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US08454766B2 Extruded material of a free-cutting aluminum alloy excellent in embrittlement resistance at a high temperature 有权
在高温下耐脆性优异的自由切削铝合金挤压材料

Extruded material of a free-cutting aluminum alloy excellent in embrittlement resistance at a high temperature
Abstract:
An extruded material of a free-cutting aluminum alloy excellent in embrittlement resistance at a high temperature, containing from 3 to 6% by mass of Cu and from 0.9 to 3% by mass of Bi with the balance being Aluminum and inevitable impurities, wherein a temperature for reducing the Charpy impact test value to half of the value at room temperature is 180° C. or more.
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