Sökning: "Samira Eskandarmianji"

Hittade 1 uppsats innehållade orden Samira Eskandarmianji.

  1. 1. Quality assurance of PVC by using Non-linear Acoustic Techniques

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Samira Eskandarmianji; [2013]
    Nyckelord :Nonlinear acoustic techniques; ultrasonic techniques; piezoelectric materials; sound wave velocity; sound wave attenuation; B A; second order nonlinearity parameter. ;

    Sammanfattning : In this thesis, a Nonlinear Acoustic Technique (NAT) has been used to do a non-destructive quality assurance of plasticized polyvinyl chloride (PVC) specimens. The response of the specimen to an ultrasonic wave is analyzed in order to characterize its material properties. LÄS MER