Relevant bibliographies by topics / PPS roughness

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'PPS roughness'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "PPS roughness"

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Guo, Li, Huan Qin Zhu, and Yuan Bao Sun. "Friction and Wear Studies on Polyphenylene Sulfide Filled with a Complex Mixture." Applied Mechanics and Materials 184-185 (June 2012): 1400–1403. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.1400.

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The tribological behavior of PPS filled with molybdenum-concentrate (MC) deposit from Armenia was studied. The deposit MC was a complex mixture of compounds such as MoS2, SO2, CuS, Al2O3, and others. Whereas MC as the filler in particulate form reduced the steady state wear rate of PPS, the optimum reduction in wear was found to occur with the addition of PTFE along with PPS. The behavior of PPS composites made with MC and PTFE sliding against a steel counterface was investigated as a function of the MC and PTFE proportions, sliding speed, and counterface roughness. Of all the above factors, t
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Najim, A. Saad, and A. Kadhum Ola. "Enhancement of Tribological and Mechanical Behavior of Polyphenylene Sulfide Reinforced by Titanium Dioxide Nanoparticles." Key Engineering Materials 724 (December 2016): 20–27. http://dx.doi.org/10.4028/www.scientific.net/kem.724.20.

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In present work, the influences of TiO2 nanoparticles addition on the tribological and mechanical behavior of polyphenylene sulfide (PPS) were investigated. The composites samples containing TiO2 nanoparticles at various percentages (0, 1, 3, and 6 wt. %) were prepared by melt mixing process using single screw extruder at 325 °C and 20 rpm. A pin-on-disc sliding test machine was used for measurement of wear volume and the friction coefficient. The counterface was made of steel carbide with roughness 0.1 μm Ra. The tests were run at a sliding speed of 0.4 m/s and 1 m/s, the contact pressure 0.6
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Xu, Zhenyu, and Ning Li. "Effects of surface microstructure and molding parameters on injection bonding strength of polyphenylenesulphide-aluminum alloy." Materials Express 10, no. 5 (2020): 640–47. http://dx.doi.org/10.1166/mex.2020.1688.

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The direct injection molding process of PPS-aluminum alloy composite parts under vacuum condition was conducted and the processing parameters were optimized through the numerical simulation and orthogonal test design. The effect of surface microstructure of the aluminum alloy splines and injection molding processing parameters on the bonding strength of the composite parts were discussed. The results show that the bonding strength of the composite parts increases with not only the increase in the diameter and quantity of the microscopic pores and also the surface roughness of the aluminum allo
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Iwakura, K., Y. D. Wang, and M. Cakmak. "Effect of Biaxial Stretching on Thickness Uniformity and Surface Roughness of PET and PPS Films." International Polymer Processing 7, no. 4 (1992): 327–33. http://dx.doi.org/10.3139/217.920327.

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Kelkar, Kshitija, Meghan E. Gray, Alfonso Aragón-Salamanca, et al. "The time delay between star formation quenching and morphological transformation of galaxies in clusters: a phase–space view of EDisCS." Monthly Notices of the Royal Astronomical Society 486, no. 1 (2019): 868–84. http://dx.doi.org/10.1093/mnras/stz905.

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Abstract We explore the possible effect of cluster environments on the structure and star formation histories of galaxies by analysing the projected phase–space (PPS) of intermediate-redshift clusters (0.4 ≤ z ≤ 0.8). HST I−band imaging data from the ESO Distant Cluster Survey (EDisCS) allow us to measure deviations of the galaxies’ light distributions from symmetric and smooth profiles using two parameters, Ares (‘asymmetry’) and RFF (residual flux fraction or ‘roughness’). Combining these structural parameters with age-sensitive spectral indicators ($H_{\delta \rm {A}}$, $H_{\gamma \rm {A}}$
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Datta, Anurup, Samik Dutta, Surjya K. Pal, Ranjan Sen, and Sudipta Mukhopadhyay. "Texture Analysis of Turned Surface Images Using Grey Level Co-Occurrence Technique." Advanced Materials Research 365 (October 2011): 38–43. http://dx.doi.org/10.4028/www.scientific.net/amr.365.38.

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The main purpose of this work was to study the applicability of an image texture analysis method, namely, the grey level co-occurrence matrix (GLCM) method for the examination of the smoothness of the images of a turned surface. The effect of the variation of the pixel pair spacing (pps) on the construction of the GLCM was also considered and then, contrast and homogeneity were calculated from the GLCMs which served as texture descriptors for the quality of the machined surface. Finally, the variation of these texture descriptors with cutting time was analyzed and compared with the variation o
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METTÄNEN, MARJA, and ULRICH HIRN. "A comparison of five optical surface topography measurement methods." January 2015 14, no. 1 (2015): 27–38. http://dx.doi.org/10.32964/10.32964/tj14.1.27.

