5. Glossary

Tension de serrage ; Tightening stress

Tensioning force applied to ensure a complete, rigid and detachable connection between one or more parts to be assembled.

Tightening force applied to ensure a complete, rigid and removable connection between one or more parts to be assembled

Ondes ultrasonores ; Ultrasonic waves

Inaudible high-frequency (mechanical) sound waves above 20,000Hz propagating through the material

Inaudible (mechanical) sound waves with high frequencies above 20 000Hz propagating in material

Fatigue Failure; Défaillance en fatigue

Fatigue refers to the damage caused to a component by variable stresses. These can lead to cracking and eventual structural failure.

Fatigue is the...

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Bibliography

(1) - BELAHCENE (F.) - Détermination des contraintes résiduelles superficielles par méthode ultrasonore. - - Thèse de doctorat, UTC, Compiègne, France (2000).
(2) - MURNAGHAN (D.) - Finite deformation of an elastic solid. - - John...

Standards and norms

Fastening elements – Torque/voltage tests – Amendment 1 - NF EN ISO 16047/A1 - 01-13
Éléments de fixation. Assemblages vissés. Conception, calcul et conditions de montage - FD E 25-030 - 08-84
Articles de boulonnerie d'usage général. Spécifications techniques. Réception. Commande. Livraison - NF E 27-005 - 10-69
Éléments de fixation. Essais de fatigue sous charge axiale - NF E 27-009 - 10-69

Patents

US8037772B2. Thread forming fasteners for ultrasonic load measurement and control.

EP787980B1. Measuring a load on a part and monitoring the integrity of the part | Belastungsmessung eines Elementes und Überwachung seiner Integrität | Mesure de la charge dans une pièce et surveillance de l'intégrité de cette pièce.

US5301574A. Hydraulic wrench and piston has rack gear meshed with...