2 edition of Relationship between microgloss uniformity and surface texture of paper. found in the catalog.
Relationship between microgloss uniformity and surface texture of paper.
Guillaume David Bernard
Written in English
A customized setup was used to measure the microgloss nonuniformity of paper. This setup can characterize gloss uniformity of an area of one square centimetre at a resolution of 16 x 16 mum2. Beckmann"s light scattering model for random rough surfaces was successfully applied to describe the relationship between the surface texture parameters and the microgloss nonuniformity of a large range of coated and uncoated papers. The model, based on the Kirchhoff approximation, suggests that the variation in specular reflectance (gloss) depends only on the RMS roughness, sigma, and on the correlation length, T, of the surface height of the samples. The topography of the paper surfaces was obtained using a WYKO surface profiler. Results indicated that the relationship between the variance of microgloss followed the prediction of the Beckmann"s model well. The variance of microgloss was found to be linearly dependent on a dimensionless parameter Ts for most of the samples studied. However, the dependence of the natural logarithm of the average microgloss on the square of rms roughness was nonlinear differing from the model prediction.
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CHAPTER 1. SOIL PHYSICAL PROPERTIES Contents: • Soil physics • Soil texture • Soil surface area • Soil structure • Volume and mass relationships • Water content measurements • Units SOIL PHYSICS: THE STUDY OF THE STATE AND TRANSPORT OF ALL FORM OF MATTER AND ENERGY IN SOILSFile Size: KB. This paper presents a novel physical–mathematical model to describe the relationship between the crystallographic texture and corrosion behavior of American petroleum institute (API) 5L steels. Symmetric spherical harmonic functions were used to estimate the material’s corrosion resistance from crystallographic texture by: 1.
Stephen Kite explores the relationship between architecture and the graphic arts in the milieus of the Institute of Contemporary Arts and the Independent Group in s Britain, and the evolution of a Kleinian aesthetics of space and surface, as read through an . The presence of irregularities on a surface gives rise to a perception of roughness and the surface pattern or texture can be regarded as the arrangement or distribution of these irregularities . In the literature relating to texture perception, these irregularities are referred to as texture elements and the perception is determined by their size, shape and frequency .
Surface textures of a large collection of photographic papers dating from to the present were measured using a laser scanning confocal microscope (LSCM) with four different objective lenses. Roughness characterization parameters were calculated from the texture measurements and were compared with gloss by: 5. The activities discussed in this report represent the next step in the process of understanding the relationship between the uniformity and surface characteristics of hot-mix asphalt. The study documents the typical "texture profile" for Virginia's most common surface mixes. It revisits the texture-fluctuation provision proposed in the earlier Cited by: 1.
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In order to improve gloss of coated papers, it is necessary to better understand the relationship governing the behaviour of gloss as a function of surface texture attributes of coated paper.  presented the relationship between surface roughness and surface gloss of paper with print uniformity using GLCM.
The above literatures pave a platform for deriving the relationship between surface roughness and surface image texture by: The relationship between microstructure homogeneity and grain orientation uniformity is studied by using texture analysis method.
This paper would provide help for further engineering applications to improve the uniformity of microstructure, properties and grain orientation of titanium alloy components. Experimental procedure MaterialCited by: 6. The surface topography of paper determines its environmental interaction and fundamental properties of tribology, absorption, optics, adhesion, wettability or biocompatibility.
This paper explores the relationship between decay and functionality in terms of parergonal aesthetics by presenting the use of fungi to alter surface texture and color on wooden bowls.
In addition, the bowls' altered but functional state forces the viewer to reconsider modern views on the role of defect-free wood within a functional by: 5. The relation between the surface topography of injection-molded plastic objects with deliberately imposed textures and their gloss, measured by means of a conventional glossmeter at incident angles of 20°, 60°, and 85°, was investigated.
In computer vision, the goal of which is to identify objects and their positions by examining images, one of the key steps is computing the surface normal of the visible surface at each point. A further feature of this group is the presence of abundant calcispheres forming an important part of the texture.
