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Volume 45, No 4, 2023, Pages 604-617


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Effect of Process Parameters on the Solid Particle Erosion Resistance of Transparent Materials

Authors:

Dogan Acar , Mohammad Hussain Danesh ,
Ömer Necati Cora

DOI: 10.24874/ti.1495.06.23.08

Received: 9 June 2023
Revised: 13 July 2023
Accepted: 7 August 2023
Published: 15 December 2023

Abstract:

The solid particle erosion (SPE) performance of three different transparent materials, polycarbonate solid sheet, plexiglass (Polymethylmethacrylate (PMMA), and laminated glass was investigated. Erosion tests were performed under different impact angles (20░, 30░, 45░, 60░, and 90░) and impinging velocities (75, 150, and 200 m/s). As erodent particles, alumina (Al2O3) with 52 Ám average diameter and silicon carbide (SiC), particles with two different dimensions (71, and 348 Ám in diameters) were used. The results showed that polycarbonate specimens outperformed the other tested samples regardless of impact velocity and impinging angle conditions. When the erosion resistance of samples at 90░ and 75 m/s is taken into consideration, the polycarbonate sheet was found to be at least 14 times more erosion resistant compared to plexiglass, and 23 times more resistant than the laminated glass materials. In addition, polycarbonate exhibited an incubation behavior at lower impact velocity, and with SiC erodent.

Keywords:

Solid particle erosion, Transparent materials, Polycarbonate, Plexiglass, Laminated glass, ASTM G76-13, MIL-STD-3033



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