| 摘要 |
TO PROVIDE WEAR RESISTANCE SYNCHRONIZER-RING MADE OF COPPER ALLOY FOR AN AUTOMATIC TRANSMISSION. THE COPPER ALLOY COMPOSITION COMPRISES. ZN: 20 TO 40 WEIGHT , A1: 2 TO 11 WEIGHT , AT LEAST ONE ELEMENT ELEMENT FROM A GROUP CONSISTING OF FE, NI, AND CO: 1 TO 5 WEIGHT , TI: 0.1 TO 4 WEIGHT , MN: 0.02 TO 0.08 WEIGHT , AND FURTHER AS OCCASION DEMANDS, MG: 0.01 TO 0.5 WEIGHT , AND CU ACCOMPANIED BY UNAVOIDABLE IMPURITIES: BALANCE.FIGURE 1
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