The increasing sophistication in aircraft designs has necessitated the development of more descriptive - and complex - material and component models. Effective validation of these complex models, however, requires manufacturers to pursue far more realistic simulations of airframe and turbine operating environments. Employing uni-axial testing technology to validate complex models yields less than accurate results, while full-scale tests with spinning components are expensive when evaluating design iterations. Therefore, achieving truly accurate and affordable simulation of these environments requires the use of multiaxial loading technology. This paper will review materials behavior models and fatigue damage theories and map these against required testing methodologies for validation. An integrated system with planar biaxial tension and compression loading and torsional loading capacity is reviewed as an apparatus for validation of advanced models under multiaxial loading. This new frame technology allows for efficient and accurate testing that can bridge the gap between traditional methods of uni-axial and full scale tests.


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    Title :

    Apparatus for biaxial fatigue testing


    Contributors:
    Lemmer, S. (author) / Leser, C. (author) / Peralta, P. (author) / Chattopadhyay, A. (author)


    Publication date :

    2008


    Size :

    6 Seiten, 1 Bild, 19 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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