Effects of Contact Load and Contact Curvature Radius of Cylinder Pad on Fretting Fatigue in High Strength Steel

SK Lee; K Nakazawa; M Sumita; N Maruyama

doi:10.1520/STP14730S

SYMPOSIA PAPER Published: 01 January 2000

STP14730S

Effects of Contact Load and Contact Curvature Radius of Cylinder Pad on Fretting Fatigue in High Strength Steel

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Fretting fatigue of high strength steel was studied at various contact loads using bridge-type fretting cylindrical pads with various contact curvature radii. The fretting fatigue life showed a minimum at a certain contact load irrespective of the pad radius even though the frictional force increased monotonously with contact load. At a high contact load, the fretting fatigue life remained almost unchanged with a change in pad radius. At a low contact load, however, the fretting fatigue life increased with an increase in pad radius even though the frictional force was independent of the radius.

Author Information

Lee, SK

Dong-A University, Saha-gu, Pusan, Korea

Nakazawa, K

National Research Institute for Metals, Tsukuba, Japan

Sumita, M

National Research Institute for Metals, Tsukuba, Japan

Maruyama, N

National Research Institute for Metals, Tsukuba, Japan

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Details

Developed by Committee: E08

Pages: 199–212

DOI: 10.1520/STP14730S

ISBN-EB: 978-0-8031-5420-9

ISBN-13: 978-0-8031-2851-4

Effects of Contact Load and Contact Curvature Radius of Cylinder Pad on Fretting Fatigue in High Strength Steel

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