Підводне зварювання елементів АЕС з високолегованих корозійностійких сталей
Repair of NPP structures and components is related to the risk of personnel radiation exposure. The use of water as a physical barrier against radiation allows increasing time for taking relevant efforts. This makes the production of materials for wet underwater welding of stainless steel a promisin...
Збережено в:
| Дата: | 2014 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | Ukrainian |
| Опубліковано: |
State Scientific and Technical Center for Nuclear and Radiation Safety
2014
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| Онлайн доступ: | https://nuclear-journal.com/index.php/journal/article/view/368 |
| Теги: |
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| Назва журналу: | Nuclear and Radiation Safety |
Репозитарії
Nuclear and Radiation Safety| Резюме: | Repair of NPP structures and components is related to the risk of personnel radiation exposure. The use of water as a physical barrier against radiation allows increasing time for taking relevant efforts. This makes the production of materials for wet underwater welding of stainless steel a promising issue. Considering major experience in using mechanized welding at the Paton Electric Welding Institute (NAS of Ukraine), a self-shielded flux-cored wire is developed for welding of stainless steel. It allows welding of butt joints, angle and overlap joints in the flat position and at vertical plane of 18-10 type steels (AISI 304L, 308L, 347 and 321). Mechanical properties of weld metal meet requirements for the welds performed in the air. The use of self-shielded flux-cored wire opens the prospect to automate welding process and prevent participation of personnel in extremely hazardous conditions. |
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