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Apparatus for measuring tensile and compressive properties of solid materials at cryogenic temperatures

Patent ·
OSTI ID:868248
 [1];  [2];  [3];  [4]
  1. Oaklawn, IL
  2. St. Charles, IL
  3. Burr Ridge, IL
  4. Downers Grove, IL
+ Show Author Affiliations

An apparatus for evaluating the tensile and compressive properties of material samples at very low or cryogenic temperatures employs a stationary frame and a dewar mounted below the frame. A pair of coaxial cylindrical tubes extend downward towards the bottom of the dewar. A compressive or tensile load is generated hydraulically and is transmitted by the inner tube to the material sample. The material sample is located near the bottom of the dewar in a liquid refrigerant bath. The apparatus employs a displacement measuring device, such as a linear variable differential transformer, to measure the deformation of the material sample relative to the amount of compressive or tensile force applied to the sample.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
DOE Contract Number:
AC02-76CH03000
Assignee:
Universities Research Association, Inc. (Washington, DC)
Patent Number(s):
US 5105626
OSTI ID:
868248
Country of Publication:
United States
Language:
English

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Related Subjects

/62/73/
amount
apparatus
apparatus employs
applied
bath
below
bottom
coaxial
coaxial cylindrical
compressive
compressive properties
cryogenic
cryogenic temperature
cryogenic temperatures
cylindrical
cylindrical tube
deformation
device
dewar
differential
differential transformer
displacement
downward
employs
evaluating
extend
force
force applied
frame
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inner
inner tube
linear
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liquid
liquid refrigerant
load
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located near
material
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material samples
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mounted
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properties
refrigerant
relative
sample
sample relative
samples
solid
solid material
solid materials
stationary
stationary frame
temperatures
tensile
tensile force
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transformer
transmitted
tube
tubes
tubes extend
variable
variable differential