EFFECT OF THE ADDITION OF B AND P ON THE CELLULAR PRECIPITATION IN NI-SN AND CU-NI-SN ALLOYS

被引:3
作者
MIKI, M
OGINO, Y
机构
关键词
COPPER METALLOGRAPHY - Precipitation - COPPER NICKEL TIN ALLOYS - Aging - NICKEL METALLOGRAPHY - Precipitation;
D O I
10.2320/jinstmet1952.47.11_983
中图分类号
学科分类号
摘要
The influence of B and P in Ni-8-15 mass%Sn and Cu-10-80 mass%Ni-8 mass%Sn alloys was investigated by quantitative metallographic methods. Intragranular precipitation was retarded and cellular precipitation was suppressed by the addition of B and P. The suppressing effect depended upon the Ni concentration in the Cu-Ni-Sn alloys and was large in 40-60%Ni alloys. The suppressing effect of P was larger. B and P segregated at the grain boundary and suppressed nucleation and growth of the cell.
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页码:983 / 990
页数:8
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