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Acta Metall Sin  1998, Vol. 34 Issue (11): 1163-1166    DOI:
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EFFECT OF METALLURGICAL FACTORS ON THE RESISTANCE OF CAVITATION EROSION OF Ni_3Al BASED ALLOYS
YE Wujun;FENG Di;CHEN Beijing;LUO Heli (Central Iron and Steel Research institute; BeiJing 100081)
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YE Wujun;FENG Di;CHEN Beijing;LUO Heli (Central Iron and Steel Research institute; BeiJing 100081). EFFECT OF METALLURGICAL FACTORS ON THE RESISTANCE OF CAVITATION EROSION OF Ni_3Al BASED ALLOYS. Acta Metall Sin, 1998, 34(11): 1163-1166.

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Abstract  Effect of Al, Cr, Fe and Mo concentrate on the resistance of cavitation erosion of Ni3Al based alloys was studies, the results show that Zr and B toughened Ni3Al alloy with Al concentrate of 6%-9% possesses excellent resistance of cavitation erosion and the decrease of the γ' forming elements concentrate causes the decline of the resistance of cavitation erosion. The introduction of Fe and Mo somewhat decreases the resistance to cavitation erosion.
Key words:  Ni_3Al alloy      cavitation erosion     
Received:  18 November 1998     
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