Nuclear power major projects such as CAP1400 electromagnetic valve have passed the appraisal
Ceramic blades have excellent wear and corrosion resistance, and have tougher edges that stay sharp longer than traditional steel knives. Usually made of zirconia. Due to the purity of raw materials and grain refinement, various carbide, nitride, boride and oxide additives are added to improve their properties, and at the same time, the fracture toughness of zirconia ceramic inserts is improved through the synergistic effect of particles, whiskers, and phase transformations. Microcracks and several toughening mechanisms. Not only does the flexural strength increase to 0.9-1.0GPa (up to 1.3-1.5 GPa), the fracture toughness and impact resistance are greatly improved. Therefore, it is called "ceramic steel" in various advanced ceramics.
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CAP1400 electromagnetic stop valve inspection site
Including "CAP1400 Electromagnetic Stop Valve", "CAP1400 Non-active Core Cooling System Performance Test and Validation Study", "Study of Dynamic Characteristics of CAP1400 Internal Components in Air and Still Water," "Nuclear Power Station Earthquake Monitoring System Development", The results of the "CAP1400 main control room nuclear air ejector" and other results passed the appraisal.
The appraisal committee unanimously considered that the third batch of 20 results was generally "leading domestically and reached the international advanced level", and some of the achievements had reached the "leading international standards."
(Original title: 20 major special scientific and technological achievements in our hospital passed the appraisal)