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Plastic Radiation Shielding
(06-14-2013, 04:51 AM)Sim Koning Wrote:

Apparently, plastic can make for an effective radiation shield.

It has been known since at least the 1940s that materials with a high hydrogen content, such as paraffin and plastics, are very effective at attenuating alpha and beta radiation, and thermal neutrons, but much less so in the case of x-rays and gamma radiation. Apparently, this has not changed appreciably in the intervening seven decades. According to the specifications given at for a polyethylene impregnated with gadolinium, 7.6 millimeters of plastic attenuates 1 MeV gamma radiation by 12.3%. While additional thickness would result in greater attenuation, at some point the thickness becomes prohibitive. Radiation with energies greater than 1 MeV (most cosmic rays, for example) will be attenuated even less. So, in general, while plastics can make effective radiation shields, likely design trade-offs will limit their usability in that regard.

"I'd much rather see you on my side, than scattered into... atoms." Ming the Merciless, Ruler of the Universe

Messages In This Thread
Plastic Radiation Shielding - by Sim Koning - 06-14-2013, 04:51 AM
RE: Plastic Radiation Shielding - by radtech497 - 06-15-2013, 01:57 AM
RE: Plastic Radiation Shielding - by stevebowers - 06-15-2013, 05:02 PM
RE: Plastic Radiation Shielding - by Drashner1 - 06-16-2013, 04:31 AM
RE: Plastic Radiation Shielding - by iancampbell - 06-18-2013, 08:30 AM
RE: Plastic Radiation Shielding - by stevebowers - 06-18-2013, 05:30 PM

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