CN110927188B - Heating target device for light gas gun loading experiment and using method thereof - Google Patents
Heating target device for light gas gun loading experiment and using method thereof Download PDFInfo
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- CN110927188B CN110927188B CN201911301293.6A CN201911301293A CN110927188B CN 110927188 B CN110927188 B CN 110927188B CN 201911301293 A CN201911301293 A CN 201911301293A CN 110927188 B CN110927188 B CN 110927188B
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Abstract
The invention relates to the technical field of impact compression, in particular to a heating target device for a light gas gun loading experiment and a using method thereof. The heating target device provided by the invention meets the high-temperature experiment requirement of the light gas gun experiment, the main body structure of the target device is made of Q235 steel, the deformation of the target device under high temperature and several megapascals impact pressure is controllable, the sealing property and the stability of the target device in the high-temperature experiment process are ensured, and the heating target device has important significance for the heating loading experiment research of the light gas gun.
Description
Technical Field
The invention relates to the technical field of impact compression, in particular to a heating target device for a light gas gun loading experiment and a using method thereof.
Background
High-voltage science and technology are emerging subjects in an accelerated development stage. Most of the condensed substances in the universe are under high pressure. Under the extreme condition of ultrahigh pressure, the atom/molecule distance in condensed substances is shortened, the interaction is obviously enhanced, electrons in the inner layer of atoms can participate in bonding, the original structure can be damaged, the structural phase change, the physical property change (the electromagnetic interaction state is changed) and the strong interaction between nuclei (nuclear reaction) are caused, and new materials are synthesized, even new physical phenomena appear. Therefore, the behavior research of substances under extreme conditions such as ultrahigh pressure is regarded as the research field which is most likely to make major scientific breakthrough in the future, and the method can be widely applied to the fields of national defense, new energy, new materials, geoscience, planetary science, chemistry, condensed state physics, biomedicine and the like. The most classical example of the application in the field of materials is the high-temperature and high-pressure synthesis of superhard materials such as artificial diamond and cubic boron nitride.
The high-pressure science and the technical field are divided into dynamic high pressure and static high pressure according to experimental conditions. The dynamic ultrahigh pressure technology is to obtain instantaneous high pressure in a sample by using shock wave as power, and the value of the dynamically generated high pressure can reach several million or even several tens of millions of atmospheric pressures, and simultaneously, the temperature is suddenly increased. In a dynamic high-pressure loading mode, a gas gun loading technology is the most common technology at present, and corresponding targets are manufactured for different materials and different exploration purposes during research. The target is an impact target in the loading process of the gas cannon, namely a research object.
Among the loaded target device of current light gas gun, by the high-temperature high-pressure physics institute's of southwest transportation university fan inning, waning height etc. design the low temperature target device of light gas gun loading experiment, including sample storehouse, low-temperature chamber, connecting pipe and observation room, the device can play fine cooling effect including the sample to whole experimental apparatus, realizes satisfying the light gas gun loading experiment requirement under the low temperature. However, the device can only perform experiments under low temperature conditions, but cannot perform experiments under high temperature conditions. To compensate for this deficiency, the present patent designs a heating target that meets the requirements of the study of the properties of the material at high temperature and high pressure, and further extends the temperature range that can be studied.
Therefore, the heating target device provided by the invention has the advantages of simple structure, high heating temperature and convenience in use, and can be used for normally carrying out a light gas gun loading experiment on a sample in a high-temperature state.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a heating target device for a light gas gun loading experiment and a using method thereof, meets the high-temperature experiment requirement of the light gas gun experiment, selects corresponding experiment temperature, raises the sample temperature in a sample bin of the target device to the temperature to be researched within a certain time, and simultaneously makes the main body structure of the target device by adopting Q235 steel, thereby ensuring that the target device can deform under the high-temperature condition of hundreds of even about 1500 ℃ and the impact pressure of several megapascals, ensuring the sealing property and the stability of the target device in the high-temperature experiment process, and having important significance for the heating loading experiment research of the light gas gun.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a target device that heats for light gas big gun loading experiment, includes the outer body of target and detection mechanism, external sample storehouse and the heating chamber of being provided with of target, the heating chamber encircles the sample storehouse setting, the sample storehouse is used for placing the sample that awaits measuring, is provided with the electrical heating unit in the heating chamber, detection mechanism includes window, detecting tube and the fixed station that sets gradually from the left side right side, window, detecting tube set up respectively in the sample storehouse, are provided with the temperature detecting element on the window, the temperature detecting element is used for detecting the temperature in the sample storehouse, is provided with the base plate on the left end inner wall of sample storehouse, and the right-hand member of sample storehouse is provided with the opening, the fixed station includes connecting portion and basal portion that set gradually from the left side right side, connecting portion can dismantle with the opening and be connected, be provided with temperature detection cable hole and measurement cable hole on the fixed station, temperature detection, The connecting part is communicated with the inside of the detection tube, and the measuring cable hole sequentially penetrates through the base part and the connecting part and is communicated with the sample bin.
