Surface modification of titanium alloy Ti6Al7Nb by high-frequency droplet impingement

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F25%3A00617001" target="_blank" >RIV/68081723:_____/25:00617001 - isvavai.cz</a>

Alternative codes found

RIV/68145535:_____/25:00617001 RIV/61989100:27230/25:10259458

Result on the web

<a href="https://doi.org/10.1016/j.wear.2025.205896" target="_blank" >https://doi.org/10.1016/j.wear.2025.205896</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.wear.2025.205896" target="_blank" >10.1016/j.wear.2025.205896</a>

Result language

angličtina

Original language name

Surface modification of titanium alloy Ti6Al7Nb by high-frequency droplet impingement

Original language description

Droplet erosion is commonly viewed as a negative consequence, causing damage to engineering structures. Recent research has shifted this perspective, harnessing the erosion process as a means to alter the surface properties of weld joints for stress alleviation or to modify the surface texture of biomaterials to enhance their biological potential. The practical applications of surfaces crafted through droplet erosion have been explored insufficiently, considering the research potential so far. The motivation of the present study is to compare surfaces created by the ultrasonic pulsating water jet (PWJ) technique with the surface of a grit-blasted Ti6Al7Nb femoral stem. The experiment employed two trajectory patterns (linear and interlaced perpendicular) and two different frequencies of the water droplet generation, i.e., fs = 20 and 40 kHz, promoting process diversity. The obtained erosion patterns were assessed using scanning electron microscopy observation. The textured surface characterization was conducted using areal height, hybrid, elemental, and functional roughness parameters, along with their isotropy. Findings indicate that alterations in the technological settings of the process lead to corresponding shifts in specific surface characteristics. Maintaining a roughness Sa (areal arithmetic mean height) up to 10 μm, notable changes were detected in the height parameters Sp (maximum areal peak height) being greater than Sv (maximum areal valley depth) and the surface distribution Ssk (skewness) and Sku (kurtosis). These outcomes suggest that tuning the ultrasonically modulated water jet technology parameters can fine-tune the textured surface to meet specific requirements for bioapplications. This comparative analysis demonstrates that the PWJ method can be an effective tool for active surface texturing, setting the stage for its broader practical application for medicine.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20301 - Mechanical engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Wear

ISSN

0043-1648

e-ISSN

1873-2577

Volume of the periodical

570

Issue of the periodical within the volume

June 2025

Country of publishing house

CH - SWITZERLAND

Number of pages

15

Pages from-to

205896

UT code for WoS article

001509133800005

EID of the result in the Scopus database

2-s2.0-85217888131