Author’s Accepted Manuscript Rayleigh Surface wave based non linear ultrasound to assess effect of precipitation hardening during tempering in P92 steel Minati Kumari Sahu, J. Swaminathan, N.R. Bandhoypadhyay, S.Palit Sagar PII: S0921-5093(17)30909-7 DOI: http://dx.doi.org/10.1016/j.msea.2017.07.014 Reference: MSA35262 To appear in: Materials Science & Engineering A Received date: 8 March 2017 Revised date: 7 July 2017 Accepted date: 8 July 2017 Cite this article as: Minati Kumari Sahu, J. Swaminathan, N.R. Bandhoypadhyay and S.Palit Sagar, Rayleigh Surface wave based non linear ultrasound to asses effect of precipitation hardening during tempering in P92 steel, Materials Science & Engineering A, http://dx.doi.org/10.1016/j.msea.2017.07.014 This is a PDF file of an unedited manuscript that has been accepted fo publication. As a service to our customers we are providing this early version o the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting galley proof before it is published in its final citable form 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 www.elsevier.com/locate/msea