The Rupture-Test Characteristics of Heat-Resistant Sheet Alloys at 1700 deg and 1800 deg F
Abstract
The characteristics of a representative group of heat-resistant alloys in sheet form were investigated by rupture tests at 1700 F and 1800 F. The primary purpose was to provide data which could be used by the aircraft industry to determine whether the rupture-test properties of an alloy would be a criterion of service performance in combustion chambers and other applications of sheet alloys at high temperatures in power plants for aircraft. Suitable service data were not available for this type of correlation in the present report. The materials studied included the standard chromium-nickel types 330 (35Ni-l3Cr), 310 (25Cr-2ONi), 3108 (25Cr-2ONi+Si), 309 (25Cr-l2Ni), and Inconel alloys, the new highly alloyed materials known as Vitallium, Co-Cr-Ni, s816, 5590, and low-carbon N- 155, and four experimental alloys containing cobalt, molybdenum, tungsten, and boron in addition to nickel and chromium. The highly alloyed materials, in most cases, had higher rupture strengths only for time periods up to about 1000 hours at 1700 F and for somewhat shorter time periods at 1800 F. The relative rupture strengths varied with the time period and the temperature considered. In general, Vitallium, J-838, and 3-590 were the strongest of the new alloys and type 3108 was the best of the standard alloys. tow-carbon N-155 apparently had the best strength at time periods of 1000 hours and longer.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1948
- Accession Number
- ADA381461
Entities
People
- A. E. White
- E. E. Reynolds
- Jesse Freeman
Organizations
- National Aeronautics and Space Administration