Composite material for vibration damping and structural sound da

Details Composite material for vibration damping and structural sound da Composite material for vibration damping and structural sound da

1989-03-06

1990-07-17

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428213, 428457, B32B 702, B32B 1508

Patent

active

049420801

ABSTRACT:
To extend the temperature range of composite materials the composite material is made up of more than two hard layers which are joined with thin intermediate layers of viscoelastic material where one intermediate layer differs from another intermediate layer in that its softening range lies in a different temperature range so that the damping ranges of the intermediate layers also are different.

REFERENCES:
patent: 4223073 (1980-09-01), Caldwell et al.
patent: 4599261 (1986-07-01), Hart et al.
patent: 4717624 (1988-01-01), Ikenaga et al.
patent: 4756970 (1988-07-01), Brandyberry et al.
patent: 4849293 (1989-07-01), Koga et al.

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