Journal of the Australian Ceramic Society最新文献_第4页

Electrical and gamma ray shielding characteristics of zinc-borovanadate glasses mixed with MnO 掺MnO的硼钒酸锌玻璃的电屏蔽和γ射线屏蔽特性

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2023-01-20 DOI: 10.1007/s41779-023-00840-8

Ashwini Devidas, T. Sankarappa, Amarkumar Malge, Mohansingh Heerasingh, B. Raghavendra

{"title":"Electrical and gamma ray shielding characteristics of zinc-borovanadate glasses mixed with MnO","authors":"Ashwini Devidas, T. Sankarappa, Amarkumar Malge, Mohansingh Heerasingh, B. Raghavendra","doi":"10.1007/s41779-023-00840-8","DOIUrl":"10.1007/s41779-023-00840-8","url":null,"abstract":"<div><p>A set of glasses of composition, (ZnO)<sub>0.3</sub>-(V<sub>2</sub>O<sub>5</sub>)<sub>0.6 − <i>x</i></sub>-(B<sub>2</sub>O<sub>3</sub>)<sub>0.1</sub>-(MnO)<sub><i>x</i></sub>, where <i>x</i> = 0.05 to 2, was synthesized by melt quenching method. The powder XRD studies revealed nanocrystalline phase of the samples. Room temperature density is found to increase and molar volume to decrease with MnO concentration. Conductivity of the glasses has been measured for the temperature range 303–523 K. The conduction mechanism at high temperature is found to be consistent with Mott’s small polaron hopping and Greaves variable range hopping at low temperature. Gamma ray shielding characteristics were evaluated using Phy-X/PSD software for the energy range 0.005–15 MeV. Mass attenuation coefficient (MAC) and linear attenuation coefficient (LAC) were found to be maximum at 0.005 MeV for all the samples. Observed variations of all the shielding characteristics showed evidence for photoelectric dominance at low energy and pair production at high energy levels. Half value layer (HVL), tenth value layer (TVL) and mean free path (MFP) increased with an increase in energy. MFP decreased with an increase of MnO content. Electron density (<i>N</i><sub>eff</sub>) decreased with an increase of energy. Equivalent atomic number (<i>Z</i><sub>eq</sub>) of the samples is found to be higher than the marbles of different colours and black granite. These results indicate that the present glasses are the suitable candidates for nuclear radiation (gamma rays) shielding at lower energy.</p></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 2","pages":"391 - 402"},"PeriodicalIF":1.9,"publicationDate":"2023-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s41779-023-00840-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4789914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Effect of in situ formed acicular mullite whiskers on thermal shock resistance of alumina-mullite refractories 原位形成的针状莫来石晶须对铝莫来石耐火材料抗热震性能的影响

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2023-01-13 DOI: 10.1007/s41779-023-00832-8

Lingling Zhu, Sai Li, Zexu Gao, Xing Zhang, Liang Zhang, Hongxia Li, Guoqi Liu

{"title":"Effect of in situ formed acicular mullite whiskers on thermal shock resistance of alumina-mullite refractories","authors":"Lingling Zhu, Sai Li, Zexu Gao, Xing Zhang, Liang Zhang, Hongxia Li, Guoqi Liu","doi":"10.1007/s41779-023-00832-8","DOIUrl":"10.1007/s41779-023-00832-8","url":null,"abstract":"<div><h2>Abstract\u0000</h2><div><p>Acicular mullite whisker has been broadly applied in refractory materials, and its aspect ratio is crucial to the properties of refractories. Few studies have focused on the in situ generation of acicular mullite whiskers possessing large length-to-diameter ratio in refractories and its influence on properties (especially the thermal shock resistance) of alumina-mullite refractories. Thus, this work involves in the relationship between properties (especially the thermal shock resistance) of as-prepared alumina-mullite materials and mullite morphology (in situ formed in refractories). Different additives are introduced into alumina-mullite materials to explore the effect of growth mechanism on the aspect ratio of in situ generated mullite whisker. Moreover, the properties of alumina-mullite materials containing mullite with different morphologies are also investigated in terms of thermal shock resistance, bulk density, apparent porosity, and cold and hot mechanical strength, respectively. Results from experiments show that the acicular mullite whiskers with the length-to-diameter ratio of 30-50 present in the sample with addition of 3 wt.% AlF<sub>3</sub>·3H<sub>2</sub>O and 5 wt.% Al(OH)<sub>3</sub> powders; those as-synthesized mullite whiskers with 3-dimentional structure are conductive to relieve the stress concentration at the microcracks and then hinder crack propagation. Thereby, the thermal shock resistance of alumina-mullite material containing 3 wt.% AlF<sub>3</sub>·3H<sub>2</sub>O and 5 wt.% Al(OH)<sub>3</sub> powders is significantly enhanced and the corresponding residual CMOR ratio is raised to ~ 83.47%.</p></div></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"259 - 266"},"PeriodicalIF":1.9,"publicationDate":"2023-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4535205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Numerical and analytical investigation of ballistic performance of composite targets with ceramic-polyurea-metal layers and optimization of the layer thicknesses 陶瓷-聚氨酯-金属层复合靶弹道性能的数值分析研究及层厚优化

