SYMPOSIA PAPER Published: 01 January 1984
STP32631S

Properties of Tantalum for Applications in the Chemical Process Industry

Source

A comparison of the basic properties of tantalum with other high-performance metals and alloys used in the chemical process industry (CPI) is given. It is pointed out that the electrochemically passivating oxide film that spontaneously forms on tantalum is responsible for its extraordinary performance. It is the premier example of this type of corrosion resistance and accounts for tantalum having the most effective resistance over the broadest range of acidic media conditions. The fabrication characteristics of tantalum and the variety of equipment available are described. Tantalum's performance characteristics and limitations in several CPI environments are discussed in relation to other commonly used metals.

Author Information

Hunkeler, FJ
NRC Inc., Newton, Mass.
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Details
Developed by Committee: B10
Pages: 28–49
DOI: 10.1520/STP32631S
ISBN-EB: 978-0-8031-4914-4
ISBN-13: 978-0-8031-0203-3