Bending fatigue characteristics of corroded wire ropes

Title
Bending fatigue characteristics of corroded wire ropes
Author(s)
권재도김성호함성훈[함성훈]
Issue Date
201407
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.28, no.7, pp.2853 - 2859
Abstract
The corrosion of a wire rope reduces its life expectancy. In this study, repeated bending tests were conducted using a bending fatigue tester by changing the tensile load and corrosion time of wire ropes, which were the same type as those used in elevators. The number of broken wires was studied, and a tensile test was conducted for cases in which the fracture was severe. The effect of corrosion fatigue on life expectancy was considered by comparing fracture strength values and observing fracture surfaces. The results indicate that an increase in accumulated corrosion fatigue, a greater tensile load, and repeated bending cycles may yield a rapid decrease in fracture strength and an increase in the number of broken wires. Therefore, it is concluded that corrosion fatigue is an important factor that decreases the life expectancy of wire rope.
URI
http://hdl.handle.net/YU.REPOSITORY/31407http://dx.doi.org/10.1007/s12206-014-0639-8
ISSN
1738-494X
Appears in Collections:
공과대학 > 기계공학부 > Articles
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