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Quizzed article | REF: BM5430 V1

Mechanical springs Classification, stresses, materials and manufacturing processes

Author: Manuel PAREDES

Publication date: November 10, 2021 | Lire en français

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    10. Glossary

    Characteristic ; caractéristique

    Law linking force P (or torque C) to deflection.

    Shot peening; shot peening

    The process of violently striking the metal surface with a multitude of small balls to generate residual compressive stresses favorable to the fatigue life of the part.

    Patented

    Materials heat-treated in a first lead bath at high temperature (austenitization) and in a second bath at lower temperature (to obtain a sorbite structure).

    Preconforming; prestressing

    Pre-forming involves deliberately working the spring beyond its elastic limit (usually in 2 or 3 stages), before putting it into operation on the system, to obtain a given state of residual stress. As a result of plastic deformation, the spring's dimensions...

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