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3. Heat treatment controls
3.1 Temperature control
Precise and effective temperature control during heat treatment of castings is extremely important to avoid the risk of them becoming unserviceable.
While the precision required to reach and maintain the temperature range is relatively easy and well achieved, temperature uniformity throughout the load of parts being processed is much more difficult to achieve, and far from attainable without proper heat distribution inside the oven.
Figure 5 illustrates the temperature distribution in a moving hearth annealing furnace during the treatment...
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Metal treatments
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Heat treatment controls
Risks. Precautions. Remedies
Bibliography
References
Standardization
- Foundry – Cast iron with lamellar graphite (classification index: A32-101) - NF EN 1561 - 10-1997
- Foundry – Malleable cast iron (classification index: A32-701) - NF EN 1562 - 10-1997
- Foundry – Malleable cast iron (classification index: A32-701/A1) - NF EN 1562/A1 - 9-2006
- Foundry – Spheroidal graphite cast iron (2nd edition, March 1998) (classification index: A32-201) - NF EN 1563 - 10-1997
- Foundry...
Theses
http://www.sudoc.abes.fr
ADRIEN (J.). – Optimization of thermal cycles applied to ferritic GS cast irons with respect to fatigue properties. INSA de Lyon (2004).
SERBAN (F.). – Evaluation and modeling of residual stresses in austenoferritic spheroidal graphite cast irons: influence of thermal and thermomechanical treatment. University of Reims, Champagne-Ardenne (2004).
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