Densification kinetics of sandwich-type reinforced materials in hot pressing

1972 ◽  
Vol 11 (1) ◽  
pp. 22-27
Author(s):  
D. M. Karpinos ◽  
L. I. Tuchinskii ◽  
V. Ya. Fefer
Keyword(s):  
Hot Pressing ◽  
Sandwich Type ◽  
Kinetics Of ◽  
Reinforced Materials

Densification of sandwich-type reinforced materials in hot pressing

1973 ◽  
Vol 12 (7) ◽  
pp. 551-557 ◽  
Author(s):  
D. M. Karpinos ◽  
L. I. Tuchinskii ◽  
V. Ya. Fefer
Keyword(s):  
Hot Pressing ◽  
Sandwich Type ◽  
Reinforced Materials

Kinetics of densification during hot-pressing of aluminium nitride

1981 ◽  
Vol 16 (11) ◽  
pp. 3093-3098 ◽  
Author(s):  
J. -P. Lecompte ◽  
J. Jarrige ◽  
J. Mexmain ◽  
R. J. Brook ◽  
F. L. Riley
Keyword(s):  
Hot Pressing ◽  
Aluminium Nitride ◽  
Kinetics Of

Densification kinetics of boron carbide in hot pressing

1987 ◽  
Vol 26 (11) ◽  
pp. 881-884 ◽  
Author(s):  
M. S. Koval'chenko ◽  
Yu. G. Tkachenko ◽  
L. F. Ochkas ◽  
D. Z. Yurchenko ◽  
V. B. Vinokurov
Keyword(s):  
Boron Carbide ◽  
Hot Pressing ◽  
Kinetics Of

The effect of MgO additions on the kinetics of hot pressing in Al2O3

1980 ◽  
Vol 15 (12) ◽  
pp. 3017-3024 ◽  
Author(s):  
M. P. Harmer ◽  
R. J. Brook
Keyword(s):  
Hot Pressing ◽  
Kinetics Of

Densification kinetics of?-AlB12 and Al3B48C2 powders during hot pressing

1996 ◽  
Vol 35 (1-2) ◽  
pp. 25-31 ◽  
Author(s):  
A. I. Kharlamov ◽  
N. V. Kirillova ◽  
S. V. Loichenko
Keyword(s):  
Hot Pressing ◽  
Kinetics Of

Cure kinetics of PF/PVAc hybrid adhesive for manufacturing profiled wood-strand composites

Holzforschung ◽  
2010 ◽  
Vol 64 (5) ◽  
Author(s):  
Yi Wang ◽  
Vikram Yadama ◽  
Marie-Pierre Laborie ◽  
Debes Bhattacharyya
Keyword(s):  
Hot Pressing ◽  
Phenol Formaldehyde ◽  
Cure Kinetics ◽  
Roll Forming ◽  
Good Prediction ◽  
Forming Process ◽  
Scanning Calorimetry ◽  
Cross Sectional ◽  
Kinetics Of ◽  
Wood Strand

Abstract In thermoforming of profiled wood-strand composites, an adhesive system is needed to provide a weak initial bond to maintain mat integrity and architecture during the forming process and eventually a durable bond when the final cross-sectional shape is achieved. A hybrid adhesive composed of phenol formaldehyde (PF) and poly(vinyl acetate) (PVAc) is proposed in this study. The cure kinetics of this hybrid adhesive and bond development in a multi-step hot-pressing is discussed. Cure kinetics studied by differential scanning calorimetry indicated that adding PVAc slowed down the curing reaction of PF resin; however, the full cure of PF was not inhibited. The nth-order Borchardt Daniels (nth-BD) model provided good prediction for the curing of adhesives with a PF/PVAc ratio lower than 1:1. To simulate roll forming of wood-strand mats, a hot-pressing schedule at low temperature combined with multi-stage closing and opening was developed. The nth-BD model was able to predict the actual bond development for composites made with neat PF resin. The results indicated that cure kinetics of a PF/PVAc hybrid adhesive would not significantly differ from neat PF resin for blend ratios of 1:1 or lower, thus potentially providing a resin system for roll forming or matched-die forming of wood-strand composites.

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