1台体积为50m3低压搪瓷泄料槽筒体和封头连接部位，由于搪瓷化过程产生非自由热变形区，对其应力状况进行了分析测试。经实测和理论分析证明，其应力水平在设计压力下仍处于弹性范围。经反复高温搪瓷材质性能无明显变化，少量几何变形对应力水平影响不大，仍能合于使用。%The stresses at the non-free thermal deformation zone of a 50 m3enamel vessel were tested. The deformation occurs in the joint s of the shell and the head. Based on the analysis and testing results, it can b e proved that the stress in the vessel is still at elastic state. The material p roperties are not changed after enameling process time after time. The stress le vel is not affected by little geometric deformations.
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