Abstract
The impact of such organic fibers as Lola, Oxalon and Tanlon on the tribotechnical properties of phenylone aromatic polyamide is considered in the article. It was found that the most intensive improvement of tribotechnical properties of initial polymer, reduce in the intensity of linear wear and friction coefficient 1,8 - 6,5 and 1,7 - 2,3 times is observed for the composites reinforced with organic Lola and Oxalon fibers. The obtained results are due to the introduction of Lola and Oxalon fibers that leads to the formation of new structural elements – fibrils which give improved complex of tribotechnical properties to composites. The use of Tanlon fiber as a filler for formation of organoplastics of tribotechnical purpose leads to modest improvement of the intensity of linear wear and friction coefficient (on average by 20 %) that is due to the proximity of structure of binder and filler
Highlights
Polymer composite materials (PCM) which are reinforced with mineral fillers are among the most widespread polymer materials of tribotechnical purpose [1]
Taking into account the above, the target of the work was in the researches on the impact of organic fibers on the intensity of linear wear and friction coefficient of C-1 phenylone aromatic polyamide
It is found that the roughness of the surface for organoplastics reinforced with Lola (Rа = 0,22 mcm) and Oxalon (Rа = 0,27 mcm) fibers is lower by 50 % in comparison with phenylone (Ra = 0,56 mcm) that is due to the increase in the strength of OP
Summary
Polymer composite materials (PCM) (including the ones that are based on aromatic polyamides) which are reinforced with mineral fillers (graphite, disulfide, molybdenum, sulfur molybdenum) are among the most widespread polymer materials of tribotechnical purpose [1]. Valuable complex of technological and operational properties provides their intensive usage in agricultural and automotive equipment, heavy and light industries [2]. There are factors that hold back the use of them in heavily loaded friction units of modern technics. Tribotechnical properties do not satisfy working conditions in some cases in the conditions of friction without lubrication at increased loads and speeds. Intensive wear is due to their low enough values of physic-mechanical and thermal properties [3]
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