Method for alleviating thermal stress damage in laminates

Details Method for alleviating thermal stress damage in laminates Method for alleviating thermal stress damage in laminates

1980-02-20

1981-05-19

Weidenfeld, Gil

Metal fusion bonding

Process

Using bond inhibiting separating material

228190, B23K 2002

Patent

active

042679532

ABSTRACT:
A method is provided for alleviating the stress damage in metallic matrix composites, such as laminated sheet or foil composites, wherein non-intersecting discrete discontinuities are positively introduced into the interface between the layers so as to reduce the thermal stress produced by unequal expansion of the materials making up the composite. The discontinuities are preferably produced by drilling holes in the metallic matrix layer. However, a plurality of discrete elements may be used between the layers to carry out this purpose.

REFERENCES:
patent: 2982012 (1961-05-01), Wilkins et al.
patent: 3200489 (1965-08-01), Keeleric
patent: 3228104 (1966-01-01), Emeis
patent: 3284176 (1966-11-01), Reed et al.
patent: 4211354 (1980-07-01), Hoffman et al.

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