An Anomalous Decrease of the Elastic Moduli at Very Low Temperatures in Some 300 Series Stainless Steels

  • R. P. Reed
  • R. P. Mikesell
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 10)


Many AIS I 300 series steels are used for a variety of applications at cryogenic temperatures. For some applications an accurate knowledge of Young’s modulus and the shear modulus is very useful. For this reason, the elastic moduli of a number of materials were measured isothermally at low temperatures in conjunction with other mechanical property tests. Some of the 300 series stainless steels exhibited a decrease between 76° and 20°K. This anomaly was documented by additional shear modulus measurements of AISI 302, 303, and 310 steels in both the annealed and cold drawn conditions. For these tests, a torsion apparatus was used to measure the shear modulus and a special strain gauge extenso-meter was used to measure the Young’s modulus. The decrease in moduli has been attributed to a paramagnetic to antiferromagnetic transition which occurs in 18Cr-8Ni alloys in the temperature range 37° to 42°K. This paper presents a brief summary of the experimental techniques and the experimental results of the above program.


Elastic Modulus Shear Modulus Mechanical Property Test Antiferromagnetic Transition Cryogenic Engineer 
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Copyright information

© Plenum Press, New York 1965

Authors and Affiliations

  • R. P. Reed
    • 1
  • R. P. Mikesell
    • 1
  1. 1.CELD National Bureau of StandardsBoulderUSA

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