Further, the electric heating unit comprises a graphite crucible and a resistance wire arranged around the graphite crucible. The graphite crucible has good thermal conductivity and high temperature resistance, so that the graphite crucible has small thermal expansion coefficient, certain strain resistance to rapid heating and rapid cooling, strong corrosion resistance to acid and alkaline solutions and excellent chemical stability in a high-temperature use process.
Furthermore, the resistance wire is an iron-chromium-aluminum electrothermal alloy resistance wire.
Furthermore, a heating cable hole is formed in the side wall of the outer target body, and a resistance wire cable penetrates through the heating cable hole and is connected with the resistance wire. Preferably, one end of the resistance wire cable penetrates through the heating wire cable hole to be connected with the resistance wire, and the other end of the resistance wire cable is connected with the constant current power supply. When the electric heating unit is used, the output current of the constant current power supply is adjusted, so that the current flowing through the heating resistance wire is adjusted, and the heating efficiency and the heating effect of the electric heating unit are controlled.
Further, the power of the constant current power supply ensures that the power of the iron-chromium-aluminum electrothermal alloy resistance wire can reach 48 w. Preferably, the iron-chromium-aluminum electrothermal alloy resistance wire is wound in a side-by-side surrounding mode, so that the influence of a magnetic field in a winding coil on the target body and the metal sample is reduced to be ignored as much as possible.
Further, the side wall of the target outer body is provided with a heat dissipation hole, and the heat dissipation hole is communicated with the heating chamber.
Further, be provided with the external screw thread on the outer wall of connecting portion, be provided with on the open-ended inner wall with external screw thread assorted internal thread, connecting portion and opening threaded connection.
Furthermore, an oil hole is formed in the fixing table, penetrates through the base portion and the connecting portion in sequence, and is communicated with the sample bin.
Furthermore, a detection probe is arranged in the sample bin, and a probe cable penetrates through the measuring cable hole to be connected with the detection probe. Preferably, one end of the probe cable passes through the measuring cable hole to be connected with the detection probe, and the other end of the probe cable is connected with the signal display device.
Further, the detection probe is at least one of an electric probe and an optical probe.
Further, the target outer body comprises an outer barrel and an inner barrel, a front wall plate is arranged at the left end of the outer barrel, a fixing groove is formed in the side wall of the right side of the front wall plate, the fixing groove is detachably connected with the left end of the inner barrel, an annular protruding portion is arranged at the right end of the inner barrel and detachably connected with the inner wall of the right end of the outer barrel, a heating chamber is arranged between the inner barrel and the outer barrel, a sample bin is arranged in the inner barrel, and the sample bin is sealed through a detection mechanism.
Further, the fixed groove is in threaded connection with the left end of the inner barrel.
Further, the heating cable hole and the heat dissipation hole are respectively formed in the wall of the outer barrel.
Furthermore, a heat insulation plate connecting port is arranged on the left side wall of the front wall plate. Preferably, the outer cylinder is integrally provided with the front wall plate, the inner cylinder is integrally provided with the annular protrusion, and the detection pipe, the connection portion, and the base portion are integrally provided.
Further, the diameters of the window and the detection tube are respectively smaller than the diameter of the sample cabin. The diameters of the window and the detection tube are set to be respectively smaller than the diameters of the sample bins, so that the window and the detection tube can freely enter and exit the sample bins, data monitoring can be conveniently carried out on samples, and the samples in the sample bins can be conveniently fixed.
