Duplex surface treatment on ASTM A-36 steel by slide burnishing and powder pack boriding

A. Márquez-Herrera, A. Saldaña-Robles, M. Zapata-Torres, J. F. Reveles-Arredondo, J. A.Diosdado De la Peña

Research output: Contribution to journalArticlepeer-review

Abstract

In this work, a novel duplex surface treatment (DST) was done on ASTM (American Society for Testing and Materials) A-36 steel bar by combining burnishing and boriding processes. Initially, the slide burnishing method on ASTM A-36 steel was carried out using a burnishing force of 200 N and a travel speed of 127 mm/min. Then, powder pack boriding process was conducted on burnished steel at 950 °C for 5 h. The X-ray diffraction analysis shows the formation of the Fe2B phase. The hardness increases from 216 HV0.05 to 2290.3 HV0.05 for the burnished-boride sample. According to electrochemical impedance spectroscopy (EIS) and Tafel (potentiodynamic polarization) results, burnished-boride steel showed a higher corrosion resistance than that of boride steel.

Original languageEnglish
Article number103703
JournalMaterials Today Communications
Volume31
DOIs
StatePublished - Jun 2022

Keywords

  • Boriding
  • Burnishing
  • Corrosion
  • Hardness

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