SEDL / STP / STP1319-EB / STP12052S

Promoted Ignition-Combustion Behavior of Alternative High Performance Engineering Alloys in Oxygen-Enriched Atmospheres

McIlroy, K
Senior Development Associate, Manager, and Development Associate, Materials Engineering Laboratory, Praxair Inc., Tonawanda, NY

Zawierucha, R
Senior Development Associate, Manager, and Development Associate, Materials Engineering Laboratory, Praxair Inc., Tonawanda, NY

Million, JF
Senior Development Associate, Manager, and Development Associate, Materials Engineering Laboratory, Praxair Inc., Tonawanda, NY

Pages: 13    Published: Jan 1997

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Abstract

Promoted ignition and more recently promoted combustion are terms which have been used to describe a situation where a substance with low oxygen compatibility ignites and supports the combustion of a more combustion resistant material. Previous work has been reported on the investigation of this phenomenon as it relates to carbon steel, stainless steels and a number of significant engineering alloys in the nickel, cobalt and copper families.

Alloys which were tested in this investigation included: AL-6XN stainless steel, 347 stainless steel, INCO A weld filler metal, HAYNES HR-160, HAYNES 214, HAYNES 230, HAYNES 556 and HAYNES ULTIMET.

These alloys represent a substantial range of alloy composition, capability and cost. Potential service environments include hazardous waste, marine, heavy industrial, electronics and various elevated temperature applications where oxygen enriched environments may be encountered.