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PRODUCTION OF PARTS MADE OF ALUMINUM ALLOY KEEPING HIGH FATIGUE STRENGTH EVEN AFTER BEING KEPT IN HIGH TEMPERATURE FOR HOURS
PRODUCTION OF PARTS MADE OF ALUMINUM ALLOY KEEPING HIGH FATIGUE STRENGTH EVEN AFTER BEING KEPT IN HIGH TEMPERATURE FOR HOURS
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机译:即使在高温下保持数小时仍保持高疲劳强度的铝合金制件的生产
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摘要
The invention relates to a process for the production of aluminum alloy components retaining a good fatigue strength when used hot. This process consists of producing an alloy containing by weight 11 to 26% silicon, 2 to 5% iron, 0.5 to 5% copper, 0.1 to 2% magnesium, 0.1 to 0.4% zirconium and 0.5 to 1.5% manganese, subjecting the alloy in the molten state to a fast solidification means, bringing it into the form of parts or components and optionally subjecting the latter to a heat treatment at between 490 DEG and 520 DEG C., followed by water hardening and annealing at between 170 DEG and 210 DEG C. These components are used more particularly as rods, piston rods and pistons.
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