Examining the Abrasion Behaviour of PA 66 Gears in Different Cycles

Yakut, Rifat; Düzcükoğlu, Hayrettin

doi:10.1155/2014/721731

Cited by 7 publications

(3 citation statements)

References 8 publications

(8 reference statements)

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“…Therefore, PC/ABS blends are one of the most widely used thermoplastics for automotive, electronic and telecommunication applications. Yakut et al [6] reported that PC/ABS blends could be widely used as gear materials in an open and high moisture environment, since the PC/ ABS materials were durable against flame, air, ultraviolet light, and holding low moisture. Although the mechanical properties of PC/ABS blends, such as tensile strength, fracture toughness etc.…”

Section: Introductionmentioning

confidence: 99%

Thermal, mechanical and tribological properties of polycarbonate/acrylonitrile-butadiene-styrene blends

Khun

Liu

2013

Journal of Polymer Engineering

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Polycarbonate (PC) and acrylonitrile-butadienestyrene (ABS) were blended by varying ABS content. The thermal, mechanical and tribological properties of the PC/ ABS blends were systematically characterized. Increasing ABS content in the PC/ABS blends decreased thermal stability of the blends, as a result of the lower thermal stability of the ABS than that of the PC. Although the tensile strength of the PC/ABS blends apparently decreased with increased ABS content, the PC/ABS blend with 10 wt% of ABS had the highest tensile strength, because of improved processability of the blend. The friction and wear of the ABS measured against a steel ball of 6 mm in diameter were higher than those of the PC. As a result, a higher ABS content in the PC/ABS blends resulted in higher friction and wear of the blends. The scratch results showed that scratching with a 5 mm steel ball generated a scratch with a shorter length and lower depth on the PC than on the ABS, which indicated better scratch resistance of the PC. Therefore, the PC/ABS blend with 50 wt% of PC had better scratch resistance than the ABS, due to the influence of the PC embedded in the blend.

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Section: Introductionmentioning

confidence: 99%

Thermal, mechanical and tribological properties of polycarbonate/acrylonitrile-butadiene-styrene blends

Khun

Liu

2013

Journal of Polymer Engineering

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“…Yakut [1] design gear fatigue test for PA 66 with fiber glass plastic material. To acquire ideal working conditions with plastic-type gears, tooth load and cycle period must be selected appropriately.…”

Section: Introductionmentioning

confidence: 99%

Research on Fatigue Fracture Characterization of PC/ABS Blend

Ho¹,

Wang²,

Ye³

et al. 2015

Proceedings of the 5th International Conference on Advanced Design and Manufacturing Engineering

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PC/ABS blend is widely used in the vehicle interior, electronic parts and accessories. In this dissertation, fracture crack properties of PC/ABS blend was studied. The specimens were prepared under various injections molding conditions, such as filling time, melting temperature and mold temperature. The fracture mechanisms were examined with a scanning electron microscopy. The injection molding condition of filling time 2 seconds, melting temperature 260°C and mold temperature 55°C had the slowest fracture crack propagation speed. The da/dN with ΔK curves were linear regression to find out Paris's equation coefficients. The fracture mechanisms were the crack surface edge fiber pulled off, pushing back and ribbed surface rendering stripes

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“…In addition, permanent viscoelastic/viscoplastic strain accumulation (v) can also occur at higher loads, as identified on steel/PA66 pairs by Sarita et al [5] and on POM/PA66 pairs by Pogac ˇnik et al [7]. At very high loads, polymer gears can additionally experience (vi) fracture at the pitch line (PA66/PA66 gears tested by Mao et al [9]) and melting due to high thermal loads (identified on PA66-GF/PA66-GF pairs analysed by Yakut et al [10] and on a steel/PEEK pair by Lu et al [11]). A concise overview of the expected failure modes of polymer gears and a comprehensive design method for optimizing these components was presented by Tavc ˇar et al [12].…”

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confidence: 96%