CN102706919A - Method for detecting oxidation and ablation resisting performance of high-temperature material - Google Patents
Method for detecting oxidation and ablation resisting performance of high-temperature material Download PDFInfo
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- CN102706919A CN102706919A CN2011103830000A CN201110383000A CN102706919A CN 102706919 A CN102706919 A CN 102706919A CN 2011103830000 A CN2011103830000 A CN 2011103830000A CN 201110383000 A CN201110383000 A CN 201110383000A CN 102706919 A CN102706919 A CN 102706919A
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- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000002679 ablation Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000003647 oxidation Effects 0.000 title abstract description 6
- 238000007254 oxidation reaction Methods 0.000 title abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 71
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 22
- 230000003078 antioxidant effect Effects 0.000 claims description 12
- 235000006708 antioxidants Nutrition 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 4
- 230000003628 erosive effect Effects 0.000 claims description 3
- CNKHSLKYRMDDNQ-UHFFFAOYSA-N halofenozide Chemical compound C=1C=CC=CC=1C(=O)N(C(C)(C)C)NC(=O)C1=CC=C(Cl)C=C1 CNKHSLKYRMDDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010301 surface-oxidation reaction Methods 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 abstract 2
- 238000005338 heat storage Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 10
- 241001012508 Carpiodes cyprinus Species 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention relates to a method for detecting oxidation and ablation resisting performance of a high-temperature material. The method specifically comprises the following steps of: firstly, forming a gas source through O2, N2, air and fuel gas and pressurizing the gas source to 1-5MPa to form a high-pressure gas source, wherein fuel gas comprises CH4, C3H8 or H2, the flow rate of O2 is 1000-10000kg/h, the flow rate of CH4 is 1000-5000kg/h, the flow rate of C3H8 is 1000-5000kg/h, the flow rate of H2 is 100-3000kg/h, the flow rate of N2 is 1000-5000kg/h and the flow rate of air is 1000-90000kg/h; secondly, heating the high-pressure gas source to 1000-2500K through a heat storage chamber and a combustion chamber at a heat storage and enthalpy increase section; and finally, using the heated gas to generate a jet flow with temperature being 100-500K and mach number being 1-7 through a beaming and flow jetting section, and detecting the oxidation and ablation resisting performance of the material to be tested under conditions that the concentration percentage of O2 is 5-21 percent, the concentration percentage of N2 is 50-78 percent, the concentration percentage of CO2 is 10-30 percent and the concentration percentage of H2O is 0.1-12 percent. In combination with a combustion technique, by keeping a thin layer of high-temperature gas (500-2500K) around central high-enthalpy jet flow gas, a high-mach-number beamed jet flow with controllable jet flow temperature, compositions and speed is formed. By adopting the method, material surface oxidation and ablation tests can be conducted.
Description
Technical field
The invention belongs to material tests and protection field, provide a kind of cluster fluidic technology of utilizing that the high-temperature oxidation resistant ablation property of material is carried out the method that line dynamic detects.
Background technology
The anti-oxidant ablation property of material detects divides static state and detection of dynamic, and along with material property is detected the raising that requires, adopting dynamic testing method evaluating material performance will be the development in future direction.Line dynamic detection to the high temperature resistance of material, anti-oxidant ablation property mainly is to rely on arc tunnel and oxy-acetylene burner at present.Wherein arc tunnel is present main detection method, and measured material is positioned in the arc tunnel, and the high enthalpy gas contact material surface that electric arc produces produces shock wave, accomplishes the performance evaluation of material through the oxidation ablation of material.But the main at present pneumatic heat test of accomplishing material of arc tunnel, and exist the component of copper pollution, jet to be difficult to problems such as control, arc tunnel experimentation cost is very high in addition.Also have and adopt the oxy-acetylene burner to carry out the ablation test of material; This method test device is simple; The detection cost is low, but it has only considered the influence (pneumatic heat) of jet temperature to the anti-oxidant ablation property of material, does not consider the influence to anti-ization of material oxygen ablation property of gas velocity and gas componant.
Summary of the invention
In order to address the above problem, the purpose of this invention is to provide and a kind of combustion technology is made up, utilize the method for the anti-oxidant ablation property of detection high-temperature material that the cluster fluidic device detects the pneumatic heat and the aerodynamic force of material simultaneously.
