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金属学报  1999 

固溶和时效对压铸AZ91HP合金力学性能的影响

, PP. 869-873

Keywords: 热处理,力学性能,镁合金,固溶,时效

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Abstract:

与压铸Mg合金试样AZ91HP-F相比,压铸后经固溶处理的Mg合金AZ91HP-54的硬度和屈服强度降低,延伸率,抗拉强度显著提高,抗拉强度与屈服强度比由压铸态的1.59上升至2.16.固溶处理后再经时效处理的Mg合金AZ91-HP-T6的延伸率稍微降低,屈服强度和抗拉强度则显著提高,平均硬度值由压铸态的HB74上升至HB98.

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