Tableau 2
Valeurs de relaxation ε pour la profondeur de forage maximale et contrainte résiduelle correspondante σ pour les revêtements nickel-bore sans (brut) et avec (TT) traitement thermique.
Relaxation values ε at maximum drilling depth and corresponding residual stress σ for nickel-bore coatings without (pristine) and with (TT) heat treatment.
| NiB brut | NiB TT | ||||
|---|---|---|---|---|---|
| Test | ε (×104) | σ (MPa) | Test | ε (×104) | σ (MPa) |
| T1 | 4,5 | −122 | T1 | 4,8 | −176 |
| T2 | 0,4 | −11 | T2 | 1,5 | −55 |
| T3 | −5,2 | 141 | – | – | – |
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