Fe-p based copper alloy sheet excellent in strength, heat resistance and bending processibility
A technology of bending workability and copper alloy plate, applied in the direction of metal rolling, etc., can solve the problem of unresearched punchability, etc., and achieve the effect of excellent adhesion
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[0024] Hereinafter, the Fe—P-based copper alloy sheet of the present invention will be described more specifically.
[0025] (Chemical Composition of Fe-P Copper Alloy)
[0026] Fe contributes to the improvement of the strength and heat resistance of the Fe—P-based copper alloy sheet, and also has the effect of suppressing grain growth during hot rolling or recrystallization heat treatment. When the content of Fe is less than 1.6% by mass, the above effects are insufficient. On the other hand, if the Fe content is higher than 2.6% by mass, coarse Fe particles (a few μm or more in diameter) will be generated due to phase separation and crystallization during melting and casting, and the plating and etching properties will be reduced. Therefore, the content of Fe is 1.6 to 2.6% by mass, the lower limit is preferably 1.7% by mass, more preferably 1.8% by mass, and the upper limit is preferably 2.5% by mass, more preferably 2.4% by mass.
[0027] In addition to being helpful as ...
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