Numerical investigation of deformed layout and fatigue life of automotive braking hose to the helix angle of fabric braided layers

The fabric braided rubber hose used in the automotive hydraulic braking system exhibits the anisotropic large deformation while its movable end is moving along the cyclic path during the steering and bump/rebound motions of vehicle. The complicated large deformation may cause not only the interferen...

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Bibliographic Details
Published in:Journal of mechanical science and technology 2017, 31(6), , pp.2893-2900
Main Authors: Cho, Jin-Rae, Kim, Young-Hyun
Format: Article
Language:English
Subjects:
Automobile industry
Automotive engineering
Automotive parts
Braiding
Braking
Control
Deformation mechanisms
Durability
Dynamical Systems
Engineering
Fatigue cracking
Fatigue life
Fracture mechanics
Industrial and Production Engineering
Interference
Life cycle engineering
Materials fatigue
Mechanical Engineering
Rubber
Vibration
기계공학
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Summary:The fabric braided rubber hose used in the automotive hydraulic braking system exhibits the anisotropic large deformation while its movable end is moving along the cyclic path during the steering and bump/rebound motions of vehicle. The complicated large deformation may cause not only the interference with other neighboring parts but also the durability problem resulting in the fatal micro cracking. In this regard, the design of high-durable braking hose with the interference-free layout becomes a hot issue in the automotive industry. However, it has been traditionally relied on the cost-/time-consuming trial and error experiments because the computational methodology for the large deformation and fatigue evaluation of the braking hose with the fabric braided layers in complex micro structure pattern has not been fully developed. Furthermore, the hose deformed layout and fatigue life are significantly influenced by the helix angle of braided layers, so that their characteristic investigation becomes an important research subject. As a preliminary step for the optimum design of high-durable and interference-free braking hose, this study investigates the hose deformed layout and the fatigue life cycle with respect to the helix angle of braided layers.
ISSN:1738-494X
1976-3824
DOI:10.1007/s12206-017-0532-3