Method of fabricating a laminated composite material

Details Method of fabricating a laminated composite material Method of fabricating a laminated composite material

1996-10-30

1999-05-04

Mayes, Curtis

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 8911, 156 8928, 156227, 264642, 264DIG36, 264DIG57, 65 591, 228903, B32B 3118, B32B 3120, C03C 2700

Patent

active

059000970

ABSTRACT:
There is provided a method of fabricating a laminated composite material and laminated composite materials fabricated thereby wherein the method includes the initial step of forming a pre-laminate by overlaying a first layer characterized by a first thermal expansion coefficient and a first ductility parameter with a second layer characterized by a second thermal expansion coefficient and a second ductility parameter. The pre-laminate is heated to a temperature at which the first ductility parameter becomes substantially equivalent in value to the second ductility parameter. The first and second layers of the heated prelaminate are then pressed together, preferably by use of a rolling mill technique, with sufficient compression force to cause the layers to adhere one to the other, thus forming a core laminate. Preferably, the core laminate is divided, either by cutting or folding, into a plurality of divided laminate members. One of the divided laminate members is overlaid onto the other of the divided laminate members to form a laminate stack. The temperature of the laminate stack is then controlled to substantially equalize the first and second ductility parameters in each of the divided laminate members of the laminate stack. The divided laminate members of the laminate stack are then pressed together, preferably by use of a rolling mill technique.

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