Assertion: plutonium's phase | /r/CapableOf | expand the δ-phase contracts
Facets:
value: at cryogenic temperatures
type: LOCATION
value: markedly
type: DEGREE
value: during self-irradiation
type: TEMPORAL
Source sentences:
text: At cryogenic temperatures, where next to no annealing occurs, the α-phase of plutonium expands (swells) during self-irradiation, the δ-phase contracts markedly, and the β-phase contracts slightly.