采用双级雾化水冷快凝与粉末冶金技术制备了(2024Al)-20Si-5Fe(质量分数,%)耐磨合金,分析了合金的微观组织,利用磨损实验研究了合金的耐磨性和磨损失效形式结果表明:快凝粉末冶金合金具有比铸造合金更细小的微观组织,更高的耐磨性和减磨性.耐磨性是铸造合金的2.5-4倍.快凝合金的磨损失效形式主要是磨粒磨损和疲劳磨损.而铸造合金的磨损失效形式主要是磨粒磨损、粘着磨损和部分氧化磨损.
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