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2023-01-12 DOI: 10.1007/s41779-022-00829-9

S. Jafari, A. Alavi Nia

{"title":"Numerical and analytical investigation of ballistic performance of composite targets with ceramic-polyurea-metal layers and optimization of the layer thicknesses","authors":"S. Jafari, A. Alavi Nia","doi":"10.1007/s41779-022-00829-9","DOIUrl":"10.1007/s41779-022-00829-9","url":null,"abstract":"<div><h2>Abstract\u0000</h2><div><p>In this research, ballistic performance of composite armors composed of ceramic-polyurea-aluminum layers was investigated. First, in order to validate the simulation outcomes, we used two references where targets coated with ceramic-aluminum and polyurea-aluminum layers were investigated. Given the experimental designs, ballistic performance of the targets was evaluated as those were hit by a flat-nose projectile with a diameter of 7.62 mm and a length of 25.4 mm at a projectile velocity of 950 m/s using the LS-Dyna software. Subsequently, an analytical formulation was developed to estimate the ballistic limit velocity and residual velocity of the projectile. Afterwards, seeking to optimize the thicknesses of different layers on the designed targets, the residual velocity of the projectile and surface density were introduced, as objective functions, into the response surface methodology where the layer thicknesses were taken as optimization variables to check for the effect of the layer materials on the objective functions.</p></div></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"231 - 244"},"PeriodicalIF":1.9,"publicationDate":"2023-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s41779-022-00829-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4795333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Improving properties of biodegradable chitosan/PVA composite polymers via novel designed ZnO particles 利用新型ZnO颗粒改善壳聚糖/聚乙烯醇复合聚合物的性能

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2023-01-11 DOI: 10.1007/s41779-022-00830-2

Yeliz Köse, Ender Suvacı, Burcu Atlı

{"title":"Improving properties of biodegradable chitosan/PVA composite polymers via novel designed ZnO particles","authors":"Yeliz Köse, Ender Suvacı, Burcu Atlı","doi":"10.1007/s41779-022-00830-2","DOIUrl":"10.1007/s41779-022-00830-2","url":null,"abstract":"<div><p>Biodegradable polymers exhibit great potential to be a critical part of the global sustainability solution; however, their application areas are limited due to their inadequate properties for some applications. Although nano metal oxide powders are often used to improve the properties, they exhibit toxicity, phytotoxicity and uncontrolled agglomeration. Recently, designed, micron size, hexagonal platelet particles, which constitute fine primary particles (MicNo®), have been manufactured to exploit advantages of both micron and nano size, while abating the adverse effects of nanoparticles. Accordingly, the research goal of this study was to appraise effects of MicNo® ZnO and Ag-doped MicNo® ZnO particles on structure development and hence properties of chitosan/PVA films. The results show that MicNo® particles improve UV-resistance, mechanical and antibacterial properties of the films much more effectively with respect to nanoparticles due to their novel morphology and demonstrate great potential as new generation additive systems for biodegradable polymers to extend their application areas.</p></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"245 - 257"},"PeriodicalIF":1.9,"publicationDate":"2023-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4455022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Effect of high-temperature annealing on mechanical properties of spark plasma sintered TiCN-15WC-5Cr3C2-5 nano-TiB2 cermets modified with cobalt 高温退火对放电等离子烧结TiCN-15WC-5Cr3C2-5纳米tib2金属陶瓷力学性能的影响

