亚共晶Al-Cu系激光引燃自蔓延合金微观表征及性能研究

Laser Journal(2010)

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Abstract
对亚共晶Al-Cu粉末压坯,通过不同功率进行激光引燃自蔓延烧结。用OM、SEM、XRD进行微观组织表征,并对烧结合金进行耐磨等性能测试。结果表明:烧结后物相由CuAlO2、Al4Cu9、Al2O3等构成,组织为树枝状晶和胞状晶相间分布。在激光输出功率为950W,烧结后密度最大,为2.8101g/cm3,致密性达到最高点,耐磨性最佳,相对失重为3.66%。
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laser ignited ball-milling microstructure characterization,hardness
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