Calorimetric Study with Uncertainty Analysis to Investigate the Precipitation Kinetics in a Nanostructured Al Composite
Source abstract
Abstract
Nanostructured Al–Zn–Mg–Cu alloy and boron carbide/Al–Zn–Mg–Cu composite powders are fabricated through cryomilling. η'‐MgZn2 precipitation in each material is characterized through differential scanning calorimetry. The activation energy of η' precipitation is derived through Kissinger analysis. The addition of boron carbide to nanostructured Al–Zn–Mg–Cu powder increases the onset and peak temperatures of η' precipitation, but do not significantly affect the activation energy. Further analysis of uncertainties in measurement indicates that weighted least squares linear regression is a more reliable method that supplements the use of differential scanning calorimetry as a method for rapid characterization of precipitation in materials.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties · Microstructure and mechanical properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemical Engineering and Materials Science University of California Davis Davis CA 95126 USA
Department of Mechanical Engineering Colorado State University Fort Collins CO 80523 USA
Department of Chemical Engineering and Materials Science University of California Irvine Irvine CA 92697 USA
Funding
Office of Naval Research
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