Zhenzhen Quan

Donghua University, College of Textiles, Graduate Student

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Interests in: (1) Fiber composites, (2) Additive manufacturing of composites, and (3) Textiles engineering and 3D preforms for composites.
Address: Newark, Delaware, United States

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Joon-Hyung Byun

Zachary Larimore

Amanda Wu

Lawrence Livermore National Lab

Jason Carey

Univeristy of Alberta

Frank Abdi

Imperial College London

MUKESH KINHA

Rani Elhajjar

University of Wisconsin Milwaukee

Seyedmohammad S Shams

University of Wisconsin Milwaukee

hamdi AYYILDIZ

Kahramanmaras Sutcu Imam Univ.

Damien SOULAT

Ensait

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Microstructural characterization of additively manufactured multi- directional preforms and composites via X-ray micro-computed tomography

Additive manufacturing features " direct " and " layer-by-layer " fabrication and has significant... more Additive manufacturing features " direct " and " layer-by-layer " fabrication and has significantly facilitated the microstructural design and fabrication of a wide range of highly complex parts. To enable the application of additive manufacturing in major industries and composites, it is necessary to evaluate the microstructural features of additively manufactured parts. Among the various advanced characterization techniques, X-ray micro-computed tomography (m-CT) showed unique advantages as a high resolution, nondestructive and 3D visualization and measurement technique for material characterization. In the research reported in this article, we have fabricated an array of multi-directional preforms and composites and have characterized their microstructural features via X-ray m-CT. First, a solid specimen as well as 3D orthogonal and 3D braided preforms have been fabricated using fused filament fabrication (FFF) and inspected with X-ray m-CT. Then, the fabricated preforms have been infused with silicone matrix and the multi-directional preforms and composites have been tested in compression at different strain levels, to reveal their damage evolution under compressive loading. The preliminary effort made in this research demonstrates the feasibility of characterizing microstructure of additively manufactured parts via X-ray m-CT technique and enables an investigation of the microstructural features and damage evolution of multi-directional preforms and composites.

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Microstructural design and additive manufacturing and characterization of 3D orthogonal short carbon fiber/acrylonitrile-butadiene-styrene preform and composite

by Zhenzhen Quan, Zachary Larimore, Amanda Wu, and Joon-Hyung Byun

In contrast to conventional preforming techniques, additive manufacturing features direct and lay... more In contrast to conventional preforming techniques, additive manufacturing features direct and layer-by-layer fabrication, which provides viable new capabilities for the fabrication of reinforced composites. In this article, we explore the microstructural design as well as additive manufacturing and characterization of 3D orthogonal, short carbon fiber/acrylonitrile-butadiene-styrene (ABS) preforms and composite. First, an array of 3D orthogonal preforms is designed based on topological consideration and validated by fused filament fabrication of pure ABS wire; high fidelity between models and preforms is accomplished. Then, short carbon fibers are introduced into the designed 3D orthogonal preforms as reinforcement, using a short carbon fiber/ABS wire. Lastly, the compressive behavior of a 3D orthogonal, short carbon fiber/ABS preform and that of its silicone infused composite are characterized. The preform design methodology developed in this research as well as the preliminary effort made in composite fabrication and characterization demonstrates the feasibility of additive manufacturing of 3D orthogonal preform based fiber composites.

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Additive manufacturing of multi- directional preforms for composites: opportunities and challenges

by Zhenzhen Quan and Amanda Wu

Current additive manufacturing methods present the potential to construct net-shape structures wi... more Current additive manufacturing methods present the potential to construct net-shape structures with complicated architectures, thus eliminating the need for multi-step processing and fasteners/joints. Combined with these features is the ability to ascribe material properties at the sub-millimeter scale, inspiring multi-material, functionally graded designs. These features make additive manufacturing an attractive option for composite materials development. In an effort to extend this family of technologies beyond nano-and micro-composites, we explore the additive manufacture of multi-directional composite preforms. This exercise has served to highlight the aspects of additive manufacturing critical to composite and general materials processing, as well as to demonstrate the high fidelity between modeled and additively manufactured structures. Within the scope of composites development, we review the state-of-the-art and discuss challenges facing the broad adoption of additive manufacturing for directionally reinforced composites processing.

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Microstructural characterization of additively manufactured multi- directional preforms and composites via X-ray micro-computed tomography

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Microstructural design and additive manufacturing and characterization of 3D orthogonal short carbon fiber/acrylonitrile-butadiene-styrene preform and composite

by Zhenzhen Quan, Zachary Larimore, Amanda Wu, and Joon-Hyung Byun

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Additive manufacturing of multi- directional preforms for composites: opportunities and challenges

by Zhenzhen Quan and Amanda Wu

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