| 摘要 |
<p>A process of producing seamless tubes of a nickel-titanium intermetallic compound by creating a plasma stream of ionized gasses and entraining small particles of Nitinol (99) heated to a partially molten state in the plasma stream or by creating molten nickel-titanium intermetallics with an electric arc that burns between two Nitinol wires in an argon gas stream, which atomizes the liquid nickel-titanium intermetallic, compound and creates a stream of molten droplets and particles, wherein the stream of particles is directed toward and impacted against a mandrel (85) and deposits a tubular layer on the mandrel. The mandrel is removed from the interior of the tubular layer, leaving a seamless nickel-titanium tube or other hollow structures, the shape of which is defined by the shape of the mandrel. For example, if the mandrel is tubular or rod-like mandrel, a tubular layer of Nitinol is deposited on the mandrel, and when the mandrel is removed from the interior of the tubular layer of Nitinol, a seamless Nitinol tube is left.</p> |
