Near-net-shape Engine Methods Emerge
Evendale, Ohio—Five years ago cobalt was readily available for $3/lb. and there was little anxiety over its future price and availability. Today, the producer price of cobalt is $ 18/lb. and is expected to rise to $20/lb. by next year. The spot price for cobalt already has reached $35/lb. and the political instability in Zaire’s Shaba province, where more than one-third of the world’s cobalt is produced, puts the supply of this critical aerospace metal in a potentially severe shortage situation (AW&ST May 29, p. 22).
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