涡轮叶片内表面热腐蚀损伤的无损检测

IF 1.4 4区 工程技术 Q3 ENGINEERING, MECHANICAL Journal of Engineering for Gas Turbines and Power-transactions of The Asme Pub Date : 2023-10-16 DOI:10.1115/1.4063770
Justin Kuipers, Kevin Wiens
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引用次数: 0

摘要

摘要:研究了两种用于内部表面热腐蚀损伤识别的非破坏性技术:磁导率测量和x射线计算机断层扫描(CT)。一组61个Solar Titan 130一级叶片被用于调查,这些叶片已知在特定位置的内表面有热腐蚀损伤。x射线CT能够准确地识别热腐蚀的存在,以及它在感兴趣的位置通过墙壁的程度。磁导率技术被发现可以准确地识别是否在感兴趣的位置发生了热腐蚀损伤,但不能准确地确定损伤通过壁的程度。通过对部分叶片的无损检测,验证了无损检测的结果。通过研究评估的非破坏性测试方法能够确定内部表面局部热腐蚀损伤的存在和程度,从而实现更高的修复收率。
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Non-Destructive Inspection of Hot Corrosion Damage On Internal Surfaces of Turbine Blades
Abstract Two non-destructive techniques for the identification of hot corrosion damage on internal surfaces were investigated: magnetic permeability measurements and x-ray computed tomography (CT). A group of sixty-one Solar Titan 130 stage 1 blades which were known to have hot corrosion damage on the internal surfaces at a specific location were used for the investigation. X-ray CT was able to accurately identify the presence of hot corrosion as well as the extent to which it had progressed through the wall at the location of interest. The magnetic permeability technique was found to accurately identify whether hot corrosion damage had occurred at the location of interest, but could not as accurately determine the extent to which the damage had progressed through the wall. The results of the non-destructive testing were validated by destructive examination of some blades. The non-destructive testing methods evaluated through the study were able to determine the presence and extent of localized hot corrosion damage on internal surfaces, allowing for higher repair yields.
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来源期刊
CiteScore
3.80
自引率
20.00%
发文量
292
审稿时长
2.0 months
期刊介绍: The ASME Journal of Engineering for Gas Turbines and Power publishes archival-quality papers in the areas of gas and steam turbine technology, nuclear engineering, internal combustion engines, and fossil power generation. It covers a broad spectrum of practical topics of interest to industry. Subject areas covered include: thermodynamics; fluid mechanics; heat transfer; and modeling; propulsion and power generation components and systems; combustion, fuels, and emissions; nuclear reactor systems and components; thermal hydraulics; heat exchangers; nuclear fuel technology and waste management; I. C. engines for marine, rail, and power generation; steam and hydro power generation; advanced cycles for fossil energy generation; pollution control and environmental effects.
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