包埋渗铝法制备Fe-Al渗层及其扩散机制

李宁宁, 陈旸, 陈希, 殷利迎, 陈光

Preparation Method and Diffusion Mechanism of Fe-Al Coating on Q235 Low Carbon Steel by Pack Aluminizing

LI Ningning, CHEN Yang, CHEN Xi, YIN Liying, CHEN Guang

表5 不同时间制备Fe-Al渗层的表面成分

Table 5 Composition of the Fe-Al layers fabricated at various time (a-15 h, b-20 h, c-25 h)

Content/%, mass fraction a1 a2 B1 B2 c1 c2 Total 100.00 Al 73.10 80.54 71.90 76.19 72.82 73.21 Fe 26.90 19.46 28.10 23.81 27.18 26.79