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http://dx.doi.org/10.3795/KSME-A.2017.41.6.567

Fatigue Life Estimation of Induction-Hardened Drive Shaft Under Twisting Loads  

Kim, Tae Young (Dept. of Mechanical Engineering, Dong-A Univ.)
Kim, Tae An (Dept. of Mechanical Engineering, Dong-A Univ.)
Han, Seung Ho (Dept. of Mechanical Engineering, Dong-A Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.41, no.6, 2017 , pp. 567-573 More about this Journal
Abstract
The drive shaft of passenger vehicle has an important role in transmitting the torque between the power train system and the wheels. Torsional fatigue failures occur generally in the connection parts of the spline edge of the drive shaft, when there is significant fatigue damage under repeated twisting loads. A heat treatment, an induction hardening process, has been adopted to increase the torsional strength as well as the fatigue life of the drive shaft. However, it is still unclear how the extension of the induction hardening process in a used material relates to its shear-strain fatigue life range. In this study, a shear-strain controlled torsional-fatigue test with a specially designed specimen was conducted by an electro-dynamic torsional fatigue test machine. A finite element analysis of the drive shaft was carried out using the results obtained by the fatigue experiment. The estimated fatigue life was verified through a twisting load test of the real drive shaft in a test rig.
Keywords
Drive Shaft; Torsional Fatigue Failure; Induction Hardening Process; Fatigue Life Estimation; Shear Strain-controlled Fatigue Test;
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Times Cited By KSCI : 3  (Citation Analysis)
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