Effects of primary recoil (PKA) energy spectrum on radiation damage in fcc metals
Effects of primary recoil (PKA) energy spectrum on radiation damage in fcc metals
复制标题
初级反冲（PKA）能谱对面心立方金属辐射损伤的影响
DOI：
10.1080/10420159808229669
复制
发表时间：
1998
影响因子：
1
通讯作者：
A. Iwase
中科院分区：
文献类型：
--
作者：
T. Iwata;A. Iwase
摘要 比较了不同高能粒子（如电子、各种离子和中子）对面心立方金属（特别是铜和镍）的辐照效应。从统计角度考虑，所谓的 PKA 中值能量的对数 log T 1/2 是表征初级反冲（即 PKA）能谱及其产生的缺陷的良好代表。对于电子、各种离子和中子对 Cu 和 Ni 的辐照，如果排除由辐照离子引起的电子激发的影响，则基本物理量（例如第一阶段恢复分数、归一化缺陷产生截面和归一化辐射退火截面）可以很好地缩放为 log T 1/2 的函数。 （这里，实验横截面用从NRT模型获得的计算横截面进行归一化。）即，各个物理量的所有数据都位于作为log T 1/2 的函数的单个连续曲线上。这...
Abstract Irradiation effects by different energetic particles such as electrons, various ions and neutrons are compared in fcc metals, particularly in Cu and Ni. It is discussed on the statistical consideration that the logarithm of the so-called PKA median energy, log T 1/2, is a good representative to characterize the primary recoil (i.e. PKA) energy spectrum with the resultant defect production. For the irradiations of electrons, various ions and neutrons to Cu and Ni, fundamental physical quantities such as the fraction of stage I recovery, the normalized defect production cross sections and the normalized radiation annealing cross sections can be well scaled as a function of log T 1/2, if the effects of the electron excitation caused by irradiating ions are excluded. (Here, the experimental cross sections are normalized with the calculated cross sections obtained from the NRT model.) Namely, all data of the respective physical quantity lie on a single continuous curve as a function of log T 1/2. This...