Dynamic Fracture Process during Three-Point- Bending Impact on Polymethyl-Methacrylate Beams

Dynamic Fracture Process during Three-Point- Bending Impact on Polymethyl-Methacrylate Beams

Wu Zhou

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Dahsin Liu

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Hoa X Nguyen

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Wei Huang

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Michigan State University

Ѡ North University of China

Dynamic Fracture Process during Three-Point- Bending Impact on Polymethyl-Methacrylate Beams

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Abstract

Dynamic fracture process in polymethyl-methacrylate (PMMA) beamshave been investigated during the three-point-bending impact tests at different imapct velocites, conducted in a drop-weight impact tower instrument. The impact-induced crack initiation and propagation have been recorded with a high-speed camera, to determine the instantaneous fracture length and crack velocity during impact process. The beam deformation and displacement fields were extracted and analyzed by using the digital image correlation (DIC) thechnique during the impact. The impact loading history has been recorded with a load cell attached to the dropping weight. Thewhole experimental studyis a suitable technique to determine the influence of the impact velocites (impact energy) on the dynamic fracture initation and propagation at different crack speeds.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Wu Zhou. 2017. \u201cDynamic Fracture Process during Three-Point- Bending Impact on Polymethyl-Methacrylate Beams\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 17 (GJRE Volume 17 Issue A3): .

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GJRE Volume 17 Issue A3
Pg. 1- 8

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-A Classification: FOR Code: 091399

Submission ReceivedDecember 16, 2016
Peer Review Double Blind
Handling Editor
Accepted January 4, 2017
Published January 15, 2017

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v1.2

Issue date

August 22, 2017

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Article Matrices

Total Score: 134

Country: United States

Subject: Global Journal of Research in Engineering - A : Mechanical & Mechanics

Authors: Wu Zhou, Dahsin Liu, Hoa X Nguyen, Wei Huang (PhD/Dr. count: 0)

View Count (all-time): 227

Total Views (Real + Logic): 3527

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Publish Date: 2017 08, Tue

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Total Views: 3527

Total Downloads: 1694

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