Low-Velocity Impact Response of Woven Carbon Composites in Arctic Conditions

被引：16

作者：

Castellanos A.G. ^{[1
]}

Cinar K. ^{[2
]}

Guven I. ^{[2
]}

Prabhakar P. ^{[1
]}

机构：

[1] Department of Civil & Environmental Engineering, University of Wisconsin-Madison, Madison, 53706, WI

[2] Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, 23284, VA

来源：

Journal of Dynamic Behavior of Materials | 2018年 / 4卷 / 03期

关键词：

Arctic temperature; Dynamic impact; Failure mechanisms; Low-velocity impact;

D O I：

10.1007/s40870-018-0160-8

中图分类号：

学科分类号：

摘要：

Arctic exploration has risen in the past few years due to which new challenges have emerged with regard to lightweighting in naval structures using fiber reinforced composite materials. An in-depth understanding of the mechanical behavior and failure mechanisms of fiber reinforced composites in arctic conditions need to be established for use in such applications. Towards that, the focus of this paper is on establishing the low-velocity impact behavior of carbon fiber reinforced polymeric composites in arctic temperature (– 50 ∘C considered here). Impact responses, such as the contact force, displacement and absorbed energy, at four impact energies of 20, 25, 30 and 35 J are determined at arctic temperature (– 50 ∘C) and compared against those at room temperature (25 ∘C). Optical microscopy and micro computed tomography (micro-CT) scanning are used for identifying the extent and type of failure on the surfaces and in the interior of the composites, respectively. Key changes in failure mechanisms are observed with respect to changing impact energies and temperatures, and a detailed account is provided in this paper. © 2018, Society for Experimental Mechanics, Inc.

引用

页码：308 / 316

页数：8

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