Physics of Metals and MetallographyPhysics of Metals and MetallographyФизика металлов и металловедение0015-32303034-6215The Russian Academy of Sciences69555710.31857/S0015323025070115ПРОЧНОСТЬ И ПЛАСТИЧНОСТЬResearch ArticleON THE POSSIBILITY OF CREATING HEAT-RESISTANT ALUMINUM DEFORMABLE ALLOYS BASED ON THE Al–Cu–Mn–Ni SYSTEM WITHOUT THE USE OF HARDENING HEAT TREATMENTО ВОЗМОЖНОСТИ СОЗДАНИЯ ЖАРОПРОЧНЫХ АЛЮМИНИЕВЫХ ДЕФОРМИРУЕМЫХ СПЛАВОВ НА БАЗЕ СИСТЕМЫ Al–Cu–Mn–Ni БЕЗ ИСПОЛЬЗОВАНИЯ УПРОЧНЯЮЩЕЙ ТЕРМООБРАБОТКИ7006178236BelovNikolay AleksandrovichБеловНиколай Александрович
Russian Federation

Доктор технических наук, главный научный сотрудник кафедры обработки металлов давлением

nikolay-belov@yandex.ru57211963905TsydenovKirill AndreevichЦыденовКирилл Андреевич
Russian Federation

Кандидат технических наук, инженер научного проекта кафедры обработки металлов давлением

kirillcydenov@yandex.ru57216150737CherkasovStanislav OlegovichЧеркасовСтанислав Олегович
Russian Federation

Кандидат технических наук, инженер научного проекта кафедры обработки металлов давлением

ch3rkasov@gmail.comNational University of Science and Technology MISiS, Department of Metal FormingНИТУ “МИСИС”, кафедра обработки металлов давлениемNational University of Science and Technology MISiSНИТУ “МИСИС”, кафедра обработки металлов давлением30102025126783384230102025Copyright ©; 2025, Russian Academy of SciencesCopyright ©; 2025, Российская академия наук2025Russian Academy of SciencesРоссийская академия наукhttps://transsyst.ru/0015-3230/article/view/695557

The phase composition of ingots and hot-rolled sheets of alloys in the Al–Cu–Mn–Ni system, containing 6–8% Cu, 2% Mn, and up to 4% Ni (weight percent), has been analyzed. A structure for the phase diagram in the aluminum region has been proposed, which suggests that in the solid state, there are three fourphase regions that involve a solid solution based on aluminum and different intermetallic compounds. The possibility of creating heat-resistant deformable aluminum alloys, whose structure consists of an aluminum matrix with Al20Cu2Mn3 dispersoids and Al3(Cu,Ni)2 eutectic phases, has been established.

Проведен анализ фазового состава слитков и горячекатаных листов сплавов системы Al–Cu–Mn–Ni, содержащих 6–8%Cu, 2%Mn и до 4% Ni (маc.%). Предложено строение фазовой диаграммы в области алюминиевого угла, согласно которому в твердом состоянии возможно наличие 3-х четырехфазных областей с участием твердого раствора на основе алюминия и различных интерметаллидов. Обоснована возможность создания жаропрочных алюминиевых деформируемых сплавов, структура которых состоит из алюминиевой матрицы, содержащей дисперсоиды Al20Cu2Mn3, и эвтектических фаз, в частности Al3(Cu,Ni)2.

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