Furthermore, the window and the substrate are made of sapphire materials respectively. The sapphire crystal has high hardness which is 9 Mohs hardness and is next to the hardest diamond; the paint has the characteristics of good light transmission, thermal conductivity, electrical insulation, good mechanical property, wear resistance and wind erosion resistance; the melting point of the sapphire crystal is 2050 ℃, the boiling point is 3500 ℃, the highest working temperature can reach 1900 ℃, and the sapphire crystal is the best insulating material used as a substrate and a window in the heating target.
Further, the window is bonded with the detection tube through ultra-high temperature glue, and the substrate is bonded with the inner wall of the left end of the sample bin through ultra-high temperature glue. Glue to the device through adopting the ultra-temperature glue, avoid under high temperature environment, lead to the colloidal structure to be destroyed because of high temperature, cause the target body shutoff not tight, and then cause the problem production that the target device takes place deformation, improve seal and job stabilization nature of target device under high temperature environment.
Further, the temperature detection unit is an infrared temperature detector.
Furthermore, the left end of the target outer body is provided with a heat insulation plate, and the heat insulation plate is connected with the front wall plate through a heat insulation plate connecting port. Utilize the heat-insulating shield to insulate against heat the target ectosome, prevent the heat and pass through the transmission of target ectosome, effectively guarantee the effective duration of target device in the high temperature environment of experimentation for the target device can be repeated and do many times experiment in effective high temperature time, improves the accuracy and the convenience of experiment, increases the utilization ratio of experiment consumptive material. Preferably, the target outer body, the detection tube, the fixing table and the target holder on the light gas gun of the heating target device are all made of Q235 steel, the heat conducting performance is good, and in order to ensure the high-temperature requirement of the heating target device, a heat insulation plate is arranged at the left end of the target outer body, namely the front end of the heating target device, so that heat is prevented from being transferred through the target outer body.
Furthermore, the Q235 steel material of the target outer body. Preferably, the detection tube and the fixed platform are made of Q235 steel respectively. The Q235 steel material is selected for the target outer body, the detection tube and the fixing table, so that deformation of the target device in a high-temperature environment and under the pressure of several megapascals is guaranteed to be within an expected range, namely, the sealing performance of the target device is guaranteed, and the accuracy of a light gas gun loading test is improved.
Further, the connecting portion is sleeved with a sealing gasket, and the sealing gasket is abutted to the base portion.
Further, the sealing gasket is a steel sealing gasket. Preferably, the sealing gasket is made of carbon steel. In the using process, the target device needs to bear higher pressure and higher temperature, in order to ensure that the target device also keeps good sealing performance under impact, a carbon steel sealing gasket is adopted for sealing the combination part of the target outer body and the detection mechanism, and the sealing gasket made of carbon steel which is easy to compress and deform is utilized, so that the target device has better ductility and good sealing effect; in addition, the expansion coefficients of the target outer body, the detection mechanism and the carbon steel sealing gasket are close, and the falling phenomenon cannot occur in the test impact process; in the high-temperature experiment process, the carbon steel sealing gasket can perfectly play a role in sealing, and the phenomenon of sample leakage cannot be caused.
The use method of the heating target device comprises the following steps: the sample is placed in a sample bin, a detection mechanism is connected with the outer body of the target, two ends of the sample are respectively abutted against a base plate and a window, the detection probe is simultaneously controlled to be abutted against the sample, the sample bin is in a closed environment, then the target device is connected with the light gas gun, an electric heating unit is controlled to work, and the light gas gun loading experiment can be carried out after the environment in the sample bin is heated to a preset temperature.
Further, before the light gas gun loading experiment is carried out, the spare oil hole, the temperature detection cable hole and the measurement cable hole are sealed through ultra-high temperature glue.
Preferably, the ultra-high temperature glue is special glue for the ultra-high temperature carbon fiber felt, can still normally work even in a high-temperature environment and under the high-pressure impact, has good fluidity, has good effect on the bonding between steel and sapphire, and can ensure the sealing property of the target device in an experiment.
Further, during the operation of the electric heating unit, the graphite crucible is preheated, heated to 180-220 ℃ and kept for 30 minutes to remove moisture in the crucible.
