Compression after ballistic impact response of pseudoelastic shape memory alloy embedded hybrid unsymmetrical patch repaired glass-fiber reinforced polymer composites

被引：24

作者：

Verma, Luv ^{[1
]}

Sivakumar, Srinivasan M. ^{[1
]}

Andrew, Jefferson J. ^{[1
]}

Balaganesan, G. ^{[2
]}

Arockirajan, A. ^{[1
]}

Vedantam, S. ^{[3
]}

机构：

[1] IIT Madras, Dept Appl Mech, Chennai, Tamil Nadu, India

[2] IIT Madras, Dept Mech Engn, Chennai, Tamil Nadu, India

[3] IIT Madras, Dept Engn Design, Chennai, Tamil Nadu, India

来源：

JOURNAL OF COMPOSITE MATERIALS | 2019年 / 53卷 / 28-30期

关键词：

Composite materials; ballistic impact; compression after impact (CAI); composite repair; and external patch repair; LOW-VELOCITY IMPACT; BONDED REPAIRS; DAMAGE; BEHAVIOR; SINGLE; HYBRIDIZATION; PENETRATION; STRENGTH; PREDICTION; CRACKS;

D O I：

10.1177/0021998319856426

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

This paper investigated the influence of embedding pseudoelastic shape memory alloy within the external bonded patch made up of glass fibers on the compression after impact response of adhesively bonded external patch repaired glass/epoxy composite laminates. Unsymmetrical patch repair was employed in the current studies. Three innovative pseudoelastic shape memory alloy configurations (straight wired, meshed and anchored) were embedded inside the patch and the changes in high-velocity impact response and damage tolerance at four impact velocities (70, 85, 95, 105 m/s) were compared with the conventional glass/epoxy (glass fiber-reinforced polymer) patch. Anchored specimens showed the best response by improving the compressive strength by 25% under non-impacted conditions and restoring it by 88%, 77%, 29%, and 28% at the impact velocity of 70, 85, 95, and 105 m/s, respectively, in comparison to the conventional normal specimens.

引用

页码：4225 / 4247

页数：23

共 38 条

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