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Title: Triple-material stress-strain resistivity gage

Abstract

A triple material piezoresistive gage provides multi-component elastic stress measurements is disclosed. Thin foils of three piezoresistive materials, e.g. ytterbium, manganin, and constantan, are configured in a nested serpentine rectilinear grid or other grid arrangement and embedded in a medium, preferably normal to the direction of shock wave propagation. The output of the gage is a resistivity change history for each material of the gage. Each resistivity change is independent of the others so that three diagonal components of the elastic stress or strain tensor can be calculated from the resistivity measurements. 4 figs.

Inventors:
Issue Date:
OSTI Identifier:
7266209
Patent Number(s):
4744252 A
Application Number:
PPN: US 7-051560
Assignee:
Dept. of Energy, Washington, DC (United States) PTO; EDB-94-118389
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Resource Relation:
Patent File Date: 19 May 1987
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 42 ENGINEERING; STRAIN GAGES; DESIGN; ELASTICITY; MATERIALS; MEASURING METHODS; PIEZOELECTRICITY; ELECTRICITY; MEASURING INSTRUMENTS; MECHANICAL PROPERTIES; TENSILE PROPERTIES; 440800* - Miscellaneous Instrumentation- (1990-); 420500 - Engineering- Materials Testing

Citation Formats

Stout, R.B. Triple-material stress-strain resistivity gage. United States: N. p., 1988. Web.
Stout, R.B. Triple-material stress-strain resistivity gage. United States.
Stout, R.B. Tue . "Triple-material stress-strain resistivity gage". United States.
@article{osti_7266209,
title = {Triple-material stress-strain resistivity gage},
author = {Stout, R.B.},
abstractNote = {A triple material piezoresistive gage provides multi-component elastic stress measurements is disclosed. Thin foils of three piezoresistive materials, e.g. ytterbium, manganin, and constantan, are configured in a nested serpentine rectilinear grid or other grid arrangement and embedded in a medium, preferably normal to the direction of shock wave propagation. The output of the gage is a resistivity change history for each material of the gage. Each resistivity change is independent of the others so that three diagonal components of the elastic stress or strain tensor can be calculated from the resistivity measurements. 4 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1988},
month = {5}
}