Joseph D. Roy‐Mayhew
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View article: Fabrication and tunable reinforcement of net-shaped aluminum matrix composite parts via 3D printing
Fabrication and tunable reinforcement of net-shaped aluminum matrix composite parts via 3D printing Open
View article: Environmental Stability of Additively Manufactured Thermoplastic Polyamide Composites
Environmental Stability of Additively Manufactured Thermoplastic Polyamide Composites Open
As the adoption of additive manufacturing technologies for end-use parts continues to progress, the evaluation of environmental durability is essential for the qualification of manufactured articles in industries such as automotive, aerosp…
View article: Multiplanar continuous fiber reinforcement in additively manufactured parts via co-part assembly
Multiplanar continuous fiber reinforcement in additively manufactured parts via co-part assembly Open
Purpose Many additively manufactured parts suffer from reduced interlayer strength. This anisotropy is necessarily tied to the orientation during manufacture. When individual features on a part have conflicting optimal orientations, the pa…
View article: Effects of Coefficient of Thermal Expansion and Moisture Absorption on the Dimensional Accuracy of Carbon-Reinforced 3D Printed Parts
Effects of Coefficient of Thermal Expansion and Moisture Absorption on the Dimensional Accuracy of Carbon-Reinforced 3D Printed Parts Open
Environmental effects—temperature and moisture—on 3D printed part dimensional accuracy are explored. The coefficient of thermal expansion of four different nylon materials was determined for XY and ZX print orientations, with 0°, 45°/−45°,…
View article: Bi-metal composite material for plastic injection molding tooling applications via fused filament fabrication process
Bi-metal composite material for plastic injection molding tooling applications via fused filament fabrication process Open
Metal fused filament fabrication (FFF) technology uses metal powder filled plastic filaments, coupled with debinding and sintering operations, to produce metal parts. This study builds upon FFF technology, combining the technique with melt…
View article: Drivers of mechanical performance variance in <scp>3D</scp>‐printed fused filament fabrication parts: An Onyx <scp>FR</scp> case study
Drivers of mechanical performance variance in <span>3D</span>‐printed fused filament fabrication parts: An Onyx <span>FR</span> case study Open
Effects on mechanical properties of user‐controlled and user‐uncontrolled factors in a 3D printing system were investigated using a flame retardant carbon fiber reinforced nylon filament. Moisture and print orientation, both user controlla…