CAJ | 학술논문

对于氦在金属中的行为特性研究,人们已经做了大量工作;但对于金属钚,这方面的工作仍然非常少.钚的自辐照效应可以在自身引入大量的空位和氦原子,这些空位及氦原子扩散、聚集,会对材料性能造成不良影响.本文采用动力学Monte Carlo(KMC)方法,分别建立了纯氦模型和空位模型,进行模拟研究,发现空位对氦泡生长速度、生长形态都有明显的影响.
대우양재금속중적행위특성연구,인문이경주료대량공작;단대우금속비,저방면적공작잉연비상소.비적자복조효응가이재자신인입대량적공위화양원자,저사공위급양원자확산、취집,회대재료성능조성불량영향.본문채용동역학Monte Carlo(KMC)방법,분별건립료순양모형화공위모형,진행모의연구,발현공위대양포생장속도、생장형태도유명현적영향.
A lct of work has been done in the study of helium behaviors in metals. But as to plutonium,little work can be found in this area. The self-irradiation effect of plutonium will introduce many vacan cies and helium atoms, and the diffusion and aggregation of those vacancies and atoms is harmful to the properties of plutonium. Using Kinetic Monte Carlo (KMC) method, we developed two models, name ly, Pure Helium Model and Vacancy Model. According to the modeling results, we proved that vacan cies have distinctive effects on the helium growth rate and morphology.