Abstract
IntroductionThe high voltage electron microscope (HVEM) is a method useful for simulating the effects of fusion and fission reactor and has the advantage that direct observation can be made of the void and other defects of the specimen during irradiation. Also, the determination of the conditions under which voids can be nucleated and grown by electron irradiation ought to be helpful in separating the effects of the various parameters involved. This paper presents the effects of aging on void formation in Cu-Fe alloy during irradiation in the HVEM.Experimental ProcedureAlloy was quenched into water from 1263 K and aged at 973 K for 1 hr, 4hrs and 4 days. Electron irradiation was performed at 523 K by using a 650 kV HVEM in a flux of 3xl023e/m2 (9xl0-4 displacement/atom/s). The foil plane was a (110). For comparison with the alloy, pure Cu also irradiated under the same dcondition.
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