Fabrication and Characterization of CU/B₄ C Surface Dispersion Strengthened Composite using Friction Stir Processing

• Autorzy: Sathiskumar R. , Murugan N. , Dinaharan I. , Vijay S. J.

Identyfikatory

DOI

10.2478/amm-2014-0014

Warianty tytułu

PL

Wytwarzanie metodą zgrzewania tarciowego i charakterystyka powierzchniowodyspersyjnie wzmacnianego kompozytu Cu/B₄ C

• Języki publikacji: EN

Abstrakty

EN

Friction stir processing has evolved as a novel method to fabricate surface metal matrix composites. The feasibility to make B₄ C particulate reinforced copper surface matrix composite is detailed in this paper. The B₄ C powders were compacted into a groove of width 0.5 mm and depth 5 mm on a 9.5 mm thick copper plate. A tool made of high carbon high chromium steel; oil hardened to 63 HRC, having cylindrical profile was used in this study. A single pass friction stir processing was carried out using a tool rotational speed of 1500 rpm, processing speed of 40 mm/min and axial force of 10 kN. A defect free interface between the matrix and the composite layer was achieved. The optical and scanning electron micrographs revealed a homogeneous distribution of B₄ C particles which were well bonded with the matrix. The hardness of the friction stir processed zone increased by 26% higher to that of the matrix material.

PL

Zgrzewanie tarciowe ewoluowało jako nowa metoda wytwarzania kompozytów powierzchniowych z osnową metaliczną. W pracy szczegółowo opisano możliwość wytworzenia kompozytu na powierzchni miedzi zbrojonego cząstkami B₄ C. Proszki B₄ C sprasowano w rowku o szerokości 0,5 mm i głębokści 5 mm wykonanym na blasze miedzianej o grubości 9,5 mm. Do wytworzenia kompozytu użyto narzędzia o profilu cylindrycznym, z wysokowęglowej stali o wysokiej zawartości chromu, hartowanego w oleju do 63 HRC. W jednym przebiegu obróbki zgrzewanie przeprowadzono przy prędkości obrotowej narzędzia 1500 obr/min. szybkości przesuwu 40 mm/min i osiowej siły 10 kN. Osiągnięto cel w postaci pozbawionego wad połączenia pomiędzy matrycą i warstwą kompozytu. Mikrofotografie optyczne i ze skaningowej mikroskopii elektronowej wykazały jednorodną dystrybucję cząstek B-C, które były dobrze połączone z matrycą. Twardość strefy zgrzewnej tarciowo wzrosła o 26% w stosunku do materiału matrycy.

Słowa kluczowe

EN

surface dispersion strengthened composite; friction stir processing; copper; boron carbide

PL

kompozyty powierzchniowe; zgrzewanie tarciowe FSW; miedź; węglik boru

• 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: 2014
• Tom: Vol. 59, iss. 1
• Strony: 83--87
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Sathiskumar R.

• Department of Mechanical Engineering, Coimbatore Institute of Technology, Coimbatore – 641014, Tamil Nadu, India

autor

Murugan N.

• Department of Mechanical Engineering, Coimbatore Institute of Technology, Coimbatore – 641014, Tamil Nadu, India

autor

Dinaharan I.

• School of Mechanical Sciences, Karunya University, Coimbatore – 641114, Tamil Nadu, India

autor

Vijay S. J.

• V.V. College of Engineering, Tisayanvilai 627 657, Tamil Nadu, India

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