Al Krause, W. T. Donlon
Improvements in formability of certain aluminum alloys are required for utilization by the automotive industry for complex shaped body panels to reduce vehicle weight. The objective of this work was to determine if the structural mechanism responsible for the partial recovery of both aging and non-aging aluminum alloys could be discerned through a microstructural examination. Methodology involved employing optical and transmission electron microscopy to analyze the microstructure after the alloys underwent incremental forming at various temperatures and deformations. Results indicated that for the 6016 and 6111 alloys, no sign of grain growth or structure change was observed post-incremental forming, attributed to the low temperature (250°C) chosen for the incremental heat treatment, which increased ductility without causing observable grain growth. Conversely, for the 5754 alloy, grain growth was observed in certain heat treatments. This differentiation highlights the complexities in the microstructural behavior of aluminum alloys during the forming process, emphasizing the need for careful thermomechanical processing to achieve desired material properties.
@article{4caf3961-0dcb-4875-a7ba-bfe5624e3ce4,
title={A Microstructural Examination of Aluminum Alloys Subjected to Incremental Forming},
author={Al Krause and W. T. Donlon},
year={2026},
language={en}
}TY - JOUR TI - A Microstructural Examination of Aluminum Alloys Subjected to Incremental Forming AU - Al Krause AU - W. T. Donlon PY - 2026 LA - en ER -
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