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首页> 外文期刊>Plasma and Fusion Research >Hydrogen Permeability of Nitrided Stainless Steel
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Hydrogen Permeability of Nitrided Stainless Steel

机译：渗氮不锈钢的氢渗透率

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The surface of a 316 stainless steel (316SS) specimen was nitrided by an electrochemical treatment in molten fluoride salt. Its hydrogen permeability was evaluated and compared with that of bare 316SS at temperature from 450?C to 650?C. When it was exposed to hydrogen pressure of 1.0 kPa from 450?C to 650?C, its permeability was 7.2×10?11 to 6.4×10?12 mol/sec.m.Pa1/2. The permeation flux was increased with temperature and the permeability is deviated from Sieverts’ law around 450?C. It followed Sieverts’ law and was similar to that of bare 316SS at elevated temperatures. This result suggested the surface nitriding increases solubility at low temperatures around 450?C.
机译：316不锈钢（316SS）试样的表面在熔融的氟化盐中通过电化学处理进行了氮化。评价其氢渗透性，并将其与裸316SS在450℃至650℃之间的氢渗透率进行比较。将其从450 ？ C暴露至1.0 kPa的氢气压力至650 ？ C时，其磁导率为7.2×10 ？11 至6.4 ×10 ？12 mol / sec.m.Pa 1/2 。渗透通量随着温度的升高而增加，渗透率偏离了Sieverts定律约450 ？ C。它遵循Sieverts的定律，类似于在高温下裸316SS的定律。该结果表明表面氮化增加了在450℃左右的低温下的溶解度。

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