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Russian scientists used laser surface treatment technology

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  • Time of issue:2021-07-22 14:11

Russian scientists used laser surface treatment technology

2018 is the festival of fans, because the 21st Football Cup is held in Russia, the world wave every four years, is definitely a happy time this summer, when it comes to Russia, the people think of the "fighting nation", but the nickname that Russians identify with is still "polar bear".

They are unusually strong and confident, of course, in addition to excellent physical quality, strong heavy industry support is also an important reason. Today, the baby is going to talk about the "polar bear" incredible technology!

Scientists from Krasnoyarsk and Moscow have developed a surface treatment technology that makes the material more than five times harder than conventional technology steel.

 

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We know that in order to change the properties of steel, it is usually necessary to doping impurities such as silicon, manganese, vanadium, and titanium. The technology can be improved by using nanocarbon materials such as fullerenes, graphene or carbon nanotubes and surface treatment lasers to enhance the properties of steel.

 

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The Ross scientists chose carbon black as the nanomaterial, which is obtained by producing fullerenes in the arc discharge of graphite electrodes. After laser treatment, the hardness of iron coated with nanostructured carbon increased by more than five times compared to common technical steel, and the friction coefficient of the reinforced material was 20-30% lower than that of the initial sample. In addition, laser heating does not cause deformation of the product, thus reducing the process flow, as there is no need to process additional metal products.

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