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Measuring device for heat-barrier coating heat-shock resisting performance

A technology of thermal barrier coating and testing device, which is applied in the direction of measuring device, mechanical device, and application of repeated force/pulsation force to test the strength of materials, etc., which can solve the problems of increasing process and cost, and inability to perform rapid cooling

Inactive Publication Date: 2006-08-16
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the outer surface of the metal substrate is covered with a thermal barrier coating as a whole, the sample preparation increases the process and cost, and rapid cooling cannot be performed

Method used

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  • Measuring device for heat-barrier coating heat-shock resisting performance
  • Measuring device for heat-barrier coating heat-shock resisting performance

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Experimental program
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Embodiment Construction

[0011] Such as figure 1 , figure 2 As shown, the present invention includes: a rotating circular platform 1 , a sample holder 2 , a workbench 3 , a heat source installation device 4 , a cooling medium input port 5 , a positioning device 6 , and a temperature measuring device 7 .

[0012] Planar bearings 11 are provided on the workbench 3 . There are 8 circular sunken drainage grooves 8 evenly distributed along the circumference on the rotating circular platform 1, so as to facilitate the liquid discharge when using liquid cooling medium for cooling; The concentric sample bracket fixing holes 9 are used to install the sample bracket 2; 4 positioning holes 10 evenly distributed along the circumference are used to install the positioning device 6; Realize the thermal shock resistance test of multiple samples.

[0013] The sample holder 2 is installed on the rotating circular platform 1 through screw connection, and a flow hole 12 is opened on the upper part thereof. The numb...

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Abstract

A test device of antithermal shock property for heat barrier coating layer consists of rotary circular platform, sample carriage, operation table, unit for setting heat source, input opening of cooling media, positioning unit and temperature measuring unit .It features that positioning hole and water drainage slot are set on rotary circular platform for carrying out positioning quickly and for draining out cooling liquid conveniently, rotary circular platform is rotated around operation table to carry out circular movement so as to realize property test of antithermal shock for multisample for raising test efficiency .

Description

technical field [0001] The invention relates to a device in the technical field of testing, in particular to a device for testing thermal shock resistance of a thermal barrier coating. Background technique [0002] Thermal barrier coatings (TBCs) are generally coating systems consisting of a ceramic surface coating with low thermal conductivity and a metal intermediate bonding layer. Plasma spraying, electron beam physical vapor deposition and other technologies are used to prepare thermal barrier coatings on hot-end parts such as aero-engines to isolate heated parts from high-temperature gas, which can not only improve the engine's high-temperature corrosion resistance, but also further increase the working temperature. , and can reduce fuel consumption, reduce cooling gas, improve thermal efficiency, and prolong the service life of hot end components. Thermal barrier coating technology is widely used in aerospace, gas power generation, chemical industry, metallurgy, shipb...

Claims

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Application Information

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IPC IPC(8): G01N19/04G01N3/32
Inventor 周洪李飞何博王俊孙宝德
Owner SHANGHAI JIAO TONG UNIV
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