Relevant bibliographies by topics / Material roughness

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Material roughness'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Material roughness"

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Fischer, H., M. Schäfer, and R. Marx. "Effect of Surface Roughness on Flexural Strength of Veneer Ceramics." Journal of Dental Research 82, no. 12 (2003): 972–75. http://dx.doi.org/10.1177/154405910308201207.

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The strength of ceramic restorations depends on the occlusal surface roughness of the veneering porcelain, which is influenced by the final preparation. The hypothesis of the study was that roughnesses below a critical microscopic defect size—based only on fracture mechanics considerations—also affect flexural strength. The bending failure stress was evaluated on standard specimens of 4 veneer ceramics with 4 different surfaces of defined roughnesses, respectively. A linear correlation was found between roughness and failure stress. A "roughness-free" failure stress value was predicted for eac
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Liu, Jun, Xiao Xu Cai, Jun Yu Dong, and Xiao Qian Ning. "Perceived Roughness of Material Surfaces." Applied Mechanics and Materials 624 (August 2014): 62–66. http://dx.doi.org/10.4028/www.scientific.net/amm.624.62.

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Roughness is an important perceptual characteristic of material surfaces. This work investigated a derived model for evaluating surface roughness in accordance with human visual perception. This was accomplished with the help of extensive psychophysical experiments. Surface textures resembling natural materials were generated with different roughness. Subjects rated the surface textures on 5-point Likert scales based on visual perception of surface roughness. We trained a general model for mapping features of surface images to perceptual scales of roughness. It can be observed that the roughne
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Šimunović, Luka, Tadeja Blagec, and Senka Meštrović. "The Influence of Different Cleaning Protocols on the Surface Roughness of Orthodontic Retainers." Applied Sciences 13, no. 3 (2023): 1319. http://dx.doi.org/10.3390/app13031319.

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Thermoplastic materials are sensitive to humidity, temperature variations, enzyme activities, and cyclic loading. All these factors can cause changes to the mechanical properties of the material. The aim of this study was to determine the influence of different cleaning protocols on the surface roughness of orthodontic retainers. Samples of two brands of polyethylene terephthalate glycol (PET-G) material were exposed to four cleaning protocols: Corega (alkaline peroxide tablets), Toothbrush, Corega + toothbrush, Toothbrush + toothpaste, and Control. Measurement of the surface roughness of the
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Zhang, Su, An Zhong Liu, and Jian Hua Cui. "Relationships between Tensile Mechanical Properties and Roughness of Tensile Fracture About 16MnR Steel after High Temperature." Applied Mechanics and Materials 37-38 (November 2010): 934–38. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.934.

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The microstructure of metal material would vary with temperature, the roughness of the metal fracture would change. The mechanical properties of materials closely related to roughness of fracture. In this paper, after high temperature the tensile fracture roughness and tensile mechanical properties were analyzed for 16MnR steel. Further, relationships between roughness of tensile fracture and temperature, relationships between roughness of tensile fracture and grain size of material were also discussed.
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Indrawan, Eko, Yufrizal A, Rifelino Rifelino, and Rahmad Fajri Ula Agus Herianto. "Surface Quality Comparison of Down and Up cut Technique on CNC Milling Machine toward ST-37 Steel Material." MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 2, no. 1 (2020): 11–20. http://dx.doi.org/10.46574/motivection.v2i1.65.

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The purpose of this research is comparing down and up cut technique on milling process toward ST-37 steel material by using HSS Ø12 mm end mill cutter. The surface roughness result of down cut technique is achieved Ra 2.39 μm which is equivalent to N7 roughness level at lowest cutting speed 20 m/mnt. Moreover, the highest roughness Ra 3.61 μm obtained at highest cutting speed 30 m/mnt which is equivalent to N8 roughness level. While, the quality of up cut technique yield the roughnes Ra 3.94 μm, equivalent to N8 roughness level at lowest cutting speed 20 m/minute, whilst, Ra 6.01 μm that equiv
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Zhou, Ying, Yu Feng Liu, Feng Chen, et al. "Absolute Roughness of Trunk Natural Gas Transmission Pipeline with Mechanics Properties and Material Properties." Applied Mechanics and Materials 252 (December 2012): 116–19. http://dx.doi.org/10.4028/www.scientific.net/amm.252.116.

