Russian chemists have developed a new class of hybrid powder materials that could help prolong the service life of vehicle and machinery parts.
According to the researchers from Far Eastern Federal University (FEFU) and the Far Eastern Branch of the Russian Academy of Sciences (FEB RAS), these materials based on natural layered silicates decrease the friction ratio in metals sevenfold.
One of the materials was obtained from nontronite silicate isolated from Popov Island in the vicinity of Vladivostok and modified with alkaline rice husk hydrolysate.
Experiments have shown that this powder reduces the deterioration of friction pairs 2.5 to 7 times.
Another material based on vermiculite from Karelia and modified with regular cellulose reduced the friction ratio by 1.6 times.
“Tests have demonstrated that the new materials have good anti-friction properties,” intoned Alexander Panasenko, a senior research associate of the Institute of Chemistry, FED RAS.
“There are complex composite materials with better results, but the advantages of our developments are available sources of materials, simple technology.”
Panasenko adds that these materials possess high heat stability which favorably distinguishes them from Teflon.
Roman Savin, FEFU press office