Çelik, Alüminyum ve Titanyum Alaşımlarında Hu2003 Akma Kriteri Performansının Araştırılması

Year 2019, , 1 - 18, 29.03.2019

Süleyman Kılıç , Fahrettin Öztürk , Serkan Toros

https://doi.org/10.31200/makuubd.473166

Abstract

Sonlu
elemanlar analiz programlarının tahminlerinin doğruluğunu arttırmak için malzeme
modelinin doğru seçilmesi gerekmektedir. Çünkü her malzeme için her model iyi
tahmin yapamamaktadır. Bu çalışma kapsamında izotropik (von Mises, Tresca) ve
anizotropik (Hu2003) akma kriterlerinin çeşitli malzemeler için performansları
incelenmiştir. Hu2003 akma kriteri 7 parametre ile tahmin yapabilen bir modeldir.
Yapılan incelemeler sonucunda Hu2003 akma kriterinin çok başarılı tahminler
yaptığı görülmüştür.

Keywords

St14, AA5182-O, AA6181-T4, Ti–6Al–4V, Hu2003

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