表面技術
Online ISSN : 1884-3409
Print ISSN : 0915-1869
ISSN-L : 0915-1869
亜鉛めっきのホイスカー発生に及ぼす内部応力と結晶構造の影響
大河原 薫室井 良一
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2000 年 51 巻 7 号 p. 729-734

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In a zinc cyanide system, internal stress, lattice distortion, and carbon content of plating are related to one another. The value of these physical and metallurgical properties of plating decreased with an increase in the M ratio (NaCN/Zn) of the baths, and whiskers did not grow below a particular value (i.e. internal stress: 55 MPa; lattice distortion: 0.25%; carbon content: 0.06%).
High concentrations of cyanide in baths contribute to the role of the brightener and accelerate grain refinement and brightening of plating; these concentrations did not increase the internal stress and lattice distortion, which significantly affects the inhibition of whisker growth.
The results of this work suggest a framework for zinc whisker growth.

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