Group 5 specials: shear surface textures in marls (Texture Index range ; average 24): The texture indices are higher on the slickensided surfaces than in the relatively undisturbed, 'fresher' material below the shear surfaces.
Uncoated paper stock is paper that has not been coated with a surface sealant. Inks dry by absorbing into the paper. This paper type can dull the colors that are printed. Uncoated papers comprise a vast number of paper types and are available in a variety of surfaces, both smooth and textured.
Some of the common types are wove or smooth, laid. Takahashi, T., Farnood, R., Significance of Surface and Bulk Light Scattering in Microgloss and Microgloss Nonuniformity of Coated Papers: Influence of Pigment Characteristics and Calendering Conditions.
Nordic Pulp Paper Res. 27(2) (). A new approach to the measurement of x−y uniformity of the surface of a paper sheet is described. Scanning electron micrographs are taken of both the top and bottom surfaces of a paper sheet and image-analyzed. The images were converted to grayscale, and the standard deviation of the pixel brightness was called the “SEM roughness index” Cited by: i.e., indicate a uniform, smooth paper surface.
It was also found that parameter entropy correlates the best with human texture perception (Gebeješ, et al., ). Results and discussion For the quantification of the surface roughness we have chosen the root mean square roughness factor Sq and other parameters such as Max, Min, Sy, Sssk and Ska.
This paper describes the establishment of an evaluation method for metal surface texture. The evaluation parameters used for surface texture were roughness, glossiness and color. Seven sample materials were studied: aluminum alloys (A, A), stainless steel (SUS) and copper alloys (tough pitch copper C, brass C, phosphor bronze Cited by: Defined as the uniformity of the surface in terms of visible texture and defects (orange peel, scratches, inclusions etc.) A surface can therefore appear very shiny if it has a well-defined specular reflectance at the specular angle.
The perception of an image reflected in the surface can be degraded by appearing unsharp, or by appearing to be of low contrast.
The surface uniformity may in fact mask sub-surface variations in the physical environment, and the presence of one species may modify the distribution of others (Reise, a, b). Such physical and biological factors will tend to generate patchy distributions, and reduce the effectiveness of a given sampling by: 5.
THE EFFECTS OF PAPER PHYSICAL PROPERTIES ON PRINT GLOSS AND INK MILEAGE by Renmei Xu A Dissertation Submitted to the Faculty of The Graduate College in partial fulfillment of the requirements for the Degree of Doctor of Philosophy Department of Paper Engineering, Chemical Engineering, and Imaging Advisor: Paul D.
Fleming HI, Ph.D. From the experimental results it was found that () basal plane texture component would be weakened by increasing the lead content of the zinc bath and coatings with strong () texture component have better corrosion resistance than the coatings with weak () texture by: This phenomenon affects not only the zinc coating texture but also its surface appearance and corrosion resistance.
Therefore, the effects of the zinc bath chemical composition (changed by the addition of lead or antimony) on the texture and corrosion behaviour of hot-dip galvanized steel sheets were by: Another parameter, Str, which quantifies the uniformity of surface-texture directions due to polishing or grinding marks, was traditionally quantified after a complete-surface topographic measurement.
In this research, a new approach is proposed to determine surface isotropy through a luminance-intensity distribution analysis. The texture of two apple cultivars was characterised by sensory and instrumental methods for five different storage periods.
The aim of this study was to explain the changes in apple texture during storage by different physical (penetrometry, compression) and chemical measurements (extraction and analysis of pectin composition).Cited by:.
handbook of irrigation and drainage pdf favorite ebook reading intervals b relative uniformity and usually silty texture c high organic matter content d distinct changes handbook of irrigation and drainage and millions of other books are available for amazon kindle learn more share buy new drainage paper no 24 such as the estimation of.Abstract.
This chapter is devoted to the specification and measurement of object properties other than colour.
The properties are grouped under the headings of physical form, translucency, gloss, uniformity and pattern, temporal properties, and analysis of complex by: 1.shape, moisture content and surface texture.
In the present work, a systematic study has been performed to determine the relationship between the flowability of fine powders and their physical properties of mean size and size distribution, density and shape. Flowability studies were done on six different powders: the NutraSweet® Brand.