Acoustic Emission Response to Fatigue Damage of Additively Produced and Cast Materials

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F18%3APU129528" target="_blank" >RIV/00216305:26210/18:PU129528 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.ecndt2018.com/proceedings-2/" target="_blank" >http://www.ecndt2018.com/proceedings-2/</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Acoustic Emission Response to Fatigue Damage of Additively Produced and Cast Materials

Popis výsledku v původním jazyce

Additive manufacturing (AM) or 3D printing technologies allow to produce parts with complicated shapes in a relatively short time and without large amounts of material waste. These parts are more and more used in different types of engineering applications. The latest studies are mainly aimed at improving the quality of the material produced by AM in order to achieve the same or better quality as conventional materials, resulting in the need for testing these materials. The study presented evaluation and comparison the fatigue processes of additively produced and cast materials using acoustic emission method. The used additive technology is selective laser melting (SLM), which is used to produce metal parts. Tested material is aluminium alloys AlSi9Cu3, which is commonly used in aluminium castings production. The material is tested in as-cast or as-built condition without any heat treatment. All samples were subjected to fatigue bending tests in high-cycle regime and the results were evaluated by acoustic emission measurement. This allows a deep analysis of the fatigue process and comparison of the characteristics of both materials. The main goal is to analyse the acoustic emission response to fatigue damage and the correlation between this response and fracture mechanism. Results shows that fatigue life of SLM material is better than casting material with same chemical composition. Acoustic emission detects stages of fatigue process and crack initiation and localization.

Název v anglickém jazyce

Acoustic Emission Response to Fatigue Damage of Additively Produced and Cast Materials

Popis výsledku anglicky

Additive manufacturing (AM) or 3D printing technologies allow to produce parts with complicated shapes in a relatively short time and without large amounts of material waste. These parts are more and more used in different types of engineering applications. The latest studies are mainly aimed at improving the quality of the material produced by AM in order to achieve the same or better quality as conventional materials, resulting in the need for testing these materials. The study presented evaluation and comparison the fatigue processes of additively produced and cast materials using acoustic emission method. The used additive technology is selective laser melting (SLM), which is used to produce metal parts. Tested material is aluminium alloys AlSi9Cu3, which is commonly used in aluminium castings production. The material is tested in as-cast or as-built condition without any heat treatment. All samples were subjected to fatigue bending tests in high-cycle regime and the results were evaluated by acoustic emission measurement. This allows a deep analysis of the fatigue process and comparison of the characteristics of both materials. The main goal is to analyse the acoustic emission response to fatigue damage and the correlation between this response and fracture mechanism. Results shows that fatigue life of SLM material is better than casting material with same chemical composition. Acoustic emission detects stages of fatigue process and crack initiation and localization.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20301 - Mechanical engineering

Projekt

<a href="/cs/project/LO1202" target="_blank" >LO1202: NETME CENTRE PLUS</a><br>

Návaznosti

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

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název statě ve sborníku

12th European conference on Non-Destructive Testing

ISBN

978-91-639-6217-2

ISSN

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e-ISSN

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Počet stran výsledku

7

Strana od-do

1-7

Název nakladatele

Sweden MEETX AB l Ref. ECNDT2018

Místo vydání

Gothenburg, Sweden

Místo konání akce

Gothenburg

Datum konání akce

11. 6. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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