Erosive wear behavior of various polyamides

Rajesh, J. John; Bijwe, Jayashree; Tewari, U. S.; Venkataraman, B.

doi:10.1016/s0043-1648(01)00695-0

Cited by 81 publications

(45 citation statements)

References 25 publications

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“…when particles impact at near normal incidence, lateral cracks induce mass loss, but the radial cracks do not contribute significantly to materials removal. For impact at oblique incidence, however, radial cracks can lead to materials removal (John Rajesh et al, 2001). In the present study, all the composites neither show brittle response nor does it behave ductile.…”

Section: Influence Of Impingement Anglementioning

confidence: 48%

Damage Assessment of Short Glass Fiber Reinforced Polyester Composites: A Comparative Study

Patnaik¹,

Biswas²,

Kaundal³

et al. 2011

Nanocomposites With Unique Properties and Applications in Medicine and Industry

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Section: Influence Of Impingement Anglementioning

confidence: 48%

Damage Assessment of Short Glass Fiber Reinforced Polyester Composites: A Comparative Study

Patnaik¹,

Biswas²,

Kaundal³

et al. 2011

Nanocomposites With Unique Properties and Applications in Medicine and Industry

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“…Furthermore, it was observed that the composite NNC40 showed the lowest erosion rate, whereas NNC20 and NNC30 showed higher and moderate erosion rates, respectively. Theoretically, the behavior of ductile materials is characterized by maximum erosion at acute impingement angles, i.e., [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] , whereas brittle materials show the maximum erosion at normal impingement angle, i.e., 90…”

Section: Steady-state Erosive Wear Behaviormentioning

confidence: 99%

“…[11][12][13] The solid particle erosion behavior of polymer composites as a function of fiber content has been studied to a very limited extent. 14 Tilly and Sage 15 and Rajesh et al 16 have studied the influence of velocity, impact angle, particle size, and weight of impacted abrasives on nylons, carbon-fiber-reinforced nylon, epoxy resin, polypropylene, and glass-fiber-reinforced plastic. Such independent reports led to the fact that the most influential factors controlling the erosion rate of materials are impact velocity, impact angle of the erodent particles, size, shape, and hardness of erodents.…”

Section: Introductionmentioning

confidence: 99%

Structural and mechanical properties of needle‐punched nonwoven reinforced composites in erosive environment

Tejyan

Patnaik

Rawal

et al. 2011

J of Applied Polymer Sci

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Polypropylene-based needle-punched nonwoven reinforced epoxy composites have been fabricated and were evaluated for their thermomechanical response and dry erosion performance. The erosive wear investigations were carried out using silica sand particles as erodent with varying impact velocity, angles of impingement, fiber content, and stand-off-distance as the operating variables. Design of experiments (DoE) approach-based Taguchi analysis was carried out to establish the interdependence of operating parameters and erosion rate. Impingement angle and impact velocity have been found to be the most significant determinants of erosive wear performance of such nonwoven reinforced composites. The composites were also observed to be appreciably resistant to impact content and indentations in addition to exhibiting the absence of any storage-modulus decay till 60 C accompanied with a nominal increase in the primary transition temperature as revealed from loss-tangent peaks. The composite with 30 wt % and 40 wt % of nonwoven materials have shown the highest and lowest erosion rates, respectively. The morphology of eroded surfaces was examined by using scanning electron microscopy (SEM) and their possible erosion mechanisms are discussed.

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“…He concluded that in GF/EP and some other thermoset matrices, the erosion occurred in a brittle manner, while in thermoplastic matrices a semiductile erosion was dominant. Rajesh et al [21] studied erosive wear of five different polyamides and observed that all polyamides showed maximum erosion wear at 30° impingement angle indicating a ductile failure behavior. Tilly and Sage [22] have investigated the influence of velocity, impingement angle, eroding particle size and weight on the erosion wear of nylon, carbon fiber reinforced nylon, and epoxy resin, polypropylene and glass fiber reinforced plastics.…”

Section: Introductionmentioning

confidence: 99%

Study of the strength and erosive behavior of CaCO3/glass fiber reinforced polyester composite

Yılmaz¹,

Ünal²,

Mimaroğlu³

2008

Express Polym. Lett.

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Abstract. In this study, the strength and erosive characteristics of CaCO3 filled unsaturated polyester/glass fiber (UPR/GFR) composite are evaluated. Samples of UPR with 40, 50 and 60 wt% content of CaCO3 and different CaCO3 particle sizes of 1, 2, 3, 5 and 10 micron were prepared and tested under tensile loading, indentation and erosion conditions. The tensile strength, hardness and erosion wear rate of unsaturated polyester/glass fiber (UPR composite)/CaCO3 composite were obtained and evaluated. The results showed that the higher is the percentage of CaCO3 in the composite and the smaller is the CaCO3 particle size, the higher is the strength and the erosive resistance of the glass fiber reinforced/unsaturated polyester composite (UPR-GFR). Furthermore, the highest erosion wear rate is at 90° impingement angle. Finally the results show that the erosive wear of CaCO3 content UPR/GFR composite in a brittle manner.

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Erosive wear behavior of various polyamides

Cited by 81 publications

References 25 publications

Damage Assessment of Short Glass Fiber Reinforced Polyester Composites: A Comparative Study

Damage Assessment of Short Glass Fiber Reinforced Polyester Composites: A Comparative Study

Structural and mechanical properties of needle‐punched nonwoven reinforced composites in erosive environment

Study of the strength and erosive behavior of CaCO3/glass fiber reinforced polyester composite

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