...海水腐蚀行为对比(Ⅰ) 关键字: 热浸镀；热浸镀层； 海水腐蚀； 耐蚀性； 全浸区[gap=1343]Key words: hot dip; hot dip coating; seawater corrosion; corrosion resistance; immersion zone..
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为了提升在较低温度下热浸镀液的流动性，避免镀层过厚，并进步镀层外观，常常参加0.01% ~ 0.02%的纯铝。
In order to improve the fluidity of hot dipping liquid at low temperature, avoid coating thickness, and improve the coating appearance, pure aluminum often participate in 0.01% ~ 0.02%.
用溶剂法制备了稀土铝镀层，采用金相显微镜、扫描电镜观察测定了超声场对热浸镀稀土铝表面层厚度的影响，绘制了表面层厚度变化的动力学曲线。
The influence of ultrasonic field on the growth of surface layer of HDA REAl coating has been studied by MOM and SEM, and the growth of surface layer with time has been drafted.
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.
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