Influence of laser parameters in surface texturing of polyphenylene sulfide composites

Canel, Timur; Kayahan, Ersin; Candan, Levent; Fi̇dan, Sinan; Sınmazçelik, Tamer

doi:10.1002/app.47976

Cited by 5 publications

(2 citation statements)

References 26 publications

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“…The formation of cavities on the surface of an anisotropic polymer composite material was examined in our previous work. 32 The other problems in laser processing of composites are being able to create the geometry of the void in desired dimensions and keeping the heat affected area within the desired limits. Obtaining a cavity with desired geometry and dimensions in a continuous fiberreinforced polymer composite is quite difficult due to its anisotropic structure such as matrix with low heat conduction coefficient and fibers with a high coefficient.…”

Section: Introductionmentioning

confidence: 99%

Laser process parameter optimization of dimple created on oriented carbon fiber reinforced epoxy composites

Canel

Kayahan

Fi̇dan

et al. 2021

Journal of Composite Materials

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It was mainly aimed at the study to make the optimization of laser parameters to obtain dimples with the desired shape and size. Carbon Fiber EPOXY composite (CF-EPOXY) surfaces were ablated by Nd:YAG laser which has a 1064 nm wavelength. Some important laser process parameters such as focus position, pulse energy, duration and number were optimized to achieve maximum aspect ratio, circular shape and minimum thermal defect. In addition, it has been determined that which laser parameters are more effective to obtain the desired quality surface. These different shapes and geometry of dimples could be used to improve some properties such as wettability, friction, etc. The pulse energy with an effective rate of 55.97 % is the most effective parameter to achieve the larger aspect ratio. The focus position is the most effective parameter with the rates of 66.18 % and 47.94 % to obtain both perfect circularity and minimum thermal defects respectively. Confirmation experiments were performed and the highest aspect ratio was found as 1.14, the best circular dimple and the minimum thermal effects outside the spot area were found with the rates of 1.021. These are the optimum results of 9 experiment sets in this study for each output. The results were supported by confirmation experiments and regression analysis. It can be concluded that the Taguchi method is reliable and saves time and materials.

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Section: Introductionmentioning

confidence: 99%

Laser process parameter optimization of dimple created on oriented carbon fiber reinforced epoxy composites

Canel

Kayahan

Fi̇dan

et al. 2021

Journal of Composite Materials

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show abstract

“…The targeted numerical and undesired results are represented as a signal and noise respectively. It has been proven to be reliable and reduces the experimental costs in many optimizations made with Taguchi method [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Laser parameter optimization for surface texturing of inconel 625

Fi̇dan

Canel

Sınmazçelik

2021

Materialwissenschaft Werkst

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The optimum laser parameters required for the inconel 625 alloy surfaces to have the desired properties have been determined. Process parameters were optimized to get maximum heat affected zone depth (HAZ) and width and maximum aspect ratio and minimum defect outside of the spot area independently of each other. Also, the effect rates of the examined process parameters on the treated surface quality were determined separately for each surface feature. As a result of optimization using Taguchi method, the most effective parameters to obtain the desired surface were obtained as gas type with 72.26 % for heat affected zone depth, gas type with 90.46 % for heat affected zone width, gas type with 81.57 % for aspect ratio, pulse energy with 30.99 % for minimum defect outside of the spot area. The best results were obtained on the surfaces obtained as a result of the confirmation experiment with the new parameters obtained with the Taguchi method. Since the results of the confirmation experiments are highly compatible with the results suggested by the Taguchi method, the Taguchi method may be concluded as reliable in the laser ablation of the inconel 625 surface.

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Flame retardancy, thermal, and mechanical properties of flame retardant PA6/SGF and PPS/PA6/SGF composites

Yu,

Ye,

Zhang

et al. 2024

J of Applied Polymer Sci

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Flame retardant polyamide 6/short glass fiber (FR PA6/SGF) and polyphenylene sulfide/PA6/SGF (FR PPS/PA6/SGF) composites were prepared by melt extrusion blending using aluminum diethylphosphinate (ADPP) as flame retardant. The thermogravimetric analysis (TGA) indicated that the flame retardant composites showed good thermal degradation with increasing ADPP loading. Flame retardancy mechanisms were studied by analyzing the residue chars. ADPP provided better flame inhibition, promoted formation of carbonaceous char, and improved thermal stability of PA6/SGF. Meanwhile, due to the self‐extinguishing performance of PPS, the flame retardancy of PPS/PA6/SGF was greatly affected by only 3.0 wt% of ADPP. With increasing ADPP content, both storage and loss moduli of FR PA6/SGF and FR PPS/PA6/SGF were increased accompanied with a slight increase of tan δ peak as compared to PA6/SGF and PPS/PA6/SGF, respectively. Besides, notched impact strengths of FR PA6/SGF‐10.0 and FR PPS/PA6/SGF‐10.0 increased by 69% and 5%, while tensile strengths decreased by approximately 5% and 32%, as compared to PA6/SGF and PPS/PA6/SGF, respectively. It demonstrates that ADPP and PPS components are efficient inorganic–organic hybrid flame retardant system. This provides a novel and innovative method for preparing halogen‐free flame retardant reinforced polyamide composites.

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Influence of laser parameters in surface texturing of polyphenylene sulfide composites

Cited by 5 publications

References 26 publications

Laser process parameter optimization of dimple created on oriented carbon fiber reinforced epoxy composites

Laser process parameter optimization of dimple created on oriented carbon fiber reinforced epoxy composites

Laser parameter optimization for surface texturing of inconel 625

Flame retardancy, thermal, and mechanical properties of flame retardant PA6/SGF and PPS/PA6/SGF composites

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