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有电解铁镀层的工业纯铁样品用低温氧氮碳共渗强化。渗氮气氛(NH3)中碳(CO2)含量在8.104 Pa气压下是10(体积百分数)%,处理时间7 h。分析了结构上的差异对深度的影响,测量了氧氮碳共渗样品的硬度分布和X射线衍射谱。电解沉积铁表面改性的参数和低温再结晶并真空退火和氧氮碳共渗样品的参数比较。结果确定不同比例的所有样品的化合物层中都形成γ相和ε相。由于铁的超细晶粒结构,电解沉积铁的镀层和基体之间的相分布有明显的不同。
Industrial iron samples with electrolytic iron plating were strengthened with low temperature oxy-nitrocarburizing. The content of carbon (CO2) in the nitriding atmosphere (NH3) is 10% by volume under the pressure of 8.104 Pa and the treating time is 7 h. The effect of structural differences on depth was analyzed. The hardness distribution and X-ray diffraction spectra of the samples were measured. Electrodeposition of iron surface modification parameters and low temperature recrystallization and vacuum annealing and nitrocarburizing parameters of the sample comparison. As a result, it was confirmed that the γ phase and the ε phase were formed in the compound layers of all samples in different proportions. Due to the ultrafine grain structure of iron, there is a clear difference in the phase distribution between the electroplated iron coating and the substrate.