Testing methods for mechanical properties of structural materials at cryogenic temperatures had been developed rapidly after 1980, however, until 1985 many researches on cryogenic structural materials have been reported using their own methods and new materials have been developed for ITER. Since 1986, a series of international interlaboratory comparisons on the evaluation of mechanical properties of cryogenic structural materials have been performed among the participants of US-Japan cooperation project and VAMAS (the Versailles Project on Advanced Materials and Standards) in order to establish unified test methods. Through these international collaborations and Round-Robin Tests, we have accumulated knowledge about mechanical tests at 4 K, and have prepared a draft of an international standard for tensile testing in liquid helium. After testing conditions, strain measurements and other technical points have been discussed, those drafts were submitted to ISO. The outline, development, and discussion of the documents so far, with the results of RRTs, were discussed.


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    Title :

    Evaluation of Mechanical Properties of Structural Materials at Cryogenic Temperatures and International Standardization for those methods


    Contributors:
    Ogata, T. (author)


    Publication date :

    2013


    Size :

    7 Seiten, Bilder, Tabellen, 20 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Failure Criteria for Composite Materials at Cryogenic Temperatures

    Ravishankar, Bharani / Sankar, Bhavani / Leong, Martin | AIAA | 2008





    International Standardization

    Eigl, C. / American Institute of Aeronautics and Astronautics; International Civil Aviation Organization | British Library Conference Proceedings | 1992