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Tribocorrosion Behavior of Heat-Treated SS 316L, cpTi, and Ti-6Al-4V for Biomedical Implants.

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Title: Tribocorrosion Behavior of Heat-Treated SS 316L, cpTi, and Ti-6Al-4V for Biomedical Implants.
Authors: Kumar, Rupesh1,2 (AUTHOR) rupeshkumar.rs.mec19@itbhu.ac.in, Gautam, R. K.1 (AUTHOR) rkg.mec@itbhu.ac.in
Source: Journal of Materials Engineering & Performance. Mar2026, Vol. 35 Issue 11, p10480-10491. 12p.
Subjects: Tribo-corrosion, Titanium, Physiologic salines, Artificial implants, Corrosion resistance, Stainless steel, Titanium-aluminum-vanadium alloys
Abstract: The tribocorrosion behavior of implant materials plays a critical role in their long-term performance, especially in harsh physiological environments. This study investigates the tribocorrosion response of three commonly used metallic biomaterials: stainless steel 316L (SS 316L), commercially pure titanium (cpTi), and Ti-6Al-4V alloy, all annealed at 900 °C for 2 hours. These tests were performed in simulated body fluid (SBF) at 37 °C to mimic human physiological conditions. Open-circuit potential (OCP) and potentiodynamic polarization (PDP) tribocorrosion tests were conducted to analyze the corrosion potential, current density, wear rate, and passivation behavior. Upon initiation of mechanical wear, the OCP dropped significantly, indicating passive film breakdown: from 172, 621, and 488 mV to − 347, − 1020, and − 930 mV for SS 316L, cpTi, and Ti-6Al-4V, respectively. SS 316L showed the lowest wear volume (0.008914 mm3) under OCP conditions, which increased significantly to 0.192778 mm3 under PDP, accompanied by pitting corrosion. In contrast, Ti-6Al-4V alloy displayed a decrease in wear volume from 0.33 mm3 in OCP to 0.30 mm3 in PDP under similar conditions. These findings highlight the superior tribocorrosion resistance and biocompatibility of titanium-based materials over SS 316L, affirming their greater suitability for biomedical implant applications in corrosive physiological environments. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Group: Ti
  Data: Tribocorrosion Behavior of Heat-Treated SS 316L, cpTi, and Ti-6Al-4V for Biomedical Implants.
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  Data: <searchLink fieldCode="AR" term="%22Kumar%2C+Rupesh%22">Kumar, Rupesh</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> rupeshkumar.rs.mec19@itbhu.ac.in</i><br /><searchLink fieldCode="AR" term="%22Gautam%2C+R%2E+K%2E%22">Gautam, R. K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rkg.mec@itbhu.ac.in</i>
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  Data: <searchLink fieldCode="DE" term="%22Tribo-corrosion%22">Tribo-corrosion</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium%22">Titanium</searchLink><br /><searchLink fieldCode="DE" term="%22Physiologic+salines%22">Physiologic salines</searchLink><br /><searchLink fieldCode="DE" term="%22Artificial+implants%22">Artificial implants</searchLink><br /><searchLink fieldCode="DE" term="%22Corrosion+resistance%22">Corrosion resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Stainless+steel%22">Stainless steel</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium-aluminum-vanadium+alloys%22">Titanium-aluminum-vanadium alloys</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The tribocorrosion behavior of implant materials plays a critical role in their long-term performance, especially in harsh physiological environments. This study investigates the tribocorrosion response of three commonly used metallic biomaterials: stainless steel 316L (SS 316L), commercially pure titanium (cpTi), and Ti-6Al-4V alloy, all annealed at 900 °C for 2 hours. These tests were performed in simulated body fluid (SBF) at 37 °C to mimic human physiological conditions. Open-circuit potential (OCP) and potentiodynamic polarization (PDP) tribocorrosion tests were conducted to analyze the corrosion potential, current density, wear rate, and passivation behavior. Upon initiation of mechanical wear, the OCP dropped significantly, indicating passive film breakdown: from 172, 621, and 488 mV to − 347, − 1020, and − 930 mV for SS 316L, cpTi, and Ti-6Al-4V, respectively. SS 316L showed the lowest wear volume (0.008914 mm3) under OCP conditions, which increased significantly to 0.192778 mm3 under PDP, accompanied by pitting corrosion. In contrast, Ti-6Al-4V alloy displayed a decrease in wear volume from 0.33 mm3 in OCP to 0.30 mm3 in PDP under similar conditions. These findings highlight the superior tribocorrosion resistance and biocompatibility of titanium-based materials over SS 316L, affirming their greater suitability for biomedical implant applications in corrosive physiological environments. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Physiologic salines
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      – SubjectFull: Corrosion resistance
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      – TitleFull: Tribocorrosion Behavior of Heat-Treated SS 316L, cpTi, and Ti-6Al-4V for Biomedical Implants.
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              Text: Mar2026
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              Y: 2026
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