Sunday 31 August 2008

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON APPLIED AND THEORETICAL MECHANICS
Transactions ID Number: 27-223
Full Name: Jamil Abdo
Position: Associate Professor
Age: ON
Sex: Male
Address: P O Box 33, Mechanical Engineering Dept., Sultan Qaboos Universit, Al-Khoud 123
Country: OMAN
Tel: 00 968 2414 1350
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Fax:
E-mail address: jdabdo@squ.edu.om
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Title of the Paper: The Effect of Frequency and Amplitude of Vibration on the Coefficient of Friction for Metals
Authors as they appear in the Paper: Jamil Abdo and Mahmoud Tahat
Email addresses of all the authors: jdabdo@squ.edu.om
Number of paper pages: 10
Abstract: Experiments were conducted to determine the effects of frequency and amplitude of vibration on friction. The experimental analysis also seeks to take into account a variety of factors influencing the coefficient of friction such as normal load and surface roughness. An in-house pin-on-disc apparatus was constructed with a spindle speed control and applied forced-feedback to perform the tests. The response surface methodology is utilized to investigate the effects of the factors and their cross influence on the coefficient of friction for the Steel C1020 and Aluminum 7079. The analysis of variance is done on the experimental data to evaluate the statistical significance of the model. The response equation for the coefficient of friction of Steel C1020 and Aluminum 7079 were determined. The ranges of frequency and amplitude of vibration were 120 – 600 Hz and 15 – 225 µm, respectively. Studies have shown that the coefficient of friction decreases with the incre!
ase of frequency and amplitude of vibration within the observed ranges for both metals whereas the in case of Aluminum 7079 the coefficient of friction is about 13 % when it compares with the coefficient of friction of Steel C1020.
Keywords: Frequency and amplitude of vibration, Coefficient of friction, Pin on disc
EXTENSION of the file: .doc
Special (Invited) Session: The Effect of Vibration and Amplitude of Vibration on the Coefficient of Friction for Metals
Organizer of the Session: 592-134
How Did you learn about congress: Dr. Raffiq Siddiqui (siddiqui@squ.edu.om) and Khadid Alzebdeh (alzebdeh@squ.edu.om)
IP ADDRESS: 62.231.244.177