Influence of Mo on the high temperature wear performance of NiCrBSi hardfacings

Shaikh Asad Ali Dilawary; Amir Motallebzadeh; Erdem Atar; Huseyin Cimenoglu

doi:10.1016/j.triboint.2018.06.022

Influence of Mo on the high temperature wear performance of NiCrBSi hardfacings

Shaikh Asad Ali Dilawary, Amir Motallebzadeh, Erdem Atar, Huseyin Cimenoglu^*

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

This study investigates the effect of 10 wt% Mo alloying of NiCrBSi hardfacing on the microstructure and dry sliding wear performance at room temperature and elevated temperatures up to 700 °C. Mo additions refined the boride and carbide phases in the microstructure and formed a Mo-rich boro-carbide along with a 20% drop in its hardness. It further improved the wear resistance at all tested temperatures due to the formation of Mo oxides on the worn surfaces.

Original language	English
Pages (from-to)	288-295
Number of pages	8
Journal	Tribology International
Volume	127
DOIs	https://doi.org/10.1016/j.triboint.2018.06.022
Publication status	Published - Nov 2018

Bibliographical note

Publisher Copyright:
© 2018 Elsevier Ltd

Funding

Research grant of Istanbul Technical University [Grant number MDK-2017-40819 ] is gratefully acknowledged. PhD study grant provided by Higher Education Commission of Pakistan (Prov Award/HRD/OS-II/Turk/Batch-V/AD/Fall2014/ ) for Shaikh Asad Ali Dilawary is also acknowledged. Assistance by Mr. Ahmet Nazim of Gebze Technical University and Mr. Mert Altay of Istanbul Technical University, for SEM studies is highly appreciated. Senmak Co., Turkey deserves special mention for the provision of PTA facility. Research grant of Istanbul Technical University [Grant number MDK-2017-40819] is gratefully acknowledged. PhD study grant provided by Higher Education Commission of Pakistan (Prov Award/HRD/OS-II/Turk/Batch-V/AD/Fall2014/) for Shaikh Asad Ali Dilawary is also acknowledged. Assistance by Mr. Ahmet Nazim of Gebze Technical University and Mr. Mert Altay of Istanbul Technical University, for SEM studies is highly appreciated. Senmak Co., Turkey deserves special mention for the provision of PTA facility.

Funders	Funder number
Istanbul Teknik Üniversitesi	MDK-2017-40819
Higher Education Commision, Pakistan	Award/HRD/OS-II/Turk/Batch-V/AD/Fall2014/

Keywords

Hardfacing
High temperature wear
NiCrBSi
Oxide-layer

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10.1016/j.triboint.2018.06.022

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Influence of Mo on the high temperature wear performance of NiCrBSi hardfacings

Abstract

Bibliographical note

Funding

Keywords

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