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Ultra-high molecular weight polyethylene (UHMWPE) is a material that is frequently utilized to make bulletproof products, although it is clearly temperature sensitive, which can cause variations in impact resistance.
Ballistic tests were carried out at temperatures of 20, 10, 80, and 95 °C, respectively, to examine the impact of temperature on the ballistic performance of UHMWPE laminates.
Comparative and analytical research was done on the laminates’ ballistic effectiveness, rear face deformation, and opening hole characteristics.
The Global UHMWPE bulletproof vest market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
RECENT DEVELOPMENT
The DSM business developed and patented a high-performance polyethylene fibre using the gel spinning technique, sparking the curiosity of other researchers.
Since its commercial production began, UHMWPE materials have found extensive use in a variety of products, including cut-resistant apparel, anchor ropes, protective armour, and fishing nets.
UHMWPE fibre has a wide range of application potential in ballistic protection and material weight reduction because of its outstanding impact resistance and low enough density.
They discovered that, at the same areal density, the UHMWPE laminate has a ballistic limit that is roughly 40–90% higher than those of Kevlar KM2 and E-glass composite laminates.
The effectiveness of the UHMWPE laminate’s protection against rolled homogeneous armour steel, high-hardness armour steel, and high-performance aluminium alloy.
They discovered that the UHMWPE laminate had a larger areal density than the metal materials, up to two to three times higher. Reddy et al. investigated the ballistic effectiveness and failure mechanism of UHMWPE laminate with that of E-glass laminate using the same lead-core bullets.
It was discovered that the UHMWPE laminate had survived, whereas the E-glass laminate had been perforated.
High-speed camera footage showed that the E-glass laminate was mostly subject to shear failure and local deformation under the impact of a bullet travelling at 370 m/s, while the UHMWPE laminate was primarily exposed to fibre tension and global deformation.
According to this, the UHMWPE material not only has the benefit of being lightweight but also has a high energy dissipation capability because of the massive deformation.
