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Ballistic Impact Properties of Zr-based Amorphous Alloy Composites Reinforced with Woven Continuous Fibers SCIE SCOPUS

Title
Ballistic Impact Properties of Zr-based Amorphous Alloy Composites Reinforced with Woven Continuous Fibers
Authors
GYEONG SU KIMCHANG-YOUNG SONSANG-BOK LEESANG-KWAN LEESANG-KWAN LEELee, S
Date Issued
2012-03
Publisher
SPRINGER
Abstract
This study aims at investigating ballistic impact properties of Zr-based amorphous alloy (LM1 alloy) matrix composites reinforced with woven stainless steel or glass continuous fibers. The fiber-reinforced composites with excellent fiber/matrix interfaces were fabricated without pores and misinfiltration by liquid pressing process, and contained 35 to 41 vol pct of woven continuous fibers homogeneously distributed in the amorphous matrix. The woven-STS-continuous-fiber-reinforced composite consisted of the LM1 alloy layer of 1.0 mm in thickness in the upper region and the fiber-reinforced composite layer in the lower region. The hard LM1 alloy layer absorbed the ballistic impact energy by forming many cracks, and the fiber-reinforced composite layer interrupted the crack propagation and blocked the impact and traveling of the projectile, thereby resulting in the improvement of ballistic performance by about 20 pct over the LM1 alloy. According to the ballistic impact test data of the woven-glass-continuous-fiber-reinforced composite, glass fibers were preferentially fragmented to form a number of cracks, and the amorphous matrix accelerated the fragmentation of glass fibers and the initiation of cracks. Because of the absorption process of ballistic impact energy by forming very large amounts of cracks, fragments, and debris, the glass-fiber-reinforced composite showed better ballistic performance than the LM1 alloy.
URI
https://oasis.postech.ac.kr/handle/2014.oak/11579
DOI
10.1007/s11661-011-0915-5
ISSN
1073-5623
Article Type
Article
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 43A, no. 3, page. 870 - 881, 2012-03
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이성학LEE, SUNG HAK
Dept of Materials Science & Enginrg
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