Abstract
Reactive sintering of rolled compacts consisting of elemental iron and aluminium powders has been studied. The results demonstrate that the addition of nickel can inhibit the swelling of sintered iron and aluminium powder compacts and promote densification of the sintered samples. Reactive sintering of rolled compacts of the powder mixture is an efficient method of obtaining high final densities (> 99% theoretical). Reactive sintering produces a two phase structure. It was found that where pores exist, they are formed in the intermetallic Fe 3 Al compound phase and that these pores largely disappear when nickel is added
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