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本合金与 Al—Si 共晶超塑性合金相比,超塑特性更加优良。所谓超塑性铝合金是指在400～600℃温度范围以规定的速度行高温拉伸,至少能伸长300%以上。此种超塑
The alloy is superior to Al-Si eutectic superplastic alloy in superplasticity. The so-called superplastic aluminum alloy is in the temperature range of 400 ~ 600 ℃ at a predetermined speed high temperature stretching, elongation of at least 300%. This super plastic