Superalloy forging process

Patent · Tue Jun 09 00:00:00 EDT 1992

OSTI ID:7111582

Miller, J A; Paulonis, D F; Genereux, P D; Samuelson, J W; Jackman, L A; Vaccaro, F P; Thomas, W M

This patent describes process for producing a superalloy article having a fine grain size and good mechanical properties at temperatures below about 1200{degrees} F, starting with a material consisting essentially, by weight, of 12-20% Cr, 10-20% Co, 2-5.5% Mo, 3-7% Ti, 1.2-3.5% Al, 0.005-0.25% C, 0.005-0.05% B, 0.01-0.1% Zr, 0-1% Ta, 0-4.5% W, 0-1% Nb, 0-2.0% Fe, 0-0.3% Hf, 0-0.02% Y, 0-1% Re, balance Ni, and having a gamma prime solvus temperature, in the form of a casting.

• Assignee: United Technologies Corp., Hartford, CT (United States)
• Patent Number(s): US 5120373; A
• Application Number: PPN: US 7-685580; TRN: 92-027820
• OSTI ID: 7111582
• Resource Relation: Patent File Date: 15 Apr 1991
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
HEAT RESISTING ALLOYS
CHEMICAL COMPOSITION
FORGING
MECHANICAL PROPERTIES
ALUMINIUM ALLOYS
CHROMIUM ALLOYS
MICROSTRUCTURE
MOLYBDENUM ALLOYS
THERMOMECHANICAL TREATMENTS
TITANIUM ALLOYS
TUNGSTEN
ZIRCONIUM
ALLOYS
CRYSTAL STRUCTURE
ELEMENTS
FABRICATION
HEAT RESISTANT MATERIALS
HEAT TREATMENTS
MATERIALS
MATERIALS WORKING
METALS
TRANSITION ELEMENTS
360101* - Metals & Alloys- Preparation & Fabrication
360103 - Metals & Alloys- Mechanical Properties