixedly connected with riser (2) of brace table (9), leading flank one side fixedly connected with oil pump case (3) of riser (2), bottom fixedly connected with cartridge heater (4) of oil pump case (3), interior roof fixedly connected with hydraulic stem (32) of cartridge heater (4), expansion end fixedly connected with indentation head (33) of hydraulic stem (32), heating chamber (28) has been seted up to the bottom of cartridge heater (4), inner wall bottom fixedly connected with laser instrument (30) of heating chamber (28), a side fixedly connected with mounting panel (45) of laser instrument (30), the equal fixedly connected with emitter (46) in top and the bottom of mounting panel (45), the infrared temperature measurement head (29) of top of inner wall fixedly connected with and indentation head (33) looks adaptation of heating chamber (28), the bottom fixedly connected with of cartridge heater (4) and the infrared temperature measurement head (29) in bottom of objective table (17) looks adaptation (31) (ii) a An air exchange groove (34) is arranged on one side of the bottom of the supporting platform (9), the inner wall of the air exchange groove (34) is movably connected with an air vent ring (24) through a bottom bearing (39), the inner wall of the ventilation ring (24) is fixedly connected with a toggle column (40), the top wall of the ventilation groove (34) is fixedly connected with a tension spring (38), the bottom of the tension spring (38) is fixedly connected with an air discharge cylinder (26), the outer side wall of the air discharge cylinder (26) is provided with a toggle groove (41), the top of the toggle groove (41) is provided with a movable groove (42) matched with the toggle column (40), the top wall of the ventilation groove (34) is provided with a ventilation hole (35), the inner bottom wall of the air release cylinder (26) is fixedly connected with a connecting rod (37), the top of the connecting rod (37) is fixedly connected with a sealing hemisphere (36) matched with the ventilating hole (35); the middle of the top of the supporting table (9) is fixedly connected with a sliding table (12), the top of the sliding table (12) is provided with a moving table (7), the middle of the top of the moving table (7) is fixedly connected with an objective table (17), two sides of the top of the moving table (7) are fixedly connected with side plates (22), the side surface of the objective table (17) is movably connected with a threaded rod (20) through a side bearing (27), one end of the threaded rod (20) penetrates through the side plates (22) and is fixedly connected with an adjusting column (5), and the middle of the threaded rod (20) is in threaded connection with a clamping plate (18); and the top edge of the support table (9) is fixedly connected with a sealing ring (10).
2. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: the anti-skidding column structure is characterized in that anti-skidding columns (25) are fixedly connected to the bottom of the outer side face of the ventilation ring (24), the anti-skidding columns (25) are distributed in an annular array mode on the bottom of the side face of the ventilation ring (24).
3. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: the bottom fixedly connected with socle (8) of brace table (9), socle (8) have four, four socle (8) are the rectangular array distribution in the bottom four corners of brace table (9), the bottom fixedly connected with rubber pad of socle (8).
4. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: the other side of the front side face of the vertical plate (2) is fixedly connected with a connecting ring (15), the middle of the connecting ring (15) is fixedly connected with a lens barrel (16), the bottom of the lens barrel (16) is movably connected with a rotating disc (14), and the bottom of the rotating disc (14) is fixedly connected with a lens (13).
5. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: sealing washer (10) comprise external seal circle (43) and inside sealing washer (44), the cross sectional shape of external seal circle (43) and inside sealing washer (44) is the A font, the bottom fixed connection of external seal circle (43) and inside sealing washer (44), form the V font groove between external seal circle (43) and the inside sealing washer (44).
6. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: the inside of oil pump case (3) is provided with the hydraulic oil pump, the top fixedly connected with of oil pump case (3) and hydraulic oil tank (1) of hydraulic oil pump looks adaptation, hydraulic stem (32) are through hydraulic oil pipe and hydraulic oil pump intercommunication, hydraulic oil pipe's middle part is provided with the control valve.
7. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: clamping mouth (19) have been seted up to the medial surface of clamp plate (18), clamping mouth (19) are the V font, two fixedly connected with polished rod (21) between curb plate (22), set up the round hole with polished rod (21) looks adaptation on clamp plate (18).
8. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: a rectangular groove is formed between the bottom of the sliding table (12) and the top wall of the supporting table (9), an air suction opening is formed in the middle of the top of the supporting table (9), and a vacuum pump (23) matched with the air suction opening is fixedly connected to the middle of the bottom of the supporting table (9).
9. The nanoindenter test specimen high-temperature heating apparatus according to claim 1, characterized in that: the equal fixedly connected with joint piece (6) in bottom both sides of mobile station (7), sliding tray (11) with joint piece (6) looks adaptation is all seted up to the top both sides of sliding stand (12), the length of joint piece (6) equals the length of mobile station (7), the length of sliding tray (11) is greater than the length of mobile station (7).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117213995A (en) * | 2023-09-21 | 2023-12-12 | 西安交通大学 | Marine environment high-temperature mechanical property test system based on laser array |
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