根据亨利定律,建立了B4C/Al中子吸收板包壳腐蚀起泡的模型,计算了孔隙半径、温度对起泡的影响,并利用孔隙毛细管效应分析了孔隙对中子吸收板起泡的影响.结果表明:孔隙半径越小,腐蚀产生的氢气压力越大,B4C/Al中子吸收板包壳更易起泡;温度对腐蚀产生的氢气压力影响非常小,而孔隙半径是影响氢气压力的主要因素;氢气持续产生并在孔隙毛细管中积聚,是包壳产生起泡的动力;水分容易通过孔隙毛细管在B4C/Al芯体中扩散,可导致Al腐蚀,引起包壳起泡.
参考文献
| [1] | 李刚,简敏,王美玲,王贯春,刘晓珍.反应堆乏燃料贮运用中子吸收材料的研究进展[J].材料导报,2011(13):110-113,129. |
| [2] | Electric Power Research Institute .Handbook of Neutron Absorber Materials for Spent Nuclear Fuel Transportation and Storage Applications,1019110[R].Palo Alto CA:U S EPRI,2009. |
| [3] | Electric Power Research Institute .BORALTM Behavior under Simulated Cask Vacuum Drying:Part2 Test Results,1009696[R].Palo Alto,CA:EPRI and AAR Manufacturing,2004. |
| [4] | Electric Power Research Institute .BORAL Behavior Simulated Cask Vacuum Drying Conditions,1008441[R].Pa1o Alto,CA:EPRI and ENRESA,2003. |
| [5] | Electric Power Research Institute .Experimental characterization of BORAL Pore Size and Volume Distributions,1021051[R].Palo Alto,CA:EPRI,2010. |
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