Evolution of Intermetallic Phases in Soldering of the Die Casting of Aluminum Alloys
作者： Jie Song , Xiaoming Wang , Tony DenOuden , Qingyou Han
DOI: 10.1007/S11661-016-3454-2
关键词: Metallurgy 、 Die casting 、 Intermetallic 、 Phase (matter) 、 Die (manufacturing) 、 Materials science 、 Aluminium 、 Soldering 、 Layer (electronics) 、 Composite number
摘要: Most die failures are resulted from chemical reactions of dies and molten aluminum in the casting aluminum. The formation intermetallic phases between a steel is investigated by stationary immersion tests compared to real process. Three identified tests: composite layer two compact layers. mixture α bcc, Al, Si phases. bcc phase changes morphology rod-like spherical shape, while growth rate parabolic linear pattern with time. first forms rapidly after maintains relatively constant thickness. second 4 hours exhibits In comparison, only observed fresh high washes away easily.
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