Optimizing [SiO2]/([P2O5] + [Al2O3]) Ratio on Elasto-Mechanic-Radiation Shielding Hallmarks of Li2O⋅MgO⋅Al2O3⋅SiO2⋅TiO2⋅ZrO2 Glasses

被引:3
|
作者
Al-Omari, S. [1 ]
Afaneh, F. [1 ]
Elsad, R. A. [2 ]
Rammah, Y. S. [3 ]
Khattari, Z. Y. [1 ]
机构
[1] Hashemite Univ, Fac Sci, Dept Phys, POB 330127, Zarqa 13133, Jordan
[2] Menoufia Univ, Basic Engn Sci Dept, Fac Engn, Shibin Al Kawm 32511, Egypt
[3] Menoufia Univ, Fac Sci, Dept Phys, Shibin Al Kawm 32511, Menoufia, Egypt
关键词
Radiation-shield; Mechanical moduli; Glass-ceramics; OMV; OPD; GLASS-CERAMICS; DOSIMETRIC PROPERTIES; SYSTEM; NMR;
D O I
10.1007/s12633-023-02729-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The radiation, elastic-mechanic-characteristics of LMAS (Li2O-MgO-Al2O3-SiO2) glass systems influenced by the molar ratio [SiO2]/([P2O5] + [Al2O3]) additions were investigated. Within the incoming photon energies: 0.015 to 15.0 MeV spanned in this study, both XCOM and Phy-X/PSD codes were utilized. The outcomes demonstrate that substituting P2O5 with Al2O3 at the expense of SiO2 led to an increase in glass density from 3.021 to 3.26 g/cm(3), which, in turn, decreased the LAC from 2.633 to 2.534 cm(-1) at E = 400 keV. The MAC values were found to be 6.721 < MAC < 7.004 g/cm(2) at low photon energy.The uppermost values of MAC were observed for the glass-system encoded as 0P-5AF with a direct relationship to energy. The highest effective-atomic-number (Z(eff)) was recorded at E = 20 keV, and ranged from 18.13 to 19.31 for the LMAS samples. Subsequently, Z(eff) declined rapidly to a value around 9.75 at E = 1.0 MeV, and slightly increased above E = 1.50 MeV. Furthermore, the tenth-value-layer (TVL) values bare that an decrease of [SiO2]/([P2O5] + [Al2O3]) mol% from 0.0 to 20.8% decreased the thickness required to stop or obstruct photons (e.g., 11.974 < TVL < 11.241 cm at E = 1.0 MeV). The 3P-5A sample exhibited the highest half-value-layer 0.033 < HVL < 10.666 cm, while the 2P-16A sample had the lowest HVL. The optimized ratio [SiO2]/([P2O5] + [Al2O3]) was found to be 6.8.The radiation shield hallmarks of the LMAS glass blocks developed as the ratio [SiO2]/([P2O5] + [Al2O3]) enhanced in the glass samples. The elastic moduli were found to depend on this ratio content molar concentration. Accordingly, the radiation shielding properties are also correlated in same manner. Also, the calculated elastic-mechanical intrinsic of these transparent blocks, include the molar volume (V-m), which increased from 18.157 to 19.92 cm(3)/mol, and the free-energy (G) from 71.895 to 83.313 kJ/cm(3) were found to depend on the nominated mol%.
引用
收藏
页码:1005 / 1013
页数:9
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