And further, before the electric heating unit works, oil is introduced into the sample bin through the oil hole to fill the sample bin. Preferably, the oil liquid is edible oil. By filling the sample cabin with the oil, the ambient temperature in the sample cabin is kept uniform on one hand, and the temperature fluctuation range under constant temperature is reduced on the other hand.
The invention has the beneficial effects that: the heating target device for the light gas gun loading experiment meets the high-temperature experiment requirement of the light gas gun experiment, selects corresponding experiment temperature, raises the sample temperature in the sample bin of the target device to the temperature to be researched within a certain time, and simultaneously, the main body structure of the target device is made of Q235 steel, so that the deformation of the target device can be controlled under the high-temperature condition of hundreds of even 1500 ℃ and the impact pressure of several megapascals, the sealing property and the stability of the target device in the high-temperature experiment process are ensured, and the heating target device has important significance for the light gas gun heating loading experiment research.
Drawings
FIG. 1 is a schematic structural view of a heating target device according to the present invention;
FIG. 2 is a cross-sectional view of a target warming device (hidden electric heating unit) according to the present invention;
FIG. 3 is a cross-sectional view of a target warming device (with the electrical heating unit not hidden) according to the present invention;
FIG. 4 is a cross-sectional view of the outer cartridge of the present invention;
FIG. 5 is a cross-sectional view of the inner barrel and detection mechanism of the present invention;
FIG. 6 is a cross-sectional view of a warming target device of the present invention in use;
in the figure, 1-target outer body, 2-detection mechanism, 3-heating chamber, 4-sample chamber, 5-window, 6-detection tube, 7-connection part, 8-base part, 9-temperature detection unit, 10-base plate, 11-temperature detection cable hole, 12-measurement cable hole, 13-oil hole, 14-graphite crucible, 15-resistance wire, 16-heating cable hole, 17-heat dissipation hole, 18-outer cylinder, 19-inner cylinder, 20-annular projection, 21-front wall plate, 22-fixing groove, 23-heat insulation plate connection port, 24-sample, 25-oil liquid, 26-detection probe.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1 to 5, a heating target device for a light gas gun loading experiment comprises a target outer body 1 and a detection mechanism 2, wherein a sample chamber 4 and a heating chamber 3 are arranged in the target outer body 1, the heating chamber 3 is arranged around the sample chamber 4, the sample chamber 4 is used for placing a sample to be detected, an electric heating unit is arranged in the heating chamber 3, the detection mechanism 2 comprises a window 5, a detection tube 6 and a fixing platform which are sequentially arranged from left to right, the window 5 and the detection tube 6 are respectively arranged in the sample chamber 4, a temperature detection unit 9 is arranged on the window 5, the temperature detection unit 9 is used for detecting the temperature in the sample chamber 4, a base plate 10 is arranged on the inner wall of the left end of the sample chamber 4, an opening is arranged at the right end of the sample chamber 4, the fixing platform comprises a connecting part 7 and a base part 8 which are sequentially arranged from left to right, the connecting part 7 is, the temperature detection cable hole 11 and the measurement cable hole 12 are formed in the fixed platform 8, the temperature detection cable hole 11 penetrates through the base portion 8 and the connecting portion 7 in sequence and is communicated with the interior of the detection tube 6, and the measurement cable hole 12 penetrates through the base portion 8 and the connecting portion 7 in sequence and is communicated with the sample bin 4.
Specifically, the electric heating unit includes a graphite crucible 14 and a resistance wire 15 disposed around the graphite crucible 14. Because the graphite crucible 14 has good thermal conductivity and high temperature resistance, the graphite crucible has small thermal expansion coefficient, certain strain resistance to rapid heating and rapid cooling, strong corrosion resistance to acid and alkaline solutions and excellent chemical stability in the high-temperature use process.
Specifically, the resistance wire 15 is an iron-chromium-aluminum electrothermal alloy resistance wire.
Specifically, a heating cable hole 16 is formed in the side wall of the target outer body 1, and a resistance wire cable penetrates through the heating cable hole 16 and is connected with the resistance wire 15. Preferably, one end of the resistance wire cable passes through the heating wire cable hole 16 to be connected with the resistance wire 15, and the other end of the resistance wire cable is connected with a constant current power supply. When the electric heating unit is used, the output current of the constant current power supply is adjusted, so that the current flowing through the heating resistance wire 15 is adjusted, and the heating efficiency and the heating effect of the electric heating unit are controlled.
