首页> 外文期刊>Journal of Materials Engineering and Performance >Application of Positron Annihilation Spectroscopy to Study the Recovery of Commercial Pure Al and Al-0.96 wt. percent Si Alloys
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Application of Positron Annihilation Spectroscopy to Study the Recovery of Commercial Pure Al and Al-0.96 wt. percent Si Alloys

机译:正电子An没光谱法在研究纯铝和0.96 wt。百分比硅合金

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摘要

Isochronal annealing of quenched commercial pure Al (99.95 percent) and Al-0.96 wt. percent Si was investigated between room temperature (RT)and 550 deg C. the annealing of defects was studied using positron lifetime and Doppler broadening (DB) techniques. The retardation of annealing defects in the two alloys is interpreted in terms of precipitation of impurities and Si atoms, as well as defect properties (size and concentration) in the framework of the two state trapping model.
机译:淬火的商品纯Al(99.95%)和Al-0.96 wt。在室温(RT)和550摄氏度之间研究了60%的Si。使用正电子寿命和多普勒展宽(DB)技术研究了缺陷的退火。两种合金中退火缺陷的延迟是根据杂质和Si原子的沉淀以及两种状态俘获模型框架中的缺陷性质(尺寸和浓度)来解释的。

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