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The absolute roughness of pipeline is of great importance on the process calculation of trunk gas transmission pipelines. The software package Pipeline Studio is used to build the West-to-East Gas Pipeline, the Second West-to-East Gas Pipeline, Shan-Jing Gas Pipeline and the Second Shan-Jing Gas Pipeline simulation models, and the pipe segment between the valve chambers is the minimum element. The pipeline absolute roughnesses are inverse calculated with using the simulation models and 38 groups of realistic operation parameters. The results show there is no significant association between the
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Satyajeet, U. Manugade, M. Ingale Sanjaykumar, V. Patil Pritam, and U. Manugade Vishwajeet. "The Effect of Tool Coating Material and Cutting Parameters on the Surface Quality and Material Removal Rate of EN24 Steel Material for Turning Operation on CNC Machine." Research and Reviews: Journal of Mechanics and Machines 4, no. 3 (2023): 1–9. https://doi.org/10.5281/zenodo.7539879.

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<em>To find the effect of cutting parameters on the surface finish of the EN24 steel by using two different insert materials. The interaction of all three cutting parameters as Speed, Feed and Depth of cut are having a significant influence on surface roughness produced and material removal rate achieved. </em> <em>Optimum these are the Taguchi method tool settings for various cutting tool materials and workpiece materials. The experimental strategy used three factors, three levels, and an L9 orthogonal array. The results show that increasing the cutting speed and decreasing the feed rate resu
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Kuruc, Marcel, Martin Kusý, Vladimír Šimna, and Jozef Peterka. "Influence of Machining Parameters on Surface Topography of Cubic Boron Nitride at Rotary Ultrasonic Machining." Key Engineering Materials 686 (February 2016): 180–85. http://dx.doi.org/10.4028/www.scientific.net/kem.686.180.

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Poly-crystalline cubic boron nitride (PCBN) is one of the hardest known material. Therefore only advanced methods are able to treat such material. Advanced machining methods, proper for machining of hard and brittle materials (such as glass and ceramics) include rotary ultrasonic machining (RUM). This method should achieve high precision and low surface roughness (at least during machining of materials such as ceramics). Achievable roughness is affected by machined material and machining parameters. This contribution investigates influence of machining parameters, such as cutting speed and fee
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Hummudi, Israa M., and Nidhal S. Mansoor. "Determination of Surface Roughness and Accuracy of Alginate Impression Material Disinfected by Immersion." Journal of Baghdad College of Dentistry 34, no. 3 (2022): 50–57. http://dx.doi.org/10.26477/jbcd.v34i3.3234.

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Background: This study was conducted to evaluate the surface roughness and dimensional accuracy of commercially obtainable alginate impression material in terms of imbibition after immersion in two different media. Materials and method: Two disinfecting agents, ethanol 70% and povidone-iodine 4%, were used to access the dimensional accuracy and surface roughness of alginate impression material. Weights of specimen discs of alginate impressions were measured before and immediately after immersion to gain a measure of imbibition. For surface roughness, disinfected specimens rectangle was examine
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Mudjijanto, Mudjijanto, Hendri Destriyanto, Ali Achmadi, and Sarjono Sarjono. "PENGARUH JENIS MEDIA PENDINGIN TERHADAP GETARAN DAN NILAI KEKASARAN PERMUKAAN PADA PEMBUBUTAN MATERIAL BAJA AISI 1045." JURNAL CRANKSHAFT 7, no. 1 (2024): 12–19. http://dx.doi.org/10.24176/crankshaft.v7i1.11776.

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The coolant in the turning process functions to stabilize the temperature in the cutting process in addition to the temperature on the workpiece as well as the temperature on the tool, where an increase in temperature will certainly cause changes in mechanical properties. This research aims to find a correlation between surface roughness and vibration with variations in cooling in the AISI 1045 steel turning process. The research method for the AISI 1045 steel turning process is with a depth of cut 1 mm and a feed rate of 0.21 mm/rev and a rotation of 1,160 rpm, cooling using with variations,
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Dissertations / Theses on the topic "Material roughness"

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Jaturunruangsri, Supaporn. "Evaluation of material surface profiling methods : contact versus non-contact." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/10431.

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Accurate determination of surface texture is essential for the manufacturing of mechanical components within design specifications in engineering and materials science disciplines. It is also required for any subsequent modifications to physical properties and functional aspects of the object. A number of methods are available to characterize any surface through the measurement of roughness parameters that can then be used to describe surface texture. These methods may be divided into those in that direct contact is made with the surface and those where such contact is not required. This repor
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Yeruva, Suresh Babu. "Particle scale modeling of material removal and surface roughness in chemical mechanical polishing." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0012201.

