Publication detail

Influence of the Cut Direction through the Semi-Finished Product on the Occurrence of Cracks for X210Cr12 Steel Using WEDM

MOURALOVÁ, K. KLAKURKOVÁ, L. MATOUŠEK, R. PROKEŠ, T. HRDÝ, R. KAŇA, V.

Czech title

Vliv orientace řezu polotovarem na vznik trhlin pro ocel X210Cr12 užitím WEDM

English title

Influence of the Cut Direction through the Semi-Finished Product on the Occurrence of Cracks for X210Cr12 Steel Using WEDM

Type

journal article in Web of Science

Language

en

Original abstract

Wire electrical discharge machining (WEDM) is a key technological process for the production of parts from semi-finished products to the final heat treatment as it also enables the machining of very hard material. The quality of an electro-erosive machined surface is a very important factor with regard to the consequent functionality and life cycle of the manufactured part. The occurrence of cracks or burned cavities is therefore an acceptable defect of the sub-surface area, which along with residual stress may lead to the destruction of the machining. This study deals with the influence of the cut direction through a semi-finished product on the occurrence of defects (cracks, burned cavities) regarding the influence of setting up the parameters of the machine (gap voltage, pulse on and off time, wire feed and discharge current) and the type of heat treatment of the material. In order to study the surface and sub-surface area of the machined samples, electron microscopy was used, including the use of the local EDX chemical analysis.

Czech abstract

Elektroerozivní drátové řezání (WEDM) je klíčovou technologickou operací pro výrobu dílů z polotovarů po finálním tepelném zpracování, protože umožňuje obrábění i vysoce tvrdých materiálů. Jakost elektroerozivně obrobeného povrchu je velice důležitý faktor a to i s přihlédnutím k následné funkčnosti a životnosti vyrobené součásti. Vznik trhlin či vypálených kavit je proto nepřijatelný defekt podpovrchové oblasti, který může vést spolu se zbytkovým pnutím až k destrukci obrobku. Tato studie se zabývá vlivem orientace řezu polotovarem na vznik defektů (trhlin, vypálených kavit) s přihlédnutím k vlivu nastavení parametrů stroje (gap voltage, pulse on and off time, wire feed and discharge current) a druhu tepelného zpracování materiálu. Za účelem studia povrchové i podpovrchové oblasti obrobených vzorků byla použita elektronová mikroskopie včetně využití lokální chemické analýzy EDX.

English abstract

Wire electrical discharge machining (WEDM) is a key technological process for the production of parts from semi-finished products to the final heat treatment as it also enables the machining of very hard material. The quality of an electro-erosive machined surface is a very important factor with regard to the consequent functionality and life cycle of the manufactured part. The occurrence of cracks or burned cavities is therefore an acceptable defect of the sub-surface area, which along with residual stress may lead to the destruction of the machining. This study deals with the influence of the cut direction through a semi-finished product on the occurrence of defects (cracks, burned cavities) regarding the influence of setting up the parameters of the machine (gap voltage, pulse on and off time, wire feed and discharge current) and the type of heat treatment of the material. In order to study the surface and sub-surface area of the machined samples, electron microscopy was used, including the use of the local EDX chemical analysis.

Keywords in English

WEDM; electrical discharge machining; steel X210Cr12; morphology; topography; recast layer; cracks

Released

01.09.2018

Publisher

Elsevier

Location

Polsko

ISSN

1644-9665

Volume

18

Number

4

Pages from–to

1318–1331

Pages count

14

BIBTEX


@article{BUT146745,
  author="Kateřina {Mouralová} and Lenka {Klakurková} and Radomil {Matoušek} and Tomáš {Prokeš} and Radim {Hrdý} and Václav {Kaňa},
  title="Influence of the Cut Direction through the Semi-Finished Product on the Occurrence of Cracks for X210Cr12 Steel Using WEDM",
  year="2018",
  volume="18",
  number="4",
  month="September",
  pages="1318--1331",
  publisher="Elsevier",
  address="Polsko",
  issn="1644-9665"
}