| 摘要 |
FIELD: metallurgy.SUBSTANCE: invention relates to titanium alloys, and can be used in making structures operated in aggressive media, such as marine water at high temperatures. Titanium-based alloy contains, wt %: aluminium 3.0-4.2, zirconium 2.0-3.0, silicon 0.02-0.12, iron 0.05-0.25, oxygen 0.03-0.14, nitrogen 0.01-0.04, carbon 0.05-0.10, hydrogen 0.001-0.006, ruthenium 0.05-0.15, niobium 0.7-1.5, vanadium 0.7-1.5, balance is titanium.EFFECT: alloy is characterised by high strength, resistance to slot, pitting and hot salt corrosion in aggressive selenium-containing media with pH>2 and temperature of up to 250°C.1 cl, 2 tbl |
