Castable heat resistant aluminium alloy

摘要

The present invention relates to a castable heat resistant aluminum alloy for high temperature applications such as components in combustion engines, in particular for the manufacturing of highly loaded cylinder heads, the alloy comprises the following composition: .Si: 6.5-10 wt %.Mg: 0.25-0.35 wt %.Cu: 0.3-0.7 wt %.Hf: 0.025-0.55 wt % Optionally with the addition of: .Ti: 0-0.2 wt %.Zr: 0-0.3 wt %, the balance being made of Al and unavoidable impurities including Fe.

主权项

1. A castable heat resistant aluminium alloy for high temperature applications such as components in combustion engines,
wherein the alloy consists of 6.5-10 wt % Si, 0.25-0.35 wt % Mg, 0.3-0.7 wt % Cu, 0.025-0.55 wt % Hf, 0-0.2 wt % Ti, 0-0.3 wt % Zr, anda balance of Al and unavoidable impurities.