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Article
Phosphate Ceramics as a Multifunctional Grease Additive
The preparation and application of polymeric double metaphosphate [NaMn(PO3)3]∞ as an antifriction, antiwear, and antiscuffing additive introduced as a thin ceramic into TsIATIM-201 and LZ-TsNII greases are consi...
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Article
Inorganic Polymer Additive for Grease Lubricants
In this paper we present the results of the use of magnesium phosphorus molybdate (Mg(PO3)2–MoO3) additive to improve the tribotechnical characteristics of TsIATIM-201 and LZ-TsNII plastic railway greases. The st...
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Article
Improving Lubricants by Adding Inorganic Polymers
The addition of zinc phosphate tungstate to TsIATIM-201(Ciatim-201) and LZ-TsNII lubricants to improve their performance is considered. The addition of 2Zn(PO3)2.4WO3 to the dispersion medium of these lubricants ...
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Article
Effect of Phosphomolybdates on the Tribological Characteristics of Lubricants
Abstract—The paper presents the results of studies on how the structure and physicochemical properties of polymer inorganic phosphorus-containing additives influence model lubricant bases (glycerol, liquid paraff...
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Article
Mechanism of lubricating action of polyphosphate and heteropolyphosphate additives in tribosystems
The phase diagrams of the Zn(PO3)2–Ca(PO3)2 and Zn(PO3)2–Ni(PO3)2 systems were studied, and the double phosphates CaZn(PO3)4 and NiZn(PO3)4 were allocated. The anions of these compounds are chain polyphosphates w...
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Article
Properties of Puma and Buksol lubricants modified by inorganic additives of binary polyphosphates
Results of investigations of tribotechnical and physicochemical properties of plastic lubricants, which are based on Puma and Buksol and used in heavy duty friction units of railway equipment, are presented. T...
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Article
Synthesis and study of triboengineering characteristics of a new nanosize ceramic nickel phosphoromolybdate additive to greases
The work is devoted to investigation of the mechanism of secondary surface structures formed at the nanolevel and their study during frictional contact between solids separated by a lubricant film containing n...
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Article
Adsorption of heteropolyphosphates of alkaline metals on iron surface
The physical and chemical properties of heteropolyphosphates of alkaline metals are studied as promising antiwear and antiscoring additives to plastic lubricating materials. Quantum-chemical analysis of the in...
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Article
Improvement of the triboengineering and physicochemical properties of Puma lubricating compositions with lithium molybdophosphate additive
The paper deals with the results of investigation of the physicochemical and triboengineering properties of Puma lubricating compositions used to grease rails and flanges and the same composition modified by t...
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Article
Investigation of the triboengineering characteristics of plastic railway greases with inorganic polymeric additives
It is proposed to use certain inorganic polymeric phosphates as antiwear and antiscoring additives in plastic greases in heavily loaded units of railway rolling stock. Introduction of sodium molybdophosphate i...
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Article
Analytical technique for predicting the value of micropolar lubrication criteria providing stable operation of a radial slide bearing
An analytical technique is proposed for forecasting the values of the dimensionless micropolar lubricant criteria providing a stable operation mode of a radial bearing. On the basis of the analytical relations...
