Metallographic analysis and electrical resistivity of the 1045 steel after being heat-treated

Authors

  • M. Quiroga Agurto National University of San Marcos
  • E. Medrano Atencio National University of San Marcos
  • F. A. Reyes Navarro National University of San Marcos
  • J. G. Miranda Ramos Universidad Nacional Mayo de San Marcos

Keywords:

Steel, Electrical resistivity, Quenching, Qustenite, Martensite

Abstract

Herein, it was studied the structural evolution of the AISI 1045 steel water-quenched and oilquenched, respectively, from a temperature higher than the critical to various temperatures between 800 and 820°C. The two quenching media were used at 16.5°C.  Microstructural variations occurred in the quenched 1045 steel. Also, by using the four-terminal sensing, it was measured the evolution of the electrical resistivity of the quenched samples; it was found that quenching at different temperatures provoked a complex behavior. It was noticed a major increase in the electrical resistivity in the case of water-quenched samples. Besides, when compared samples before and after being heat-treated, via a metallographic analysis, it was showed an evolution of the phases of steel, what has a link with the evolution of the electrical resistivity, which was measured according to the increase of the austenitizing temperature.

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Published

2017-06-30

How to Cite

[1]
M. Quiroga Agurto, E. Medrano Atencio, F. A. Reyes Navarro, and J. G. Miranda Ramos, “Metallographic analysis and electrical resistivity of the 1045 steel after being heat-treated”, J Met Mater Miner, vol. 27, no. 1, Jun. 2017.

Issue

Vol. 27 No. 1 (2017)

Section

Original Research Articles

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