Specifically, the power of the constant current power supply is to ensure that the power of the iron-chromium-aluminum electrothermal alloy resistance wire can reach 48 w. Preferably, the iron-chromium-aluminum electrothermal alloy resistance wire is wound around the graphite crucible 14 in a side-by-side encircling manner, so as to reduce the influence of the magnetic field in the winding coil on the target body and the metal sample to be ignored as much as possible.
Specifically, a heat dissipation hole 17 is provided on a side wall of the target outer body 1, and the heat dissipation hole 17 communicates with the heating chamber 3.
Specifically, be provided with the external screw thread on the outer wall of connecting portion 7, be provided with on the open-ended inner wall with external screw thread assorted internal thread, connecting portion 7 and opening threaded connection.
Specifically, the fixing table 8 is provided with an oil hole 13, and the oil hole 13 sequentially penetrates through the base portion 8 and the connecting portion 7 and is communicated with the sample chamber 4.
Specifically, a detection probe 26 is disposed in the sample chamber 4, and a probe cable passes through the measurement cable hole 12 and is connected with the detection probe 26. Preferably, one end of the probe cable is connected to the sensing probe 26 through the measuring cable hole 12, and the other end of the probe cable is connected to the signal display device.
Specifically, the detection probe 26 is at least one of an electrical probe and an optical probe.
Specifically, the target outer body 1 includes an outer cylinder 18 and an inner cylinder 19, a front wall plate 21 is provided at the left end of the outer cylinder 18, a fixing groove 22 is provided on the right side wall of the front wall plate 21, the fixing groove 22 is detachably connected with the left end of the inner cylinder 19, an annular protrusion 20 is provided at the right end of the inner cylinder 19, the annular protrusion 20 is detachably connected with the right end inner wall of the outer cylinder 18, a heating chamber 3 is provided between the inner cylinder 18 and the outer cylinder 19, a sample chamber 4 is provided in the inner cylinder 18, and the sample chamber 4 is sealed by the detection mechanism 2.
Specifically, the fixing groove 22 is threadedly coupled to the left end of the inner cylinder 19.
Specifically, the heating cable hole 16 and the heat dissipation hole 17 are respectively arranged on the wall of the outer cylinder 18.
Specifically, a heat insulation plate connection port 23 is provided on a left side wall of the front wall plate 21. Preferably, the outer cylinder 18 is integrally provided with a front wall plate 21, the inner cylinder 19 is integrally provided with an annular protrusion 20, and the inspection pipe 6, the connection portion 7, and the base portion 8 are integrally provided.
Specifically, the diameters of the window 5 and the detection tube 6 are respectively smaller than the diameter of the sample chamber 4. The diameters of the window 5 and the detection tube 6 are set to be respectively smaller than the diameters of the sample bins 4, so that the window 5 and the detection tube 6 can freely enter and exit the sample bins 4, data monitoring is conveniently carried out on samples, and the samples in the sample bins 4 are conveniently fixed.
Specifically, the window 5 and the substrate 10 are made of sapphire. The sapphire crystal has high hardness which is 9 Mohs hardness and is next to the hardest diamond; the paint has the characteristics of good light transmission, thermal conductivity, electrical insulation, good mechanical property, wear resistance and wind erosion resistance; the sapphire crystal has a melting point of 2050 ℃, a boiling point of 3500 ℃ and a maximum working temperature of 1900 ℃, and is the best insulating material for the substrate 10 and the window 5 in the heating target.
Specifically, the window 5 and the detection tube 6 are bonded through ultra-high temperature glue, and the substrate 10 and the inner wall of the left end of the sample chamber 4 are bonded through ultra-high temperature glue. Glue to the device through adopting the ultra-temperature glue, avoid under high temperature environment, lead to the colloidal structure to be destroyed because of high temperature, cause the target body shutoff not tight, and then cause the problem production that the target device takes place deformation, improve seal and job stabilization nature of target device under high temperature environment.
Specifically, the temperature detection unit 9 is an infrared temperature detector.
