Creep-Rupture Behavior of Six Candidate Stirling Engine Superalloys Tested in Air
Source abstract
Abstract
The creep-rupture behavior of six candidate Stirling engine iron-base superalloys was determined in air. The alloys included four wrought alloys (A-286, Alloy 800H, N-155, and 19-9DL) and two cast alloys (CRM-6D and XF-818). The specimens were tested to rupture for times up to 3000 h at 650° to 925°C. Rupture life (tr), minimum creep rate (ε˙m), and time to 1 percent creep strain (t0.01), were statistically analyzed as a function of stress and temperature. Estimated stress levels at different temperatures to obtain 3500 h tr and t0.01 lives were determined. These data will be compared with similar data being obtained under 15 MPa hydrogen.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: High Temperature Alloys and Creep · Thermodynamic and Structural Properties of Metals and Alloys · Nuclear Materials and Properties
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Affiliations
IIT Research Institute, Chicago, Ill. 60616
References
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