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2022-12-31 DOI: 10.1007/s41779-022-00828-w

Balasivanandha Prabu Shanmugavel, Anjana Swaminathan, Monisha Dhayalan, Salomi Christina Jawahar, Pradhyun Veerapanaicker Soundaraj

{"title":"Effect of high-temperature annealing on mechanical properties of spark plasma sintered TiCN-15WC-5Cr3C2-5 nano-TiB2 cermets modified with cobalt","authors":"Balasivanandha Prabu Shanmugavel, Anjana Swaminathan, Monisha Dhayalan, Salomi Christina Jawahar, Pradhyun Veerapanaicker Soundaraj","doi":"10.1007/s41779-022-00828-w","DOIUrl":"10.1007/s41779-022-00828-w","url":null,"abstract":"<div><h2>Abstract\u0000</h2><div><p>This paper reports the effect of high-temperature annealing on the mechanical properties of spark plasma sintered TiCN-15WC-5Cr<sub>3</sub>C<sub>2</sub>-5 nano-TiB<sub>2</sub>-based cermet modified with the addition of different percentages of cobalt (0 to 15%). The microstructure and mechanical properties such as hardness and toughness of the as sintered cermets were reported. The cermets were heated to different annealing temperatures (800 °C and 1000 °C) for the holding time of 4 h and 6 h. The effect of high-temperature annealing on the mechanical properties was evaluated by measuring the hardness, toughness and weight gain/loss. The results showed that the hardness and toughness decreased with an increase in the annealing temperature and time. The presence of Co in the cermets with 10% and 15% showed better hardness values after annealing at 800 °C and 1000 °C for 4 h and 6 h. The fracture toughness values did not change much compared to the blank and cermets with 5% Co. The cermet with 15% Co showed better mechanical properties compared to the blank. The weight gain increased with annealing temperature and time. The SEM analysis revealed that the microstructures were changed with respect to the annealing temperature and time. Annealing at 1000 °C for 4 h and 6 h showed a newly formed oxide layer and coarsening of grains. The new phases formed during annealing were examined by XRD, and it was found that the formation of different oxides leads to deteriorate the thermal stability of the cermets.</p></div></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"221 - 229"},"PeriodicalIF":1.9,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s41779-022-00828-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5177928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correction to: Marine-derived bioceramics for orthopedic, reconstructive and dental surgery applications 修正:骨科，重建和牙科手术应用的海洋生物陶瓷

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2022-12-27 DOI: 10.1007/s41779-022-00824-0

Faik Nuzhet Oktar, Semra Unal, Oguzhan Gunduz, Besim Ben Nissan, Innocent J. Macha, Sibel Akyol, Liviu Duta, Nazmi Ekren, Eray Altan, Mehmet Yetmez

引用次数: 0

Effect of surface treatments on shear bond strength between CAD/CAM bioceramic and resin blocks and orthodontic metal brackets bonded to each other 表面处理对CAD/CAM生物陶瓷和树脂块与正畸金属托槽剪切粘结强度的影响

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2022-12-26 DOI: 10.1007/s41779-022-00825-z