Technical scheme of the present invention is: a kind of method that detects the anti-oxidant ablation property of high-temperature material; This method makes up combustion technology; Form the cluster fluidic of the high Mach number of jet temperature, component and speed-controllable, around height of center enthalpy Gas Jet around the thin layer high-temperature gas (500 ~ 2500K), reduced pressure to the 0.005 ~ 0.05MPa of export environment air-flow; It is characterized in that, specifically may further comprise the steps:
Step 1: will be by O
2, N
2, air and combustion gas form source of the gas, is pressurized to 1 ~ 5MPa, forms high-pressure air source; Wherein, said combustion gas comprises CH
4, C
3H
8Or H
2O
2Flow 1000 ~ 10000kg/h, CH
4Flow 1000 ~ 5000kg/h, C
3H
8Flow 1000 ~ 5000kg/h, H
2Flow 100 ~ 3000kg/h, N
2Flow 1000 ~ 5000kg/h and air mass flow 1000 ~ 90000kg/h;
Step 2: the high-pressure air source that step 1 is obtained increases the enthalpy section through accumulation of heat and is heated to 1000 ~ 2500K;
Step 3: the gas after step 2 heating is produced the jet of 100 ~ 500K, Mach 2 ship 1 ~ 7 after the cluster fluidic section, be O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
Further, said step 3 can also produce the jet of 200 ~ 600K, Mach number 1 ~ 8 for the gas after step 2 heating is being followed the effect of stream through the cluster fluidic section, is O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
Further, said step 3 can also for the gas after step 2 heating through the cluster fluidic section owing to increase the enthalpy effect, produce the jet of 500 ~ 1000K, Mach number 1 ~ 8, be O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
Further, said step 3 can also be O in gas concentration for the subsonic jet of the gas after step 2 heating through cluster fluidic section generation 2000 ~ 3000K
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
Further, said step 3 can also be 1 ~ 3% 60 ~ 300 μ m particulates for the gas after step 2 heating is added quality through the cluster fluidic section, forms particulate erosion stream, is O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
The invention has the beneficial effects as follows: the present invention makes up combustion technology, around height of center enthalpy Gas Jet around the thin layer high-temperature gas (500 ~ 2500K), form the cluster fluidic of the high Mach number of jet temperature, component and speed-controllable.Can carry out material surface oxidation and ablation test through this method, comprise the oxidation ablation evaluation experimental and the method for materials such as setting up high temperature alloy, C-C, C-Si.
Description of drawings:
Fig. 1 is that the present invention is the device schematic flow sheet of experimental enviroment.
Among the figure:
1, high-pressure air source section, 2, accumulation of heat increases the enthalpy section, 3, the cluster fluidic section, 4, the material test section, 5, vacuum speedup section.
Specific embodiment:
further specify technical scheme of the present invention below in conjunction with specific embodiment.
Embodiment 1
Adopt air, N
2, O
2, C
3H
8As source of the gas, be pressurized to 3MPa in the high-pressure air source section, total gas couette is 10000kg/h; Increase the enthalpy section through accumulation of heat gas is heated to 1000K; The gases at high pressure of 1000K are continued heating in the firing chamber, output temperature is the gas of 1600K, and this gas is produced Ma=5 through the cluster fluidic section; Temperature is the gas of 300K, is O in gas concentration
2: N 5%,
2: CO 78%,
2: 10% and H
2Carry out the detection of the anti-oxidant ablation property of material under the environment of O:7%.
Embodiment 2
Adopt air, N
2, O
2, CH
4As source of the gas, be pressurized to 2.5MPa in the high-pressure air source section, total gas couette is 8000kg/h; Increase the enthalpy section through accumulation of heat gas is heated to 1000K; The gases at high pressure of 1000K are continued heating in the firing chamber, output temperature is the gas of 1600K, with this gas through the cluster fluidic section and follow the effect of stream to produce Ma=5; Temperature is the gas of 400K, is O in gas concentration
2: N 21%,
2: CO 50%,
2: 25% and H
2Carry out the detection of the anti-oxidant ablation property of material under the environment of O:4%.
