1974-02-01

Performance of Heat-Resistant Alloys in Emission-Control Systems 740093

ABSTRACT

An extensive program has been established to screen and evaluate heat- and corrosion-resistant alloys that may have some potential application in emission-control systems anywhere from the exhaust manifold to the tailpipe. The various phases of this program, which include tests conducted in air and controlled exhaust atmospheres at temperatures between 1300-2200°F are described.

Some selected test data and the results of metallographic studies are presented to illustrate how representative alloys react to the various test conditions.

The characteristics and functions of the basic emission-control devices are reviewed in light of their effect upon materials requirements.

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