Dynamic Behavior Characterization of Aluminum Alloy 7020 Manufactured Using the Additive Friction Stir Deposition Process

Williams, M. B.; Cahalan, L. P.; Lopez, J. J.; Perez-Andrade, L. I.; Leonard, R. T.; McDonnell, M. M.; Kelly, M. R.; Lalonde, A. D.; Brewer, L. N.; Jordon, J. B.; Allison, P. G.

doi:10.1007/s11837-023-06126-5

JOM

2023

DOI: 10.1007/s11837-023-06126-5

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Dynamic Behavior Characterization of Aluminum Alloy 7020 Manufactured Using the Additive Friction Stir Deposition Process

M. B. Williams,

L. P. Cahalan,

J. J. Lopez

et al.

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Cited by 3 publications

References 55 publications

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Multi-Overlap-Passed Friction Stir Additive Alloying for Enhanced Wear Characteristics, Mechanical and Metallurgical Attributes

Sahu,

Das,

Dutta

et al. 2024

JOM

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Multi-Overlap-Passed Friction Stir Additive Alloying for Enhanced Wear Characteristics, Mechanical and Metallurgical Attributes

Sahu,

Das,

Dutta

et al. 2024

JOM

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Understanding process parameter-induced variability for tailoring precipitation behavior, grain structure, and mechanical properties of Al-Mg-Si-Mn alloy during solid-state additive manufacturing

Pariyar,

Yasa,

Sharman

et al. 2024

Materials & Design

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Towards Understanding the Relationships between Processing Conditions and Mechanical Performance of the Additive Friction Stir Deposition Process

Williams,

Zhu,

Palya

et al. 2023

Metals

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In this research, we explore the preliminary effects of processing conditions using a novel additive manufacturing (AM) process, known as additive friction stir deposition (AFSD), on resulting build direction (BD) mechanical performance. Using the AFSD process, a feasibility study of three AM builds of identical size are created using differentiating processing parameters. A relationship referred to as the deposition pitch, exhibiting similarities to weld pitch, is determined to be a simple but effective predictor of the interlayer bonding in AFSD processing of AA7020. The deposition pitch directly correlates the necessary temperature, time, and pressure required for effective solid-state bonding. Using this correlation, increased mechanical performance in the BD is achieved through an increase in deposition pitch. A reduction in the deposition pitch from 4.46 rev/mm to 1.08 rev/mm resulted in a significant decrease in failure strain from 24.4% to 0.82%, with the failure mechanism shifting from a ductile failure to brittle failure. The inverse relationship between grain refinement and BD failure strain at high deposition pitches suggests deposition pitch and heat input are the dominant factors in the resulting BD mechanical properties.

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Dynamic Behavior Characterization of Aluminum Alloy 7020 Manufactured Using the Additive Friction Stir Deposition Process

Cited by 3 publications

References 55 publications

Multi-Overlap-Passed Friction Stir Additive Alloying for Enhanced Wear Characteristics, Mechanical and Metallurgical Attributes

Multi-Overlap-Passed Friction Stir Additive Alloying for Enhanced Wear Characteristics, Mechanical and Metallurgical Attributes

Understanding process parameter-induced variability for tailoring precipitation behavior, grain structure, and mechanical properties of Al-Mg-Si-Mn alloy during solid-state additive manufacturing

Towards Understanding the Relationships between Processing Conditions and Mechanical Performance of the Additive Friction Stir Deposition Process

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