SYMPOSIA PAPER Published: 01 January 1979

Application of Superalloys in Internal Combustion Engine Exhaust Valves


The high-temperature and pressure conditions in some spark-ignited and heavy-duty diesel engines have necessitated the application of superalloy exhaust valve materials to meet long-term durability requirements. This penetration of superalloys is because of their excellent tensile, creep, and fatigue strengths, in combination with adequate oxidation resistance and forgeability. These attributes of the superalloys are discussed in conjunction with problems associated with manufacturing and alloy limitations. A strong emphasis is placed on field requirements versus material capabilities.

Author Information

Larson, JM
Eaton Corporation, Battle Creek, Mich.
Jenkins, LF
Eaton Corporation, Battle Creek, Mich.
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Developed by Committee: E04
Pages: 578–600
DOI: 10.1520/STP36891S
ISBN-EB: 978-0-8031-4742-3
ISBN-13: 978-0-8031-0517-1