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Lallemant, Lucas. "Numerical homogenization of a rough bi-material interface." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41111.

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The mechanical reliability of electronic components has become harder and harder to predict due to the use of composite materials. One of the key issues is creating an accurate model of the delamination mechanism, which consists in the separation of two different bounded materials. This phenomenon is a very challenging issue that is investigated in the Nano Interface Project (NIP), in which this thesis is involved. The macroscopic adhesion force is governed by several parameters described at different length scales. Among these parameters, the roughness profile of the interface has a pronoun
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Kulkarni, Milind Sudhakar. "Tribochemical investigation of microelectronic materials." Thesis, [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1831.

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Van, der Merwe A., and S. Matope. "Manipulation of Van der Waals' forces by geometrical parameters in micro-material handling." Journal for New Generation Sciences, Vol 8, Issue 3: Central University of Technology, Free State, Bloemfontein, 2010. http://hdl.handle.net/11462/574.

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Published Article<br>This paper explores the manipulation of Van der Waals' forces by geometrical parameters in a micro-material handling system. It was observed that the flat-flat interactive surfaces exerted the highest intensity of Van der Waals' forces followed by cone-flat, cylinder-flat, sphere-flat and sphere-sphere interactive surfaces, respectively. A conical micro-gripper proved to be versatile in manipulating the Van der Waals' forces efficiently in a 'picking up' and 'releasing' mechanism of micro-work parts. It was deduced that the pick-up position should be rough and spherical, a
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Ludovichetti, Francesco Saverio. "CAD/CAM monolithic materials: Wear resistance and abrasiveness, and the effect of grinding and polishing on their roughness and fracture resistance." Doctoral thesis, Araraquara, 2019. http://hdl.handle.net/11577/3396406.

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Orientador: Renata Garcia Fonseca<br>Resumo: Esta tese consiste em dois estudos, ambos investigando materiais monolíticos fresados por tecnologia CAD-CAM. Primeiro estudo. Objetivo. A resistência ao desgaste e abrasividade do Lava Ultimate, Vita Enamic, Vita Suprinity, IPS e.max CAD e Lava Plus, bem como algumas propriedades que podem estar relacionadas, foram analisadas. Métodos. Espécimes desses materiais tiveram sua rugosidade, dureza e coeficiente de atrito avaliados, respectivamente, em microscópio confocal, microdurômetro e tribômetro. O teste de desgaste conhecido como "2-body", no qual
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Ludovichetti, Francesco Saverio. "CAD/CAM monolithic materials : wear resistance and abrasiveness, and the effect of grinding and polishing on their roughness and fracture resistance. /." Araraquara, 2019. http://hdl.handle.net/11449/181449.

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Orientador: Renata Garcia Fonseca<br>Resumo: Esta tese consiste em dois estudos, ambos investigando materiais monolíticos fresados por tecnologia CAD-CAM. Primeiro estudo. Objetivo. A resistência ao desgaste e abrasividade do Lava Ultimate, Vita Enamic, Vita Suprinity, IPS e.max CAD e Lava Plus, bem como algumas propriedades que podem estar relacionadas, foram analisadas. Métodos. Espécimes desses materiais tiveram sua rugosidade, dureza e coeficiente de atrito avaliados, respectivamente, em microscópio confocal, microdurômetro e tribômetro. O teste de desgaste conhecido como "2-body", no qual
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Ludovichetti, Francesco Saverio. "CAD/CAM monolithic materials: wear resistance and abrasiveness, and the effect of grinding and polishing on their roughness and fracture resistance." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3424969.

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This thesis consists of two studies, both investigating the computer-aided design and computer-aided manufacturing (CAD-CAM) monolithic materials. First study. Aim. The wear resistance and abrasiveness of Lava Ultimate, Vita Enamic, Vita Suprinity, IPS e.max CAD, and Lava Plus, as well as some properties that might be related to, were analyzed. Methods. Specimens from these materials had their roughness, hardness, and coefficient of friction evaluated, respectively in confocal microscope, microdurometer, and tribometer. The 2-body wear test, wherein the materials acted as abraders and, toget
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Strand, Emil, and Alexander Wärnheim. "A study of micro- and surface structures of additive manufactured selective laser melted nickel based superalloys." Thesis, KTH, Materialvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-188154.