Rana Turunç-Oğuzman, Soner Şişmanoğlu

{"title":"Effect of surface treatments on shear bond strength between CAD/CAM bioceramic and resin blocks and orthodontic metal brackets bonded to each other","authors":"Rana Turunç-Oğuzman, Soner Şişmanoğlu","doi":"10.1007/s41779-022-00825-z","DOIUrl":"10.1007/s41779-022-00825-z","url":null,"abstract":"<div><p>This in vitro study aimed to evaluate shear bond strength (SBS) between CAD/CAM blocks with different compositions and orthodontic metal brackets, following various surface treatments and bonding procedure. Specimens were prepared from Vita Enamic, CeraSmart, Tetric CAD and Vita Mark II CAD/CAM blocks and were subjected to thermocycling for 5000 cycles. Then, the specimens were allocated into 6 groups according to the surface treatment (<i>n</i> = 12): control (no surface treatment); hydrofluoric acid etching (HF); air-borne particle abrasion with aluminium-oxide; tribochemical silica coating; bur abrasion; and Monobond Etch and Prime application (MEP). The surface morphology of the CAD/CAM blocks was characterized using scanning electron microscope. Then, specimens were silanized and brackets were bonded with adhesive resin. After thermocycling, the SBS test was performed until failure, and failure types were noted according to the adhesive remnant index (ARI). Data were analysed using two-way ANOVA and Tukey tests to perform pairwise analyses. The significance level was taken as <i>α</i> = 0.05. Both the CAD/CAM block type and the surface treatment significantly influenced SBS. Control groups of all CAD/CAM blocks demonstrated significantly the lowest SBS values. The highest SBS values were observed for Vita Mark II specimens treated with HF among all groups. Control groups showed exclusively ARI score 5, whereas surface treated groups had lower and similar scores. All groups, except the control, had reliable SBS values (above 6 MPa). Therefore, clinicians can use MEP, novel self-etching single-component ceramic primer, safely besides other surface treatments while bonding orthodontic brackets.</p></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"187 - 196"},"PeriodicalIF":1.9,"publicationDate":"2022-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s41779-022-00825-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4996122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Controlled release of acetylsalicylic acid via hydroxyapatite prepared with different templates 不同模板制备羟基磷灰石对乙酰水杨酸的控释作用

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2022-12-21 DOI: 10.1007/s41779-022-00821-3

Dilay Sezer, Emir Zafer Hoşgün

{"title":"Controlled release of acetylsalicylic acid via hydroxyapatite prepared with different templates","authors":"Dilay Sezer, Emir Zafer Hoşgün","doi":"10.1007/s41779-022-00821-3","DOIUrl":"10.1007/s41779-022-00821-3","url":null,"abstract":"<div><p>Drug delivery systems are systems that reduce the dose of a drug, extend the dosing interval, eliminate side effects, and ensure that the drug reaches the target tissue in a safe, controlled, and effective manner. Hydroxyapatite (HAP) is an inorganic material based on calcium phosphate and is an effective adsorbent with excellent biocompatibility and bioactivity due to its similarity to the mineral components of human bone. In this study, the adsorption and desorption behaviors of acetylsalicylic acid (ASA) from aqueous solutions were investigated on template-modified hydroxyapatite. Hydroxyapatite (HAP) was synthesized by the chemical precipitation method and modified with various templates such as cetyltrimethylammonium bromide (CTAB), Pluronic® P-123 (P123), and Pluronic® F-127 (F127). X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET), Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM) were used to characterize the synthesized HAP samples. Equilibrium adsorption isotherms and kinetics for ASA-HAP adsorption were studied and best represented by the Langmuir isotherm. The results suggest that HAP is suitable as an alternative carrier for the adsorption and controlled release of ASA. Maximum ASA loading conditions were selected as 35 °C, 60 min. 0.5 mg/mL ASA solution, and 3 mg adsorbent. The adsorption capacity of HAP was improved from 237.02 mg g<sup>−1</sup> to 280.27 mg g<sup>−1</sup> using CTAB as a template. The release amount was decreased from 82.99 to 68.03% in the modified samples of HAP and exhibits a more controlled release profile than the untreated samples of HAP.</p></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"153 - 163"},"PeriodicalIF":1.9,"publicationDate":"2022-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s41779-022-00821-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4813508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Simulation of neutron and gamma radiation shielding properties of KNN-LMN lead-free relaxor ceramics KNN-LMN无铅弛豫陶瓷的中子和γ辐射屏蔽性能模拟

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2022-12-14 DOI: 10.1007/s41779-022-00819-x

