强流脉冲离子轰击薄剥离靶寿命的计算
Calculation of The Lifetimes of Thin Stripper Targets Under Bombardment of Intense Pulsed Ions
摘要：
研究了非稳态强流粒子束中剥离靶的行为问题。介绍了离子轰击下碳靶辐射损伤失效研究的历史概况。建立了强流脉冲束蒸发靶的简单模型。剥离箔在强流非定常粒子中的寿命可以用两种失效机制来描述：辐射损伤累积和靶蒸发。在低于2500 K的最高温度下，辐射损伤占主导地位;在高于2500 K的温度下，箔的蒸发机制占主导地位。所提出的方法已被应用到描述的行为剥离箔在BNL直线加速器和SNS条件。
英文摘要：
The problems of stripper target behavior in the nonstationary intense particle beams are considered. The historical sketch of studying of radiation damage failure of carbon targets under ion bombardment is presented. The simple model of evaporation of a target by an intensive pulsing beam is supposed. Stripper foils lifetimes in the nonstationary intense particle can be described by two failure mechanisms: radiation damage accumulation and evaporation of target. At the maximal temperatures less than 2500K the radiation damage are dominated; at temperatures above 2500K the mechanism of evaporation of a foil prevails. The proposed approach has been applied to the discription of behaviour of stripper foils in the BNL linac and SNS conditions.
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