CN104777187A - Thermal barrier coating heat insulation performance testing device - Google Patents

Thermal barrier coating heat insulation performance testing device Download PDF

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Publication number
CN104777187A
CN104777187A CN201410733390.3A CN201410733390A CN104777187A CN 104777187 A CN104777187 A CN 104777187A CN 201410733390 A CN201410733390 A CN 201410733390A CN 104777187 A CN104777187 A CN 104777187A
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CN
China
Prior art keywords
thermal barrier
barrier coating
circular tube
tube shaped
nozzle
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410733390.3A
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Chinese (zh)
Inventor
陈辉
张莹松
黄新民
明继清
张军战
李宇峰
孙红梅
谢锋
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Xiangyang Hang Tai Power Machine Factory
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Xiangyang Hang Tai Power Machine Factory
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Publication date
Application filed by Xiangyang Hang Tai Power Machine Factory filed Critical Xiangyang Hang Tai Power Machine Factory
Priority to CN201410733390.3A priority Critical patent/CN104777187A/en
Publication of CN104777187A publication Critical patent/CN104777187A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a thermal barrier coating heat insulation performance testing device, belongs to the technical field of thermal barrier coating heat insulation performance testing, and primarily provides a device for testing heat insulation effect by means of simulation of test coating working environment. The thermal barrier coating heat insulation performance testing device is mainly characterized in that: a circular tubular specimen is vertically fixed, the outer surface of the circular tubular specimen is sprayed with a thermal barrier coating; a pressure gauge and a flow meter are arranged on a cooling pipe of a compressed air cooling system, the end of the cooling pipe is provided with a nozzle, and the nozzle extends into the tube of the circular tubular specimen; a flame nozzle of a flame spray gun heating system is a quincunx nozzle, the quincunx nozzle is arranged on one side of the circular tubular specimen; an air exhaust ventilation system is provided with an air guide hood, and is arranged on the other side of the circular tubular specimen; and a nickel chrome thermocouple temperature acquisition system comprises a nickel chrome thermocouple and a temperature recorder. The thermal barrier coating heat insulation performance testing device has the characteristics of capability of simulation of thermal barrier coating heat insulation performance testing in environment of different temperature and cooling flow rate and a wide range of application, and is mainly used for the thermal barrier coating heat insulation performance testing.

