Fatigue failure of ball joint heads connected to the weight holder mechanism in railway applications
Abstract
The premature causes of failure of ball joint heads attached to the weight bearing bar used on high speed trains, which were continuously under traction, have been studied, with an average load of 47.5 kN plus a cyclical load of ± 7.5 kN. Ball joint heads made of C45 (AISI 1045) carbon steel show a pearlite microstructure (80–90 %) with ferrite surrounding the prior-austenite grain boundaries. Two different external elliptical-shaped fatigue...
Paper Details
Title
Fatigue failure of ball joint heads connected to the weight holder mechanism in railway applications
Published Date
Nov 1, 2021
Journal
Volume
129
Pages
105690 - 105690
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