Wear characteristics and defects analysis of friction stir welded joint of aluminium alloy 6061-T6

• Autorzy: Kumar R. , Chattopadhyaya S. , Hloch S. , Krolczyk G. , Legutko S.

Identyfikatory

DOI

10.17531/ ein.2016.1.17

Warianty tytułu

PL

Charakterystyka zużycia i analiza uszkodzeń złącza ze stopu aluminium 6061-T6 zgrzewanego tarciowo z przemieszaniem

• Języki publikacji: EN

Abstrakty

EN

This paper deals with the wear characteristics and defects developed during friction stir welding at different process parameter of aluminium alloy (AA) 6061-T6 having thickness 6 mm. Four welded samples are prepared with rotational speed 500 rpm, 710 rpm, 1000 rpm and with welding speed of 25 mm/min & 40 mm/min. Welded samples and base material are put in wear condition under grinding machine for 120 s. Material removal is measure by taking the difference of weight before and after wear. Different types of defects and fracture are observed on the wear surface. These defects and fractures are analysed under field emission scanning electron microscope (FESEM). It is concluded that material removal from welded sample is less compared to base metal, hence wear resistance increases after friction stir welding.

PL

Praca dotyczy charakterystyki zużycia i uszkodzeń podczas zgrzewania tarciowego z przemieszaniem stopu aluminium (AA) 6061T6 o grubości 6 mm dla zmiennych parametrów. Cztery zgrzewane próbki były wykonane z prędkością obrotową 500 obr/min, 710 obr/min, 1000 obr/min dla prędkości zgrzewania 25 mm/min i 40 mm/min. Zgrzewane próbki i materiał bazowy były poddawane zużywaniu za pomocą szlifierki w czasie 120 s. Ubytek materiału mierzono jako różnicę wagi przed i po zużywaniu. Różne rodzaje wad i pęknięć zaobserwowano na zużytej powierzchni. Wady i pęknięcia analizowano za pomocą mikroskopu polowego (FESEM). Stwierdzono, że ubytek materiału ze zgrzewanych próbek jest mniejszy w porównaniu z ubytkiem dotyczącym materiału bazowego. Zwiększa się więc odporność na zużycie po zgrzewaniu tarciowym z przemieszaniem.

Słowa kluczowe

EN

friction stir welding (FSW); wear; defect; grinding machine; field emission scanning electron microscope (FESEM)

PL

zgrzewanie tarciowe z przemieszaniem; zużycie; uszkodzenie; szlifierka; mikroskopy polowe

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2016
• Tom: Vol. 18, no. 1
• Strony: 128--135
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Kumar R.

• Department of Mechanical Engineering Indian School of Mines Dhanbad-826004, India

autor

Chattopadhyaya S.

• Department of Mechanical Engineering Indian School of Mines Dhanbad-826004, India

autor

Hloch S.

• Faculty of Manufacturing Technologies, Technical University of Kosice, 1 Bayerova St., 080 01 Presov, Slovak Republic Institute of Geonics AS CR, v. v. i., Studentska 1768, Ostrava-Poruba, 708 00, Czech Republic

autor

Krolczyk G.

• Opole University of Technology 76 Proszkowska St., 45-758 Opole, Poland

autor

Legutko S.

• Faculty of Mechanical Engineering and Management Poznan University of Technology ul. Piotrowo 3, 60-965 Poznan, Poland

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