Cast thermally stable high temperature nickel-base alloys and casting made therefrom

Patent · Tue Aug 23 00:00:00 EDT 1977

OSTI ID:5285630

Acuncius, D A; Herchenroeder, R B; Kirchner, R W; Silence, W L

A cast thermally stable high temperature nickel-base alloy characterized by superior oxidation resistance, sustainable hot strength and retention of ductility on aging is provided by maintaining the alloy chemistry within the composition molybdenum 13.7% to 15.5%; chromium 14.7% to 16.5%; carbon up to 0.1%, lanthanum in an effective amount to provide oxidation resistance up to 0.08%; boron up to 0.015%; manganese 0.3% to 1.0%; silicon 0.2% to 0.8%; cobalt up to 2.0%; iron up to 3.0%; tungsten up to 1.0%; copper up to 0.4%; phosphorous up to 0.02%; sulfur up to 0.015%; aluminum 0.1% to 0.5% and the balance nickel while maintaining the Nv number less than 2.31.

• Assignee: Cabot Corp.
• Patent Number(s): US 4043810
• Application Number: TRN: 78-002249
• OSTI ID: 5285630
• Resource Relation: Patent File Date: Filed date 29 Dec 1975
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CHROMIUM ALLOYS
CASTING
MOLYBDENUM ALLOYS
NICKEL BASE ALLOYS
AGING
ALUMINIUM ADDITIONS
BORON ADDITIONS
CARBON ADDITIONS
COBALT ADDITIONS
COPPER ADDITIONS
DUCTILITY
IRON ADDITIONS
LANTHANUM ADDITIONS
MANGANESE ADDITIONS
SULFUR ADDITIONS
TENSILE PROPERTIES
TUNGSTEN ADDITIONS
ALLOYS
ALUMINIUM ALLOYS
BORON ALLOYS
COBALT ALLOYS
COPPER ALLOYS
FABRICATION
IRON ALLOYS
LANTHANUM ALLOYS
MANGANESE ALLOYS
MECHANICAL PROPERTIES
NICKEL ALLOYS
RARE EARTH ADDITIONS
RARE EARTH ALLOYS
TUNGSTEN ALLOYS
360101* - Metals & Alloys- Preparation & Fabrication