Analysis of surface defects using the ultrasonic Rayleigh surface wave

Name: Analysis of surface defects using the ultrasonic Rayleigh surface wave
Brand: VDM Verlag Dr. Müller
SKU: 9783639174601
Price: 61.18 EUR
Availability: InStock

A step towards an accurate, fast and reliable NDT technique for surface defects

Автор: Fan Yichao

Език:

Корици: С меки корици

Издател: VDM Verlag Dr. Müller

Наличност: Налично при издателя, по поръчка

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Surface defects, such as gauge corner cracking on the§railway track can be a difficult class of defe...

Информация за книгата

Автор

Fan Yichao

Език

Немски език

Корици

Книга - С меки корици

Издадена

2009

страници

140

EAN

9783639174601

Enbook ID

06825763

Издател

VDM Verlag Dr. Müller

Теглоt

231

Размери

149 x 221 x 12

Пълно описание

Surface defects, such as gauge corner cracking on the§railway track can be a difficult class of defects for§existing on-line non-destructive testing techniques§to detect and size accurately at high speed. There§are economic and safety benefits to have an accurate,§fast and reliable NDT technique to detect such§defects. The EMAT pitch-catch ultrasonic testing§technique, using the Rayleigh surface wave, has been§shown to be able to detect and size surface defects.§The pitch-catch geometry also allows this technique§to be used at high speed on-line NDT applications.§This research has also identified a number of§ultrasonic signal features that arise from the§interaction between the surface wave and surface§defects, such as: the non-linear laser generation§effect, the signal enhancement effect, and the§Rayleigh wave recovery effects. They can have§potential NDT applications for detecting and sizing§surface defects. The ferrite enhanced EMAT is able to§generate similar ultrasonic surface waves to the§conventional EMATs, in some cases, with higher§generation efficiency and better stand-off§performance. This research should be of interest to§those in ultrasonic NDT community.

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Analysis of surface defects using the ultrasonic Rayleigh surface wave

A step towards an accurate, fast and reliable NDT technique for surface defects

Информация за книгата

Пълно описание

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