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Design and development of fretting fatigue test apparatus

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Main Authors: Arora, Prithvi Raj, M. S. D., Jacob, Elsadig Mahdi, Ahmed, Mohd. Sapuan, Salit, M., Saleem
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Fretting fatigue
Test apparatus
Calibration
Frictional force
S-N curve
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13548
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spelling my.unimap-135482011-08-12T06:10:17Z Design and development of fretting fatigue test apparatus Arora, Prithvi Raj M. S. D., Jacob Elsadig Mahdi, Ahmed Mohd. Sapuan, Salit M., Saleem Fretting fatigue Test apparatus Calibration Frictional force S-N curve Link to publisher's homepage at http://www.myiem.org.my/ A detail survey of the existing fretting fatigue test equipments used is given and a new fretting fatigue test apparatus has been designed and fabricated. The fretting fatigue test apparatus permits the examination of the contact zone during the test and allows the precise measurement of frictional force induced at the contact interface due to the fretting action. The fretting fatigue experiments have been carried out using 7075-T6-aluminium alloy specimen with the En24 steel pad with flat over flat contact condition. It has been observed that the life reduction factors increase with increase in normal stress for given maximum axial stress. For the specimens tested under fretting fatigue condition with normal stress in the range of 45 MPa to 90 MPa the average life reduction factors are 12.52, 6.71, and 2.28 for maximum axial stresses of 290 MPa, 300 MPa, and 325 MPa respectively. The micro cracks along the contact interface below the pads have been nucleated and these micro cracks later on link to other cracks to form a composite major crack which is considered as a leading cracks through the thickness, while other will be considered as non-propagating cracks. The crack initiation of the order of 20 micrometer is captured with the help of video microscope. 2011-08-12T06:10:17Z 2011-08-12T06:10:17Z 2005-06 Article The Journal of the Institution of Engineers, Malaysia, vol. 66(2), 2005, pages 58-64 0126-513X http://www.myiem.org.my/content/iem_journal_2005-176.aspx http://hdl.handle.net/123456789/13548 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Fretting fatigue
Test apparatus
Calibration
Frictional force
S-N curve
spellingShingle Fretting fatigue
Test apparatus
Calibration
Frictional force
S-N curve
Arora, Prithvi Raj
M. S. D., Jacob
Elsadig Mahdi, Ahmed
Mohd. Sapuan, Salit
M., Saleem
Design and development of fretting fatigue test apparatus
description Link to publisher's homepage at http://www.myiem.org.my/
format Article
author Arora, Prithvi Raj
M. S. D., Jacob
Elsadig Mahdi, Ahmed
Mohd. Sapuan, Salit
M., Saleem
author_facet Arora, Prithvi Raj
M. S. D., Jacob
Elsadig Mahdi, Ahmed
Mohd. Sapuan, Salit
M., Saleem
author_sort Arora, Prithvi Raj
title Design and development of fretting fatigue test apparatus
title_short Design and development of fretting fatigue test apparatus
title_full Design and development of fretting fatigue test apparatus
title_fullStr Design and development of fretting fatigue test apparatus
title_full_unstemmed Design and development of fretting fatigue test apparatus
title_sort design and development of fretting fatigue test apparatus
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13548
_version_ 1643790889296855040
score 13.222552

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