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A Non-Destructive Testing Method on Characterizing the Curing Process of Coated Materials with Line-Focus Surface Wave Transducer System

Yuxiang, Wang (2017) A Non-Destructive Testing Method on Characterizing the Curing Process of Coated Materials with Line-Focus Surface Wave Transducer System. Master's Thesis, University of Pittsburgh. (Unpublished)

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As part of the modern life, coating material is playing a silent but functional role in every aspect, especially among auto-mobile and medal manufacturing industry. However, the conventional coating process would typically end in a time consuming curing process that is relatively difficult to be characterized quantitatively. In this article, an efficient approach was brought upon to characterize the curing process of typical coated materials, using a line-focus transducer testing system to measure the properties of the surface wave of the coated sample.

A line focus ultrasonic testing system is established, which is completely non-invasive, timesaving, and highly automated owning to the control system written on LabView environment and a step motor platform. This research also provides some useful hint for the future reference on the operation standard of the similar testing platform.

This research mainly consists of 3 parts: 1) the brief theoretical introduction of the surface wave theorem and the establishment of the testing system. 2) the testing procedure on the coating samples with related signal process, evaluating the surface wave speed and amplitude. 3) the conclusions of the experiments and future expectations from this testing platform.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Yuxiang, Wangyuw60@pitt.eduyuw60
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Thesis AdvisorQing-Ming,
Committee MemberJeffrey,
Committee MemberPatrick,
Date: 1 February 2017
Date Type: Publication
Defense Date: 22 November 2016
Approval Date: 1 February 2017
Submission Date: 21 November 2016
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 89
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Mechanical Engineering
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: surface wave, line focus transducer, coating
Date Deposited: 01 Feb 2017 18:04
Last Modified: 02 Feb 2017 06:15


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