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在Ａｇ－Ｃｕ合金中加入１５％～３０％Ｔｉ，通过实验发现，Ｔｉ使合金晶粒细化，强度和硬度有很大提高，而延伸率急剧下降
The addition of 15% ~ 30% Ti to Ag-Cu alloy has been found by experiments that the grain size of the alloy is refined, the strength and hardness are greatly increased, and the elongation is sharply decreased