EpiXS Simülasyonu ile Al 2124 Matrisli Kompozitlerde Gama Zırhlama Analizi

Öz

Al 2124 alaşımına ağırlıkça %3, %6, %9 ve %12 oranlarında CoSO4 seramik malzemesi eklenerek teorik olarak tasarlanan kompozit malzemeler, EpiXS programı kullanılarak 1 keV ile 1x10⁶ keV enerji aralığında gama geçirgenlik özellikleri açısından analiz edildi. Serbest ortalama mesafe (MFP), yarı değer kalınlığı (HVL), doğrusal zayıflama katsayısı (LAC) parametreleri, 241Am, 133Ba, 109Cd, 57Co, 60Co,152Eu, 137Cs vd. gama radyasyon kaynakları kullanılarak analiz edilmiştir. Analiz sonucun da Al 2124 içerisindeki ağırlıkça CoSO4’ün artması ile beraber kompozit malzemelerin LAC değerleri artar iken HVL ve MFP değerleri azaldığı tespit edilmiştir. 1 keV ile 1x106 keV foton enerji aralığında Al 2124 malzemesi yaklaşık 1.49x10-4 cm - 7.72 cm aralığında değişen değerleri ile en yüksek HVL değerini alırken yaklaşık 4661.03 cm-1 - 0.09 cm-1 değişen derler ile en düşük LAC değerlerini almıştır. En yüksek LAC değerlerini ise içeresinde ağırlıkça en yüksek CoSO4 oranına sahip Al 2124+ %12 CoSO4 kompozit malzemesi yaklaşık 6417.7 cm-1- 0.095 cm-1 arasında değişen LAC değerlerini almıştır. En iyi foton zırhlama performansını göstermesinden dolayı HVL değeri yaklaşık 1.08x10-4 cm- 7.3 cm arasında değişen değerler almıştır.

Anahtar Kelimeler

• Al 2124
• CoSO4
• gama zırhlama
• EpiXS

Gamma Shielding Analysis in Al 2124 Matrix Composites with EpiXS Simulation

Öz

Composite materials theoretically designed by adding CoSO4 ceramic material to Al 2124 alloy in proportions of 3-6-9-12% by weight were analyzed for gamma transmittance properties in the energy range of 1 keV to 1x10⁶ keV using the EpiXS program. The mean free path (MFP), half-value layer (HVL), and linear attenuation coefficient (LAC) parameters were analyzed using gamma radiation sources, including 241Am, 133Ba, 109Cd, 57Co, 60Co, 152Eu, and 137Cs. As a result of the analysis, it was determined that with the increase in CoSO4 by weight in Al 2124, the LAC values of the composite materials increased, while the HVL and MFP values decreased. In the photon energy range from 1 keV to 1x106 keV, the Al 2124 material had the highest HVL value with values ranging from approximately 1.49x10-4 cm to 7.72 cm, while it had the lowest LAC values with values ranging from approximately 4661.03 cm-1 to 0.09 cm-1. The highest LAC values were obtained by the Al 2124+ 12% CoSO4 composite material, which has the highest CoSO4 ratio by weight, with LAC values ranging from approximately 6417.7 cm-1 to 0.095 cm-1. Due to its best photon shielding performance, its HVL had values ranging from approximately 1.08x10-4 cm to 7.3 cm.

Anahtar Kelimeler

• Al 2124
• CoSO4
• gamma shielding
• EpiXS

Kaynakça

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