Density and Rheological Properties of Tungsten Nylon Shielding
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- Category: Tungsten Information
- Published on Friday, 25 July 2014 17:19
- Written by miya
- Hits: 540
Research indicates that if density of tungsten nylon shielding material is below 11g/cm3, the composite material can meet the flow behavior of pseudoplastic fluids. When attains 11.8g/cm3 density, since the melt will not have shear-thinning properties, it will not suitable for injection molding. In addition, as the density increases, the shear rate on the non-Newtonian index becomes weaker. When the density is 11.0g/cm3, the shear rate on non-Newtonian index changes caused only minor changes in the non-Newtonian index. As the flow stability have a significant impact on the performance of the final product, the non-Newtonian index changes smaller, flow properties is more stable. Therefore, the 11.0g/cm3 density of the composite material is suitable for injection molding.
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Tungsten Nylon Shielding Introduction
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- Category: Tungsten Information
- Published on Friday, 25 July 2014 17:18
- Written by miya
- Hits: 566
Tungsten materials with high density and high atomic coefficients for X-rays have a good shielding performance, it is used as a non-toxic environmentally friendly materials to replace lead in X-ray protection fields. Nylon has excellent flow processing performance, ease of processing into a variety of complex shapes products. Regular arrangement of the molecular structure of nylon and the presence of a large number of hydrogen bonds, it has excellent mechanical properties, chemical properties, and thermal properties. Many automobile, electronics, machinery, aerospace and other fields has been widely used because of superior processing performance, physical properties and mechanical properties of nylon. Tungsten powder was added to the nylon matrix as filler, so it can give the nylon the shielding performance, forming several of complex composite shielding material.
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Tungsten Alloy Shield Supply Structure
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- Category: Tungsten Information
- Published on Thursday, 24 July 2014 17:16
- Written by miya
- Hits: 576
Radiation shield capacity is closely related to the density of the material, the greater density, better the shielding performance, therefore, tungsten alloy which has a high density becomes the best shield material. Tungsten alloy shields include gamma radiation shielding, shielding blocks, oil drilling equipment, X-ray collimator, tungsten alloy PET shield, shielding cancer treatment equipment etc. More and more radiation shielding equipment demand is growing now. China tungsten alloy shield distribution supply structure is as follows:
1. Domestic and international product supply structure.
2. Domestic regional supply structure.
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Tungsten Gold Plated Paper Weight
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- Category: Tungsten Information
- Published on Friday, 25 July 2014 08:47
- Written by Sherry
- Hits: 558
Because of the following excellent properties of tungsten such as high density, high melting point, small volume, excellent hardness, superior wearing resistance, high ultimate tensile strength, high ductility, high temperature resistance, low vapor pressure, gold-plated paperweight, tungsten alloy golden paperweight are the most popular handicraft nowadays.
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Tungsten Alloy Medical Shield
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- Category: Tungsten Information
- Published on Thursday, 24 July 2014 17:07
- Written by miya
- Hits: 526
Early medical shield is made of lead, but lead shield’s hardness is low, will cause the secondary pollution and poisoning. Relative lead shield medical, high density tungsten alloy medical shield is resistance to acid, wear-resistant properties. Moreover, lead belongs to heavy metal pollution, it is harmful to the environment, but the tungsten alloy is kind to the enviroment. Therefore, tungsten alloy replace lead, becoming the material for medical shield.
Tungsten alloy shield including radiological protection gallipot medical, radiation shielding storage, agamma radiation shielding, shielding blocks, oil drilling equipment, and X-ray collimator.
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