Embodiment 3
Adopt air, N
2, O
2, H
2As source of the gas, be pressurized to 2MPa in the high-pressure air source section, total gas couette is 6000kg/h; Increase the enthalpy section through accumulation of heat gas is heated to 1000K; The gases at high pressure of 1000K are continued heating in the firing chamber, output temperature is the gas of 1600K, and this gas is produced Ma=3 through the cluster fluidic section and through increasing the enthalpy effect; Temperature is the gas of 700K, is O in gas concentration
2: N 10%,
2: CO 60%,
2: 18% and H
2Carry out the detection of the anti-oxidant ablation property of material under the environment of O:12%.
Adopt air, N
2, O
2, CH
4As source of the gas; Be pressurized to 2.5MPa in the high-pressure air source section, total gas couette is 8000kg/h, increases the enthalpy section through accumulation of heat gas is heated to 1000K; The gases at high pressure of 1000K are continued heating in the firing chamber; Output temperature is the gas of 1500K, and the gas after the heating is O through the subsonic speed air-flow of cluster fluidic section generation 2200K in gas concentration
2: N 15%,
2: CO 70%,
2: 10% and H
2Carry out the detection of the anti-oxidant ablation property of material under the environment of O:5%.
Adopt air, N
2, O
2, C
3H
8As source of the gas, be pressurized to 2.5MPa in the high-pressure air source section, total gas couette is 8000kg/h; Increase the enthalpy section through accumulation of heat gas is heated to 1200K; This gas through the cluster fluidic section and to add quality be 2% 100 μ m particulates, is formed particulate erosion stream, is O in gas concentration
2: N 5%,
2: CO 64.9%,
2: 30% and H
2Carry out the detection of the anti-oxidant ablation property of material under the environment of O:0.1%.
Claims (5)
1. method that detects the anti-oxidant ablation property of high-temperature material; This method makes up combustion technology; Around height of center enthalpy Gas Jet,, form the cluster fluidic of the high Mach number of jet temperature, component and speed-controllable, reduce pressure to the 0.005 ~ 0.05MPa of export environment air-flow around the high-temperature gas of thin layer 500 ~ 2500K; It is characterized in that, specifically may further comprise the steps:
Step 1: will be by O
2, N
2, air and combustion gas form source of the gas, is pressurized to 1 ~ 5MPa, forms high-pressure air source; Wherein, said combustion gas comprises CH
4, C
3H
8Or H
2O
2Flow 1000 ~ 10000kg/h, CH
4Flow 1000 ~ 5000kg/h, C
3H
8Flow 1000 ~ 5000kg/h, H
2Flow 100 ~ 3000kg/h, N
2Flow 1000 ~ 5000kg/h and air mass flow 1000 ~ 90000kg/h;
Step 2: the high-pressure air source that step 1 is obtained increases the enthalpy section through accumulation of heat and is heated to 1000 ~ 2500K;
Step 3: the gas after step 2 heating is produced the jet of 100 ~ 500K, Mach 2 ship 1 ~ 7 after the cluster fluidic section, be O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
2. method according to claim 1 is characterized in that, said step 3 can also produce the jet of 200 ~ 600K, Mach number 1 ~ 8 for the gas after step 2 heating is being followed the effect of stream through the cluster fluidic section, is O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
3. method according to claim 1 is characterized in that, said step 3 can also for the gas after step 2 heating through the cluster fluidic section owing to increase the enthalpy effect, produce the jet of 500 ~ 1000K, Mach number 1 ~ 8, be O in gas concentration
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
4. method according to claim 1 is characterized in that, said step 3 can also be O in gas concentration for the subsonic jet of the gas after step 2 heating through cluster fluidic section generation 2000 ~ 3000K
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
5. method according to claim 1 is characterized in that, said step 3 can also be 1 ~ 3% 60 ~ 300 μ m particulates for the gas after step 2 heating is added quality through the cluster fluidic section, forms particulate erosion stream, at gas concentration O
2: 5 ~ 21%, N
2: 50 ~ 78%, CO
2: 10 ~ 30% and H
