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Module 3: Solid Based 3D Printing Processes

2025?m

Which stage in the Fused Deposition Modeling (FDM) process is directly responsible for bonding a newly deposited layer to the previous layer?

(i) Liquefaction
(ii) Extrusion
(iii) Solidification and Bonding
(iv) G-Code Interpretation

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Answer: (iii) Solidification and Bonding

In FDM, the extruded thermoplastic is deposited while hot. As the new material contacts the previous layer, heat and molecular diffusion allow interlayer adhesion. Subsequent cooling produces solidification and establishes the bond between layers. Therefore, solidification and bonding is the best answer.

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