Titanium alloy composition for the production of high-performance parts, in particular for the aeronautical industry

摘要

A titanium alloy having at least 4% by weight aluminum and at least 0.1% by weight oxygen, the alloy also including at least one element selected from vanadium, molybdenum, chromium, and iron. The titanium alloy also includes hafnium in a proportion by weight of at least 0.1%.

主权项

1. A forged aircraft landing gear composed of a titanium alloy, in addition to titanium constituting the majority proportion by weight, the alloy including at least the following elements, in the proportions by weight that are specified:aluminum4.0% to 7.5%vanadium3.5% to 5.5%molybdenum4.5% to 7.5%chromium1.8% to 3.6%iron0.2% to 0.5%hafnium0.1% to 0.7%oxygen0.1% to 0.3%carbon0.01% to 0.2%zirconium 0.1% to less than 0.7%, wherein the combined proportion by weight of hafnium plus zirconium does not exceed 1%.