SiC 层是高温气冷堆包覆燃料颗粒复合包覆层的关键组元,其物理机械性能对高温气冷堆的安全特性有重要影响。SiC 层的强度具有统计分布的性质,受材料性质、试件尺寸形状和受力状态的影响。SiC 构件的设计许用应力决定于 SiC 强度分布特...SiC 层是高温气冷堆包覆燃料颗粒复合包覆层的关键组元,其物理机械性能对高温气冷堆的安全特性有重要影响。SiC 层的强度具有统计分布的性质,受材料性质、试件尺寸形状和受力状态的影响。SiC 构件的设计许用应力决定于 SiC 强度分布特性和允许破损率。本文介绍用压环法测定的强度值计算球形 SiC 壳层应力的方法,并以五种不同强度分布特性的 SiC 为例,计算出在不同允许破损率下的许用应力。展开更多
The HTR Fuel Element R & D Program,set in 1987,aims to develop the manufacturetechnology of HTR fuel element and to produce the fuel element for the first core of our 10MW experimental reactor.Now the work on labo...The HTR Fuel Element R & D Program,set in 1987,aims to develop the manufacturetechnology of HTR fuel element and to produce the fuel element for the first core of our 10MW experimental reactor.Now the work on laboratory scale is phased out.In this paper,the fuel element manufacture technology is described and the test results are given.展开更多
文摘SiC 层是高温气冷堆包覆燃料颗粒复合包覆层的关键组元,其物理机械性能对高温气冷堆的安全特性有重要影响。SiC 层的强度具有统计分布的性质,受材料性质、试件尺寸形状和受力状态的影响。SiC 构件的设计许用应力决定于 SiC 强度分布特性和允许破损率。本文介绍用压环法测定的强度值计算球形 SiC 壳层应力的方法,并以五种不同强度分布特性的 SiC 为例,计算出在不同允许破损率下的许用应力。
基金the High Technology Research and Development Programme of china
文摘The HTR Fuel Element R & D Program,set in 1987,aims to develop the manufacturetechnology of HTR fuel element and to produce the fuel element for the first core of our 10MW experimental reactor.Now the work on laboratory scale is phased out.In this paper,the fuel element manufacture technology is described and the test results are given.