Inverse Reconstruction of Fracture Splitting Connecting Rod and its Strength and Fatigue Life

Inverse Reconstruction of Fracture Splitting Connecting Rod and its Strength and Fatigue Life To investigate the strength and fatigue life of a fracture-split connecting rod, this study combines experiments on connecting rod fracture splitting, three-dimensional reconstruction technology and the finite element technique. An actual fracture joint surface of a connecting rod is obtained by fracture-splitting experiment, and its mode is reconstructed by reverse engineering. Subsequently, the reconstructed fracture plane is imported into CAD to establish the actual three-dimensional model of the fracture-split connecting rod. The fatigue characteristics parameters of the fracture-split connecting rod material, namely C70S6, are obtained by a rotating bending fatigue test. Finally, by comparing to a traditional machining connecting rod, the inspection of the fatigue life of the fracture-splitting connecting rod is performed using the finite element method and the fatigue analysis theory. The results show that the fracture-split connecting rod meets the strength and fatigue life requirements. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Failure Analysis and Prevention Springer Journals

Inverse Reconstruction of Fracture Splitting Connecting Rod and its Strength and Fatigue Life

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Publisher
Springer US
Copyright
Copyright © 2018 by ASM International
Subject
Materials Science; Tribology, Corrosion and Coatings; Characterization and Evaluation of Materials; Classical Mechanics; Structural Mechanics; Quality Control, Reliability, Safety and Risk
ISSN
1547-7029
eISSN
1864-1245
D.O.I.
10.1007/s11668-018-0450-4
Publisher site
See Article on Publisher Site

Abstract

To investigate the strength and fatigue life of a fracture-split connecting rod, this study combines experiments on connecting rod fracture splitting, three-dimensional reconstruction technology and the finite element technique. An actual fracture joint surface of a connecting rod is obtained by fracture-splitting experiment, and its mode is reconstructed by reverse engineering. Subsequently, the reconstructed fracture plane is imported into CAD to establish the actual three-dimensional model of the fracture-split connecting rod. The fatigue characteristics parameters of the fracture-split connecting rod material, namely C70S6, are obtained by a rotating bending fatigue test. Finally, by comparing to a traditional machining connecting rod, the inspection of the fatigue life of the fracture-splitting connecting rod is performed using the finite element method and the fatigue analysis theory. The results show that the fracture-split connecting rod meets the strength and fatigue life requirements.

Journal

Journal of Failure Analysis and PreventionSpringer Journals

Published: Mar 29, 2018

References

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