辐照肿胀

合金添加剂Si和Ti对316不锈钢辐照肿胀作用的研究

The effect of alloy additive Si and Ti on radiation swelling of stainless steel

在580°C左右实验观察到辐照肿胀峰，在21和33dpa辐照剂量下相应的空位团分别由14和19个空位组成，尺度分别为0.68和0.82nm。

A radiation swelling peak was observed at ~ 580 ℃ where the vacancy cluster contains 14 and 19 vacancies and has an average diameter of 0.68 and 0.82 nm , respectively for the 21 and 33 dpa irradiations .

U3Si2Al弥散型燃料的辐照肿胀研究

Study on the Irradiation Swelling of U_3Si_2-Al Dispersion Fuel

通过虚拟温升的方法来模拟颗粒的辐照肿胀行为。

A virtual temperature increment is applied to the particles to simulate the irradiation-induced swelling .

研究结果表明：燃料相的肿胀引起燃料颗粒和金属基体之间的力学相互作用，金属基体能抑制燃料颗粒的辐照肿胀。

The swelling in the fuel phase causes the interaction between fuel particles and metal matrix , and the metal matrix can restrain the irradiation swelling of fuel particles .

辐照材料的肿胀理论（Ⅱ）偏吸率与肿胀公式

A theory of swelling due to void growth in irradiated materials (ⅱ) bias factor and swelling formula

给出了辐照密实、肿胀、裂变气体释放率和瞬时释放表达式。

The formulas for radiation densification , swelling , fission gas release rate and transient release are given .

叙述了核电用奥氏体不锈钢辐照模拟研究中，不同辐照粒子的辐照参数对合金元素偏析的影响，并就离子辐照模拟后的辐照肿胀、微结构变化和相关理论计算展开讨论。

This paper compares the effect of irradiation parameters on segregation in austenitic stainless steels with different kinds of particles in irradiation simulating research . The swelling , microstructure evolution and theoretical calculation after ion irradiation are also discussed .