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Title: Semi-automatic for ultrasonic measurement of texture

Abstract

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 improved reliability and accuracy. The method can be utilized in production on moving metal plate or sheet. 9 figs.

Inventors:
; ; ;
Issue Date:
OSTI Identifier:
7068596
Patent Number(s):
4899589 A
Application Number:
PPN: US 7-188495
Assignee:
Iowa State Univ. Research Foundation, Ames, IA (United States) PTO; EDB-94-117842
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Patent
Resource Relation:
Patent File Date: 29 Apr 1988
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; PLATES; TEXTURE; ULTRASONIC TESTING; SHEETS; METALS; ON-LINE MEASUREMENT SYSTEMS; ULTRASONIC WAVES; WAVE PROPAGATION; ACOUSTIC TESTING; ELEMENTS; MATERIALS TESTING; NONDESTRUCTIVE TESTING; ON-LINE SYSTEMS; SOUND WAVES; TESTING; 420500* - Engineering- Materials Testing

Citation Formats

Thompson, R.B., Smith, J.F., Lee, S.S., and Li, Y. Semi-automatic for ultrasonic measurement of texture. United States: N. p., 1990. Web.
Thompson, R.B., Smith, J.F., Lee, S.S., & Li, Y. Semi-automatic for ultrasonic measurement of texture. United States.
Thompson, R.B., Smith, J.F., Lee, S.S., and Li, Y. Tue . "Semi-automatic for ultrasonic measurement of texture". United States.
@article{osti_7068596,
title = {Semi-automatic for ultrasonic measurement of texture},
author = {Thompson, R.B. and Smith, J.F. and Lee, S.S. and Li, Y.},
abstractNote = {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 improved reliability and accuracy. The method can be utilized in production on moving metal plate or sheet. 9 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1990},
month = {2}
}