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<p>Detecting oxygen content in commercially pure titanium (CP-Ti) is essential, especially in additive manufacturing processes where contamination is problematic. Traditional analyses are expensive and require significant amounts of material. In titanium, oxygen content corresponds to increasing <i>β</i> transus temperatures. Differential scanning calorimetry (DSC) was used on titanium materials to determine <i>β</i> transus temperatures, which were confirmed by independent oxygen analyses, and used in CALPHAD modeling. Analysis suggested DSC could be a less expensive method of determining oxygen content in CP-Ti.</p>

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The Use of DSC and Independent Oxygen Analyses to Correlate the β Transus Temperature in CP-Ti Grade 2 Materials Processed via Different Techniques

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月31日

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  • Hannah E. Sims,
  • Badri K. Narayanan,
  • Sesh A. Tamirisakandala,
  • Matthew S. Dahar,
  • John J. Lewandowski

摘要

Detecting oxygen content in commercially pure titanium (CP-Ti) is essential, especially in additive manufacturing processes where contamination is problematic. Traditional analyses are expensive and require significant amounts of material. In titanium, oxygen content corresponds to increasing β transus temperatures. Differential scanning calorimetry (DSC) was used on titanium materials to determine β transus temperatures, which were confirmed by independent oxygen analyses, and used in CALPHAD modeling. Analysis suggested DSC could be a less expensive method of determining oxygen content in CP-Ti.