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The results of optical surface topography measurement techniques have been questioned in the past because of possible measurement artifacts due to light penetration into the paper. We compared the topography measurement results from five optical techniques: laser profilometry, shape-from-focus, stripe projection, chromatic sensing, and photometric stereo. These techniques were tested on coated and uncoated papers with a PPS roughness range from 0.7 μm to 7.7 μm. We made the measurement results directly comparable by measuring exactly the same regions on the paper samples and registering the re
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Santos, Alberto Lima, Edson Cocchieri Botelho, Konstantin Georgiev Kostov, Mario Ueda, and Leide Lili G. da Silva. "Carbon Fiber Surface Modification by Plasma Treatment for Interface Adhesion Improvements of Aerospace Composites." Advanced Materials Research 1135 (January 2016): 75–87. http://dx.doi.org/10.4028/www.scientific.net/amr.1135.75.

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This paper is focused on the processing of thermoplastic composite materials obtained from carbon fibers (CFs) treated by plasma assisted techniques. The treatments employed in this work were the Dielectric Barrier Discharge (DBD), which is done at atmospheric pressure, involving lower energies and the Plasma Immersion Ion Implantation (PIII), which is performed at low pressure, involving higher energies. After the treatments, samples characterizations were performed to determine which treatment is most effective to get better physico-chemical CF surface properties. The techniques employed in
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Hata, Tomonobu, Tsuguyasu Hatsuda, Makoto Kawakami, and Yasushi Sato. "Observation of Surface Roughness by PAS using Transparent Transducer and Photothermal Deflection Sepectroscopy (PDS)." Japanese Journal of Applied Physics 24, S1 (1985): 204. http://dx.doi.org/10.7567/jjaps.24s1.204.

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Obilanade, Didunoluwa, Christo Dordlofva, and Peter Törlind. "SURFACE ROUGHNESS CONSIDERATIONS IN DESIGN FOR ADDITIVE MANUFACTURING - A LITERATURE REVIEW." Proceedings of the Design Society 1 (July 27, 2021): 2841–50. http://dx.doi.org/10.1017/pds.2021.545.

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AbstractOne often-cited benefit of using metal additive manufacturing (AM) is the possibility to design and produce complex geometries that suit the required function and performance of end-use parts. In this context, laser powder bed fusion (LPBF) is one suitable AM process. Due to accessibility issues and cost-reduction potentials, such ‘complex’ LPBF parts should utilise net-shape manufacturing with minimal use of post-process machining. The inherent surface roughness of LPBF could, however, impede part performance, especially from a structural perspective and in particular regarding fatigu
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Dissertations / Theses on the topic "PPS roughness"

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Kuodė, Aura. "Fleksografinių atspaudų mechaninių ir optinių savybių tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140619_092034-53884.

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Baigiamajame magistro darbe tirta popieriaus paviršiaus ir mechaninių savybių kaita spausdinant fleksografiniais dažais ir keičiant dažų sluoksnio storį. Tyrimams buvo pasirinktos šešios kreidinio ir nekreidinio popieriaus rūšys. Buvo tirtos šių mechaninių ir paviršiaus savybių kaita: spalvinės charakteristikos, atsparumas tempimui ir pailgėjimas, atsparumas lankstymui, PPS šiurkštumas, trinties savybės, popieriaus sugertis. Buvo nustatyta, kad fleksografiniai dažai didina popieriaus šiurkštumą, trūkio jėga ir atsparumas lankstymui visada yra didesni išilgine popieriaus kryptimi, atsparumas te
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Bisconsini, Danilo Rinaldi. "Avaliação da irregularidade longitudinal dos pavimentos com dados coletados por smartphones." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18143/tde-18072016-104745/.

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A irregularidade longitudinal dos pavimentos prejudica a qualidade de rolamento, aumenta os Custos Operacionais dos Veículos (COV) e reduz a vida útil do pavimento. Vários instrumentos têm sido desenvolvidos com o propósito de medir a irregularidade longitudinal dos pavimentos, no entanto, existem conflitos que envolvem as diferentes classes de equipamentos, com relação à acurácia, custos e produtividade, o que dificulta a coleta contínua de dados, importante para a alimentação de um Sistema de Gerência de Pavimentos (SGP). Recentemente, algumas pesquisas começaram a relacionar a irregularidad
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Conference papers on the topic "PPS roughness"

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Kolahchi, Ahmad Rezaei, Abdellah Ajji, and Pierre J. Carreau. "Improvement of PET surface hydrophilicity and roughness through blending." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918391.

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Davoudinejad, A., A. Charalambis, D. B. Pedersen, and G. Tosello. "Evaluation of surface roughness and geometrical characteristic of additive manufacturing inserts for precision injection moulding." In PROCEEDINGS OF PPS-33 : The 33rd International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5121698.

