On the Brittleness of Recrystallized Molybdenum

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  • 再結晶したモリブデンの脆性について
  • サイケッショウ シタ モリブデン ノ ゼイセイ ニ ツイテ

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Abstract

The recrystallization brittleness of arc-cast molybdenum and sintered molybdenum was studied by metallographic and microfractographic techniques. The ductility of molybdenum was evaluated by bend testing at lower temperatures. In general, it is suggested that in fracturing of commercial purity molybdenum at low temperatures, cracks at first nucleate along the grain boundaries and subsequently propagate through the grains.

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