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  • Method of ultrasonic measurement of texture

Title: Method of ultrasonic measurement of texture

A method for measuring texture of metal plates or sheets using non-destructive ultrasonic investigation includes measuring the velocity of ultrasonic energy waves in lower order plate modes in one or more directions, and measuring phase velocity dispersion of higher order modes of the plate or sheet if needed. Texture or preferred grain orientation can be derived from these measurements with improves reliability and accuracy. The method can be utilized in production on moving metal plate or sheet.
Inventors:
 [1];  [1];  [2];  [1]
+ Show Author Affiliations
  1. (Ames, IA)
  2. (Taejon Ch'ungmam, KR)
Issue Date:
OSTI Identifier:
868951
Assignee:
Iowa State University Research Foundation, Inc. (Ames, IA) AMES
Patent Number(s):
US 5251486
Application Number:
07/924,176
Contract Number:
W-7405-ENG-82
Research Org:
Ames Laboratory (AMES), Ames, IA; Iowa State University, Ames, IA (US)
Country of Publication:
United States
Language:
English
Subject:
method; ultrasonic; measurement; texture; measuring; metal; plates; sheets; non-destructive; investigation; velocity; energy; waves; plate; modes; directions; phase; dispersion; sheet; preferred; grain; orientation; derived; measurements; improves; reliability; accuracy; utilized; production; moving; plate modes; metal plates; metal plate; ultrasonic energy; phase velocity; moving metal; grain orientation; velocity dispersion; ultrasonic measurement; plate mode; non-destructive ultrasonic; measuring texture; ultrasonic investigation; energy waves; /73/

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