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Authors: N. J. Xu 1 ; C. S. Liu 2 ; Z. B. Wang 2 and T. Sun 3

Affiliations: 1 School of Materials Science and Engineering, Northeastern University, Key Laboratory for Anisotropy and Texture of Materials and Ministry of Education, China ; 2 School of Materials Science and Engineering, Northeastern University and Key Laboratory for Laser Application Technology and Equipment of Liaoning Province, China ; 3 School of Materials Science and Engineering and Northeastern University, China

Keyword(s): laser cladding; M2 high speed steel; microstructure; wear resistace

Abstract: M2 high speed steel (HSS) coating specimen was fabricated on nodular cast iron by laser cladding (LC) using a solid state pulse Nd:YAG laser of wavelength 1064nm, maximum power of 400 W. Morphology, phase structure, micro-hardness and wear behaviour of the specimens were examined by scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS) analysis, X-ray diffraction (XRD), Vickers indenter, friction and wear tester measurement, respectively. Results show that the observed microstructure of the cladded layer is characterized by equiaxed cellulars or dendrites and interdendritic network shaped carbides. Martensite, retained austenite and MxCy type carbides are observed in clad specimen. Average micro-hardness of clad specimen increases to 750HV and is 2.5 times as high as that of substrate. The increase attribute to the rapid solidification of HSSs, and formation of finer grains. For dry sliding, the laser cladded M2 HSS layer shows the better wear resistance in amb ient. (More)

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Paper citation in several formats:
Xu, N.; Liu, C.; Wang, Z. and Sun, T. (2018). The Microstructure Evolution and Wear Resistance of Laser Cladding M2 High Speed Steel on Nodular Cast Iron. In Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE; ISBN 978-989-758-346-9, SciTePress, pages 584-590. DOI: 10.5220/0007441805840590

@conference{iwmce18,
author={N. J. Xu. and C. S. Liu. and Z. B. Wang. and T. Sun.},
title={The Microstructure Evolution and Wear Resistance of Laser Cladding M2 High Speed Steel on Nodular Cast Iron},
booktitle={Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE},
year={2018},
pages={584-590},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007441805840590},
isbn={978-989-758-346-9},
}

TY - CONF

JO - Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE
TI - The Microstructure Evolution and Wear Resistance of Laser Cladding M2 High Speed Steel on Nodular Cast Iron
SN - 978-989-758-346-9
AU - Xu, N.
AU - Liu, C.
AU - Wang, Z.
AU - Sun, T.
PY - 2018
SP - 584
EP - 590
DO - 10.5220/0007441805840590
PB - SciTePress

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