Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study

Ufuk Perişanoğlu

doi:10.53433/yyufbed.1497606

TR EN

Yüksek Entropili Alaşımların Gama Radyasyonundan Koruma Etkinliği: Karşılaştırmalı Bir Çalışma

Öz

Yüksek entropili alaşımlar (HEA'lar), yaklaşık eşit oranlarda dört veya daha fazla temel elementin benzersiz bileşimiyle karakterize edilen ve çeşitli uygulamalar için olağanüstü özellikler sunan yeni bir malzeme sınıfını temsil eder. Bu çalışma, FeCoNiCrMn, TaNbHfZrTi, NbMoTaW, AlMoNbV ve NbTaTiV gibi seçili HEA'ların gama zırhlama parametrelerini araştırmaktadır. EpiXS programı kullanılarak 0.015-15 MeV enerji aralığında kütle azaltma katsayıları (MAC) hesaplanmış ve bu sonuçlar WinXCOM yazılımı ile doğrulanmıştır. Bulgular, MAC değerlerinin, fotoelektrik etki nedeniyle düşük foton enerjilerinde en yüksek olduğunu ve belirli elementlerin K-soğurma kıyılarına karşılık gelen belirgin pikler gösterdiğini ortaya koymaktadır. 0,015 MeV foton enerjisinde, FeCoNiCrMn, TaNbHfZrTi, NbMoTaW, AlMoNbV ve NbTaTiV alaşımları için MAC değerleri sırasıyla 57.6, 90.4, 98.9, 27.8 ve 81.5 cm²/g'dır. Bu alaşımlar arasında NbMoTaW en yüksek MAC değerini sergilerken, AlMoNbV en düşük değeri göstermektedir. Yarı kalınlık (HVL) ve ortalama serbest yol (MFP) değerleri de tüm foton enerjilerinde NbMoTaW için daha ince bulunmuştur. Ayrıca, etkin atom numarası (Zeff) ve maruz kalma birikim faktörleri (EBF) de analiz edilmiştir. Sonuçlar, NbMoTaW ve TaNbHfZrTi'nin, geleneksel koruma malzemelerine kıyasla üstün radyasyon koruma yetenekleri sunduğunu ve gama radyasyonuna maruz kalan ortamlarda daha yüksek kullanılabilirlik sağladığını göstermektedir. Bu bulgular, HEA'ların gelişmiş zırhlama uygulamalarında vaat ettiklerinin altını çizerek, yüksek taleplerin olduğu sektörlerde güvenlik ve performansı artırma yeteneklerini ortaya koymaktadır.

Anahtar Kelimeler

Birikim faktörü, Etkin atom numarası, Gama zırhlama, Kütle azaltma katsayısı, Yarı değer kalınlığı, Yüksek entropili alaşımlar

Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study

Öz

High entropy alloys (HEAs) represent a novel class of materials characterized by their unique composition of four or more principal elements in near-equiatomic ratios, offering exceptional properties for various applications. This study investigates the gamma radiation shielding parameters of selected HEAs, namely FeCoNiCrMn, TaNbHfZrTi, NbMoTaW, AlMoNbV, and NbTaTiV. Mass attenuation coefficients (MAC) were calculated by using EpiXS program over a photon energy range of 0.015-15 MeV and these results were verified using with the WinXCOM software. The results show that the MAC values are highest at low photon energies due to the photoelectric effect, with notable peaks corresponding to the K-shell absorption edges of specific elements. At photon energy of 0.015 MeV, the MAC values for the FeCoNiCrMn, TaNbHfZrTi, NbMoTaW, AlMoNbV, and NbTaTiV alloys are 57.6, 90.4, 98.9, 27.8, and 81.5 cm²/g, respectively. Among these alloys, NbMoTaW exhibits the highest MAC value, whereas AlMoNbV displays the lowest. The half-value layer (HVL) and mean free path (MFP) values were also found thinner for NbMoTaW at all of the photon energies. Additionally, the effective atomic number (Zeff) and exposure buildup factors (EBF) were analyzed. The results demonstrate that NbMoTaW and TaNbHfZrTi, offer superior radiation shielding capabilities compared to conventional shielding materials, with higher usability in environments subjected to gamma radiation. These findings underscore the promise of HEAs in advanced shielding applications, showcasing their ability to enhance safety and performance in sectors with high demands.

Anahtar Kelimeler

Buildup factor, Effective atomic number, Gamma shielding, Half-value layer, High entropy alloys, Mass attenuation coefficient

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Atom ve Molekül Fiziği, Nükleer Fizik

Bölüm

Araştırma Makalesi

Yazarlar

Ufuk Perişanoğlu ^*
0000-0003-4110-2241
Türkiye

Yayımlanma Tarihi

31 Ağustos 2024

Gönderilme Tarihi

7 Haziran 2024

Kabul Tarihi

10 Temmuz 2024

Yayımlandığı Sayı

Yıl 2024 Cilt: 29 Sayı: 2

DOI

https://doi.org/10.53433/yyufbed.1497606

IZ

https://izlik.org/JA37AC44MT

APA

Perişanoğlu, U. (2024). Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 29(2), 458-467. https://doi.org/10.53433/yyufbed.1497606

AMA

1.Perişanoğlu U. Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study. YYUFBED. 2024;29(2):458-467. doi:10.53433/yyufbed.1497606

Chicago

Perişanoğlu, Ufuk. 2024. “Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study”. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi 29 (2): 458-67. https://doi.org/10.53433/yyufbed.1497606.

EndNote

Perişanoğlu U (01 Ağustos 2024) Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi 29 2 458–467.

IEEE

[1]U. Perişanoğlu, “Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study”, YYUFBED, c. 29, sy 2, ss. 458–467, Ağu. 2024, doi: 10.53433/yyufbed.1497606.

ISNAD

Perişanoğlu, Ufuk. “Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study”. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi 29/2 (01 Ağustos 2024): 458-467. https://doi.org/10.53433/yyufbed.1497606.

JAMA

1.Perişanoğlu U. Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study. YYUFBED. 2024;29:458–467.

MLA

Perişanoğlu, Ufuk. “Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study”. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi, c. 29, sy 2, Ağustos 2024, ss. 458-67, doi:10.53433/yyufbed.1497606.

Vancouver

1.Ufuk Perişanoğlu. Gamma Radiation Shielding Efficiency of High Entropy Alloys: A Comparative Study. YYUFBED. 01 Ağustos 2024;29(2):458-67. doi:10.53433/yyufbed.1497606