综述了热浸镀铝钢镀铝层的组织、形成机理、生长动力学和扩散后组织的研究现状，指出了热浸镀铝钢今后的研究方向。
The research status about of the microstructure, formation mechanism and growth kinetics of hot dip aluminizing coating is reviewed. Research directions for hot-dip aluminized steel are suggested.
采用便携式瞬时腐蚀速度测量仪，对20钢及其热浸镀铝件分别在酸性和碱性介质中测定年腐蚀速率并进行比较。
A portable corrosion rate meter was used to comparatively measure the annual corrosion rates of 20 steel tube and its integral hot-dip aluminizing coating in acidic and alkali corrosive mediums.
结果表明：J55和N80钢热浸镀铝后的镀层组织均可分为纯铝层和铁铝金属间化合物层两层；
The results showed that the hot-dip aluminizing coatings on both the J55 and N80 steels were composed of aluminum layer and Fe-Al intermetallic compound layer.
热浸镀铝-镧钢的扩散层中存在非晶态相，且稀土镧的添加可使扩散层中的非晶含量增加。
There is amorphous phase in diffusion layer of the hot-dip La-aluminizing and the content of the amorphous phase increases due to the addition of rare earths la.
热浸镀铝-镧钢的扩散层中存在非晶态相，且稀土镧的添加可使扩散层中的非晶含量增加。
There is amorphous phase in diffusion layer of the hot-dip La-aluminizing and the content of the amorphous phase increases due to the addition of rare earths la.
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