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A Finite Volume Framework for the Simulation of Additive Friction Stir Deposition

Source: Journal of Engineering Materials and Technology:;2023:;volume( 145 ):;issue: 003:;page 31002-1

Author(s): Kincaid, K. C.; MacPhee, D. W.; Stubblefield, G. G.; Jordon, J. B.; Rushing, T. W.; Allison, P. G.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: In this study, a finite volume simulation framework was developed, validated, and employed for the first time in a new solid-state additive manufacturing and repair process, Additive Friction Stir Deposition (AFSD). The ...

Plasticity and Fracture Modeling/Experimental Study of a Porous Metal Under Various Strain Rates, Temperatures, and Stress States

Source: Journal of Engineering Materials and Technology:;2013:;volume( 135 ):;issue: 004:;page 41008

Author(s): Allison, P. G.; Grewal, H.; Hammi, Y.; Brown, H. R.; Whittington, W. R.; Horstemeyer, M. F.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: A microstructurebased internal state variable (ISV) plasticitydamage model was used to model the mechanical behavior of a porous FC0205 steel alloy that was procured via a powder metal (PM) process. Because the porosity ...

Evaluation of Microstructure and Mechanical Properties of Al-Zn-Mg-Cu Alloy Repaired via Additive Friction Stir Deposition

Source: Journal of Engineering Materials and Technology:;2022:;volume( 144 ):;issue: 003:;page 31003-1

Author(s): Avery, D. Z.; Cleek, C. E.; Phillips, B. J.; Rekha, M. Y.; Kinser, R. P.; Rao, H. M.; Brewer, L. N.; Allison, P. G.; Jordon, J. B.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: A novel solid-state additive manufacturing (AM) process, additive friction stir deposition (AFS-D), provides a new pathway for additively repairing damaged nonweldable aerospace materials that are susceptible to induced ...

Effect of Post-Deposition Heat Treatment on the Mechanical Behavior and Deformation Mechanisms of a Solid-State Additively Manufactured Al–Mg–Si Alloy

Source: Journal of Engineering Materials and Technology:;2024:;volume( 146 ):;issue: 002:;page 21005-1

Author(s): Rutherford, B. A.; Avery, D. Z.; Phillips, B. J.; Zhu, N.; Beck, S. C.; Brewer, L. N.; Allison, P. G.; Jordon, J. B.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: The effects of post-deposition heat treatment on the fatigue behavior of AA6061 processed by additive friction stir deposition (AFSD) were investigated for the first time in this work. A heat treatment to recover the T6 ...

Stress-State, Temperature, and Strain Rate Dependence of Vintage ASTM A7 Steel

Source: Journal of Engineering Materials and Technology:;2019:;volume( 141 ):;issue: 002:;page 21002

Author(s): Brauer, S. A.; Whittington, W. R.; Rhee, H.; Allison, P. G.; Dickel, D. E.; Crane, C. K.; Horstemeyer, M. F.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: The structure–property relationships of a vintage ASTM A7 steel is quantified in terms of stress state, temperature, and strain rate dependence. The microstructural stereology revealed primary phases to be 15.8% ± 2.6% ...

Microstructural and Mechanical Properties of a Solid-State Additive Manufactured Magnesium Alloy

Source: Journal of Manufacturing Science and Engineering:;2021:;volume( 144 ):;issue: 006:;page 61013-1

Author(s): Robinson, T. W.; Williams, M. B.; Rao, H. M.; Kinser, R. P.; Allison, P. G.; Jordon, J. B.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: In recent years, additive manufacturing (AM) has gained prominence in rapid prototyping and production of structural components with complex geometries. Magnesium alloys, which have a strength-to-weight ratio that is ...

Strain Rate and Stress-State Dependence of Gray Cast Iron

Source: Journal of Engineering Materials and Technology:;2017:;volume( 139 ):;issue: 002:;page 21013

Author(s): Brauer, S. A.; Whittington, W. R.; Johnson, K. L.; Li, B.; Rhee, H.; Allison, P. G.; Crane, C. K.; Horstemeyer, M. F.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: An investigation of the mechanical strain rate, inelastic behavior, and microstructural evolution under deformation for an as-cast pearlitic gray cast iron (GCI) is presented. A complex network of graphite, pearlite, ...