STRUCTURAL TRANSFORMATIONS IN ELECTROLESS NI-P-B DEPOSITS

被引：0
|
作者：
KUMAR, PS
NAIR, PK
机构：
来源：
PLATING AND SURFACE FINISHING | 1994年 / 81卷 / 05期
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中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Electroless Ni-P-B deposits with weight percentages of 0.72 P and 4.15 B; 1.85 P and 4.87 B, were observed to be a mixture of microcrystalline nickel and amorphous phases, based on X-ray diffraction and transmission electron microscopy. On annealing, Ni3P and Ni3B precipitated along with crystalline nickel in one step. The microhardness of the deposits showed typical precipitation hardening behavior, with hardness increasing from about 550 VHN in the as-deposited condition, to about 1000 VHN in the fully crystallized condition.
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页码：96 / 100
页数：5
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