Russia Has Developed Aluminum Alloys That Can Withstand 400°C
Researchers from the Russian National University of Science and Technology (NUSTMISIS) and Russian scientists have created a cheap aluminum alloy that can withstand temperatures 100 to 150°C higher than its similar kinds. The scientists responsible for this creation claim that this material will greatly reduce the weight and carbon footprint of new railway vehicles, airplanes and other machinery. Their research has been published in the Alloys and Compounds magazine.
Aluminum and most aluminum-based alloys have good corrosion resistance in almost all environments: atmosphere, sea water, fresh water, many chemical solutions and most foods. Aluminum is widely used in aircraft, automobiles, electronics and other industries due to the above characteristics and its low specific gravity, good thermal and electrical conductivity.
Scientists say that aluminum alloy wires can effectively replace the expensive and heavy copper-based conductors used today. Its use in airplanes, high-speed railway vehicles and other equipment will reduce their weights and sizes, thereby ensuring significant fuel savings and reducing harmful emissions to the atmosphere. However, according to NUSTMISIS, today's methods of producing this alloy and its elemental basis are extremely expensive and labor-intensive.
University experts proposed a new structure of aluminum-based alloy and the technology for using it to produce wires. According to the creator, this material differs from similar materials due to its relatively low costs, easy production and several unique physical properties.
"Our material has a thermally stable structure that can withstand temperatures up to 400°C. All known aluminum alloys will be softened at temperatures between 250 and 300°C. Our alloys including copper (Cu), manganese (Mn) ) and zirconium (Zr) have a unique combination of conductivity, strength and heat resistance", pointed out by Torgom Akopyan, a senior researcher at NUSTMISIS Metal Forming Department.
According to the research, one of the key features of this new alloy is that approximately 10% of its volume is composed of special nanoparticles containing zirconium and manganese, which are uniformly dispersed in an aluminum matrix. The alloy is manufactured with an electromagnetic crystallizer using ElmaCast technology developed by RPC Magnetohydrodynamics Company (Krasnoyarsk). With the participation of experts from the NRC "Kurchatov Institute", subsequent deformation, heat treatment and analysis were carried out. In the future, the scientific team plans to continue to work on optimizing the chemical composition and processing new materials.
Aluminum and most aluminum-based alloys have good corrosion resistance in almost all environments: atmosphere, sea water, fresh water, many chemical solutions and most foods. Aluminum is widely used in aircraft, automobiles, electronics and other industries due to the above characteristics and its low specific gravity, good thermal and electrical conductivity.
Scientists say that aluminum alloy wires can effectively replace the expensive and heavy copper-based conductors used today. Its use in airplanes, high-speed railway vehicles and other equipment will reduce their weights and sizes, thereby ensuring significant fuel savings and reducing harmful emissions to the atmosphere. However, according to NUSTMISIS, today's methods of producing this alloy and its elemental basis are extremely expensive and labor-intensive.
University experts proposed a new structure of aluminum-based alloy and the technology for using it to produce wires. According to the creator, this material differs from similar materials due to its relatively low costs, easy production and several unique physical properties.
"Our material has a thermally stable structure that can withstand temperatures up to 400°C. All known aluminum alloys will be softened at temperatures between 250 and 300°C. Our alloys including copper (Cu), manganese (Mn) ) and zirconium (Zr) have a unique combination of conductivity, strength and heat resistance", pointed out by Torgom Akopyan, a senior researcher at NUSTMISIS Metal Forming Department.
According to the research, one of the key features of this new alloy is that approximately 10% of its volume is composed of special nanoparticles containing zirconium and manganese, which are uniformly dispersed in an aluminum matrix. The alloy is manufactured with an electromagnetic crystallizer using ElmaCast technology developed by RPC Magnetohydrodynamics Company (Krasnoyarsk). With the participation of experts from the NRC "Kurchatov Institute", subsequent deformation, heat treatment and analysis were carried out. In the future, the scientific team plans to continue to work on optimizing the chemical composition and processing new materials.
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