high yield strength materials can be fabricated by many techniques a method proposed by koehler is to alternate thin layers of a high shear modulus material with that of a low shear modulus material. the layers must be less than one hundred atomic layers in thickness and be single crystals of similar lattice spacing epitaxially grown on top of each other. the mechanical effect would be to inhibit dislocation formation and mobility of dislocations through the solid as such, the stress required to move a dislocation through the laminate can be on the order of 1 of the lower modulus material. a novel technique has been developed to produce a laminate of al-al/sub x/o/sub y/ by a pulsed gas process (pgp) in an electron beam gun system. samples of 25 micrometers and thicker have been readily produced. the surface finish of the growing deposit appears to remain as smooth as the glass substrate. the tensile testing data show the material to obey a hall-petch relation for yield strengths of layer spacings of 50nm to 1200nm. the friction stress was measured directly from a pure vapor deposited sample at 27mpa. the k value was found to be .086 mn/m exp 3 /2. these results could also be interpreted in terms of a sub-grain strengthening concept. (era citation 03:043335)