| 摘要 |
An equestrian bit is manufactured with a nickel-free alloy containing copper in the range of 85-90 wt %, aluminum in the range of 8-11 wt %, and ferrite in the range of 2-4 wt %. The bit has mechanical strength comparable to prior-art components built with copper alloys containing nickel and is more readily accepted by horses because of its high-copper and nickel-free composition. The preferred composition of the alloy is approximately 88 wt % copper, 10 wt % aluminum, and 2 wt % ferrite.
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