Porous PLAs with Controllable Density by FDM 3D Printing and Chemical Foaming Agent.

Micromachines (Basel) · 2021 · PMC8398240 · PMID 34442488

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a decreasing trendno p-value reported

A similar stiffness–density variation trend was reported for tensile strength in References [ 13 , 14 ], while a decreasing trend was observed for stiffness in those references. 4.

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an increasing trendno p-value reported

It is also seen that the tensile stiffness and strength of the 3D-printed PLA foams in this research have an increasing trend with increases in density.

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