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Title: Bimetallic strip for low temperature use. [4-300/sup 0/K]

Abstract

A class of mechanically pre-stressed structures is provided suitably bi-layer strips, consisting of a layer of group 5 transition metals in intimate contact with a layer of an intermetallic compound of transition metals with certain group 3A, 4A or 5A metals or metalloids such as Ga, In, Si, Ge, Sn, As or Sb. The changes of Young's modulus of these bi-layered combinations at temperatures in the region of somewhat above absolute zero provides a useful means of sensing temperature changes. Such bi-metallic strips may be used as control strips in thermostats, or in direct dial reading instruments. The structures are made by preparing a sandwich of a group 5B transition metal strip between the substantially thicker strips of an alloy between copper and a predetermined group 3A, 4A or 5A metal or metalloid, holding the three layers are heated, cooled the copper alloys and is removed. Removing one of the two formed interlayer alloys between the transition metal and the metal previously alloyed with copper remain.

Inventors:
; ;
OSTI Identifier:
5345732
Assignee:
TIC; ERA-05-026267; EDB-80-079131
DOE Contract Number:  
EY-76-C-02-0016
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; SUPERCONDUCTING DEVICES; DESIGN; THERMOMETERS; YOUNG MODULUS; TEMPERATURE EFFECTS; ALUMINIUM; ANTIMONY; ARSENIC; COPPER; GERMANIUM; INDIUM; LAYERS; SILICON; STEELS; TEMPERATURE MEASUREMENT; THERMOSTATS; TIN; ALLOYS; CONTROL EQUIPMENT; ELEMENTS; EQUIPMENT; IRON ALLOYS; IRON BASE ALLOYS; MEASURING INSTRUMENTS; MECHANICAL PROPERTIES; METALS; SEMIMETALS; TRANSITION ELEMENTS; 440300* - Miscellaneous Instruments- (-1989); 360101 - Metals & Alloys- Preparation & Fabrication; 420201 - Engineering- Cryogenic Equipment & Devices

Citation Formats

Bussiee, J F, Welch, D O, and Suenaga, M. Bimetallic strip for low temperature use. [4-300/sup 0/K]. United States: N. p., Web.
Bussiee, J F, Welch, D O, & Suenaga, M. Bimetallic strip for low temperature use. [4-300/sup 0/K]. United States.
Bussiee, J F, Welch, D O, and Suenaga, M. . "Bimetallic strip for low temperature use. [4-300/sup 0/K]". United States.
@article{osti_5345732,
title = {Bimetallic strip for low temperature use. [4-300/sup 0/K]},
author = {Bussiee, J F and Welch, D O and Suenaga, M},
abstractNote = {A class of mechanically pre-stressed structures is provided suitably bi-layer strips, consisting of a layer of group 5 transition metals in intimate contact with a layer of an intermetallic compound of transition metals with certain group 3A, 4A or 5A metals or metalloids such as Ga, In, Si, Ge, Sn, As or Sb. The changes of Young's modulus of these bi-layered combinations at temperatures in the region of somewhat above absolute zero provides a useful means of sensing temperature changes. Such bi-metallic strips may be used as control strips in thermostats, or in direct dial reading instruments. The structures are made by preparing a sandwich of a group 5B transition metal strip between the substantially thicker strips of an alloy between copper and a predetermined group 3A, 4A or 5A metal or metalloid, holding the three layers are heated, cooled the copper alloys and is removed. Removing one of the two formed interlayer alloys between the transition metal and the metal previously alloyed with copper remain.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {},
month = {}
}