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

Patent · Tue Aug 23 04:00:00 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
• OSTI ID: 5285630
• Country of Publication: United States
• Language: English

Related Subjects

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