The structural analysis of a light-weight aluminum foam core mirror

Details The structural analysis of a light-weight aluminum foam core mirror The structural analysis of a light-weight aluminum foam core mirror

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987spie..748..180p&link_type=abstract

IN: Structural mechanics of optical systems II; Proceedings of the Meeting, Los Angeles, CA, Jan. 13-15, 1987 (A88-34486 13-74).

Computer Science

Performance

Aluminum, Low Density Materials, Metal Foams, Mirrors, Structural Analysis, Weight Reduction, Circular Cylinders, Cost Reduction, Modulus Of Elasticity, Residual Stress, Stiffness Matrix

Scientific paper

A high sensitivity of optical performance to foam core mechanical properties is indicated by the results obtained by the present NASTRAN code FEM analysis of a novel, aluminum foamcore sandwich structure reflecting telescope mirror. The material properties of the foam are such that the conventional isotropic relationship between shear modulus, Young's modulus, and Poisson's ratio does not apply. Material testing of the foam is required to establish the coefficients of the constitutive matrix.

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