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The effect of rare earth(RE) oxide on impact toughness and primary structure of surfacing metal was investigated.The results show that the impact toughness of surfacing metal containing RE oxide can be increased by 50%.The primary structure can be refined and its shape changed from columnar crystals to equiaxed ones.
The effect of rare earth (RE) oxide on impact toughness and primary structure of surfacing metal was investigated. The results show that the impact toughness of surfacing metal containing RE oxide can be increased by 50%. The primary structure can be refined and its shape changed from columnar crystals to equiaxed ones.