2Anti-oxidant ablation property to test material under the condition of O:0.1 ~ 12% detects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110383000.0A CN102706919B (en) | 2011-11-28 | 2011-11-28 | Method for detecting oxidation and ablation resisting performance of high-temperature material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110383000.0A CN102706919B (en) | 2011-11-28 | 2011-11-28 | Method for detecting oxidation and ablation resisting performance of high-temperature material |
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| Publication Number | Publication Date |
|---|---|
| CN102706919A true CN102706919A (en) | 2012-10-03 |
| CN102706919B CN102706919B (en) | 2014-04-02 |
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|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017171A (en) * | 2012-11-30 | 2013-04-03 | 北京科技大学 | Method for obtaining high-temperature and high-pressure gas |
| CN106442605A (en) * | 2016-11-25 | 2017-02-22 | 桂林永福龙港绿色环保建材有限公司 | Detection device of fireproof plate |
| CN106546503A (en) * | 2016-10-19 | 2017-03-29 | 北京科技大学 | A kind of detection method of dry/adjustable Anti brushing Performance of wet atmosphere |
| CN106680224A (en) * | 2016-12-29 | 2017-05-17 | 清华大学 | Measurement device and method for material oxidation ablation in high-temperature wind tunnel |
| CN106714440A (en) * | 2017-02-24 | 2017-05-24 | 中国航天空气动力技术研究院 | Arc starting system and arc starting method applied to high-frequency induction plasma generator |
| CN110346400A (en) * | 2019-06-18 | 2019-10-18 | 北京科技大学 | A kind of experimental rig and method for simulating Cannon burning |
| CN114324007A (en) * | 2022-01-13 | 2022-04-12 | 西南石油大学 | Gel oxidation resistance testing arrangement |
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| CN1834614A (en) * | 2006-03-10 | 2006-09-20 | 哈尔滨工业大学 | Artificial ablation testing machine for heat isolating material floor |
| CN1873395A (en) * | 2006-03-10 | 2006-12-06 | 哈尔滨工业大学 | Method for detecting emission spectrum in procedure of material ablation, and detection device |
| CN1948946A (en) * | 2006-06-06 | 2007-04-18 | 西北工业大学 | Analog device and method of material property testing |
-
2011
- 2011-11-28 CN CN201110383000.0A patent/CN102706919B/en not_active Expired - Fee Related
Patent Citations (4)
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| CN1727935A (en) * | 2005-07-20 | 2006-02-01 | 哈尔滨工业大学 | System for collecting images of material ablation under ultra high temperature |
| CN1834614A (en) * | 2006-03-10 | 2006-09-20 | 哈尔滨工业大学 | Artificial ablation testing machine for heat isolating material floor |
| CN1873395A (en) * | 2006-03-10 | 2006-12-06 | 哈尔滨工业大学 | Method for detecting emission spectrum in procedure of material ablation, and detection device |
| CN1948946A (en) * | 2006-06-06 | 2007-04-18 | 西北工业大学 | Analog device and method of material property testing |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017171A (en) * | 2012-11-30 | 2013-04-03 | 北京科技大学 | Method for obtaining high-temperature and high-pressure gas |
| CN106546503A (en) * | 2016-10-19 | 2017-03-29 | 北京科技大学 | A kind of detection method of dry/adjustable Anti brushing Performance of wet atmosphere |
| CN106442605A (en) * | 2016-11-25 | 2017-02-22 | 桂林永福龙港绿色环保建材有限公司 | Detection device of fireproof plate |
| CN106680224A (en) * | 2016-12-29 | 2017-05-17 | 清华大学 | Measurement device and method for material oxidation ablation in high-temperature wind tunnel |
| CN106680224B (en) * | 2016-12-29 | 2019-03-22 | 清华大学 | Material oxidation ablation measuring device and its measurement method in a kind of high-temperature tunnel |
| CN106714440A (en) * | 2017-02-24 | 2017-05-24 | 中国航天空气动力技术研究院 | Arc starting system and arc starting method applied to high-frequency induction plasma generator |
| CN110346400A (en) * | 2019-06-18 | 2019-10-18 | 北京科技大学 | A kind of experimental rig and method for simulating Cannon burning |
| CN114324007A (en) * | 2022-01-13 | 2022-04-12 | 西南石油大学 | Gel oxidation resistance testing arrangement |
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|---|---|
| CN102706919B (en) | 2014-04-02 |
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