Aging behavior of sub-micron Al2O3P/2024Al composites
作者： Jiang Longtao , Zhao Min , Wu Gaohui , Zhang Qiang , None
DOI: 10.1016/J.MSEA.2004.09.048
关键词:
摘要: Abstract Age-hardening behaviors of nearly spherical 0.3 μm-Al 2 O 3 particles reinforced 2024Al composites under the temperature 160, 175 and 190 °C were studied by means Brinell-hardness measurement, TEM DSC. Results show that due to addition sub-micro Al particles, hardness composite was obviously improved. While age-hardening efficiency p/Al lower than monolithic 2024 alloy. Formation G.P. regions suppressed thermal-diffusion activation energy s′phase increased which made precipitation more difficult. And number size precipitates in relatively less smaller.
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