SUB-MHZ ULTRASONIC INSPECTION

亚兆赫超声波检测

基本信息

批准号：
EP/K031201/1
负责人：
David Hutchins
金额：
$ 33.38万
依托单位：
University of Warwick
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2013
资助国家：
英国
起止时间：
2013 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FK031201%2F1
关键词：
SUB MHZ ULTRASONIC INSPECTION

项目摘要

This proposal is associated with the targeted research programme of the UK Research Centre for NDE (RCNDE), an EPSRC-supported research centre. It is clear from discussions held with both academics and industrial members within RCNDE that the ultrasonic inspection of highly scattering/attenuating materials is still a large problem that needs to be addressed. The particular materials in question - such as thermal insulation materials, refractory linings, rubbers and thick sections of glass fibre reinforced polymer composites - are industrially very important. In many cases, there are not many alternatives for inspection, in particular if portability and non-radiological methods are required. The research will investigate new ways in which ultrasonic frequencies below 1 MHz can be applied to this problem. This will require research into various aspects of the measurement. Firstly, new transducer designs will be needed, that can generate signals with the required bandwidth. It is planned to try micro fibre composite (MFC) devices for this, teamed up with more conventional PZT elements. These will then be used with various forms of coded waveform, so that cross-correlation can enhance the measurement in terms of detectability and reduced signal to noise levels. In addition, scattering from interfaces and non-defect objects casue clutter in the signal. It is planned to investigate ways of reducing these effects, byusing other ideas such as (a) using a collimation system, and (b) using polarised shear waves. Finally, a system will be dseigned which uses some or all of these elements, and which can tuned to operate at different frequency ranges, depending on the application.The work will be performed in collaboration with three industrial sectors: marine vessel manufacture, the oil and gas industries, and metal forming. All have particular problems with methods of inspecting acoustically attenuating and scattering material. These include coatings and thick composites; thermal insulation layers, corrosion under insulation, and risers; refractory materials, and others. As part of the work, the research will be used to design a portable system that can be used in these industries. This will be tested in the laboratory, before field tests are performed in each case.

该提案与英国无损检测研究中心 (RCNDE) 的目标研究计划相关，该中心是 EPSRC 支持的研究中心。从 RCNDE 内学术界和工业界成员的讨论中可以清楚地看出，高散射/衰减材料的超声波检测仍然是一个需要解决的大问题。所讨论的特殊材料——例如隔热材料、耐火衬里、橡胶和玻璃纤维增强聚合物复合材料的厚截面——在工业上非常重要。在许多情况下，检查的替代方案并不多，特别是在需要便携性和非放射性方法的情况下。该研究将探讨将低于 1 MHz 的超声波频率应用于解决此问题的新方法。这需要对测量的各个方面进行研究。首先，需要新的传感器设计，能够生成具有所需带宽的信号。计划为此尝试微纤维复合材料 (MFC) 设备，并与更传统的 PZT 元件配合使用。然后将它们与各种形式的编码波形一起使用，以便互相关可以增强测量的可检测性并降低信噪比。此外，界面和无缺陷物体的散射也会导致信号混乱。计划通过使用其他想法来研究减少这些影响的方法，例如（a）使用准直系统和（b）使用偏振剪切波。最后，将设计一个系统，该系统使用部分或全部这些元件，并且可以根据应用进行调整以在不同的频率范围内运行。这项工作将与三个工业部门合作进行：船舶制造、石油和天然气工业以及金属成型。所有这些都在检查声学衰减和散射材料的方法方面存在特殊问题。其中包括涂层和厚复合材料；隔热层、隔热层下的腐蚀和立管；耐火材料等。作为工作的一部分，该研究将用于设计可用于这些行业的便携式系统。在对每种情况进行现场测试之前，将在实验室进行测试。

项目成果

期刊论文数量（7）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Ultrasonic Nondestructive Evaluation Systems - Industrial Application Issues

超声波无损评估系统 - 工业应用问题

DOI：
10.1007/978-3-319-10566-6_4
发表时间：
2015
期刊：
影响因子：
0
作者：
Caporale S
通讯作者：
Caporale S

Ultrasonic NDE of thick polyurethane flexible riser stiffener material

DOI：
10.1080/10589759.2016.1241253
发表时间：
2017-10
期刊：
Nondestructive Testing and Evaluation
影响因子：
2.6
作者：
I. Mohamed;D. Hutchins;L. Davis;S. Laureti;M. Ricci
通讯作者：
I. Mohamed;D. Hutchins;L. Davis;S. Laureti;M. Ricci

Pulse Compression Ultrasonic Non Destructive Evaluation of Thick Polymer Samples

厚聚合物样品的脉冲压缩超声波无损评估

DOI：
发表时间：
2014
期刊：
影响因子：
0
作者：
Moammed, I
通讯作者：
Moammed, I

The use of pulse-compression thermography for detecting defects in paintings

DOI：
10.1016/j.ndteint.2018.05.003
发表时间：
2018-09-01
期刊：
NDT & E INTERNATIONAL
影响因子：
4.2
作者：
Laureti, S.;Sfarra, S.;Ricci, M.
通讯作者：
Ricci, M.

Optimization of the pulse-compression technique applied to the infrared thermography nondestructive evaluation

DOI：
10.1016/j.ndteint.2017.01.011
发表时间：
2017-04
期刊：
Ndt & E International
影响因子：
4.2
作者：
G. Silipigni;P. Burrascano;D. Hutchins;S. Laureti;R. Petrucci;L. Senni;L. Torre;M. Ricci
通讯作者：
G. Silipigni;P. Burrascano;D. Hutchins;S. Laureti;R. Petrucci;L. Senni;L. Torre;M. Ricci