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This study examined the micro- and surface structures of objects manufactured by selective laser melting (SLM). The results show that the surface roughness in additively manufactured objects is strongly dependent on the geometry of the built part whereas the microstructure is largely unaffected. As additive manufacturing techniques improve, the application range increases and new parameters become the limiting factor in high performance applications. Among the most demanding applications are turbine components in the aerospace and energy industries. These components are subjected to high mecha
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Fukasaku, Kotaro. "Explorative study for stochastic failure analysis of a roughened bi-material interface: implementation of the size sensitivity based perturbation method." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41114.

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In our age in which the use of electronic devices is expanding all over the world, their reliability and miniaturization have become very crucial. The thesis is based on the study of one of the most frequent failure mechanisms in semiconductor packages, the delamination of interface or the separation of two bonded materials, in order to improve their adhesion and a fortiori the reliability of microelectronic devices. It focuses on the metal (-oxide) / polymer interfaces because they cover 95% of all existing interfaces. Since several years, research activities at mesoscopic scale (1-10µm) have
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Books on the topic "Material roughness"

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Center, Lewis Research, ed. Effect of counterface material type and its topography on the tribological properties of polyimide composites. National Aeronautics and Space Administration, Lewis Research Center, 1985.

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Bentley, Joyce. Smooth. Chrysalis Education, 2005.

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Dawson, Emily C. Rough and smooth. Amicus, 2012.

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Bentley, Joyce. Rough. Chrysalis Education, 2006.

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Dawson, Emily C. Rough and smooth. Amicus, 2012.

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Guillain, Charlotte. Shiny or dull. Heinemann Library, 2008.

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Guillain, Charlotte. Brillante u opaco. Heinemann Library, 2011.

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Chepurina, Ekaterina, Konstantin Krasnyaschih, Dmitriy Rybalkin, and Dar'ya Kushnareva. Descriptive geometry and engineering graphics. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1872627.

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The textbook contains the basic materials of descriptive geometry and engineering graphics. The following sections are presented: types of projection, orthogonal systems of two and three projection planes and methods of specifying geometric objects on them, methods of projection transformation, surfaces, positional and metric tasks, surface scans, geometric and projection drawing, construction of detachable joints, surface roughness, execution of sketches of parts and working drawings, general drawing.&#x0D; Meets the requirements of the federal state educational standards of higher education
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Laufenberg, Theodore. Improving engineered wood fiber surfaces for accessible playgrounds. U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 2003.

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Laufenberg, Theodore. Improving engineered wood fiber surfaces for accessible playgrounds. U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 2003.

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Book chapters on the topic "Material roughness"

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Yan, Tingxu, Huiping Zhu, Xudong Liu, et al. "Wetting Behavior of LBE on 316L and T91 Surfaces with Different Roughness." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_41.

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AbstractIn this paper, two typical candidate structural materials of 316L and T91 with different surface roughnesses were studied at temperatures from 200–500 ℃. The surface with different roughness was prepared by mechanical polishing on the sandpapers with particle sizes from 400 to 2000 mesh. The wetting test was carried out in a smart contact angle measuring device by using the sessile-drop method. Meanwhile, the microstructure of the liquid-solid surface was analyzed by scanning electron microscope (SEM). The results show that the surfaces of both materials are non-wetting to LBE in the t
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Bilgen, Mehmet, James H. Rose, and Peter B. Nagy. "Ultrasonic Inspection, Material Noise and Surface Roughness." In Review of Progress in Quantitative Nondestructive Evaluation. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2848-7_227.

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López, Isabel, Antonio J. Tenza-Abril, Luis Aragonés, and José Ignacio Pagán. "Evolution of the surface roughness of a coarse sand after a beach nourishment." In Ninth International Symposium “Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques”. Firenze University Press, 2022. http://dx.doi.org/10.36253/979-12-215-0030-1.04.

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Research on the evolution of the surface roughness of coarse sand particles that were dumped in January 2020 at Los Locos beach in Torrevieja (Alicante, Spain) is conducted. This sample came from a quarry and presented a high angularity and roughness on the surface of its particles. After a year and a half of dumping the quarry material on the beach, a high degree of decrease in the roughness of the particles is observed; however, to reach the degree of polishing that the particles of a natural beach have, a longer period is necessary.
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Yuan, Xing, Yuqi Fan, Tao Ma, Shuting Wang, Xinyong Mao, and Lei Zhang. "Machining Efficiency Optimization in Flank Milling of Curved Thin-walled Workpieces with Target Machining Accuracy." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_32.