Description

A kind of thermal barrier coating heat insulating property test device
Technical field
The invention belongs to thermal barrier coating heat-proof quality technical field of measurement and test, be specifically related to a kind of thermal barrier coating heat insulating property test device adopted under gas heating and Air flow environment.
Background technology
The parts of being on active service under the worst hot case such as modern aeroengine, gas turbine; usually can adopt at piece surface spraying thermal barrier coating to isolate the direct effect of high-temperature fuel gas to part; delay heat conduction; cool part in inside by cooling draught again, thus part is on active service in high temperature environments for a long time, reliably.When airless cools, thermal barrier coating does not possess effect of heat insulation, only can delay the time of base metal surface by high temperature attack on dynamically.Therefore, the object that just can reach and reduce piece surface temperature must be worked in coordination with cooling technology for being applied to the longer thermal barrier coating of heated time.
The effect of heat insulation of coating is the important indicator evaluating thermal barrier coating performance, the size of effect of heat insulation is directly connected to the size of part coating system working temperature, the simultaneously size of also heat application in remote effect coating Thermal Cycling, the effect of heat insulation therefore by experiment under simulation test coating duty environment is an imperative job.
Summary of the invention
The invention provides a kind of thermal barrier coating heat insulating property test device, simulation coating actual working environment can being realized, for testing the heat-proof quality of thermal barrier coating at varying environment temperature and cooling condition.
Technical solution of the present invention is: a kind of thermal barrier coating heat insulating property test device, is characterized in that: be made up of pressure-air cooling system, circular tube shaped sample, flame gun heating system, nickel chromium triangle thermocouple temperature measurement acquisition system, induced ventilation system; Wherein, circular tube shaped sample is fixed in holding up direction, and circular tube shaped sample outside surface is coated with thermal barrier coating; Setting pressure table and flowmeter on the cooling line of pressure-air cooling system, cooling line end is provided with the nozzle of uniform aperture above, and extend in circular tube shaped coupon; Flame gun heating system is made up of flame-thrower nozzle, flame gun gas flow switch board, welding bottle and acetylene cylinder, and flame-thrower nozzle adopts quincunx nozzle, is arranged on the side of circular tube shaped sample; Induced ventilation system is the induced ventilation system with wind scooper, and this wind scooper is arranged on the opposite side of circular tube shaped sample; Nickel chromium triangle thermocouple temperature measurement acquisition system comprises the second nickel chromium triangle thermopair in the first nickel chromium triangle thermopair be arranged on circular tube shaped coupon thermal barrier coating, pipe, and with this each, the moisture recorder that is electrically connected of the second nickel chromium triangle thermopair.
Circular tube shaped sample described in technical solution of the present invention is the circular tube shaped sample of GH3044 material, pipe outside dimension 25mm, wall thickness 1.5mm, length 30mm.
The end nozzle of the cooling line described in technical solution of the present invention adopts the pipeline of one section of uniform aperture above, and aperture is spatially symmetrical, produces turbulent phenomenon, abundant cooling samples when making air flow through nozzle.
Pressure gage measuring range described in technical solution of the present invention is: 0 ~ 2.5MPa, can monitor compressed air pressure in cooling line at any time; Flowmeter range is: 0 ~ 2000m 3/ h, by adjust flux meter controlled cooling model air mass flow.
The present invention adopts the thermal barrier coating heat insulating property test device by pressure-air cooling system, circular tube shaped sample, flame gun heating system, nickel chromium triangle thermocouple temperature measurement acquisition system, induced ventilation System's composition.Wherein, circular tube shaped sample is fixed in holding up direction, and circular tube shaped sample outside surface is coated with thermal barrier coating.Setting pressure table and flowmeter on the cooling line of pressure-air cooling system, can compressed air pressure and by adjust flux meter controlled cooling model air mass flow in monitored pipeline at any time.The cooling line end of pressure-air cooling system is provided with the nozzle of uniform aperture above, and extend in circular tube shaped coupon, pressurized air is evenly flowed out, abundant cooling samples from nozzle.Flame gun heating system is made up of flame-thrower nozzle, flame gun gas flow switch board, welding bottle and acetylene cylinder, flame-thrower nozzle adopts quincunx nozzle, be arranged on the side of circular tube shaped sample, by the flame regulating oxygen, acetylene flow controls spray gun, thus control the heating-up temperature of circular tube shaped specimen surface thermal barrier coating.Induced ventilation system is the induced ventilation system with wind scooper, this wind scooper is arranged on the opposite side of circular tube shaped sample, ensure the indoor air flowing of test experiments, take away the heat that flame gun heating system produces, also can take the acetylene gas that acetylene pipeline joint leaks simultaneously away, ensure laboratory safety.Nickel chromium triangle