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2020 №11 (03) DOI of Article
10.37434/as2020.11.04
2020 №11 (05)

Автоматичне зварювання 2020 #11
Журнал «Автоматичне зварювання», № 11, 2020, с. 20-26

Метал швів: удосконалення методу оцінки остаточних напружень за допомогою нейтронної дифракції

M. Rogante
Rogante Engineering Office, Contrada San Michele n. 61, 62012 Civitanova Marche, Italy. E-mail: main@roganteengineering.it

Процеси зварювання часто включають дуже високі градієнти температури, які можуть спричинити підвищені залишкові напруження (ЗН). Тому важливо оцінювати величину ЗН, особливо шляхом їх експериментального визначення, наприклад до і після теплових обробок. Методи нейтронного пучка в цілому сприяють вирішенню важливих питань та проблем, пов’язаних із методологічними обмеженнями систем аналізу, які зазвичай використовуються. Вони забезпечують конкретну та фундаментальну допомогу для оптимізації промислового процесу та підвищення його продуктивності. Зокрема, нейтронна дифракція є потужним інструментом для неруйнівної та неінвазивної оцінки ЗН у матеріалах та компонентах, що представляють технологічний інтерес. У цій роботі наводяться основні теоретичні аспекти та деякі приклади щодо можливого визначення ЗН за допомогою нейтронної дифракції в різних видах зварних конструкцій. Бібліогр. 39, рис. 7.
Ключові слова: залишкові напруження, дифракція нейтронів, зварні з’єднання, передові методи досліджень Надійшла до редакції


Надійшла до редакції 05.11.2020

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