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测量了电子/原子比 e/a 不同的 Cu-Zn-Al 合金的正电子湮没 Doppler 展宽能谱 S 线形参数,表明在 Cu-Zn-Al 合金中电子/原子比 e/a 越大,保留的淬火空位浓度越高。
The positron annihilation Doppler broadening spectrum S-line parameters of Cu / Zn-Al alloys with different electron / atomic ratios e / a were measured. It is shown that the larger the electron / atomic ratio e / Quench the higher the vacancy concentration.