...I. Mutlu; C. Oner; I. Cevik; F. Findik Purpose The aim of the research is to investigate wear performance of some phenolic composites with boric acid. Design/methodology/approach The brake lining which has new formulation has been produced by using various additive materials. Various...

...D.J. Pavlov; N.N. Gospodinova; I.K. Glavchev The aim of this study is the synthesis and characterization of motor and hydraulic oils based on complex esters of dicarboxylic acids and polyol esters. The esters have been prepared by polyesterification of adipic or sebacic acids with polyethylene...

... of cleaning pretreatments such as degreasing and acid pickling are seldom considered from a mechanical point of view and specially from a tribological one. Through a tribological test, the preparation of the surface of steel billets to be zinc phosphated and soaped was studied. Having shown the importance...