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3. Problems caused by deformation
As mentioned in the article
[M 1 135]
, there are two types of deformation that cannot be considered independently of each other: change of volume and change of shape. The change in volume, linked to structural transformations, can be better understood and controlled, while the change in shape, linked to the relaxation of all internal stresses, can be minimized by a few practical rules. The table at
5
summarizes the problem of deformations, with the important parameters and the main means of action.
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Problems caused by deformation
Bibliography
-
(1) - HAIRY (P.), RICHARD (M.) -
Traitement de surface des moules de fonderie sous pression
-
. 37
es
journées du Cercle d'études des métaux (CEM), Albi. Bulletin du CEM, tome XVI, n° 17 (mai 1998).
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(2) - HEINKELE...
Standards
Afnor standards :
http://www.afnor.org
,
http://www.boutique.afnor.org/
,
http://www.normadoc.com
.
- Systèmes de désignation des aciers, Partie 1 :...
Directory
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Tool steel producers
Ascometal, Groupe Lucchini, Immeuble Le Colisée, 8 avenue de l'Arche, 92419 Courbevoie, France
http://www.ascometal.fr
Bohler Uddeholm France, 12, rue Mercier, ZI de Mitry-Compans, 77290 Mitry-Mory
...
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Heat treatment incidents and remedies
