The Effect of Powder Particle Size on Mechanical and Fracture Properties of Cold Sprayed Al

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F24%3A00378484" target="_blank" >RIV/68407700:21220/24:00378484 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21340/24:00378484
Result on the web
<a href="https://doi.org/10.31399/asm.cp.itsc2024p0514" target="_blank" >https://doi.org/10.31399/asm.cp.itsc2024p0514</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.31399/asm.cp.itsc2024p0514" target="_blank" >10.31399/asm.cp.itsc2024p0514</a>

Result language
angličtina
Original language name
The Effect of Powder Particle Size on Mechanical and Fracture Properties of Cold Sprayed Al
Original language description
Thick deposits were produced from pure Al powder of three different sieve sizes using cold spraying at the same process parameters. The in-plane mechanical and fracture properties of the deposits were investigated using bending of small specimens in four specimen orientations. It was shown that increasing the Al particle size by approximately 50% and 100% leads to small, but statistically significant differences of yield strength. Further, the increase in the powder particle size led to higher fracture toughness KIC but lower fatigue crack growth threshold ΔKthr. This can be attributed to two different fracture mechanisms in the cold sprayed deposits. A trans-particular fracture in the near-threshold fatigue regime is controlled by the microstructure and work hardening of the particles. At higher cyclic loads and in quasi-static regime, the particle decohesion and the resulting crack path determine the fracture behavior instead. However, the observed effect of particle size was rather small, much smaller than the effect of spray process parameters observed in the previous research.
Czech name
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Czech description
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Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Thermal Spray 2024: Proceedings from the International Thermal Spray Conference
ISBN
9798331305437
ISSN
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e-ISSN
—
Number of pages
6
Pages from-to
514-519
Publisher name
DVS Media GmbH
Place of publication
Düsseldorf
Event location
Milan
Event date
Apr 29, 2024
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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