thermocouple temperature measurement acquisition system comprises the second nickel chromium triangle thermopair in the first nickel chromium triangle thermopair be arranged on circular tube shaped coupon thermal barrier coating, pipe, and with this each, the moisture recorder that is electrically connected of the second nickel chromium triangle thermopair, and collect computer system.The present invention can realize the effect of heat insulation test under simulation thermal barrier coating actual working environment, there is flame gun heating system power adjustable, cooling air delivery is adjustable, the thermal barrier coating heat-proof quality test of different temperatures and cooling flow environment can be simulated, the feature had wide range of applications.The present invention is mainly used in the thermal barrier coating heat insulating property test device under employing gas heating and Air flow environment.
Accompanying drawing explanation
Fig. 1 is thermal barrier coating heat insulating property test device structure principle chart of the present invention.
In figure: 1, flame gun heating system, 2, flame gun gas flow switch board, 3, welding bottle and acetylene cylinder, 4, circular tube shaped sample, 5, moisture recorder, 6, flowmeter, 7, tensimeter, 8, induced ventilation system.
Embodiment
Accompanying drawing below in the structure embodiment of the present invention, is clearly and completely described the technical scheme in the embodiment of the present invention, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to scope.
As shown in Figure 1.Thermal barrier coating heat insulating property test device of the present invention is made up of pressure-air cooling system, circular tube shaped sample 4, flame gun heating system 1, nickel chromium triangle thermocouple temperature measurement acquisition system, induced ventilation system 8.Wherein, circular tube shaped sample 4 is the circular tube shaped sample of GH3044 material, pipe outside dimension 25mm, wall thickness 1.5mm, length 30mm, outside surface is coated with thermal barrier coating, fixing in holding up direction, the contrast circular tube shaped sample that another outside surface does not spray thermal barrier coating during test, need be equipped with.Setting pressure table 7 and flowmeter 6 on the cooling line of contracting air cooling system, tensimeter 7 range is: 0 ~ 2.5Pa, can monitor compressed air pressure in cooling line at any time, and flowmeter 6 range is: 0 ~ 2000m 3/ h, by adjust flux meter controlled cooling model air mass flow.Cooling line end is provided with the nozzle of uniform aperture above, and extend in circular tube shaped sample 4 manages, and nozzle adopts the pipeline of one section of uniform aperture above, and aperture is spatially symmetrical, produces turbulent phenomenon, abundant cooling samples when making air flow through nozzle.Pressure flame gun heating system 1 is made up of flame-thrower nozzle, flame gun gas flow switch board 2, welding bottle and acetylene cylinder 3, flame-thrower nozzle adopts quincunx nozzle, be arranged on the side of circular tube shaped sample 4, adopt bottled acetylene, oxygen as fuel and combustion adjuvant, acetylene, oxygen enter flame gun by flowmeter, by the flame regulating oxygen, acetylene flow controls spray gun, thus control heating-up temperature.Induced ventilation system 8 is the induced ventilation system with wind scooper, this wind scooper is arranged on the opposite side of circular tube shaped sample 4, ensure the indoor air flowing of test experiments, take away the heat that flame gun heating system produces, also can take the acetylene gas that acetylene pipeline joint leaks simultaneously away, ensure laboratory safety.Nickel chromium triangle thermocouple temperature measurement acquisition system comprises the first nickel chromium triangle thermopair be arranged on circular tube shaped sample 4 thermal barrier coating, the second nickel chromium triangle thermopair in pipe, and with this each, the moisture recorder 5 that is electrically connected of the second nickel chromium triangle thermopair, nickel chromium triangle thermocouple temperature measurement acquisition system adopts nickel chromium triangle thermocouple measurement specimen temperature, and collects computer system.
Under concrete operation step platform of the present invention:
Step 1, welds the second nickel chromium triangle thermopair, contrast nickel chromium triangle thermopair respectively by circular tube shaped sample 4, contrast circular tube shaped coupon.
Step 2, opens induced ventilation system 8, checks compressed air pressure and oxygen, acetylene pressure.
Step 3, the circular tube shaped sample 4 of spraying thermal barrier coating is fixed on before spray gun, from spray gun distance 180mm, fix the first nickel chromium triangle thermopair on thermal barrier coating surface, then first, second nickel chromium triangle thermopair of welding in coating surface and pipe is connected to moisture recorder.Open pressurized air, be adjusted to the flow of needs, nozzle is placed into circular tube shaped sample 4 mouth of pipe.
Step 4, the flow of oxygen and acetylene is regulated at flame gun gas flow switch board 2, light flame gun, heating circular tube shaped sample 4, the flow of oxygen and acetylene is regulated to change flame power, when thermal barrier coating surface temperature is stabilized in required temperature, the temperature of the second nickel chromium triangle thermocouple measurement in record pipe, is designated as T 1.
Step 5, measures temperature in the pipe not spraying the contrast circular tube shaped sample of thermal barrier coating by above-mentioned steps method, is designated as T 2.
Step 6, the heat-proof quality △ T=T of the thermal barrier coating under set environment 2-T 1.

