Jointing Ti-A1 alloy member and structural steel member
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United States of America Patent
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Nov 12, 1991
Grant Date -
N/A
app pub date -
Nov 8, 1989
filing date -
Nov 11, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a method of jointing a member of Ti-Al alloy which mainly consists of an intermetallic compound, TiAl, and a member of structural steel. The jointing uses an intermediate member made of an austenitic stainless steel or a heat resistant steel, or a Ni-based or Co-based superalloy, between the above two members, and the jointing of the intermediate member and the structural steel member at least is carried out by friction welding. A typical example of the jointed machine part manufactured by this method is an engine valve.
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