Effect of Solution Annealing on Microstructure, Tensile and Corrosion Properties of SDSS Deposited by Directed Energy Deposition

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F24%3AN0000012" target="_blank" >RIV/26316919:_____/24:N0000012 - isvavai.cz</a>

Alternative codes found

RIV/60461373:22310/24:43931330

Result on the web

<a href="https://www.mdpi.com/2073-4352/14/10/900" target="_blank" >https://www.mdpi.com/2073-4352/14/10/900</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/cryst14100900" target="_blank" >10.3390/cryst14100900</a>

Result language

angličtina

Original language name

Effect of Solution Annealing on Microstructure, Tensile and Corrosion Properties of SDSS Deposited by Directed Energy Deposition

Original language description

The super duplex stainless steel (SDSS) powder SAF2507 was deposited using directed energy deposition. In the as-built state, the microstructure consists of a nearly balanced ferrite-austenite ratio, with an austenite content of 47 vol.%, in contrast to the SDSS processed by the powder bed method, which produces a very low austenite content. This work investigated the differences in the microstructure, mechanical and corrosion properties of the "high-austenite" as-built state and the solution-annealed (SA) state (at 1100 degrees C for 60 min, followed by quenching in water). In the SA state, an increase in austenite content to 55 vol.% was observed. In addition, the partitioning of alloying elements into austenite and ferrite also occurred, the austenite grains coarsened and a ferrite grain size reduction was found. Microstructural changes were evident in the development of the mechanical properties. The increase in austenite content was accompanied by an increase in the elongation, and conversely, both the yield strength and ultimate tensile strength decreased. No secondary phases, such as carbides or sigma phase, were observed in either state. Both the as-built and solution-annealed samples exhibited a passivation zone in model seawater at 70 degrees C, but at the same time, the corrosion current density (icorr) of the as-built state was five times higher.

Czech name

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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

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OECD FORD branch

20501 - Materials engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2024

Confidentiality

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

Name of the periodical

CRYSTALS

ISSN

2073-4352

e-ISSN

2073-4352

Volume of the periodical

14

Issue of the periodical within the volume

10

Country of publishing house

CH - SWITZERLAND

Number of pages

11

Pages from-to

nestránkováno

UT code for WoS article

001343090000001

EID of the result in the Scopus database

2-s2.0-85207678171