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An Experimental Study on the Scuffing Performance of High-Power Spur Gears at Elevated Oil Temperatures

Brenneman, James W
http://rave.ohiolink.edu/etdc/view?acc_num=osu1374759993

Abstract Details

2013, Master of Science, Ohio State University, Mechanical Engineering.
In this study, a number of spur gear tests were performed under high-power and high-temperature conditions representative of certain aerospace gearing applications. As the first type of tests, long cycle tests of 100 million cycles were performed at set operating speed, load, and temperature conditions. The second type of tests, load-staged scuffing tests, implemented an incrementally increased torque schedule under constant speed and oil temperature conditions. Two different gear tooth surfaces were considered in these tests: hard ground surfaces representative of rough, as machined gear surfaces and chemically polished gear surfaces that were an order of magnitude smoother than the ground surfaces. The primary failure mode of concern was scuffing of the contact surfaces due to temperature build up. The impact of surface roughness amplitudes, contact stress, and oil inlet temperature on scuffing failures were investigated. Effects of ramp up procedures for the speed and torque, as well as the introduction of a break-in test stage were also investigated to show that they are critical to the scuffing performance of gears.
Ahmet Kahraman (Advisor)
Brian Harper (Committee Member)
108 p.
Mechanical Engineering
gears; scuffing; high temperature; contact fatigue

Recommended Citations

Citations

  • Brenneman, J. W. (2013). An Experimental Study on the Scuffing Performance of High-Power Spur Gears at Elevated Oil Temperatures [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374759993

    APA Style (7th edition)

  • Brenneman, James. An Experimental Study on the Scuffing Performance of High-Power Spur Gears at Elevated Oil Temperatures. 2013. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1374759993.

    MLA Style (8th edition)

  • Brenneman, James. "An Experimental Study on the Scuffing Performance of High-Power Spur Gears at Elevated Oil Temperatures." Master's thesis, Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374759993

    Chicago Manual of Style (17th edition)

osu1374759993
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© 2013, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.