Characterization of process-deformation/damage property relationship of fused deposition modeling (FDM) 3D-printed specimens

被引：103

作者：

Kerekes, Tomas Webbe ^{[1
]}

Lim, Hyoungjun ^{[1
]}

Joe, Woong Yeol ^{[2
]}

Yun, Gun Jin ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Mech & Aerosp Engn, Gwanak Gu Gwanak Ro 1,Bldg 301,Room 1308, Seoul 08826, South Korea

[2] Tennessee State Univ, Dept Mech & Mfg Engn, Nashville, TN 37203 USA

来源：

ADDITIVE MANUFACTURING | 2019年 / 25卷

关键词：

Fused deposition modeling; 3D printing; Failure mechanisms; Damage model; Process-property relationship; FINITE-ELEMENT-ANALYSIS; MECHANICAL-PROPERTIES; PARAMETERS; PARTS; OPTIMIZATION; STRENGTH; FAILURE; QUALITY; ABS;

D O I：

10.1016/j.addma.2018.11.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, we investigated the process variable effects on the damage and deformational behavior of fused deposition modeling (FDM) three-dimensional (3D)-printed specimens by performing tensile tests and inverse identification analyses. A characterization of the effects of different parametric variations of 3D-printed specimens on fracture properties are a matter of considerable significance that are often overlooked. By combining the infill density and the layer thickness options that are available in the 3D printer machine, six groups with different structural configurations can be obtained. The data and images obtained from experiments are employed to investigate the failure mechanism of 3D-printed specimens and demonstrate the relationship that exists between structural variations and fracture mechanical properties. On the basis of experimental results, a Gurson-type porous plasticity model was used within a 3D continuum finite element model to characterize the process-damage parameter relationship through an inverse identification process.

引用

页码：532 / 544

页数：13

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