利用热浸镀铝后真空扩散的方法在Q235钢板表面制备FeAl合金层,并进行形变量为20.5%、34.1%、40.9%的冷轧试验.采用金相、SEM、EDS、XRD分析了冷轧前后合金层的组织结构,测试了不同冷轧形变量试样的高温抗氧化性能.结果表明,冷轧后合金层与基体结合良好,未出现脆裂、剥落.冷轧过程中剧烈的塑性变形使FeAl相发生部分无序化转变,微观应变随冷轧形变量的增大缓慢增大,最大微观应变达0.40%.冷轧后合金层依然具有良好的高温抗氧化性能,经最大冷轧形变量40.9%时,高温抗氧化性能仅下降8.4%.
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