Evaluation the gamma, charged particle and fast neutron shielding performances of some important AISI-coded stainless steels: Part II
作者： Bünyamin Alım , Erdem Şakar , İbrahim Han , M.I. Sayyed
DOI: 10.1016/J.RADPHYSCHEM.2019.108454
关键词: Neutron 、 Proton 、 Penetration depth 、 Charged particle 、 Alpha particle 、 Neutron radiation 、 Particle radiation 、 Composite material 、 Electromagnetic shielding 、 Materials science 、 Radiation
摘要: Abstract This is the second part of a two-part study on investigation radiation shielding performances some important AISI-coded stainless steels (AISI-302, 304, 321 and 430). Part 1 addressed experimental evaluation by means measured photon-material interaction parameters. In this part, we focused calculation discussion other parameters, which are guide to choice optimum materials in nuclear processes for present steels. The have superior mechanical properties, high temperature corrosion resistances these properties can make them favorite applications. For reason, firstly, incoherent scattering/total attenuation ratio (Rinc/total) equivalent atomic number (Zeq) were calculated energy region 0.015–15 MeV. Secondly, exposure build-up factor (EBF) absorption (EABF) determined select using Geometric Progression (G-P) fitting method, five parameters (a, b, c, d XK coefficients), up penetration depth 40 MFP at Thirdly, mass stopping powers (MSPs; E / ρ x ; MeVcm2/g) ranges (Re, Rp Rα; μm) electron, proton alpha particle interactions 10 keV-20 MeV. Finally, fast neutron removal cross-sections (FNRCSs; ∑ R cm−1) calculated. To be able comparison satisfying assessment about capabilities steels, all also computed ordinary (OC), steel-scrap (SS) steel-magnetite (SM) concretes (Fe-based steel concretes) that most commonly used as material many against both gamma charged evaluated light As result mutual results obtained examined it was found had excellent compared terms photon radiation.
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