Výsledky vyhledávání - "Haiko, O. (Oskari)"

Tuning the parameters of Cu–WS₂ composite production via powder metallurgy:evaluation of the effects on tribological properties

Autor: Freschi, M. (Marco), Dragoni, L. (Lara), Mariani, M. (Marco), Haiko, O. (Oskari), Kömi, J. (Jukka), Lecis, N. (Nora), Dotelli, G. (Giovanni)

Metal matrix self-lubricating composites exhibit outstanding performance in various environments, reaching the required properties by modifying the reinforcement–matrix ratio and the production method. The present research investigated the effects

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::a8bb67417505ff685e8c3ae105dde134
http://urn.fi/urn:nbn:fi-fe2023051143524

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Physico-mechanical properties of metal matrix self-lubricating composites reinforced with traditional and nanometric particles

Autor: Freschi, M. (Marco), Arrigoni, A. (Alessia), Haiko, O. (Oskari), Andena, L. (Luca), Kömi, J. (Jukka), Castiglioni, C. (Chiara)

Innovative nanostructured materials offer the possibility of enhancing the tribological performance of traditional materials like graphite and molybdenum disulfide (MoS₂). In this study, the scratch resistance of two different copper powders, dendr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::ab94f18221dd1b7edec6e29bce5beaf4
http://urn.fi/urn:nbn:fi-fe2022041929474

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Effect of microstructural characteristics and mechanical properties on the impact-abrasive and abrasive wear resistance of ultra-high strength steels

Autor: Haiko, O. (Oskari)

The effect of different microstructural characteristics and mechanical properties on the impact-abrasive and abrasive wear resistance of martensitic and carbide-free bainitic (CFB) steels was investigated. The main objectives were to study the role o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::650c6df15cd5b172aee4cd5889281681
http://urn.fi/urn:isbn:9789526230122

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On the role of grain size on slurry erosion behavior of a novel medium-carbon, low-alloy pipeline steel after induction hardening

Autor: Javaheri, V. (Vahid), Haiko, O. (Oskari), Sadeghpour, S. (Saeed), Valtonen, K. (Kati), Kömi, J. (Jukka), Porter, D. (David)

Grain refinement has been widely used to enhance the hardness and toughness properties of metallic materials. However, the effect of prior austenite grain refinement on the final martensitic microstructure and wear performance of steels is not yet fu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a5a4d1c6a8b2e86b345ec6232836e8a8
https://trepo.tuni.fi/handle/10024/134322

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Comparison of impact-abrasive wear characteristics and performance of direct quenched (DQ) and direct quenched and partitioned (DQ&P) steels

Autor: Haiko, O. (Oskari), Somani, M. (Mahesh), Porter, D. (David), Kantanen, P. (Pekka), Kömi, J. (Jukka), Ojala, N. (Niko), Heino, V. (Vuokko)

The recently developed method of direct quenching and partitioning (DQ&P) was utilized to produce ultra-high strength martensitic steels with retained austenite. The DQ&P steels have high surface hardness while retaining good impact toughness and elo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::6097c4f21e26014dcee862c111b39986
http://urn.fi/urn:nbn:fi-fe2023031632035

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