Energy From Thorium Discussion Forum

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PostPosted: Sep 19, 2018 6:11 pm 
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Potentially interesting high temperature alloy, part of the recently interesting high entropy metal alloy research thrust.

https://www.sciencedirect.com/science/article/pii/S1359646218305359


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PostPosted: Sep 20, 2018 6:05 am 
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Could that be used in a fast breeder reactor?

I noticed also the high melting point.

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PostPosted: Sep 20, 2018 7:08 am 
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Would that alloy resist corrosivity of molten lead, molten plutonium trichloride, and molten uranium trichloride?

The alloy is interesting even if it didn't.

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PostPosted: Sep 22, 2018 8:57 am 
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It was one month ago when I read about high-entropy metal alloys. I got interested because I thought that perhaps it was possible to create an alloy that would withstand the high temperature and corrosion of a dual fluid reactor, and also be a good neutron reflector.

I reasoned that neutron absorption is the property most avoided when choosing a reflector material.

So I created a table which I just finished today. It shows elements and their most abundant isotopes. I excluded most elements as probably not useful, starting from noble gases, etc. Then there were also few elements that are very scarce, and I did not even have their cross sections, so I left them out too.

Anyway here is the table I created. The document is a one page PDF.

Color blue means that the element or isotope may be most interesting. It means high melting point temperature at least 2000 °C, or low neutron absorption (Pb-208, B-11 and C-12 being the least absorbing). Light grey means semi good properties, such as melting point at least 1400 °C, or quite average neutron absorption. Red is very common colour in the table, and it marks low melting point temperature (such as lead and sodium) and high absorption (such as B-10, which is an extreme case).


Attachments:
File comment: Absorption cross sections of nuclei
Absorption_cross_sections_of_nuclei.pdf [259.36 KiB]
Downloaded 25 times

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