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- Title
Isothermal Deformation of Heat-Resistant Alloys.
- Authors
Ospennikova, O.; Lomberg, B.; Moiseev, N.; Kapitanenko, D.
- Abstract
This article reports on the development and industrial use of production processes that employ high-temperature isothermal stamping to make disks for gas-turbine engines (GTEs) and other parts composed of hard-to-deform heat-resistant heterophase alloys of nickel and titanium. Mastering the production of semifinished products for GTE disks required the solution of a multifaceted problem - develop thermomechanical regimes for the alloys' deformation that will make use of superplasticity, create effective protective-lubricant coatings, develop ultra-heat-resistant stamping materials that will be very durable in air, and design energy-efficient equipment for isothermal stamping. The technologies that have already been developed have been used to master the production of economical high-quality stampings made of hard-to-deform ultra-heat-resistant alloys that would be difficult or impossible to make by traditional technologies.
- Subjects
ISOTHERMAL processes; DEFORMATIONS (Mechanics); HEAT resistant alloys; TEMPERATURE effect; RECRYSTALLIZATION (Metallurgy); LUBRICATION &; lubricants
- Publication
Metallurgist, 2014, Vol 57, Issue 9/10, p949
- ISSN
0026-0894
- Publication type
Article
- DOI
10.1007/s11015-014-9827-0