Manufacture of fully dense uranium nitride pellets using hydride derived powders with spark plasma sintering

• Applying a combination of hydriding/nitriding of metallic uranium with the spark plasma sintering technique, we show that uranium nitride pellets with an average porosity of 0.2% may be manufactured. This is considerably smaller than the lowest porosity previously reported in the literature. The high density is attained by sintering at 1650 °C for only three minutes.

Ämnesord

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Nyckelord

Porosity

Spark plasma sintering

Uranium compounds

Hydriding

Metallic uranium

Spark plasma sintering techniques

Uranium nitride pellets

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