Water-based boundary lubrication with biomolecule additives on diamond-like carbon and stainless steel surfaces

Doctoral dissertation - short version to be published in Tribologia - Finnish Journal of Tribology

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The comparative study of polymers for sliding pairs with UNMT (Universal Nano/Micro Tester)

In the article the results of comparative research of eight types of polymers, used in sliding pairs, are presented. For the selected polymers mechanical properties and then also their tribological characteristics were examined with UNMT...

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Effect of finish rolling and quench stop temperatures on impact-abrasive wear resistance of 0.35 % carbon direct-quenched steel

Novel high-hardness medium-carbon martensitic laboratory steel has been produced and tested for abrasive wear resistance. Different finish rolling temperatures (FRT) combined with either direct quenching (DQ) or interrupted quenching to 2...

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Foreword No 1–2 (2017)

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Kenneth Holmberg from VTT Technical Research Centre of Finland Ltd won the highest international award in the tribology field

On 20 December, the Tribology Trust presented VTT's Kenneth Holmberg with the most highly prized award in the field, the Tribology Gold Medal Award, for his long-standing, major achievements in material and friction research. The award wa...

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Cavitation estimates by orbit prediction of a journal bearing – Finite element modelling and experimental studies

The paper presents a two-sided approach to establish understanding of the cavitation phenomenon in dynamically loaded journal bearings, more specifically the engine bearings of large two-stroke marine diesel engines. One disadvantage of t...

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Wear properties of thermally sprayed tungsten-carbide coatings in paper machine environments

Thermally sprayed tungsten-carbide (WC) coatings have proven to be one of the most wear resistant coatings available and a respectable replacement for hard-chromium coatings. They are used in paper machine parts such as calender rolls. Ho...

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