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首页> 美国政府科技报告 >Development of a Fabrication Procedure for the MRBT Fuel Simulator Based on the Use of Cold-Pressed Boron Nitride Preforms.
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Development of a Fabrication Procedure for the MRBT Fuel Simulator Based on the Use of Cold-Pressed Boron Nitride Preforms.

机译：基于冷压氮化硼预制件的mRBT燃料模拟器制造工艺的开发。

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The Multirod Burst Test (MRBT) Program requires prompt availability of high-quality fuel simulators (FSs) to meet its program objectives (studies of Zircaloy deformation resulting from postulated PWR LOCA conditions). The FS electrically simulates the thermal behavior of the nuclear fuel. The primary FS performance requirement is uniform axial clad temperature distribution during transient conditions. This report delineates the development of a new fabrication technology for the FS. The FS design and fabrication requirements were directly related to the program performance requirements via a detailed fabrication procedure. This procedure incorporates essential methods and controls to ascertain that this critical fabrication-performance link is achieved. Key items to a successful fabrication process were found to be high-quality components, close monitoring of component tolerances, and a profound respect for attention to details during the fabrication process.

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