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首页> 外文期刊>Applied Surface Science >Hydrogen Permeation Inhibition By Zinc-nickel Alloy Plating On Steel Xc68
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Hydrogen Permeation Inhibition By Zinc-nickel Alloy Plating On Steel Xc68

机译：Xc68钢上锌镍合金镀层对氢渗透的抑制作用

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摘要

The inhibition of hydrogen permeation and barrier effect by zinc-nickel plating was investigated using the Devanathan-Stachurski permeation technique. The hydrogen permeation and hydrogen diffusion for the zinc-nickel (12-15%) plating on steel XC68 is compared with zinc and nickel. Hydrogen permeation and hydrogen diffusion were followed as functions of time at current density applied (cathodic side) and potential permanent (anodic side). The hydrogen permeation inhibition for zinc-nickel is intermediate to that of nickel and zinc. This inhibition was due to nickel-rich layer effects at the Zn-Ni alloy/substrate interface, is shown by GDOES. Zinc-nickel plating inhibited the hydrogen diffusion greater as compared to zinc. This diffusion resistance was due to the barrier effect caused by the nickel which is present at the interface and transformed the hydrogen atomic to Ni_2H compound, as shown by GIXRD.
机译：使用Devanathan-Stachurski渗透技术研究了锌镍镀层对氢渗透的抑制作用和阻挡作用。将XC68钢上的锌镍（12-15％）镀层的氢渗透和氢扩散与锌和镍进行了比较。在施加的电流密度（阴极侧）和潜在的永久性（阳极侧）下，氢渗透和氢扩散随时间变化。锌镍的氢渗透抑制作用介于镍和锌的氢渗透抑制作用之间。 GDOES显示，这种抑制作用是由于Zn-Ni合金/基材界面处的富镍层效应所致。与锌相比，锌镍镀层抑制了氢的扩散。这种扩散阻力是由于界面处存在的镍引起的势垒效应所致，如GIXRD所示，镍将氢原子转变为Ni_2H化合物。

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