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Fine grained embrittlement resistant tantalum wire

  • US 4,859,257 A
  • Filed: 10/04/1988
  • Issued: 08/22/1989
  • Est. Priority Date: 01/29/1986
  • Status: Expired due to Fees
First Claim
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1. In a wrought tantalum-based product, the improvement which comprises inclusion of about 10 to about 1000 ppm silicon in combination with about 10 to about 1000 ppm total of one or more metals in oxide form having high free energies of formation as compared with tantalum and which possess an oxide melting temperature in excess of 2400°

  • C.

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