Fracture Prediction Based on Evaluation of Initial Porosity Induced By Direct Energy Deposition

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F20%3AN0000115" target="_blank" >RIV/26316919:_____/20:N0000115 - isvavai.cz</a>

Výsledek na webu

<a href="https://journals.riverpublishers.com/index.php/EJCM/article/view/5715" target="_blank" >https://journals.riverpublishers.com/index.php/EJCM/article/view/5715</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.13052/ejcm2642-2085.29233" target="_blank" >10.13052/ejcm2642-2085.29233</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Fracture Prediction Based on Evaluation of Initial Porosity Induced By Direct Energy Deposition

Popis výsledku v původním jazyce

Additive manufacturing (AM) of metals proved to be beneficial in many industrial and non-industrial areas due to its low material waste and fast stacking speed to fabricate high performance products. The present contribution addresses several known challenges including mechanical behaviour and porosity analysis on directed energy deposition (DED) manufactured stainless steel 316L components. The experimental methodology consisting of metal deposition procedure, hardness testing and fractographic observations on manufactured mini-tensile test samples is described. A ductile fracture material model based on the Rousselier damage criterion is utilized within a FE framework for evaluation of material global response and determination of initial porosity value representing the structure's nucleating void population. Alternatively, the initial pore sizes are characterized using the generalized mixture rule (GMR) analysis and the validity of the approach is examined against the experimental results.

Název v anglickém jazyce

Fracture Prediction Based on Evaluation of Initial Porosity Induced By Direct Energy Deposition

Popis výsledku anglicky

Additive manufacturing (AM) of metals proved to be beneficial in many industrial and non-industrial areas due to its low material waste and fast stacking speed to fabricate high performance products. The present contribution addresses several known challenges including mechanical behaviour and porosity analysis on directed energy deposition (DED) manufactured stainless steel 316L components. The experimental methodology consisting of metal deposition procedure, hardness testing and fractographic observations on manufactured mini-tensile test samples is described. A ductile fracture material model based on the Rousselier damage criterion is utilized within a FE framework for evaluation of material global response and determination of initial porosity value representing the structure's nucleating void population. Alternatively, the initial pore sizes are characterized using the generalized mixture rule (GMR) analysis and the validity of the approach is examined against the experimental results.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/EF17_048%2F0007350" target="_blank" >EF17_048/0007350: Předaplikační výzkum funkčně graduovaných materiálů pomocí aditivních technologií</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

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

Název periodika

EUROPEAN JOURNAL OF COMPUTATIONAL MECHANICS

ISSN

1779-7179

e-ISSN

1958-5829

Svazek periodika

29

Číslo periodika v rámci svazku

2-3

Stát vydavatele periodika

DK - Dánské království

Počet stran výsledku

32

Strana od-do

223-253

Kód UT WoS článku

000653995800003

EID výsledku v databázi Scopus

2-s2.0-85100597250