A dynamic wear rig for the scanning electron microscope

A pin-on-disk wear rig has been constructed to operate inside the scanning electron microscope to allow direct, high magnification, observation of wear as it occurs. The wear process is recorded on video tape and the variations in normal load and frictional force are measured and recorded using a da...

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Bibliographic Details
Published in:Wear 1985, Vol.101 (1), p.81-91
Main Authors: Lim, S.C., Brunton, J.H.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Friction, wear, lubrication
Machine components
materials testing
Mechanical engineering. Machine design
optical instruments
scanning electron microscopy
steel
surface roughness
wear
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Description
Summary:A pin-on-disk wear rig has been constructed to operate inside the scanning electron microscope to allow direct, high magnification, observation of wear as it occurs. The wear process is recorded on video tape and the variations in normal load and frictional force are measured and recorded using a data-logging system. Experiments using this rig show the formation of sheet- or flake-like debris when high purity copper pins slide on casehardened mild steel disks. The amount of debris produced over the same sliding distance (a measure of the wear rate) is found to be influenced by small variations in the surface roughness of the disks.
ISSN:0043-1648
1873-2577
DOI:10.1016/0043-1648(85)90213-3