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Kumar, Satyam, Gaurav Kumar Ray, Deep Maharjan, Dadapeer Adoni, P. Balachandra Shetty, and Shiv Pratap Singh Yadav. "Implementation of Taguchi method and ANNOVA for optimization of process parameter in improving the surface roughness of the products in injection moulding operation." In PROCEEDINGS OF THE 35TH INTERNATIONAL CONFERENCE OF THE POLYMER PROCESSING SOCIETY (PPS-35). AIP Publishing, 2020. http://dx.doi.org/10.1063/1.5141599.

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Fono-Tamo, R. S., and Jen Tien-Chien. "Effect of Ingredient Particle Sizes on Surface Roughness Characteristics of PKS Brake Lining." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70659.

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Besides pad failure due to thermal damage, brake pads can also experience mechanical damage when they are exposed to a corrosive environment. A typical solid surface like a brake pad has a complex structure and complex properties depending on the nature of the solids, the method of surface preparation, and the interaction between the surface and the environment. The surface roughness of a novel friction linings prepared using varying palm kernel shell (PKS) powder particle sizes (0.300 mm, 0.425 mm and 0.850 mm) as reinforcements were investigated. The investigation was conducted via a profilo
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Mori, Michitsugu, Kenichi Tezuka, and Yasushi Takeda. "Effects of Inner Surface Roughness and Asymmetric Pipe Flow on Accuracy of Profile Factor for Ultrasonic Flow Meter." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89729.

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Flow profile factors (PFs), which adjust measurand to real flow rates, also strongly depend on flow profiles. To determine profile factors for actual power plants, manufactures of flowmeters usually conduct factory calibration tests under ambient flow conditions. Indeed, flow measurements with high accuracy for reactor feedwater require them to conduct calibration tests under real conditions, such as liquid conditions and piping layouts. On the contrary, as nuclear power plants are highly aging, readings of flowmeters for reactor feedwater systems drift due to the changes of flow profiles. The
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Wetz, D., J. Mankowski, and M. Kristiansen. "The Impact of Electrode Area and Surface Roughness on the Pulsed Breakdown Strength Water." In 15th IEEE International Pulsed Power Conference. IEEE, 2005. http://dx.doi.org/10.1109/ppc.2005.300544.

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Yeckel, C., and R. D. Curry. "Effect of electrode surface roughness on the breakdown jitter of a nanoparticle-infused dielectric oil spark gap switch." In 2011 IEEE Pulsed Power Conference (PPC). IEEE, 2011. http://dx.doi.org/10.1109/ppc.2011.6191420.

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Li, Wei. "Experimental Studies of Shell and Tube Condenser Fouling and Accelerated Particulate Fouling in Internal Helical-Rib Roughness Tubes." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47404.

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This paper addresses fouling in a family of seven 15.54 mm I.D. copper, helically ribbed tubes, which have different ridge heights, helix angles, and number of ridge starts. A series of semi-theoretical linear fouling correlations as a function of the product of area indexes and efficiency indexes for long term combined precipitation and particulate fouling (PPF) in cooling tower systems and a series of semi-theoretical linear fouling correlations as a function of the efficiency indexes for particulate fouling were developed. The correlations can be directly used to assess the fouling potentia
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Hata, Koichi, Masahiro Shiotsu, and Nobuaki Noda. "Subcooled Flow Boiling Critical Heat Flux in Short Vertical Tube: Influence of Inner Surface Roughness." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61453.

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The subcooled flow boiling CHF and the heat transfer characteristics for the flow velocities (u=4.0 to 13.3 m/s), the inlet subcoolings (ΔTsub,in=137.49 to 153.87 K), the inlet pressure (Pin=740.67 to 975.78 kPa) and the dissolved oxygen concentration (O=8.63 to 0.0288 ppm) are systematically measured by the experimental water loop installed the pressurizer. The SUS304 tubes of d=3 mm and L=66.5 mm (L/d=22.17) with the inner surfaces of smooth and mirror finished are mainly used in this work. Heat transfer characteristics and CHF data are compared with those for the rough finished inner surfac
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Pérez Acebo, Heriberto, and Hernán Gonzalo-Orden. "IRI performance models for recently constructed low and medium-traffic two lane roads of the province of Biscay." In CIT2016. Congreso de Ingeniería del Transporte. Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/cit2016.2016.4108.

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Reliable pavement prediction models are needed for pavement management systems (PMS), as they are a key component to forecast future conditions of the pavement and to prioritize maintenance, rehabilitation and reconstruction strategies. The International Roughness Index (IRI) is the most used parameter worldwide for calibrating pavement roughness and measures reasonably the ride comfort perceived by occupants of passenger cars. The Regional Government of Biscay also collects this value on the road network under its control These surveys are carried out regularly in the XXI century. Several IRI
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