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Abstract Curved aluminium alloy thin-walled workpieces are an integral part of essential components in aerospace. Aggressive machining parameters can reduce the machined surface roughness and dimensional accuracy during flank milling for the thin-walled workpiece. However, conservative machining parameters can constrain the machining efficiency. To solve this issue, this article develops a machining parameter optimization method for curved thin-walled workpieces during flank milling. The method comprehensively considers the impact of time-varying deflection and material removal of curved thin-
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Díaz-Plaza De Los Reyes, Nicolás, Ricardo Alzugaray-Franz, Erardo Leal-Muñoz, Iván La Fé-Perdomo, Jorge Ramos-Grez, and Eduardo Diez-Cifuentes. "Influence of Material Properties in Milling Forces of AISI 316L Obtained by L-PBF." In Proceedings of the XV Ibero-American Congress of Mechanical Engineering. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-38563-6_46.

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AbstractTechnologies associated with additive manufacturing enabled the realization of several new products, providing high flexibility to the processes and high material usage efficiency. Furthermore, additively manufactured metals exhibit differences in surface topography and mechanical properties, primarily due to changes in the printing strategies and production parameters. Nowadays, postprocessing techniques are necessary to produce a quality printed metal product, due to the high initial surface roughness that every additive specimen presents. In this study, milling tests of additively m
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Lam, Thanh Danh, Truong Giang Nguyen, Tuan Kiet Le, Huu Anh Le, Quoc Duy Bui, and Duc Nam Nguyen. "Experimental Study of Material Removal and Surface Roughness Characteristics in Magnetorheological Polishing." In Mechanisms and Machine Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-83357-1_21.

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Edachery, Vimal, Sindhu Ravi, Aliya F. Badiuddin, Abel Tomy, P. S. Suvin, and Satish V. Kailas. "Effect of Surface Topography and Roughness on the Wetting Characteristics of an Indigenously Developed Green Cutting Fluid (GCF)." In Sustainable Material, Design, and Process. CRC Press, 2023. http://dx.doi.org/10.1201/9781003242291-9.

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Meenu and Surinder Kumar. "Experimental Investigation of Surface Roughness for Turning of UD-GFRP Composite Using PSO, GSA, and PSOGSA Techniques." In Evolutionary Optimization of Material Removal Processes. CRC Press, 2022. http://dx.doi.org/10.1201/9781003258421-2.

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Kumar, Dhiraj, Sadananda Chakraborty, Anand Ranjan, and Dipankar Bose. "Experimental Study on Improving Material Removal Rate and Surface Roughness in Wire-Cut EDM of Low Conductive Material." In Lecture Notes on Multidisciplinary Industrial Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9471-4_10.

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Zhang, Shengfang, Qiang Duan, Zhiyi Leng, Jian Yin, Ziguang Wang, and Yu Liu. "Simulation and Experimental Study of Single Abrasive Grain Grinding of Carbon Steel." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_122.

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Abstract Carbon steel is a commonly used metal material in machining, which has high surface quality requirements during its usage. The randomness of the shape, size and distribution of abrasive grains on the surface grinding wheel makes the analysis of the grinding process complex. To analyze the grinding process of abrasive grains effectively, a single abrasive grain force-heat coupling model is built using ABAQUS finite element calculation software. The built simulation model is uesd to analyze the influence of grinding temperature and residual stress depth under different processing condit
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Conference papers on the topic "Material roughness"

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Kenath, Gopal Sankar, Martin Burkhardt, Rajiv Sejpal, Yasiel Cabrera, Stuart Sieg, and Indira Seshadri. "Evaluating novel material stacks towards gate width roughness reduction." In Optical and EUV Nanolithography XXXVIII, edited by Martin Burkhardt and Claire van Lare. SPIE, 2025. https://doi.org/10.1117/12.3051564.

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Murakami, Kouji, and Taishi Sakamoto. "System for Measuring Material Properties and Surface Roughness of Objects from Microscopic Images." In 2024 IEEE SENSORS. IEEE, 2024. https://doi.org/10.1109/sensors60989.2024.10784849.

