Latest issue - October 2026

CENTRIFUGAL FORCE COMPENSATION IN MACHINING LATHE CHUCKS – PATENTS STATE OF ART

JERZY BOCHNIA, TOMASZ KOZIOR
Keywords: Lathe chucks | centrifugal force | patents

ANNULAR EROSION FOOTPRINT UNDER STATIC ULTRASONIC PULSATING WATER JET EXPOSURE

ALICE CHLUPOVA, AKASH NAG, GABRIEL STOLARIK, JAKUB POLOPRUDSKY, SERGEJ HLOCH
Keywords: pulsating water jet | Erosion pattern | Annular erosion footprint | morphology | scanning electron microscopy

INFLUENCE OF TRAVERSE SPEED ON SURFACE TOPOGRAPHY OF TI-6AL-4V AND TI-6AL-7NB ALLOYS TREATED BY ULTRASONIC PULSATING WATERJET

AKASH NAG, JAKUB POLOPRUDSKY, GABRIEL STOLARIK, DAGMAR KLICHOVA, ALICE CHLUPOVA, DINARA SOBOLA, SERGEJ HLOCH
Keywords: PWJ | titanium alloys | surface treatment | wettability | surface roughness | Surface free energy

FRICTION BEHAVIOUR OF MODERN AUTOMOTIVE ENGINE OILS USING BLOCK-ON-RING TRIBOMETER

STEPAN PRAVDA, LUKAS KUDRNA, JAN BLATA, DAVID SEDENKA, JAKUB SMIRAUS, PAVLA KARBANOVA
Keywords: engine oil | Friction behaviour | Block-on-ring tribometer | coefficient of friction | Boundary lubrication | SAE viscosity grade