YNi<sub>5</sub> PHASE AND ITS EFFECT UPON PROPERTIES OF Ni<sub>3</sub>Al ALL

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An additive of Y to Ni<sub>3</sub>Al based alloy may form a phase YNi<sub>5</sub> which increases in amount withthe increase of Y content.It was found that the YNi<sub>5</sub> phase in Ni<sub>3</sub>Al alloy
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