Specifically, the left end of the target outer body 1 is provided with a heat insulating plate, and the heat insulating plate is connected to the front wall plate 21 through a heat insulating plate connection port 23. Utilize the heat-insulating shield to insulate against heat target ectosome 1, prevent the heat and pass through the transmission of target ectosome 1, effectively guarantee the effective duration of target device in the high temperature environment of experimentation for the target device can be repeated and do many times experiment in effective high temperature time, improves the accuracy and the convenience of experiment, increases the utilization ratio of experiment consumptive material. Preferably, the target outer body 1, the detection tube 6, the fixing table and the target holder on the light gas gun of the heating target device are all made of Q235 steel, the heat conducting performance is good, and in order to ensure the high temperature requirement of the heating target device, a heat insulation plate is placed at the left end of the target outer body 1, namely the front end of the heating target device, so that heat is prevented from being transferred through the target outer body 1.
Specifically, the target outer body 1 is made of Q235 steel. Preferably, the detection tube 6 and the fixing table are made of Q235 steel respectively. The Q235 steel material is selected for the target outer body 1, the detection tube 6 and the fixing table, so that deformation of the target device in a high-temperature environment and under the pressure of several megapascals is guaranteed to be within an expected range, namely, the sealing performance of the target device is guaranteed, and the accuracy of a light gas gun loading test is improved.
Specifically, the connecting portion 7 is sleeved with a sealing gasket, and the sealing gasket is abutted to the base portion 8.
Specifically, the gasket is a steel gasket. Preferably, the sealing gasket is made of carbon steel. In the using process, the target device needs to bear higher pressure and higher temperature, in order to ensure that the target device also keeps good sealing performance under impact, a carbon steel sealing gasket is adopted for sealing the joint part of the target outer body 1 and the detection mechanism 2, and the sealing gasket made of carbon steel which is easy to compress and deform is utilized, so that the ductility is better, and the sealing effect is good; in addition, the expansion coefficients of the target outer body 1, the detection mechanism 2 and the carbon steel sealing gasket are close, and the falling phenomenon cannot occur in the test impact process; in the high-temperature experiment process, the carbon steel sealing gasket can perfectly play a role in sealing, and the phenomenon of sample leakage cannot be caused.
When the target device is used, as shown in fig. 6, the target device is suitable for a light gas gun loading experiment at high temperature of a solid sample, in the experiment process, a sample 24 is placed in a sample bin 4, a detection mechanism 2 is connected with a target outer body 1, two ends of the sample 24 are respectively abutted with a base plate 10 and a window 5, meanwhile, a detection probe 26 is controlled to be abutted with the sample 24, for the sample 24 with a melting point lower than the preheating temperature of a graphite crucible 14, oil liquid 25 is introduced into the sample bin 4 through an oil hole 13 to fill the sample bin 4, the oil liquid 25 adopts a melting point lower than the sample 24, the oil liquid 25 protects the sample 24 from melting in the preheating process of the graphite crucible 14, then, a spare oil hole 13, a temperature detection cable hole 11 and a measurement cable hole 12 are sealed through ultra-high temperature glue, the sample bin 4 is in a closed environment, then the target device is connected with the light gas gun, and an electric heating, preheating the graphite crucible 14, heating the graphite crucible 14 to 180-220 ℃ and keeping the temperature for 30 minutes to remove moisture in the graphite crucible 14, flexibly selecting the temperature according to the experiment requirement and the melting point of a sample, heating the environment in the sample bin 4 to the preset temperature required by the experiment, and carrying out the light gas gun loading experiment; for a sample 24 with a high preheating temperature of the graphite crucible 14, placing the sample 24 in a sample bin 4, connecting a detection mechanism 2 with a target outer body 1, enabling two ends of the sample 24 to be respectively abutted against a base plate 10 and a window 5, simultaneously controlling a detection probe 26 to be abutted against the sample 24, sealing a spare oil hole 13, a temperature detection cable hole 11 and a measurement cable hole 12 through ultra-high temperature glue, enabling the sample bin 4 to be in a closed environment, then connecting a target device with a light gas gun, controlling an electric heating unit to work, preheating the graphite crucible 14, heating the graphite crucible 14 to 180-220 ℃ and keeping for 30 minutes to expel moisture in the crucible 14, then heating the graphite crucible 14 to 850 ℃ for preheating, then reducing the temperature, and then selecting the temperature according to the requirement of the experiment and the flexible melting point of the sample 24, heating the environment in the sample bin 4 to the preset temperature required by the experiment, then the light gas gun loading experiment can be carried out; according to the specific experiment requirement, the oil is introduced into the sample bin 4 through the oil hole 13 before sealing to fill the sample bin 4, so that the sample bin 4 is filled with the oil and then sealed.