Claims (4)

1. a thermal barrier coating heat insulating property test device, is characterized in that: be made up of pressure-air cooling system, circular tube shaped sample (4), flame gun heating system (1), nickel chromium triangle thermocouple temperature measurement acquisition system, induced ventilation system (8); Wherein, circular tube shaped sample (4) is fixed in holding up direction, and circular tube shaped sample (4) outside surface is coated with thermal barrier coating; Setting pressure table (7) and flowmeter (6) on the cooling line of pressure-air cooling system, cooling line end is provided with the nozzle of uniform aperture above, and extend in circular tube shaped sample (4) pipe; Flame gun heating system (1) is made up of flame-thrower nozzle, flame gun gas flow switch board (2), welding bottle and acetylene cylinder (3), and flame-thrower nozzle adopts quincunx nozzle, is arranged on the side of circular tube shaped sample (4); Induced ventilation system (8) is the induced ventilation system with wind scooper, and this wind scooper is arranged on the opposite side of circular tube shaped sample (4); Nickel chromium triangle thermocouple temperature measurement acquisition system comprises the second nickel chromium triangle thermopair in the first nickel chromium triangle thermopair be arranged on circular tube shaped sample (4) thermal barrier coating, pipe, and with this each, the moisture recorder (5) that is electrically connected of the second nickel chromium triangle thermopair.
2. a kind of thermal barrier coating heat insulating property test device according to claim 1, is characterized in that: the circular tube shaped sample that described circular tube shaped sample (4) is GH3044 material, pipe outside dimension 25mm, wall thickness 1.5mm, length 30mm.
3. a kind of thermal barrier coating heat insulating property test device according to claim 1 and 2, is characterized in that: the end nozzle of described cooling line adopts the pipeline of one section of uniform aperture above, and aperture is spatially symmetrical.
4. a kind of thermal barrier coating heat insulating property test device according to claim 1 and 2, is characterized in that: described tensimeter (7) range is: 0 ~ 2.5Pa; Flowmeter (6) range is: 0 ~ 2000m 3/ h.
CN201410733390.3A 2014-12-05 2014-12-05 Thermal barrier coating heat insulation performance testing device Pending CN104777187A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890881A (en) * 2016-04-06 2016-08-24 北京航空航天大学 Thermal fatigue test device capable of simulating gas environment
CN107941848A (en) * 2017-10-20 2018-04-20 北京绿时顺风科技有限公司 The apparatus and method for directly measuring block materials thermal barrier coating adiabatic temperature
CN108254275A (en) * 2018-01-04 2018-07-06 湘潭大学 Thermal barrier coating Work condition analogue and real-time monitoring device
CN110196261A (en) * 2018-12-03 2019-09-03 内蒙合成化工研究所 The test device and method of the outer heat insulation material Burning corrosion resistance energy of solid propellant rocket
CN110514692A (en) * 2019-08-07 2019-11-29 中国北方发动机研究所(天津) A kind of provision for thermal insulation heat-transfer effect test and experiment device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1699994A (en) * 2005-07-21 2005-11-23 北京航空航天大学 Thermal barrier coating service environment simulation device and method for stimulating environmental control
CN101644650A (en) * 2008-08-06 2010-02-10 中国农业机械化科学研究院 Device and method for testing thermal cycling performance of thermal barrel coating
CN103134828A (en) * 2012-07-20 2013-06-05 机械科学研究总院先进制造技术研究中心 Synchronization testing device and testing method of thermal barrier performance and thermal shock performance of thermal barrier coating
KR20130103997A (en) * 2012-03-12 2013-09-25 이동수 Fabric with thermo barrier coating
CN103592329A (en) * 2013-10-24 2014-02-19 西安交通大学 Method for testing heat insulation temperature of thermal barrier coating

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1699994A (en) * 2005-07-21 2005-11-23 北京航空航天大学 Thermal barrier coating service environment simulation device and method for stimulating environmental control
CN101644650A (en) * 2008-08-06 2010-02-10 中国农业机械化科学研究院 Device and method for testing thermal cycling performance of thermal barrel coating
KR20130103997A (en) * 2012-03-12 2013-09-25 이동수 Fabric with thermo barrier coating
CN103134828A (en) * 2012-07-20 2013-06-05 机械科学研究总院先进制造技术研究中心 Synchronization testing device and testing method of thermal barrier performance and thermal shock performance of thermal barrier coating
CN103592329A (en) * 2013-10-24 2014-02-19 西安交通大学 Method for testing heat insulation temperature of thermal barrier coating

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
吴子健等: "《热喷涂技术与应用》", 31 January 2006, 机械工业出版社 *
张纪真主编: "《机械制造工艺标准应用手册》", 28 February 1997, 机械工业出版社 *
王青,王亚平,丁秉钧: "热障涂层隔热性能研究进展", 《功能材料》 *
陈东,褚作明,张强,郑慧超: "热障涂层隔热性能测试方法分析", 《中国表面工程》 *
黄光宏: "EB-PVD氧化锆纳米结构热障涂层研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890881A (en) * 2016-04-06 2016-08-24 北京航空航天大学 Thermal fatigue test device capable of simulating gas environment
CN105890881B (en) * 2016-04-06 2018-04-10 北京航空航天大学 A kind of thermal fatigue test apparatus simulated under combustion gas environment
CN107941848A (en) * 2017-10-20 2018-04-20 北京绿时顺风科技有限公司 The apparatus and method for directly measuring block materials thermal barrier coating adiabatic temperature
CN108254275A (en) * 2018-01-04 2018-07-06 湘潭大学 Thermal barrier coating Work condition analogue and real-time monitoring device
CN110196261A (en) * 2018-12-03 2019-09-03 内蒙合成化工研究所 The test device and method of the outer heat insulation material Burning corrosion resistance energy of solid propellant rocket
CN110514692A (en) * 2019-08-07 2019-11-29 中国北方发动机研究所(天津) A kind of provision for thermal insulation heat-transfer effect test and experiment device

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Application publication date: 20150715