Preparation and characterization of tungsten/epoxy composites for γ-rays radiation shielding

Chang, Le; Zhang, Yan; Liu, Yujian; Fang, Jun; Luan, Weilin; Yang, Xiudong; Zhang, Weidong

doi:10.1016/j.nimb.2015.04.062

Cited by 153 publications

(55 citation statements)

References 17 publications

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“…78 Mechanism of radiation-caused degradation was studied in accordance with changes in the concentration of free radicals and thermal and mechanical properties of composites. As the results show, as the convent of tungsten increases, so does the thermal resistance of composites.…”

Section: Polymers Containing Micro-and Nanosized Inorganic Fillersmentioning

confidence: 99%

Modern Approaches to Polymer Materials Protecting from Ionizing Radiation

Wozniak¹,

Ivanov²,

Zhdanovich³

et al. 2017

Orient. J. Chem

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This review describes main types of organic polymers, which are now widely used and are the most resistant to ionizing radiation. It presents modern approaches to creation of radiationshielding composite materials based on polymer matrix and various types of fillers. It also discusses the efficiency of sizes of fillers' micro-and nanoparticles in terms of improving radiation resistance of organic polymer materials.

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Section: Polymers Containing Micro-and Nanosized Inorganic Fillersmentioning

confidence: 99%

Modern Approaches to Polymer Materials Protecting from Ionizing Radiation

Wozniak¹,

Ivanov²,

Zhdanovich³

et al. 2017

Orient. J. Chem

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show abstract

“…There exists a variety of metal particles that could be used as reinforcements. Chang et al [15] developed tungsten reinforced epoxy composites, Alavian et al [16] developed tungsten reinforced LDPE composites and they studied gammaray shielding characteristics of composites. Yet the mechanical and thermal properties of the developed composites have not been reported.…”

Section: Introductionmentioning

confidence: 99%

Investigation on the influence of tungsten particulate in mechanical and thermal properties of HD50MA180 high density polyethylene composites

Panneerselvam

2020

Mater. Res. Express

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In this present investigation, the influence of reinforcing tungsten (W) particles in High-Density Polyethylene (HDPE) on mechanical and thermal properties, has been studied. W reinforced HDPE composites are processed by melt compounding method, with W varied in proportion of 1%, 3%, 5% and 7% by weight. The test specimens were prepared by injection molding as per ASTM standards and analyzed by X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM), Mechanical and Thermal Characterization. XRD results show that, the intensity count at angle 40.3°, 58.7°, 73.6°and 87.1°increases with the increase in wt% of W particles. SEM analysis reveals that, composites containing 1wt% of W has uniform dispersion in the HDPE matrix. In mechanical characterization, tensile strength and flexural strength of the specimen reported a sharp increase with the addition of W at 1wt%, followed by a negative trend for the higher content of W particles. However, the impact strength result shows that specimen with 3wt% of W content has the highest toughness. Further from thermal characterization, Thermo Gravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC) results show that degradation temperature and the melting point of composites improve with an increase in W content. Composite with 7wt% W content has the highest degradation temperature and melting point.

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“…Additionally, the weak or uncrosslinked chemical bonds of low surface energy substances like alkane, silicone, and fluoride usually lead to poor UV durability as well as low resistance to corrosive liquids and organic solvents [21]. In contrast, epoxy resins as well as its composites have been widely employed in severe environments such as marine-varnishes, and chemical and nuclear plant surfaces due to their excellent adhesion, mechanical properties, and good solvent and chemical resistance [22][23][24][25]. Furthermore, the abundant hydroxyl and epoxy groups also result in high surface energy.…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic Surface with Gamma Irradiation Resistance and Self-Cleaning Effect in Air and Oil

Zhang

Liu

2020

Coatings

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A superhydrophobic surface was synthesized by a combination of an epoxy/polymethylphenylsiloxane matrix and dual-scale morphology of silica (SiO2) nanoparticles. When the amount of SiO2 reached 30 wt.%, the as-prepared surface showed a high static water contact angle (WCA) of 154° and a low sliding angle (SA) of 5°, excellent water repellency, and dirt-removal effects both in air and oil (hexamethylene). Even after exposure to as high as a 12.30 Mrad dose of gamma-rays, the composite surface still maintained its superior performance.

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Preparation and characterization of tungsten/epoxy composites for γ-rays radiation shielding

Cited by 153 publications

References 17 publications

Modern Approaches to Polymer Materials Protecting from Ionizing Radiation

Modern Approaches to Polymer Materials Protecting from Ionizing Radiation

Investigation on the influence of tungsten particulate in mechanical and thermal properties of HD50MA180 high density polyethylene composites

Superhydrophobic Surface with Gamma Irradiation Resistance and Self-Cleaning Effect in Air and Oil

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