Joining of the AMC Composites Reinforced with Ti3Al Intermetallic Particles by Resistance Butt Welding

• Autorzy: Adamiak M. , Tomiczek B. , Górka J. , Czupryński A.

Identyfikatory

DOI

10.1515/amm-2016-0143

• Języki publikacji: EN

Abstrakty

EN

The introduction of new reinforcing materials continues to be investigated to improve the final behaviour of AMCs as well as to avoid some drawbacks of using ceramics as reinforcement. The present work investigates the structure, properties and ability of joining aluminium EN-AW 6061 matrix composite materials reinforced with Ti3Al particles by resistance butt welding as well as composite materials produced by mechanical milling, powder metallurgy and hot extrusion techniques. Mechanically milled and extruded composites show finer and better distribution of reinforcement particles, which leads to better mechanical properties of the obtained products. Finer microstructure improves mechanical properties of obtained composites. The hardness increases twice in the case of mechanically milled composites also, a higher reinforcement content results in higher particle dispersion hardening, for 15 wt.% of intermetallics reinforcement concentration composites reach about 400 MPa UTS. Investigation results of joints show that best hardness and tensile properties of joints can be achieved by altering soft conditions of butt welding process e.g. current flow time 1.2 s and current 1400 A. To improve mechanical properties of butt welding joints age hardening techniques can also be used.

Słowa kluczowe

EN

composite materials; intermetallics; Ti3Al; resistance butt welding; mechanical properties

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2A
• Strony: 847--852
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Adamiak M.

• Silesian University of Technology, Faculty of Mechanical Engineering, Institute of Engineering Materials and Biomaterials, Konarskiego 18a, 44-100 Gliwice, Poland

autor

Tomiczek B.

• Silesian University of Technology, Faculty of Mechanical Engineering, Institute of Engineering Materials and Biomaterials, Konarskiego 18a, 44-100 Gliwice, Poland

autor

Górka J.

• Silesian University of Technology, Faculty of Mechanical Engineering, Department of Welding, Konarskiego 18a, 44-100 Gliwice, Poland

autor

Czupryński A.

• Silesian University of Technology, Faculty of Mechanical Engineering, Department of Welding, Konarskiego 18a, 44-100 Gliwice, Poland

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