Modification of the surface of copper alloys with aluminum in the conditions of self-propagating high-temperature synthesis

• Дата: 2023
• Автори: Sereda, B., Kryhliyak, I., Sereda, D., Kryhliyak, D.
• Формат: Стаття
• Мова: English
• Опубліковано: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2023
• Назва видання: Problems of Atomic Science and Technology
• Теми: Physics of radiation and ion-plasma technologies
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/196108
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Modification of the surface of copper alloys with aluminum in the conditions of self-propagating high-temperature synthesis / B. Sereda, I. Kryhliyak, D. Sereda, D. Kryhliyak // Problems of Atomic Science and Technology. — 2023. — № 2. — С. 130-133. — Бібліогр.: 15 назв. — англ.

The influence of the technological parameters of the SHS process (temperature, holding time and alloying of B, Cr, Ti) on the corrosion resistance of brass with a surface alite layer, which effectively resists β-radiation, was studied. The research was carried out in 30% aqueous solutions of HNO₃, HCl, H₂SO₄. Aluminized coatings doped with silicon, which are obtained under optimal parameters, have 1.7-2.1 times higher corrosion resistance than doped B and Ti. Alloyed coatings have phases CuSi, CuAl, CuAl₂, CuTi, Ti₂Cu₃, CuCr, Cu₃Al, Cu₂Al, Al₃Si, and α-phase doped with Cr, Al, Si, B, Ti. When tested in a 30% aqueous solution of nitric acid, the coating doped with titanium and silicon shows a weight loss of 32 and 37 g/m², respectively.