Mechanical Properties of Hybrid Additively Manufactured Inconel 718 Parts
What are the mechanical properties of hybrid additively manufactured Inconel 718 parts created via thermal control after secondary treatment processes?
What is the tensile strength of HAM Inconel 718 parts?
How does the yield strength of HAM Inconel 718 parts compare to that of wrought Inconel 718 parts?
What is the elongation value of hybrid additively manufactured Inconel 718 parts?
What is the fatigue strength of HAM Inconel 718 parts?
Why is the surface roughness of HAM Inconel 718 parts generally higher than that of wrought Inconel 718 parts?
Mechanical Properties of Hybrid Additively Manufactured Inconel 718 Parts
The mechanical properties of hybrid additively manufactured Inconel 718 parts include tensile strength, yield strength, elongation, fatigue, and surface roughness.
The tensile strength of HAM Inconel 718 parts can reach up to 1,340 MPa, similar to those of wrought Inconel 718 parts.
The yield strength of HAM Inconel 718 parts is comparable to that of wrought Inconel 718 parts and can reach up to 1,080 MPa.
Hybrid additively manufactured Inconel 718 parts exhibit good ductility, with elongation values up to 27%.
The fatigue strength of HAM Inconel 718 parts is high, with a fatigue limit of approximately 480 MPa.
The surface roughness of HAM Inconel 718 parts is generally higher than that of wrought Inconel 718 parts due to the layer-by-layer nature of the powder bed fusion process.
Inconel 718 is a nickel-chromium alloy known for its high tensile, creep, and fatigue strength at high temperatures. Hybrid additive manufacturing (HAM) combines powder bed fusion and directed energy deposition (DED) in a single part, resulting in unique mechanical properties.
The tensile strength of HAM Inconel 718 parts is impressive, reaching up to 1,340 MPa, comparable to traditional wrought parts. This strength is crucial for applications requiring high mechanical performance under extreme conditions.
Similarly, the yield strength of HAM Inconel 718 parts is impressive at up to 1,080 MPa, matching the strength of wrought parts. This attribute ensures the parts can withstand significant loads without permanent deformation.
Elongation values of up to 27% demonstrate the good ductility of hybrid additive manufactured Inconel 718 parts. This property is essential for parts that may experience deformation without fracturing under load.
The high fatigue strength of HAM Inconel 718 parts, with a fatigue limit of approximately 480 MPa, ensures the parts can withstand repeated loading without failure. This is critical for components experiencing cyclic stress.
The challenge of surface roughness in HAM Inconel 718 parts is addressed by secondary treatment processes like machining or polishing to enhance the finish. These processes can improve the surface quality, making parts suitable for applications requiring smooth surfaces.