ULTRASONIC PHASED ARRAY DETECTION OF CRACKS IN DEEPWATER FASTENER NUTS

被引：0

作者：

Pires, G. P. ^{[1
]}

Rebello, J. M. A. ^{[2
]}

Lupien, V. ^{[3
]}

机构：

[1] Petrobras Res & Dev Ctr CENPES, Rio De Janeiro, RJ, Brazil

[2] Univ Rio de Janeiro, Dept Met & Mat Engn, Rio De Janeiro, Brazil

[3] Acoust Ideas Inc, Wakefield, MA USA

来源：

REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 31A AND 31B | 2012年 / 1430卷

关键词：

Ultrasonic Phased Array; Simulation; Crack; Fastener Nut; DESIGN;

D O I：

10.1063/1.4716314

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This work explores the versatility of ultrasonic phased arrays for detecting cracks in fastener nuts in a deepwater environment using a remotely operated vehicle (ROV). Inspection solutions must overcome access and movement restrictions imposed on the probe by the ROV. Three approaches are proposed to address this problem using electronically moving apertures, beam steering and extensive use of multiple reflections from the hexagonal geometry. The approaches are tested both by simulations and experiments and an inspection strategy is outlined.

引用

页码：857 / 864

页数：8

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