The proper Rare Eatth content added and ageing temperature increased improve conductivity of the alloy, and the effect of ageing temperature on hardness has an optimum value.
提高时效温度，可提高合金的导电率，但对合金硬度的影响有个最佳值。
The proper Rare Eatth content added and ageing temperature increased improve conductivity of the alloy, and the effect of ageing temperature on hardness has an optimum value.
提高时效温度，可提高合金的导电率，但对合金硬度的影响有个最佳值。
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