By Jiri George Drobny
Radiation processing is extensively hired in plastics engineering to reinforce the actual homes of polymers, akin to chemical resistance, floor homes, mechanical and thermal houses, particle dimension aid, soften homes, fabric compatibility, hearth retardation, and so forth.
Drobny introduces readers to the technological know-how of ionizing radiation and its results on polymers, and explores the applied sciences on hand and their present and rising applications.
The ensuing e-book is a worthy consultant for quite a lot of plastics engineers using ionizing radiation for polymer therapy in a variety of sectors together with packaging, aerospace, safety, scientific units and effort purposes. Radiation resistant polymers also are explored.
- Unlock the potential for ionizing radiation in purposes akin to electron-beam curing and laser joining
- Gain an realizing of the choice and secure use of radiation remedy equipment
- The in simple terms distinctive advisor to ionizing radiation written for the plastics engineering community
Read Online or Download Ionizing Radiation and Polymers. Principles, Technology and Applications PDF
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Radiation processing is generally hired in plastics engineering to augment the actual homes of polymers, resembling chemical resistance, floor homes, mechanical and thermal houses, particle dimension relief, soften houses, fabric compatibility, fireplace retardation, and so forth. Drobny introduces readers to the technology of ionizing radiation and its results on polymers, and explores the applied sciences to be had and their present and rising functions.
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Additional info for Ionizing Radiation and Polymers. Principles, Technology and Applications
The peak microwave power must be several MW in order to obtain energy gains of several MeV per meter and the system must be operated in short, repetitive pulses to keep the average microwave power down to reasonable levels. 0 A for an average beam power of 10À20 kW at the electron energy of 10 MeV . Although with optimal beam current, TW linacs can transfer microwave power with an efficiency ranging from 80% to 90% , because of the low efficiency of the microwave generation in a klystron, the overall line to beam power efficiency is usually below 30%.
33 MeV) are mainly responsible for the radiation processing with the cobalt-60 γ-irradiators. In radiation processing, a product or material is intentionally irradiated to preserve, modify, or improve its characteristics. This process is carried out by placing the product in the vicinity of a radiation source for a fixed time interval whereby the product is exposed to radiation emanating from the source. A fraction of the radiation energy that reaches the product is absorbed by the product, the amount depending on its mass and composition, and the time of exposure.
The electron gun consists of a spiral-shaped tungsten cathode and a Wehnelt cylinder. These two components not only constitute the electrodes of the acceleration gap but also form the optical assembly to control and shape the EB. Current signals are linear and have repetition frequency of about 800 Hz. They are used to deflect the EB horizontally and vertically over the exit window plane. The scanner may be equipped with two cathodes for maximum output. Then, the width of the exit window is more than double that of a standard unit with a single cathode.
Ionizing Radiation and Polymers. Principles, Technology and Applications by Jiri George Drobny