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the claim

Materials such as boron or cadmium can reduce the criticality of a fissile sample by absorbing neutrons.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that materials such as boron or cadmium can reduce the criticality of a fissile sample by absorbing neutrons?

Yes. Materials containing elements like boron and cadmium function as neutron absorbers to control reactivity and reduce criticality in nuclear systems.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

The retrieved papers consistently support the claim that materials containing neutron-absorbing elements like boron and gadolinium (often referred to as burnable absorbers or poisons) are used in nuclear engineering specifically to absorb neutrons and control or reduce core reactivity and criticality.

Evidence for · 3
The Advancement of Neutron-Shielding Materials for the Transportation and Storage of Spent Nuclear Fuel.
2022
This paper reviews neutron-shielding materials such as borated stainless steel and boron carbide composites, which absorb neutrons to control reactivity.
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Z, Q., Z, Y., J, L., Y, G., G, Y., Y, Y., & J, Z. (2022). The Advancement of Neutron-Shielding Materials for the Transportation and Storage of Spent Nuclear Fuel.. doi.org. https://doi.org/10.3390/ma15093255

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More for · 2
Inductively coupled plasma optical emission spectroscopic determination of trace rare earth elements in highly refractory gadolinium zirconate (Gd<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub>).
2024
This study discusses gadolinium zirconate as a burnable absorber material whose high neutron-absorption cross sections implement negative reactivity in the reactor core.
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A, S., K, K., SB, D., & MK, S. (2024). Inductively coupled plasma optical emission spectroscopic determination of trace rare earth elements in highly refractory gadolinium zirconate (Gd<sub>2</sub>Zr<sub>2</sub>O<sub>7</sub>).. doi.org. https://doi.org/10.1039/d4ra05017g

Investigating the possibility of extending the BWR cycle length for 15 years of operation by mixing highly enriched UO<sub>2</sub> fuel with burnable absorbers.
2023
This paper investigates burnable poisons including boron carbide and gadolinium to control reactivity and manage cycle length in nuclear reactors.
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SS, M. (2023). Investigating the possibility of extending the BWR cycle length for 15 years of operation by mixing highly enriched UO<sub>2</sub> fuel with burnable absorbers.. doi.org. https://doi.org/10.1038/s41598-023-37615-x

What does the evidence say?

The retrieved papers consistently support the claim that materials containing neutron-absorbing elements like boron and gadolinium (often referred to as burnable absorbers or poisons) are used in nuclear engineering specifically to absorb neutrons and control or reduce core reactivity and criticality.

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