Sökning: "Vighneish Selvaraj Nadar"

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1. 1. Fatigue testing of scratched flapper valve steel

   Master-uppsats, Avdelningen för maskin- och materialteknik

   Författare :vighneish selvaraj nadar; [2014]
   Nyckelord :flapper valve steel; fatigue testing; fatigue life measurements and comparison; stair case method; fatigue fractures;

   Sammanfattning : A flapper valve is made from a hardened and tempered high strength strip steel which opens and shuts as it is subjected to very high cyclic loads. Steel strip of which flapper valves are made from can   encounter a surface defect which are anticipated to influence fatigue life negatively. LÄS MER