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Published in:
2022 | OriginalPaper | Chapter
2. Hertzian Contact Stress
Authors : Majid Yaghoubi, Hamed Tavakoli
Published in: Mechanical Design of Machine Elements by Graphical Methods
Publisher: Springer International Publishing
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Abstract
When two elements with curved surfaces make contact with each other and are pressed together, contact stresses (also called Hertzian contact stresses) are developed within the contact areas. Theoretically, the contact is either a point (when at least one of the elements is a sphere) or a line (when at least one of the elements is a cylinder). High contact stresses may lead to failures such as cracks, pits and flaking in the surface material. In this chapter, we only consider the line contact as it is more common and present graphs to simplfy designing of it.