Preferably, the ultra-high temperature glue is special glue for the ultra-high temperature carbon fiber felt, can still normally work even in a high-temperature environment and under the high-pressure impact, has good fluidity, has good effect on the bonding between steel and sapphire, and can ensure the sealing property of the target device in an experiment.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A heating target device for a light gas gun loading experiment is characterized by comprising a target outer body and a detection mechanism, wherein a sample bin and a heating chamber are arranged in the target outer body, the heating chamber is arranged around the sample bin and used for placing a sample to be detected, an electric heating unit is arranged in the heating chamber, the detection mechanism comprises a window, a detection tube and a fixed platform which are sequentially arranged from left to right, the window and the detection tube are respectively arranged in the sample bin, a temperature detection unit is arranged on the window and used for detecting the temperature in the sample bin, a substrate is arranged on the inner wall of the left end of the sample bin, an opening is arranged at the right end of the sample bin, the fixed platform comprises a connecting part and a base part which are sequentially arranged from left to right, the connecting part is detachably connected with the opening, a temperature detection wire cable hole and a measurement wire cable hole are arranged on the fixed platform, the temperature detection cable hole sequentially penetrates through the base part and the connecting part and is communicated with the interior of the detection tube, and the measurement cable hole sequentially penetrates through the base part and the connecting part and is communicated with the sample bin.
2. The heating target device for the loading experiment of the light gas gun as claimed in claim 1, wherein the electric heating unit comprises a graphite crucible and a resistance wire arranged around the graphite crucible.
3. The heating target device for the light gas gun loading experiment as claimed in claim 2, wherein a heating cable hole is formed in the side wall of the target outer body, and a resistance wire cable penetrates through the heating cable hole to be connected with the resistance wire.
4. The heating target device for the loading experiment of the light gas gun as claimed in claim 1, wherein a heat dissipation hole is formed on a side wall of the target outer body, and the heat dissipation hole is communicated with the heating chamber.
5. The heating target device for the light gas gun loading experiment as claimed in claim 1, wherein the fixing table is provided with an oil hole, and the oil hole sequentially passes through the base portion and the connecting portion and is communicated with the sample chamber.
6. The warming target device for a light gas gun loading experiment as claimed in claim 1, wherein a detection probe is arranged in the sample chamber, and a probe cable passes through a measurement cable hole to be connected with the detection probe.
7. The warming target device for the light gas gun loading experiment as claimed in claim 6, wherein the detection probe is at least one of an electric probe and an optical probe.
8. The heating target device for the light gas gun loading experiment as claimed in claim 1, wherein the target outer body comprises an outer cylinder and an inner cylinder, a front wall plate is arranged at the left end of the outer cylinder, a fixing groove is arranged on the right side wall of the front wall plate, the fixing groove is detachably connected with the left end of the inner cylinder, an annular protrusion is arranged at the right end of the inner cylinder, the annular protrusion is detachably connected with the inner wall of the right end of the outer cylinder, a heating chamber is arranged between the inner cylinder and the outer cylinder, and the sample chamber is arranged in the inner cylinder.
9. The heating target device for the light gas gun loading experiment as claimed in claim 8, wherein a heat insulation plate connecting port is arranged on the left side wall of the front wall plate.
10. A method for using the heating target device according to any one of claims 1 to 9, comprising the steps of:
the sample is placed in a sample bin, a detection mechanism is connected with the outer body of the target, two ends of the sample are respectively abutted against a base plate and a window, the detection probe is simultaneously controlled to be abutted against the sample, the sample bin is in a closed environment, then the target device is connected with the light gas gun, an electric heating unit is controlled to work, and the light gas gun loading experiment can be carried out after the environment in the sample bin is heated to a preset temperature.
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