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surface topography
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Image
Published: 01 January 2006
Fig. 19 Surface topography of shot peened workpieces with (a) 6.4 mm ball diameter and 15 m/s ball velocity, and (b) 4.0 mm ball diameter and 12.8 m/s ball velocity. R A , roughness average; R z , ten-point height (roughness average); R max , maximum peak-to-valley roughness height
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Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001236
EISBN: 978-1-62708-170-2
...Abstract Abstract Most surfaces have regular and irregular spacings that tend to form a pattern or texture on the surface. This article provides information on the general background of surface topography and discusses the different methods for measuring surface topography, namely, contact...
Abstract
Most surfaces have regular and irregular spacings that tend to form a pattern or texture on the surface. This article provides information on the general background of surface topography and discusses the different methods for measuring surface topography, namely, contact and noncontact techniques, and the focus-follow method. Examples of different types of parameters obtained and how they are applied can best be described by discussing the various types of surfaces generated by finishing methods. The surfaces include ground, turned, and milled machined surfaces; surfaces subjected to stress; bearing surfaces; plateau honed and tapped surfaces; and reflective, painted, elastic, and wear-resistant surfaces.
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003708
EISBN: 978-1-62708-182-5
... of these techniques. The techniques are divided into those that provide insight into surface topography and surface structure, and those that provide understanding of chemical nature and identity. The article presents a list of web sites and print media addressing corrosion and related topics in five different areas...
Abstract
A corrosionist refers to a corrosion engineer, a corrosion technician, a corrosion scientist, a chemist, a physicist, an electrical engineer, a mechanical engineer, a coatings or plastics salesperson, a corrosion consultant, or a plant operator. This article presents an overview of statistical inference and addresses the commonly used statistical tools and tests. It describes the science and engineering of materials, including metals, polymers, and ceramics. The article explores the principles of various surface-sensitive techniques and the usefulness and limitations of these techniques. The techniques are divided into those that provide insight into surface topography and surface structure, and those that provide understanding of chemical nature and identity. The article presents a list of web sites and print media addressing corrosion and related topics in five different areas: societies and associations; corrosion standards, specifications, and recommended practices; sources of corrosion information; corrosion databases and data compilations; and other web resources.
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006397
EISBN: 978-1-62708-192-4
...Abstract Abstract This article begins with the basic concept of friction and with the general approaches that can be used to control or minimize it. It focuses on the factors influencing rolling friction: surface topography, composition, subsurface microstructure, and lubrication conditions...
Abstract
This article begins with the basic concept of friction and with the general approaches that can be used to control or minimize it. It focuses on the factors influencing rolling friction: surface topography, composition, subsurface microstructure, and lubrication conditions. The article reviews the microscopic mechanisms generating friction. It concludes by discussing the three components of rolling friction: microslip at the interface, anelastic hyteresis losses, and surface roughness.
Image
Published: 15 May 2022
properties of the polymer and the surface topography of the counterface. PE, polyethylene; PTFE, polytetrafluoroethylene; UHMWPE, ultrahigh-molecular-weight polyethylene. Reprinted with permission from Ref 1
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Image
Published: 31 October 2011
Image
Published: 01 November 2010
Image
Published: 01 January 1993
Fig. 5 Topography of silicon carbide whisker-reinforced alumina surfaces to be joined. (a) Ground, R q of 0.35 μm (14 μin.). (b) Ground/polished, R q of 0.04 μm (1.6 μin.). 3000×
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Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006658
EISBN: 978-1-62708-213-6
... in the topography is neither PS nor PMMA but a foreign object. Four-Dimensional AFM Imaging Typically in an AFM, the probe tracks the surface during a scan. Another dimension that can be examined by the AFM is force interactions of the probe in the vertical direction above the surface, called a force...
