Microstructure and tribological behaviour of nano-structured metal matrix composite boride coatings synthesized by combined laser and sol–gel technology

Choudhury, Asimava Roy; Ezz, Tamer; Chatterjee, Satyajit; Li, Lin

doi:10.1016/j.surfcoat.2007.10.013

Cited by 26 publications

(12 citation statements)

References 46 publications

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“…3). Similar observations have been reported by other research groups and diverse reasons have been cited for the phenomenon [30]. In the present case, with its multiplicity of influencing factors (e.g.…”

Section: Micro-hardness Measurementssupporting

confidence: 93%

Development of a hard nano-structured multi-component ceramic coating by laser cladding

Masanta

Ganesh

Kaul

et al. 2009

Materials Science and Engineering: A

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Section: Micro-hardness Measurementssupporting

confidence: 93%

Development of a hard nano-structured multi-component ceramic coating by laser cladding

Masanta

Ganesh

Kaul

et al. 2009

Materials Science and Engineering: A

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“…Recently, nano-structured metal matrix composite (MMC) coating of TiB 2 -Fe 2 B [22] with a micro-hardness of 1450 HV 0.1 and TiB 2 -TiB [23] with a micro-hardness of 2000 HV 0.1 on steel substrate has been developed by Roy Choudhury et al, utilizing HPDL and Sol-gel technologies. Dobrzański et al [24,25] studied the laser alloying of tungsten carbide to X40CrMoV51 steel surface using HPDL and its effect on the properties of the steel surface.…”

Section: Introductionmentioning

confidence: 99%

Tribological behavior of TiB2–TiC–Al2O3 composite coating synthesized by combined SHS and laser technology

Masanta

Shariff

Choudhury

2010

Surface and Coatings Technology

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“…Ducom TR-208-M1 Ball on plate type wear monitor [14][15][16][17] with specimen as flat plate and a spherical tipped diamond cone of 120° angle 0.4mm tip diameter was used in order to investigate the wear system response of the as-cast heat treated specimens. The mechanism of Ball on plate wear test is very much similar to that of Pin on disc wear tester.…”

Section: Vickers Hardness and Wear Testingmentioning

confidence: 99%

Dry sliding wear system response of ferritic and tempered martensitic ductile iron

Jha

Mozumder

Shama

et al. 2015

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Spheroidal graphite cast iron (SG iron) is the most preferable member of cast iron family due to its strength and toughness along with good tribological properties. SG iron specimens with annealed and martensitic matrix were subjected to dry sliding wear condition and the system response was correlated to matrix microstructure. Respective microstructure was obtained by annealing and quench and tempering heat treatment process for an austenitizing temperature of 1000°C. Specimens were subjected to Ball on plate wear tester under 40N, 50N, 60N load for a sliding distance of 7.54m. Except for quench and tempered specimen at 50N, weight loss was observed in every condition. The wear surface under optical microscope reveals adhesive mechanism for as-cast and annealed specimen whereas delaminated wear track feature was observed for quench and tempered specimen. Keywords: SG cast iron, dry sliding wear, microstructure, wear morphology I. IntroductionSpheroidal graphite cast iron (SG iron) or ductile iron (DI) unlike every other cast iron has graphite in the form of spheroids which act as crack arrester, due to which it possesses higher strength and toughness along with better wear resistance. Furthermore it has been proved that the properties of SG iron can be improved by application of suitable heat treatment process leading to transformation of ascast ferritic or ferritic/pearlitic matrix into pearlitic, martensitic and bainitic. Austempered ductile iron is one of the most favorable materials among all other type because of its excellent strength, toughness, wear resistance, fatigue strength and fracture toughness [1][2][3][4][5][6][7][8]. Tribological investigation carried out on austempered SG iron with varying austempering time and temperature, reported increased wear resistance with increasing austempering temperature and time along with increased hardness during wear due to the bainitic ferrite which is less prone to thermal instability than martensite, might undergo strain hardening [9,10]. Tempering treatment on ductile iron with boron increased the wear resistance but with increasing boriding time wear rate of boro-tempered ductile iron decreased [11]. Apart from alloying element and heat treatment graphite nodule size and distribution affects the wear resistance of SG iron. According to a study by Sugishita and Fujiyoshi [12] and Zimba et.al [13] presence of large size graphite nodules reduces the wear rate by acting as lubricating agent.

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Microstructure and tribological behaviour of nano-structured metal matrix composite boride coatings synthesized by combined laser and sol–gel technology

Cited by 26 publications

References 46 publications

Development of a hard nano-structured multi-component ceramic coating by laser cladding

Development of a hard nano-structured multi-component ceramic coating by laser cladding

Tribological behavior of TiB2–TiC–Al2O3 composite coating synthesized by combined SHS and laser technology

Dry sliding wear system response of ferritic and tempered martensitic ductile iron

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