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Title: Dry sliding wear resistance of cobalt boride coatings formed on ASTM F1537 alloy

Abstract

New results about the wear resistance of CoB-Co2B coatings under dry sliding conditions were estimated in this work. The cobalt boride coatings were developed at the surface of the ASTM F1537 alloy by means of the powder-pack boriding process using two experimental conditions: 1223K with 6h of exposure and 1273K with 10h of exposure. Before the sliding wear tests, Vickers depth-sensing microindentation tests were conducted on the cross section of the cobalt boride coatings to estimate the distribution of hardness, Young's modulus, and residual stresses. Otherwise, the sliding wear tests were performed on both boriding conditions and on the untreated material, using a ball-on-flat configuration comprised of an alumina ball as a counterpart with applied loads between 5 and 20N. The wear rates of the borided ASTM F1537 alloy were ranged between 4.02 and 8.91x10(-6) mm(3) N-1 m(-1) compared with the values of the untreated material (13.90 and 15.78x10(-6) mm(3) N-1 m(-1)) for the overall set of experimental conditions; nevertheless, the influence of boriding conditions (1273K with 10h of exposure) tended to increase the CoB coating thickness, developing a more brittle layer that decreased the sliding wear resistance at the surface of the borided ASTM F1537 alloy. Finally, the presencemore » of failure mechanisms on the surface of the wear tracks was analyzed for both borided ASTM F1537 alloy and untreated material.« less

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional (CINVESTAV-IPN)
OSTI Identifier:
1530878
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Journal of Materials Engineering and Performance
Additional Journal Information:
Journal Volume: 28; Journal Issue: 4
Country of Publication:
United States
Language:
English
Subject:
boriding; cobalt boride coatings; failure mechanisms; friction coefficient; wear resistance

Citation Formats

Campos-Silva, I., Vega-Morón, R. C., Reséndiz-Calderón, C. D., Bravo-Bárcenas, D., Eryilmaz, O. L., Kahvecioglu-Feridun, O., and Rodríguez-Castro, G. Dry sliding wear resistance of cobalt boride coatings formed on ASTM F1537 alloy. United States: N. p., 2019. Web. doi:10.1007/s11665-019-04012-3.
Campos-Silva, I., Vega-Morón, R. C., Reséndiz-Calderón, C. D., Bravo-Bárcenas, D., Eryilmaz, O. L., Kahvecioglu-Feridun, O., & Rodríguez-Castro, G. Dry sliding wear resistance of cobalt boride coatings formed on ASTM F1537 alloy. United States. doi:10.1007/s11665-019-04012-3.
Campos-Silva, I., Vega-Morón, R. C., Reséndiz-Calderón, C. D., Bravo-Bárcenas, D., Eryilmaz, O. L., Kahvecioglu-Feridun, O., and Rodríguez-Castro, G. Mon . "Dry sliding wear resistance of cobalt boride coatings formed on ASTM F1537 alloy". United States. doi:10.1007/s11665-019-04012-3.
@article{osti_1530878,
title = {Dry sliding wear resistance of cobalt boride coatings formed on ASTM F1537 alloy},
author = {Campos-Silva, I. and Vega-Morón, R. C. and Reséndiz-Calderón, C. D. and Bravo-Bárcenas, D. and Eryilmaz, O. L. and Kahvecioglu-Feridun, O. and Rodríguez-Castro, G.},
abstractNote = {New results about the wear resistance of CoB-Co2B coatings under dry sliding conditions were estimated in this work. The cobalt boride coatings were developed at the surface of the ASTM F1537 alloy by means of the powder-pack boriding process using two experimental conditions: 1223K with 6h of exposure and 1273K with 10h of exposure. Before the sliding wear tests, Vickers depth-sensing microindentation tests were conducted on the cross section of the cobalt boride coatings to estimate the distribution of hardness, Young's modulus, and residual stresses. Otherwise, the sliding wear tests were performed on both boriding conditions and on the untreated material, using a ball-on-flat configuration comprised of an alumina ball as a counterpart with applied loads between 5 and 20N. The wear rates of the borided ASTM F1537 alloy were ranged between 4.02 and 8.91x10(-6) mm(3) N-1 m(-1) compared with the values of the untreated material (13.90 and 15.78x10(-6) mm(3) N-1 m(-1)) for the overall set of experimental conditions; nevertheless, the influence of boriding conditions (1273K with 10h of exposure) tended to increase the CoB coating thickness, developing a more brittle layer that decreased the sliding wear resistance at the surface of the borided ASTM F1537 alloy. Finally, the presence of failure mechanisms on the surface of the wear tracks was analyzed for both borided ASTM F1537 alloy and untreated material.},
doi = {10.1007/s11665-019-04012-3},
journal = {Journal of Materials Engineering and Performance},
number = 4,
volume = 28,
place = {United States},
year = {2019},
month = {4}
}