发明名称 |
Titanium alloy and method for heat treatment of large-sized semifinished materials of said alloy |
摘要 |
The inventive titanium alloy comprises, expressed in mass %: aluminium 4.0-6.0; vanadium 4.5-5.0; molybdenum 4.5-5.0; chromium 2.0-3.6; ferrum 0.2-0.5; the rest being titanium. An equivalent molybdenum content is determined as corresponding to Moequiv.>=13.8. The total aluminum and zirconium content does not exceed 7.2. The inventive method for heat treatment consists in heating to tbeta<>alpha+beta-(30-70)° C., conditioning during 2-5 hrs. at that temperature, air or water cooling and age-hardening at a temperature ranging from 540° C. to 600° C. during 8-16 hrs. Said alloy has a high volumetric deformability and is used for manufacturing massive large-sized forged and pressed pieces having a high strength level, satisfactory characteristics of plasticity and fracture toughness.
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申请公布号 |
US2003116233(A1) |
申请公布日期 |
2003.06.26 |
申请号 |
US20020275093 |
申请日期 |
2002.11.01 |
申请人 |
TETYUKHIN VLADISLAV VALENTINOVICH;ZAKHAROV JURY IVANOVICH;LEVIN IGOR VASILIEVICH |
发明人 |
TETYUKHIN VLADISLAV VALENTINOVICH;ZAKHAROV JURY IVANOVICH;LEVIN IGOR VASILIEVICH |
分类号 |
C22C14/00;C22F1/18;(IPC1-7):C22C16/00 |
主分类号 |
C22C14/00 |
代理机构 |
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代理人 |
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