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Title: Ultrasonic Detection Of Internal Corrosion
Author: Ronald C. Peterson
Source: American Gas Association 1977
Year Published: 1977
Abstract: Holosonics, Inc. has developed an Ultrasonic Imaging System which simultaneously presents multiple three-dimensional images of either the near surface or the far surface of a pipeline wall. These fully interpreted images present the length, geometry, width, and depth of anomalies in the form of three-dimensional pictures which can consistently describe corrosion, pits, erosion/ corrosion, or the loss of material from the inner surface of the pipe wall. One of the several simultaneous image presentations, which can be either a B-Scan or a Multi-Line B-Scan (See Figs. 3 through 10). provide the investigator with the depth of the corrosion or the amount of pipe wall material remaining. These electronically sectioned B-Scan views may be accompanied by a digital numerical readout in thousandths of an inch.

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