Journal Pre-proof Surface hardening characteristics of microalloyed steel during ex-situ and in-situ Al 2 O 3 reinforcement under TIG arcing Deepak Sharma, Prakriti Kumar Ghosh, Nilesh Kumar, Ramkishor Anant PII: S0257-8972(19)30991-0 DOI: https://doi.org/10.1016/j.surfcoat.2019.125002 Reference: SCT 125002 To appear in: Surface & Coatings Technology Received Date: 23 July 2019 Revised Date: 31 August 2019 Accepted Date: 17 September 2019 Please cite this article as: D. Sharma, P.K. Ghosh, N. Kumar, R. Anant, Surface hardening characteristics of microalloyed steel during ex-situ and in-situ Al 2 O 3 reinforcement under TIG arcing, Surface & Coatings Technology (2019), doi: https://doi.org/10.1016/j.surfcoat.2019.125002. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier B.V.