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Yin, Xincheng, Haiwang Liu, Yuhang Zhou, Youliang Wang, and Shujuan Li. "Prediction model of material removal rate and surface roughness for silicon single crystal EDM." In 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), edited by Yunhui Liu and Zili Li. SPIE, 2024. http://dx.doi.org/10.1117/12.3046639.

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Elson, J. Merle, Jean M. Bennett, and John C. Stover. "Wavelength and Angular Dependence of Light Scattering From Beryllium: Comparison of Theory and Experiment." In Surface Roughness and Scattering. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/surs.1992.stua4.

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Beryllium optical components have been shown to have scattering characteristics considerably different from other metals such as aluminum or silver. The wavelength and angular dependence of light scattered from a beryllium surface partially overcoated with aluminum have been studied both theoretically and experimentally. The aluminum overcoating preserves the topography of the beryllium but provides different optical constants. By measuring scattering on both halves of the sample, the effects of topographic roughness and optical constants can be separated. Topographic roughness has been measur
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DAMM, P. "Analysis of the influence of the initial surface integrity on the result of burnished high torque splined shafts." In Material Forming. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903131-212.

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Abstract. The increasing demand for low surface roughness and long service life in highly loaded components, such as extruder shafts, requires high strength, functional reliability and long-term durability. Extruder shafts are applied in plastics technology and in the food industry for processing plastic melts, mixing and compounding. Screw and kneading elements are required for this purpose. The screw and kneading elements are pushed form-fittingly onto a splined shaft. The torque is transmitted by the splined shaft. [1] Main causes of wear and damage of extruder shafts are corrosion and mech
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Ng, G., and W. North. "Material Dependency on Optical Surface Roughness Measurements." In Passenger Car Meeting & Exposition. SAE International, 1987. http://dx.doi.org/10.4271/871946.

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Roberts, Jeanette M., Robert Meagley, Theodore H. Fedynyshyn, et al. "Contributions to innate material roughness in resist." In SPIE 31st International Symposium on Advanced Lithography, edited by Qinghuang Lin. SPIE, 2006. http://dx.doi.org/10.1117/12.655740.

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VENEMA, J. "Surface topography effects on galling of hot dip galvanized sheet metal." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-97.

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Abstract. During manufacturing of automotive parts from hot dip galvanized sheet metal, surface asperities of the forming tools can cause breakage of small coating particles. Long and narrow scratches appear on the surface of the form part, a phenomenon known as part surface galling. Laboratory testing using a slider on sheet tests (SOST) are performed in order to investigate surface topography effects on galling. These experiments reveal the dominant effect of tool surface roughness on galling. The tool surface roughness has a large effect on the size of the detached coating particles and the
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Fedynyshyn, T. H., R. F. Sinta, D. K. Astolfi, A. Cabral, J. Roberts, and R. Meagley. "Deconstructing the resist to probe innate material roughness." In SPIE 31st International Symposium on Advanced Lithography, edited by Qinghuang Lin. SPIE, 2006. http://dx.doi.org/10.1117/12.654437.

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Fedynyshyn, Theodore H., David K. Astolfi, Alberto Cabral, Susan Cann, Indira Pottebaum, and Jeanette M. Roberts. "PAG segregation during exposure affecting innate material roughness." In SPIE Advanced Lithography, edited by Clifford L. Henderson. SPIE, 2009. http://dx.doi.org/10.1117/12.814811.

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Reports on the topic "Material roughness"

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Wibowo, J., B. Amadei, and S. Sture. Effect of roughness and material strength on the mechanical properties of fracture replicas. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/95493.

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Chopra, O. K., and W. J. Shack. Review of the margins for ASME code fatigue design curve - effects of surface roughness and material variability. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/925073.

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Hawley. L52363 Ultrasonic Meter Accuracy Shifts Resulting From Grime on the Meter Body and Acoustic Transducers. Pipeline Research Council International, Inc. (PRCI), 2012. http://dx.doi.org/10.55274/r0010021.

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Similar to most metering technologies, ultrasonic meters are known to be affected by the buildup of material on the inside of the meter and surrounding pipe due to common pipe contaminants. The buildup affects the metering accuracy by reducing the flow area and causing an increase in the gas velocity through the meter, by changing the shape of the velocity profile through the creation of additional roughness elements on the pipe wall, and by altering the ability of the ultrasonic signal to transmit between the transducers. A need existed to investigate accuracy shifts resulting from the grime
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Tan, Peng, and Nicholas Sitar. Parallel Level-Set DEM (LS-DEM) Development and Application to the Study of Deformation and Flow of Granular Media. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2023. http://dx.doi.org/10.55461/kmiz5819.

