ASSESSING THE EFFECT OF BIODEGRADABLE CUTTING FLUID ON TOOL WEAR IN MACHINING

This paper is concerned with the wear of a tool in turning under dry and wet conditions. The fluid used in the tests was a biodegradable cutting fluid containing zinc aspartate. The tool surface was analysed using a Taly...

THE EFFECT OF THE TYPE OF WALL MATERIAL AND GREASE COMPOSITION PAIRING ON SHEAR STRESSES IN BOUNDARY LAYER

The paper presents the results of research on the influence of fillers introduced into plastic greases on the rheological properties of the boundary layer of the resultant lubricant compositions. The fillers were PTFE an...

Tribological and physical properties of polypropylene filled by natural fibres

WEAR RESISTANCE OF STRUCTURAL STEELS AS A RESULT OF BORONISING OPERATIONS

This paper presents the results of investigations on the effect of thermochemical treatment, boronising and chemical composition of selected structural steels on their wear in sliding friction process. The operation of b...

DISCUSSION ABOUT FUNDAMENTALS PROBLEMS OF TRIBOLOGY. PART 11 – ABOUT THE SCIENTIFICITY OF TRIBOLOGY

The paper resumed the issue of the scientificity of tribology. It presents the general questions of scientificity and knowledge demarcations in the scientific domain and research results. The return to these issues is pu...