Dataset: The role of oxygen interstitials in the corrosion behavior of biomedical β-phase Ti-12Mo-5Hf alloy exposed to simulated inflammatory environment

Title: The role of oxygen interstitials in the corrosion behavior of biomedical β-phase Ti-12Mo-5Hf alloy exposed to simulated inflammatory environment Authors: Agata Sotniczuk, Witold Chromiński, Damian Kalita, Magdalena Gawęda, Halina Garbacz, Chenyang Xie, Junhui Tang, Fan Sun, Kevin Ogle Corresponding Author: Agata Sotniczuk ORCID: 0000-0002-3468-0468 This record contains files generated in the preparation process of the following publication:The role of oxygen interstitials in the corrosion behavior of biomedical β-phase Ti-12Mo-5Hf alloy exposed to simulated inflammatory environmentsubmitted to Electrochimica Acta (Elsevier) This research was funded in whole by National Science Centre, Poland [2023/48/C/ST11/00085]: Sonatina 7 grant. Designations:Ti12Mo5Hf: titanium alloy with 12 weight % of molybdenum and 5 weight % of hafnium fabricated by arc melting technique followed by multiple pass cold rolling up to 6 mm thickness and heat treatment at 950 Celsius degrees for 30 minutes and fast colling in waterTi12Mo5Hf0.3O: titanium alloy with 12 weight % of molybdenum, 5 weight % of hafnium and 0.3 weight % of oxygen (achieved by adding TiO2 powder) fabricated by arc melting technique followed by multiple pass cold rolling up to 6 mm thickness and heat treatment at 950 Celsius degrees for 30 minutes and fast colling in waterEBSD: Electron backscattered diffractionPBS+33mM H2O2: Phosphate buffer saline solution enriched with 33 millimoles of hydrogen peroxide OCP: Open circuit potentialAESEC: Atomic emission spectroelectrochemistry ICP-MS: Inductively coupled plasma mass spectrometrySEM: Scanning electron microscopyTEM: Transmission electron microscopySTEM: Scanning transmission electron microscopyEDS: Energy dispersive spectroscopyvTi - dissolution rate for titanium [ng·s^-1·cm^-2]vMo - dissolution rate for molybdenum [ng·s^-1·cm^-2]vHf - dissolution rate for hafnium [ng·s^-1·cm^-2]Potential vs. Ag/AgCl [V] - electrochemical potential vs. saturated silver chloride electrodePotential vs. SCE [V] - electrochemical potential vs. saturated calomel electrode jƩ - total elemental current [µA·cm^-2]|je| - modulus of total electrochemical current [µA·cm^-2] Files formats: Raw data and calculated results of EBSD: .bcf, .ctf, .docx; AESEC: .dta, .xlsx; ICP-MS: .xlsx; SEM: .jpg; TEM: .jpg; TEM_EDS: .jpg; STEM: .jpg Folders content:EBSD: contains files with Ti12Mo5Hf and Ti12Mo5Hf0.3O microstructures with 200x magnificationsAESEC: contains files with signal intensities registered during AESEC experiments conducted at OCP for 1200s, than under potentiostatic polarization at -1V vs. Ag/AgCl for 1200 s and then OCP monitoring. Contains files with OCP, electrochemical potential and electrochemical current registered during AESEC experiments. Contains files with calculated elemental dissolution during whole AESEC experiments and with calculated total elemental current for potentiostatic polarization part of AESEC experimentICP-MS: contains concentration of titanium, molybdenum and hafnium ions registered after 2h, 24h and 7 days of Ti12Mo5Hf and Ti12Mo5Hf0.3O immersion in PBS+33mM H2O2. File contains also average and standard deviated values for registered concentrationsSEM: contains micrographs with surface morphology (top-view) of Ti12Mo5Hf and Ti12Mo5Hf0.3O exposed to PBS+33mM H2O2 for 2h, 24h and 7 daysTEM: contains micrographs of alloy/oxide film interface (cross-section) of Ti12Mo5Hf and Ti12Mo5Hf0.3O exposed to PBS+33mM H2O2 for 7 days. Contains micrograph of Ti12Mo5Hf0.3O/ air-formed oxide film interfaceTEM_EDS: contains images and net count of titanium, molybdenum, hafnium and oxygen signal registered for the alloy/oxide film interface (cross-section) of Ti12Mo5Hf and Ti12Mo5Hf0.3O exposed to PBS+33mM H2O2 for 7 days. Contains image and net count of oxygen signal registered for Ti12Mo5Hf0.3O/ air-formed oxide film interfaceSTEM: contains micrograph of Ti12Mo5Hf0.3O/oxide film interface after 7 days of alloy immersion in PBS+33mM H2O2 Data are published under Creative Commons Zero v1.0 Universal (CC0) license Content of data files is described in details in README_EA2026.txt file How to cite Dataset: Sotniczuk, A., Chrominski, W., Kalita, D., Gawęda, M., Garbacz, H., Xie, C., Tang, J., Sun, F., & Ogle, K. (2026). Dataset: The role of oxygen interstitials in the corrosion behavior of biomedical β-phase Ti-12Mo-5Hf alloy exposed to simulated inflammatory environment [Data set]. Zenodo. https://doi.org/10.5281/zenodo.19462164