IMPROVEMENT OF MECHANICAL PROPERTIES AND CORROSION RESISTANCE OF Cu-Ni ALLOY BY TRACE OF BORON ADDITION

Acta Metall Sin

1995, Vol. 31

Issue (6): 266-271 DOI:

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IMPROVEMENT OF MECHANICAL PROPERTIES AND CORROSION RESISTANCE OF Cu-Ni ALLOY BY TRACE OF BORON ADDITION

WANG Jihui; JIANG Xiaoxia;LI Shizhuo (Institute of Metal Research; ChineseAcademy of Sciences; Shenyang 110015)

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WANG Jihui; JIANG Xiaoxia;LI Shizhuo (Institute of Metal Research; ChineseAcademy of Sciences; Shenyang 110015). IMPROVEMENT OF MECHANICAL PROPERTIES AND CORROSION RESISTANCE OF Cu-Ni ALLOY BY TRACE OF BORON ADDITION. Acta Metall Sin, 1995, 31(6): 266-271.

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Abstract An attempt was made of to improve the mechanical properties but especially the corrosion resistance for 70Cu-30Ni alloy to marine supplies by trace of boron addition.Experiments of EMPA,XRD and SEM show that the strength of the alloy adding 0.005%-0.012%B may increase and the plasticity decreases somewhat. The improvement over the corrosion rate may be at a certain extent and of the corrosive wear rate quite obvious.

Key words: boron cupronickel alloy mechanical property corrosion resistance

Received: 18 June 1995

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