Room and High-Temperature Sliding Wear Behavior of In Situ TiC-Based Cermet Fabricated through Selective Laser Melting

Aramian, Atefeh; Sadeghian, Zohreh; Razavi, S.M.J.; Berto, Filippo

doi:10.1007/s11665-021-05995-8

Cited by 6 publications

(1 citation statement)

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“…Grain refinement is an effective method for metal and alloy strengthening [3]. More papers are interested in the development of nanostructured materials [4][5][6][7][8] with an advanced microstructure of a mean grain size of less than 100 nm, which brings unique mechanical and physical properties. Several processes are used for achieving the structure refinement and therefore increasing the strength properties of materials (light alloys, steels), such as additive manufacturing, Equal-channel angular pressing (ECAP), equal-channel angular rolling (ECAR), cryogenic processes [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Case study of advanced processed OFHC copper by dry sliding wear test

Bidulský¹,

Bidulská

Kvačkaj

et al. 2023

Acta Metall Slovaca

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The wear behaviour of copper material processed by ECAP (Equal Channel Angular Pressing) and orbital forging (OF) is presented in this study. Dry sliding wear tests were carried out for the wear behaviour of the investigated system. Oxygen-free high thermal conductivity (OFHC) copper was used for testing. The new combination of metal forming processes was used because of ease of fabrication. Additionally, wear rate, friction coefficient and wears mechanisms were observed. The friction resistance is caused by the destruction of the adhesion between surface asperities in metal friction. Moreover, increased asperity interactions connected with wear particle entrapment gradually increase the friction coefficient. These results show the metal forming process's positive influence in reducing interfacial adhesion and asperity deformation. Finally, the combinations of newly used advanced processing demonstrated excellent wear characteristics of copper.

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