Theoretical and Experimental Study on Tensile Properties of Fused Filament Fabrication Thin Plates

doi:10.12068/j.issn.1005-3026.2022.01.009

Abstract

Abstract: Due to the manufacturing layer-by-layer deposition process of the fused filament fabrication (FFF) technology， the tensile properties of the products have obvious limitations. In order to put forward effective improvement measures， the corresponding mechanism of FFF products should be clarified， that is， establishing theoretical constitutive model. Based on the classical elastic mechanics theory， the constitutive model of FFF thin plate samples is set up， and the theoretical analysis on the tensile properties of the samples are completed. Then， the experimental tensile properties of the samples were obtained by using the tensile testing machine.Finally， by comparing the theoretical and experimental results of stress-strain curves of the samples built in both X and Z direction， it is shown that they are in good consistence， verifying the correctness and accuracy of the theoretical model.

Key words: fused filament fabrication (FFF); tensile property; constitutive model; stress-strain; tensile test

CLC Number:

TH113.1

JIANG Shi-jie， DONG Tian-kuo， DAI Wei-bing， ZHAN Ming. Theoretical and Experimental Study on Tensile Properties of Fused Filament Fabrication Thin Plates[J]. Journal of Northeastern University(Natural Science), 2022, 43(1): 65-70.

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