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We present a systematic investigation of computational approaches to the modeling of granular materials. Granular materials are ubiquitous in everyday life and in a variety of engineering and industrial applications. Despite the apparent simplicity of the laws governing particle-scale interactions, predicting the continuum mechanical response of granular materials still poses extraordinary challenges. This is largely due to the complex history dependence resulting from continuous rearrangement of the microstructure of granular material, as well as the mechanical interlocking due to grain morph
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Grimley. PR-015-08606-R01 Assessment of Dirty Meter Performance. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010977.

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Like most metering technologies, ultrasonic meters are known to be affected by the buildup of material inside the meter and surrounding pipe due to common pipeline contaminants. The buildup affects the metering accuracy by reducing the flow area sampled by the ultrasonic transducers and by changing the shape of the velocity profile through the creation of additional roughness elements on the pipe wall. The goal of this project was to relate the contamination level to the measurement error. The approach was to evaluate the flow measurement performance of two commercially-available ultrasonic fl
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Fuchs, Marcel, Jerry Hatfield, Amos Hadas, and Rami Keren. Reducing Evaporation from Cultivated Soils by Mulching with Crop Residues and Stabilized Soil Aggregates. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568086.bard.

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Field and laboratory studies of insulating properties of mulches show that the changes they produce on the heat balance and the evaporation depend not only on the intrinsic characteristics of the material but also on the structure of air flow in boundary layer. Field measurements of the radiation balance of corn residue showed a decrease of reflectivity from 0.2 to 0.17 from fall to spring. The aerodynamic properties of the atmospheric surface layer were turbulent, with typical roughness length of 12 to 24 mm. Evaporation from corn residue covered soils in climate chambers simulating the diurn
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Al-Qadi, Imad, Jaime Hernandez, Angeli Jayme, et al. The Impact of Wide-Base Tires on Pavement—A National Study. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-035.

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Researchers have been studying wide-base tires for over two decades, but no evidence has been provided regarding the net benefit of this tire technology. In this study, a comprehensive approach is used to compare new-generation wide-base tires (NG-WBT) with the dual-tire assembly (DTA). Numerical modeling, prediction methods, experimental measurements, and environmental impact assessment were combined to provide recommendations about the use of NG-WBT. A finite element approach, considering variables usually omitted in the conventional analysis of flexible pavement was utilized for modeling. F
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Lei, Jiangtao, Marcos Arroyo, Matteo Ciantia, and Ningning Zhang. Grain roughness effect on the critical state line of crushable sands. University of Dundee, 2021. http://dx.doi.org/10.20933/100001234.

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A recently proposed DEM model for materials with rough crushable grains (Zhang et al. 2021; Ciantia et al. 2015; Otsubo et al. 2017) is here employed to examine the effect of contact roughness on the critical state line, a property of granular materials which is a) fundamental for the evaluation of liquefaction risk and liquefied responses and b) easily accessible through DEM simulation (Ciantia et al. 2019).
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Rushing, Jami, Andrew Ward, and Jeb Tingle. Repair quality assessment : Spiral 4. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48799.

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The Expedient and Expeditionary Airfield Damage Repair (E-ADR), Joint Capability Technology Demonstration (JCTD) program developed, demonstrated, and transitioned a repeatable capability for rapidly repairing bomb-damaged craters at adaptive base locations using logistically friendly technologies, indigenous materials, and less manpower than traditional crater repair methods. Within the E-ADR JCTD program, quality assessment took a major role to ensure quality repairs were performed while meeting the requirements of “just enough, just in time.” Repair criteria for backfill compaction and surfa
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Jo, Hyungyung, Hyeyoung Son, Mitchell Rencheck, et al. Mechanical Properties of Durable Pavement Marking Materials and Adhesion on Asphalt Surfaces. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317357.

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Mechanical properties of commercially available temporary pavement marking (TPM) tapes and thermoplastic materials used as permanent pavement markings (PPM) were investigated using the non-destructive Tape Drape Test and conventional mechanical testing. The impact of temperature and aging on the adhesion of TPM tapes and thermoplastic PPM applied to asphalt core surfaces with various surface roughness and treatments was determined using a modular peel fixture and shear adhesion tests. The adhesion of TPM tapes to model smooth surfaces decreased as surface temperature was increased from 0 to 40
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