The results are reported of a laboratory investigation aimed at developing a method of recovering machining scrap from zirconium alloys by powder-metallurgy methods. Observations made during the crushing, and sintering of the hydride are described. The mechanical properties obtained before and after heat-treatment are reviewed, together with the resistance to corrosion by carbon dioxide of these alloys at 700°C. In general, the properties of the dense sintered parts arecomparable with those of cast parts, quite apart from the hardening influence of the oxygen content.
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