Tensile Bar Manufacturing and Processing for the Further Development of High Entropy Aluminum Alloys Public
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Measuring the tensile properties is a challenge for aluminum alloys with poor castability due to the difficulty of making a standard circular tensile bar. The current project is to design small tensile bars for the novel high entropy aluminum alloys developed by WPI Advanced Casting Research Center (ACRC). A Computer Numerical Control (CNC) machining experimental procedure was used to make the small tensile bars. It is observed that a similar trend on yield strength and elongation with the standard circular tensile bar in the benchmark test. In addition, there are two more benefits of making small tensile bars. One, it only uses 5% of the standard circular tensile bar. Second, it is able to provide the tensile properties trend of aluminum alloys with poor castabilities.
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