Results 201 to 210 of about 15,702 (253)

The role of wear debris in the study of wear

Wear, 1983
Abstract The danger of using the steady state wear rates of metals to compare materials is indicated; the total wear must also be considered. Particle size analysis shows that, in sliding wear, the smallest particles are the most numerous. Surface topographies of steel and aluminium alloys as produced in laboratory machines were compared with the ...
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Size and shape of biomaterial wear debris

Clinical Materials, 1994
A literature review of wear debris is presented. Included are debris retrieved at revision of total joint replacement and at autopsy, as well as debris produced in vitro in wear testers and joint simulators or otherwise fabricated for biological experiments.
J A, Savio, L M, Overcamp, J, Black
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Evaluation of the biological response of wear debris

The Spine Journal, 2004
An animal study was conducted to evaluate the biological response to titanium particles from an artificial intervertebral disc in terms of serology and histologic changes.To determine the biological response to wear debris in the retroperitoneal and epidural space.Few wear studies exist about mechanical artificial discs.Twenty-three New Zealand white ...
Bong-Soon, Chang, Phillip Rand, Brown, Ann, Sieber, Antonio, Valdevit, Kei, Tateno, John Philip, Kostuik   +5 more
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Modeling UHMWPE wear debris generation

Journal of Biomedical Materials Research Part B: Applied Biomaterials, 2006
AbstractIt is widely recognized that polyethylene wear debris is one of the main causes of long‐term prosthesis loosening. The noxious bioreactivity associated with this debris is determined by its size, shape, and quantity. The aim of this study was to develop a numerical tool that can be used to investigate the primary polyethylene wear mechanisms ...
H, Baudriller, P, Chabrand, D, Moukoko
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Chemical Nature of Wear Debris

A S L E Transactions, 1985
Depending upon the mechanism of wear occurring within aircraft gas-turbine engines, different types of wear debris are expected to be produced in lubricating oils. A procedure was developed to identify the chemical nature of these wear species. The procedure involves filtration and solvent extraction techniques, followed by spectrometric analysis to ...
R. E. Kauffman, C. S. Saba, W. E. Rhine, K. J. Eisentraut   +3 more
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An online wear debris monitor

Measurement Science and Technology, 1992
The design, construction and operation of a monitor for detecting metallic particulate contamination in lubricating oils is described. The principle of operation is that lubricating oil flows through a transducer coil, causing small changes in the inductance of a coil as any metallic particles pass.
H W Whittington, B W Flynn, G H Mills
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Geometrical features of wear debris

Journal of Materials Science, 2005
Image analysis software was used to analyse the geometry of debris formed during the erosion of low-carbon steel by impinging solid particles. Depending on the two-dimensional aspect ratio (ratio between debris height and debris width), three different debris types could be distinguished.
Momber, A. W., Wong, Yat
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Analysis of Wear Debris through Classification

2011
This paper introduces a novel method of wear debris analysis through classification of the particles based on machine learning. Wear debris consists of particles of metal found in e.g. lubricant oils used in engineering equipment. Analytical ferrography is one of methods for wear debris analysis and it is very important for early detection or even ...
Roman Juránek, Stanislav Machalík, Pavel Zemcík   +2 more
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Wear Debris Formation and Agglomeration

Journal of Tribology, 1992
The hypothesis that one of the primary roles of an effective lubricant is to prevent wear particle agglomeration, thus reduce the plowing of the interfaces by the particles, and lower the frictional force, has been tested through a series of experiments and modeling.
S. Tu¨rker Oktay, Nam P. Suh
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Wear and Wear Debris in a Changing World

2001
Hydraulic machinery and devices—key components in modern plant operations—are subject to wear and failure of one kind or another. The principal wear processes are described in conjunction with the creation of associated debris. The opportunities available for exploiting debris analysis techniques in pursuit of wear research is discussed against the ...
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