Percent shear fracture appearance is an important factor to evaluate neutron irradiation embrittlement of nuclear pressure vessel steel.
在核压力容器钢的中子辐照脆化评价中，断口剪切面积百分比是一个重要的参数。
2
Nonequilibrium statistical method is used to study the helium embrittlement of metals under neutron irradiation and high temperature.
用非平衡态统计物理方法研究在高温与中子辐照的环境中金属材料的氦脆化。
3
The results show that neutron radiation embrittlement, corrosion damage, fatigue and wear are the key issues which cause aging or degradation of un replaceable or difficultly replaceable components.