Evaluation and characterization of plastics-made sheet type components under impact

M. Nizar Machmud, Masaki Omiya, Hirotsugu Inoue, Kikuo Kishimoto

研究成果: Conference contribution

抄録

Experimental works using a drop weight impact test method have been performed on a circular sheet specimen to evaluate and to characterize the impact resistance of the sheet-type plastic components designed for automotive wheel covers. Evaluation has been conducted for a set of engineering plastics: polycarbonate (PC), acrylonitrile-butadiene-styrene (ABS) and their blend (PC/ABS). The testing results showed that the PC/ABS blend specimens failed in brittle manner under higher impact speeds with very few of whitening zones. Secondary cracks captured perpendicular to fracture surface were also found in the mid-plane of the scattered PC/ABS blend specimens. Investigation is then focused on this blend and the testing results describe that impact resistance of the specimen made of this alternative material is determined by ABS not by PC. Combination of structures between PC and ABS through the thickness in the core due to their immiscibility was observed by scanning electron microscope (SEM) on the etched PC/ABS specimen. This latter result well correlates the results obtained from the testing. It therefore reveals that immiscibility between PC and ABS in the blend plays an important role in determining the impact resistance of the components. This paper also presents simulative results of the test obtained from a FEA work by introducing a 3D- layered finite element (FE) model of the PC/ABS specimen to take into account effect of a layer in the core on the behavior of the blend.

本文言語English
ホスト出版物のタイトルAdvances in Fracture and Materials Behavior - Selected, peer reviewed papers of the Seventh International Conference on Fracture and Strength of Solids (FEOFS2007)
出版社Trans Tech Publications
ページ381-386
ページ数6
ISBN(印刷版)0878493999, 9780878493999
DOI
出版ステータスPublished - 2008
イベント7th International Conference on Fracture and Strength of Solids, FEOFS 2007 - Urumqi, China
継続期間: 2007 8 272007 8 29

出版物シリーズ

名前Advanced Materials Research
33-37 PART 1
ISSN(印刷版)1022-6680

Other

Other7th International Conference on Fracture and Strength of Solids, FEOFS 2007
国/地域China
CityUrumqi
Period07/8/2707/8/29

ASJC Scopus subject areas

  • 工学(全般)

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