Abstract
This article focuses on laboratory atomic force microscopes (AFMs) used in ambient air and liquid environments. It begins with a discussion on the origin of AFM and development trends occurring in AFM. This is followed by a section on the general principles of AFM and a comprehensive list of AFM scanning modes. There is a brief description of how each mode works and what types of applications can be made with each mode. Some of the processes involved in preparation of samples (bulk materials and those placed on a substrate) scanned in an AFM are then presented. The article provides information on the factors applicable to the accuracy and precision of AFM measurements. It ends by discussing the applications for AFMs in the fields of science, technology, and engineering.
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006365
EISBN: 978-1-62708-192-4
... of specially formulated high-additive oils, a change in the geometry of the element, the use of surface coatings, an improvement in the surface roughness and topography, or by the generation of a specific surface structure. Any change in the geometry of the element is more or less limited and related...
Abstract
This article provides an overview of surface-texturing techniques. It describes the texturing parameters, namely, shape, depth, and width of the textured pattern, its aspect ratio (depth over width), texture area density, and orientation. The article explains the effect of these parameters on tribological behavior of textured surfaces. It provides information on various modeling approaches for surface texture. The article also discusses the beneficial effect of surface texturing.
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006402
EISBN: 978-1-62708-192-4
... of test geometries are shown in Fig. 5 . Specify the geometry of the test configuration, the bulk materials properties and metallurgical description, and the surface topographies and characteristics (cleaned surfaces before test). Note that the interfacial tribological processes act differently on each...
Abstract
The influence of friction and wear on the function and structure of tribological systems is determined by various types of tribological tests. This article introduces the general categories of tribological testing and describes the basic objectives of testing. It reviews the results of tribological tests, where the system-dependent characteristics of friction and wear data can be expressed in different forms, such as tribographs, transition diagrams, and tribomaps. A summary of various methods of surface analysis is presented in a table. The article discusses the relationship between wear and reliability in terms of exponential distribution, Weibull distribution, and gamma distribution. It concludes with information on the effects of interaction on failure probability.
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002165
EISBN: 978-1-62708-188-7
...Abstract Abstract This article discusses the use of a shaped electrode for electrical discharge machining (EDM). It describes the operational methodology of the EDM. Topography, metallurgical and chemical effects, and surface integrity of the EDM surface are reviewed. The article provides...
Abstract
This article discusses the use of a shaped electrode for electrical discharge machining (EDM). It describes the operational methodology of the EDM. Topography, metallurgical and chemical effects, and surface integrity of the EDM surface are reviewed. The article provides information on the characteristics of electrodes and the process features of electrode manufacturing. Functions of the dielectric fluids and applications of the EDM are discussed. The article reviews the advancement in EDM such as no-wear EDM and computer numerically controlled vertical EDM. It analyzes the applications and process of the traveling wire EDM. Health and safety measures for the EDM process are also discussed.
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006644
EISBN: 978-1-62708-213-6
.... The complete name x-ray diffraction topography is a little more informative, indicating that the technique is concerned with the topography of the internal diffracting planes, that is, local changes in spacing and rotations of these planes, rather than with external surface topography. This technique usually...
Abstract
X-ray topography is the general term for a family of x-ray diffraction imaging techniques capable of providing information on the nature and distribution of imperfections. This article provides a detailed account of x-ray topography techniques, providing information on the historical background and development trends in x-ray diffraction topography. The discussion covers the general principles, components of systems, and applications of x-ray topography techniques, namely conventional X-ray topographic techniques and synchrotron x-ray topographic techniques.
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... employed in both the field and in the laboratory. Visual Examination Visual Observations Failure analysis is a process centered in visual examination and analysis. The details observed on a fracture surface are based on differences in fracture surface topography, reflectivity, and color...
Abstract
This article reviews photographic principles, namely, visual examination, field photographic documentation, and laboratory photographic documentation, as applied to failure analysis and the specific techniques employed in both the field and laboratory. It provides information on the photographic equipment used in failure analysis and on film and digital photography. The article describes the basics of photography and the uses of different types of lighting in photography of a fractured surface. The article also addresses the techniques involved in macrophotography and microscopic photography as well as other special techniques.
