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首页> 外文会议>Thermal Spray Connects: Explore its surfacing Potential! >Non destructive resting of the coating-subsrate interface of thermally-sprayed industrialparts non destructive testing of the coating-substrate interface of thermally-sprayed industrialparts
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Non destructive resting of the coating-subsrate interface of thermally-sprayed industrialparts non destructive testing of the coating-substrate interface of thermally-sprayed industrialparts

机译：热喷涂工业零件的涂层-基体界面的无损检测非热喷涂工业零件的涂层-基体界面的无损检测

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The present work deals with the application to actual in industrial conditions of the promising results of the study onadhesion, as presented at the previous edition of ITSC'2004 in Osaka, Japan. These industrial parts were typical ofthose produced in workshops for aircraft-aerospace, petro-chemical, printing works industries etc….Thermal spray processing of industrial parts tested in this study are numerous , primarily air plasma spraying(APS), HVOF and conventional flame spray with or without remelting. Ultrasonic NDT facilities are now installed inan actual industrial workshop and show the reliability of the testing method and related results.For every tested part, digital ultrasonic testing was carried out to be compared to results from conventional adhesiontests according to EN 582 standard. U.T. results were quite in keeping with those from EN 582 testing. However,in addition, ultrasonic testing exhibited the any heterogeneity when existing, (local weak zones) at the coating-substrate interface. This resulted in easy discriminating of adhesive areas from cohesive areas.Results of this work obtained in a real workshop environment leaves promising expectations for ultrasonic testingto meet results from conventional EN 582 adhesion testing when applied to industrially- produced parts.Ultrasonic testing results in a low-cost NDT method which should compete with current high-cost control . Moreover,ultrasonic NDT looks more reliable in so far as the whole part can be controlled due to scanning of the wholesurface.
机译：目前的工作是在工业条件下实际应用的研究的希望的结果 附着力，如在日本大阪举行的ITSC'2004上一版中所介绍的。这些工业零件是典型的 那些是在航空航天，石油化工，印刷厂等的车间生产的。 本研究中测试的工业零件的热喷涂工艺很多，主要是空气等离子喷涂 （APS），HVOF和常规火焰喷涂（带或不带重熔）。超声波无损检测设备现已安装在 实际的工业车间，并显示测试方法的可靠性和相关结果。 对于每个测试零件，都进行了数字超声波测试，并将其与常规粘合力的结果进行比较 根据EN 582标准进行测试。联合王国结果与EN 582测试的结果完全一致。然而， 此外，当涂层存在时（局部弱区），超声波测试会显示出任何异质性。 基材界面。这使得容易将粘合区域与内聚区域区分开。 在真实的车间环境中获得的这项工作结果给超声测试留下了令人鼓舞的期望 当应用于工业生产的零件时，可以满足常规EN 582附着力测试的结果。 超声波测试产生了一种低成本的无损检测方法，该方法应可与目前的高成本控制相抗衡。而且， 超声波NDT看起来更可靠，因为可以通过扫描整个零件来控制整个零件 表面。

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