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Hagai, Rafael
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Comparative Stress–Strain Study of Rubber and Metal: Implications for Cutting Resistance Hagai, Rafael
Jurnal Sains dan Teknologi (JSIT) Vol. 5 No. 3 (2025): September-Desember
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v5i2.3546

Abstract

This study aims to investigate the physical phenomenon that occurs when a sharp knife is inserted into rubber material under various strain conditions. The analysis is based on experimental data from "Nuttras," examining four distinct strain values: ε = 0.5, ε = 5.333, ε = -1 (compressive strain), and an extremely small tensile strain (ε = 1.67×10⁻⁹). The findings reveal a fundamental difference between the hyperelastic, non-linear behavior of rubber and the linear, brittle nature of metal. The force required for cutting ranged from 1.67 μN to 5333 N. The results demonstrate that the non-linear elasticity of rubber, which allows for significant energy absorption and chain realignment, prevents the knife from causing instant fracture. This highlights a key mechanical property distinction with significant implications for material design and application.
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