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001760
EISBN: 978-1-62708-178-8
... crystals, images of individual defects may be obtained and recorded on photographic plates or film. Defects near the surface can be completely characterized and defined using reflection topography (the Bragg case); defects in the bulk can be probed using transmission techniques (the Laue case) ( Fig. 1...
Abstract
X-ray topography is a technique that comprises topography and x-ray diffraction. This article provides a description of the kinematical theory and the dynamical theory of diffraction. It provides useful information on the configurations of reflection and transmission topography. The article explains various topographic methods, namely, divergent beam method, polycrystal rocking curve analysis, line broadening analysis, microbeam method, and polycrystal scattering topography, as well as their instrumentation. It also describes the applications of x-ray topography.
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001319
EISBN: 978-1-62708-170-2
...Abstract Abstract This article provides an overview of plasma surface treatments for plastics. It covers the equipment and methods used in plasma processing, providing detailed explanations of the plasma discharge reactions and how they affect surface state and topography. It also provides...
Abstract
This article provides an overview of plasma surface treatments for plastics. It covers the equipment and methods used in plasma processing, providing detailed explanations of the plasma discharge reactions and how they affect surface state and topography. It also provides information on contamination removal, plasma surface modification, plasma-induced grafting, and plasma film deposition.
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005685
EISBN: 978-1-62708-198-6
... provides high-resolution imaging of fine surface morphology ( Fig. 5 , Fig. 6 , Fig. 7 ). Inelastic electron scattering caused by the interaction between the sample electrons and the incident electrons results in the emission of low-energy electrons from near the sample surface. The topography of surface...
Abstract
This article focuses on the modes of operation, physical basis, sample requirements, properties characterized, advantages, and limitations of the characterization methods used to evaluate the physical morphology and chemical properties of component surfaces for medical devices. These methods include light microscopy, scanning electron microscopy, atomic force microscopy, energy-dispersive X-ray spectroscopy, Auger electron spectroscopy, secondary ion mass spectrometry, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy.
Book Chapter
Book: Fractography
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001830
EISBN: 978-1-62708-181-8
...Abstract Abstract The purpose of fractography is to analyze fracture features and attempt to relate the topography of the fracture surface to the causes and/or basic mechanisms of fracture. This article reviews the historical development of fractography, from the early studies of fracture...
Abstract
The purpose of fractography is to analyze fracture features and attempt to relate the topography of the fracture surface to the causes and/or basic mechanisms of fracture. This article reviews the historical development of fractography, from the early studies of fracture appearance dating back to the sixteenth century to the state-of-the-art work in electron fractography and quantitative fractography. It also describes the applications and limitations of scanning electron microscope and transmission electron microscope.
Book: Composites
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
.... These techniques include edge replication, stiffness measurement, radiography, ultrasonics, acoustic emission, and thermography. Surface or Edge Replication Surface or edge replication is a technique that has found wide application by materials scientists studying surface topography. Because replication...
Abstract
Mechanical and environmental loadings cause a variety of failure modes in composites, including matrix cracking, fiber-matrix debonding, delamination between plies, and fiber breakage. This article summarizes visual analysis and nondestructive testing methods for the failure analysis of composites. These methods include radiography, ultrasonic techniques, acoustic emission, and thermograph. The article also provides information on destructive test techniques.
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006387
EISBN: 978-1-62708-192-4
..., as shown in Fig. 3(b) , to further measure the three-dimensional (3-D) topography, a point sensor is raster scanned over a surface with two moving axes. Several further effects of 3-D measurement must be considered when analyzing the data. First there is the issue of having an accurate starting point...
Abstract
This article describes the determination of wear loss by measuring either mass change or dimensional change of lubricants and materials. It discusses the principles, advantages and disadvantages of mass loss measures and dimensional measures of wear. The article details wear measurement at the nanoscale, such as atomic force microscopy (AFM) measurement and scanning electron microscopy measurement. It reviews the techniques of wear measurement at the atomic level, namely, transmission electron microscopy (TEM) measurement and AFM combined with TEM measurement.