Evaluation of microstructure and chosen properties of zinc and its alloys

• Autorzy: Jonda E. , Labisz K. , Dobrzański L. A. , Siomin Ł.
• Języki publikacji: EN

Abstrakty

EN

Purpose: This paper presents especially the results of microstructure and properties investigation results of selected zinc (Zn) and zinc alloys (ZnAl15). In the frame work of this paper were performed investigations of the microstructure using light and scanning electron microscopy as well as analysis of the chemical composition of the tested materials, there are also carried out. Design/methodology/approach: The investigations were performed on samples of pure Zn as well as of zinc-aluminium alloy ZnAl115 with the chemical composition conforming with the commercial standard. Material for the investigation was provided in the form of a wire having a diameter of 3 mm and a length of 80 mm, 130 mm and 180mm respectively, subjected to cold working consisting in pulling. Findings: The presented tests results carried out using light microscopy allowed the determination of the microstructures obtained after the production process of materials from pure zinc and selected zinc alloys. The observations made using the scanning electron microscope revealed that the decohesion after the static tensile strength test the investigated materials are characterized by a regular (circular) fracture. Pure zinc is characterized by the predominance of mixed fracture with the dominance of brittle fracture areas, whereas the zinc alloys reveals rather a ductile fracture. Practical implications: This paper deal with the investigations concerning structure an properties of pure zinc and zinc alloys with additional elements as well as impurities coming from possible recycling procedure or environmental pollution source and its appliance for further application. Originality/value: Zinc is the fourth most widely used metal in the world after iron, aluminium and copper.

Słowa kluczowe

EN

zinc alloys; microstructure; microhardness; recycling

PL

stopy cynku; mikrostruktura; mikrotwardość; recykling

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2015
• Tom: Vol. 70, nr 1
• Strony: 22--28
• Opis fizyczny: Bibliogr. 13 poz., rys., tab.

Twórcy

autor

Jonda E.

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

autor

Labisz K.

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

autor

Dobrzański L. A.

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

autor

Siomin Ł.

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

Bibliografia

• [1] Y.H. Zhu. Phase transformations of eutectoid Zn-Al alloys, Journal of Materials Science 36 (2001) 3973-3980.
• [2] L.A. Dobrzański, K. Labisz, E. Jonda, A. Klimpel, Comparison of the surface alloying of the 32CrMoV12-28 tool steel using TiC and WC powder, Journal of Materials Processing and Technology 191/1-3 (2007) 321-325.
• [3] L.A. Dobrzański, M. Bonek, M. Piec. E. Jonda, Diode laser modification of surface gradient layer properties of a hot work- tool steel, Materials Science Forum 532-533 (2006) 657-660.
• [4] M. Piec, L.A. Dobrzanski, K. Labisz, E. Jonda, A. Klimpel, Laser alloying with WC Ceramic Powder in hot work tool steel using a High Power Diode Laser (HPDL), Advanced Materials Research 15-17 (2007) 193-198.
• [5] Z. Górny, J. Sobczak, Non-ferrous metals based novel materials in foundry practice, ZA-PIS, Cracow, 2005.
• [6] Y.H. Zhu, R.M. Hernandez, L. Banos Phase decomposition in extruded Zn-Al based alloy, Journal of Materials Science 34 (1999) 3653-3658.
• [7] T. Tański K. Labisz, A.D. Dobrzańska-Danikiewicz, A. Sękala, Strategic position of casting aluminium alloys and leading technologies of their manufacturing, Solid State Phenomena 220-221 (2015) 577-582.
• [8] W. Krajewski, Research of phase transformation in high-aluminium zinc foundry alloys modified by Ti addition, Practical Metallography 30 (1999) 327-331.
• [9] W. Krajewski, DTA examinations of the solidification course of medium-aluminium zinc alloys modified with Ti, Metallurgy and Foundry Engineering 26/2 (2000) 143-147.
• [10] J. Konieczny L.A. Dobrzański, K. Labisz, J. Duszczyk, The influence of cast method and anodizing parameters on structure and layer thickness of aluminium alloys, Journal of Materials Processing Technology 157-158 (2004) 718-723.
• [11] T.J. Chen, Y. Hao, J. Sun, Y.D. Li, Effects of Mg and RE additions on the semi solid microstructure of a zinc alloy ZA27, Science and Technology of Advanced Materials 4 (2003) 495-502.
• [12] Polish standard: PN –EN ISO 14919, Thermal spraying-Wires, rods and gimps for flame and glow spraying-Classification-Technical conditions of delivery.
• [13] Polish standard: PN-EN 6507-1, Metals-Vickers hardness measurement-Part 1: Investigation metod.