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Title: Semi-automatic system for ultrasonic measurement of texture

Abstract

A means and method are disclosed for ultrasonic measurement of texture nondestructively and efficiently. Texture characteristics are derived by transmitting ultrasound energy into the material, measuring the time it takes to be received by ultrasound receiving means, and calculating velocity of the ultrasound energy from the timed measurements. Textured characteristics can then be derived from the velocity calculations. One or more sets of ultrasound transmitters and receivers are utilized to derive velocity measurements in different angular orientations through the material and in different ultrasound modes. An ultrasound transmitter is utilized to direct ultrasound energy to the material and one or more ultrasound receivers are utilized to receive the same. The receivers are at a predetermined fixed distance from the transmitter. A control means is utilized to control transmission of the ultrasound, and a processing means derives timing, calculation of velocity and derivation of texture characteristics. 5 figures.

Inventors:
;
Issue Date:
OSTI Identifier:
7027558
Patent Number(s):
5048340
Application Number:
PPN: US 7-485178
Assignee:
Iowa State University Research Foundation, Inc., Ames, IA (United States)
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Patent
Resource Relation:
Patent File Date: 26 Feb 1990
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; MATERIALS; TEXTURE; ULTRASONIC TESTING; CONTROL SYSTEMS; ELECTRONIC EQUIPMENT; VELOCITY; ACOUSTIC TESTING; EQUIPMENT; MATERIALS TESTING; NONDESTRUCTIVE TESTING; TESTING; 420500* - Engineering- Materials Testing

Citation Formats

Thompson, R B, and Wormley, S J. Semi-automatic system for ultrasonic measurement of texture. United States: N. p., 1991. Web.
Thompson, R B, & Wormley, S J. Semi-automatic system for ultrasonic measurement of texture. United States.
Thompson, R B, and Wormley, S J. Tue . "Semi-automatic system for ultrasonic measurement of texture". United States.
@article{osti_7027558,
title = {Semi-automatic system for ultrasonic measurement of texture},
author = {Thompson, R B and Wormley, S J},
abstractNote = {A means and method are disclosed for ultrasonic measurement of texture nondestructively and efficiently. Texture characteristics are derived by transmitting ultrasound energy into the material, measuring the time it takes to be received by ultrasound receiving means, and calculating velocity of the ultrasound energy from the timed measurements. Textured characteristics can then be derived from the velocity calculations. One or more sets of ultrasound transmitters and receivers are utilized to derive velocity measurements in different angular orientations through the material and in different ultrasound modes. An ultrasound transmitter is utilized to direct ultrasound energy to the material and one or more ultrasound receivers are utilized to receive the same. The receivers are at a predetermined fixed distance from the transmitter. A control means is utilized to control transmission of the ultrasound, and a processing means derives timing, calculation of velocity and derivation of texture characteristics. 5 figures.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1991},
month = {9}
}

Patent:
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