Roya Boodaghi Malidarre, Iskender Akkurt

{"title":"Simulation of neutron and gamma radiation shielding properties of KNN-LMN lead-free relaxor ceramics","authors":"Roya Boodaghi Malidarre, Iskender Akkurt","doi":"10.1007/s41779-022-00819-x","DOIUrl":"10.1007/s41779-022-00819-x","url":null,"abstract":"<div><p>Radiation is now used extensively for a variety of industrial, agricultural, and radiation therapy objectives, as well as other uses, thanks to the advancement of technology. Due to the destructive effects of radiation, radiation protection is so necessary. Although lead and lead-based composites are conventional materials for radiation shielding, their toxic nature restricted the use of them as proper shields. Therefore, the shielding properties of a series of lead-free relaxor ceramics, namely (1 − <i>x</i>)K<sub>0.5</sub>Na<sub>0.5</sub>NbO<sub>3</sub>–xLa(Mn0.5Ni0.5)O<sub>3</sub> ceramics are investigated in this study. In order to obtain the neutron and gamma-ray shielding characteristics, the linear attenuation coefficient (LAC, cm<sup>−1</sup>) and related parameters for (1 − <i>x</i>)K<sub>0.5</sub>Na<sub>0.5</sub>NbO<sub>3</sub>–xLa(Mn<sub>0.5</sub>Ni<sub>0.5</sub>)O<sub>3</sub> (where <i>x</i> = 0.01, 0.05, 0.07, 0.10, 0.15, and 0.20) ceramic are estimated (abbreviated as (1 − <i>x</i>)KNN–xLMN)). Using FLUKA simulating code and Phy-X:PSD software, the shielding performance of neutrons and gamma rays is evaluated for wide energy ranges. Findings show that the S6 sample possesses the lowest mean free path (MFP) and half value layer (HVL), while the S1 sample owns the highest MFP and HVL. At an energy range between 0.001 and 0.1 MeV, sudden jumps are observed for <i>Z</i><sub>eff</sub> and <i>N</i><sub>eff</sub> graphs, which may be due to the <i>K</i>-edge absorption of elements such as K, Na, Nb, La, Mn, and Ni. Moreover, the fast neutron removal cross-section (FNRCS) varies between 0.060 and 0.106 cm<sup>−1</sup> from the S1 to S6 samples.\u0000</p></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"137 - 143"},"PeriodicalIF":1.9,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4568313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Gamma-ray shielding properties of some dosimetric materials 某些剂量测量材料的伽马射线屏蔽性能

IF 1.9 4区材料科学

Journal of the Australian Ceramic Society Pub Date : 2022-12-07 DOI: 10.1007/s41779-022-00817-z

Aycan Şengul, Kadir Akgüngör, Iskender Akkurt

{"title":"Gamma-ray shielding properties of some dosimetric materials","authors":"Aycan Şengul, Kadir Akgüngör, Iskender Akkurt","doi":"10.1007/s41779-022-00817-z","DOIUrl":"10.1007/s41779-022-00817-z","url":null,"abstract":"<div><h2>Abstract\u0000</h2><div><p>Radiation is important in dental science as it is used in both diagnostic and also in treatment issues. The teeth are every single day exposed to a significant amount of wear due to remaining hard particles from food and tooth brushing or even due to the contact with the other teeth. Dental restorations are widely used to correct the damage caused by this wear. In this study, it is aimed to determine the radiation shielding properties of the dosimetric materials which are namely hydroxyapatite (HAP) and urethane di(meth)acrylates (UDMAs). The linear attenuation coefficients of dosimetric materials were calculated using GAMOS (Geant4-based Architecture for Medicine-Oriented Simulations) Monte Carlo simulation code. The obtained results were also compared with the calculation done using XCOM. The mean free path (mfp), half value length (HVL), and tenth value length (TVL) have also been obtained. The highest LAC value was obtained for S2 sample for 511, 662, 835, 1173, 1275, and 1332 keV energies (0.170, 0.149, 0.133, 0.112, 0.108, and 0.105 cm<sup>−1</sup>, respectively) and the lowest LAC values were obtained for S3 sample for 511, 662, 835, 1173, 1275, and 1332 keV gamma energies (0.102, 0.091, 0.082, 0.069, 0.066, and 0.065 cm<sup>−1</sup>, respectively).</p></div></div>","PeriodicalId":49042,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"59 1","pages":"117 - 126"},"PeriodicalIF":1.9,"publicationDate":"2022-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4289931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5