Автоматичне зварювання, 2023, №05



2023 №05 (02)

DOI of Article 10.37434/as2023.05.03

2023 №05 (04)

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Журнал «Автоматичне зварювання», № 5, 2023, с. 27-36

Матеріали і технологічні підходи до зварювання комбінованих зʼєднань між мартенситними і аустенітними сталями, які використовуються в енергомашинобудуванні (Огляд)

М.О. Німко, В.Ю. Скульський, Т.В. Іваненко

ІЕЗ ім. Є.О. Патона НАН України. 03150, м. Київ, вул. Казимира Малевича, 11. E-mail: office@paton.kiev.ua

Надано огляд недавньої зарубіжної дослідницької літератури, присвяченої вибору зварювальних матеріалів і актуальним підходам до зварювання комбінованих зʼєднань між мартенситними і аустенітними сталями, що широко застосовуються в даний момент у всьому світі і в тому числі й у вітчизняному енергомашинобудуванні. Розглянуто характерні представники мартенситних та аустенітних сталей; вказано проблеми, що виникають в зʼєднаннях різнорідних сталей при високотемпературній експлуатації, зокрема, процес дифузії вуглецю від менш легованої сталі до більш легованої та виникнення термічних напружень внаслідок різниці в коефіцієнтах термічного розширення поєднуваних сталей; описано технологічні підходи для зменшення негативного впливу вказаних вище факторів, а також наведено перспективні зварювальні матеріали, які використовуються при виготовленні таких зʼєднань, та проведено їх порівняльний аналіз. В кінці огляду приведено таблицю, в якій літературні посилання класифіковано в залежності від марки поєднуваних сталей та зварювальних матеріалів, що використовувалися при виготовленні зварних з’єднань у відповідних літературних джерелах. Бібліогр. 47, табл. 4, рис. 8.
Ключові слова: зварювальні матеріали, з’єднання різнорідних сталей, мартенситні сталі, аустенітні сталі, нікелеві сплави, дифузія вуглецю, зневуглецьований прошарок


Надійшла до редакції 12.04.2023

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