Vibration damping material

Details Vibration damping material Vibration damping material

1992-05-20

1994-04-05

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

2482065, 248634, 428213, 428220, 428329, 428332, 428337, 428461, 428462, 428463, 428492, 428494, 428688, 428689, 428900, B32B 1518

Patent

active

053003551

ABSTRACT:
In order to provide a damping material exhibiting an excellent vibration damping property in a wide temperature range, according to the present invention, in a magnetic composite type damping material constructed by bonding an adhesive elastic sheet containing magnetic powder to a constraining plate such as a metal plate by using an adhesive, the adhesive elastic sheet is made of a composite material consisting of rubber elastomer, adhesive resin, plasticizer, magnetic powder, etc.
Since not only is the damping material having a construction described above attracted by magnetic force against a vibration source, it also is provided with a superficial adhesiveness, and the excellent vibration damping property is exhibited in a wide temperature range by a synergistic effect of the magnetic force and the adhering force.

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