Importance of feedstock powder selection for mechanical properties improvement of cold spray additively manufactured Ti6Al4V deposits

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F24%3AN0000003" target="_blank" >RIV/26316919:_____/24:N0000003 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389021:_____/24:00585687

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S2772369024000082?via%3Dihub3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2772369024000082?via%3Dihub3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.addlet.2024.100199" target="_blank" >10.1016/j.addlet.2024.100199</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Importance of feedstock powder selection for mechanical properties improvement of cold spray additively manufactured Ti6Al4V deposits

Popis výsledku v původním jazyce

CSAM (cold spray additive manufacturing) of Ti6Al4V is a challenging task and high-quality deposits conforming to the AM application standards have not been developed so far. In our study, two distinct feedstock Ti6Al4V powders with different morphology and microstructure, spherical and crystalline, were used and their influence on the deposits was investigated in terms of microstructure as well as tensile properties. The results indicate the mechanical strength and ductility of the as-deposited samples to be in the range of 8-30 % compared to wrought Ti6Al4V and highlight a significant anisotropy in different in-plane directions. The post-treatments of the deposits from the spherical, plasma atomized powder effectively reduced the porosity and triggered microstructural homogenization and recrystallization, leading to a significant increase in the yield and tensile strengths, reaching 892 MPa and 954 MPa, respectively, while achieving an enormous enhancement in the elongation to 21.6 % at the same time. This was in a striking contrast to the deposits from the crystalline powder: despite the yield and tensile strength increase to 853 MPa and 1058 MPa, respectively, the elongation remained virtually zero, highlighting the importance of the feedstock powder selection in cold spray additive manufacturing of Ti6Al4V.

Název v anglickém jazyce

Importance of feedstock powder selection for mechanical properties improvement of cold spray additively manufactured Ti6Al4V deposits

Popis výsledku anglicky

CSAM (cold spray additive manufacturing) of Ti6Al4V is a challenging task and high-quality deposits conforming to the AM application standards have not been developed so far. In our study, two distinct feedstock Ti6Al4V powders with different morphology and microstructure, spherical and crystalline, were used and their influence on the deposits was investigated in terms of microstructure as well as tensile properties. The results indicate the mechanical strength and ductility of the as-deposited samples to be in the range of 8-30 % compared to wrought Ti6Al4V and highlight a significant anisotropy in different in-plane directions. The post-treatments of the deposits from the spherical, plasma atomized powder effectively reduced the porosity and triggered microstructural homogenization and recrystallization, leading to a significant increase in the yield and tensile strengths, reaching 892 MPa and 954 MPa, respectively, while achieving an enormous enhancement in the elongation to 21.6 % at the same time. This was in a striking contrast to the deposits from the crystalline powder: despite the yield and tensile strength increase to 853 MPa and 1058 MPa, respectively, the elongation remained virtually zero, highlighting the importance of the feedstock powder selection in cold spray additive manufacturing of Ti6Al4V.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/GA22-14048S" target="_blank" >GA22-14048S: Vývoj mikrostruktury a multiplikace poruch krystalické mřížky při kinetickém nanášení</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

ADDITIVE MANUFACTURING LETTERS

ISSN

2772-3690

e-ISSN

2772-3690

Svazek periodika

9

Číslo periodika v rámci svazku

APR 2024

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

14

Strana od-do

nestránkováno

Kód UT WoS článku

001183838900001

EID výsledku v databázi Scopus

2-s2.0-85184863380