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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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Bibliography
Standards and norms
French Standards Association (Afnor)
- Heat treatment, alloy and free-cutting steels – Part 1: non-alloy steels for quenching and tempering. - NF EN ISO 683-1 - Juin 2018
- Heat treatment, alloy and free-cutting steels – Part 2: alloy steels for quenching and tempering. - NF EN ISO 683-2 - Juin 2018
- Heat treatment, alloy and free-cutting steels – Part 3: case-hardening steels. - NF EN ISO 683-3 - Février...
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