Nondestructive Detection of Hydrides and Alpha-Case in Titanium Alloys

  • Donald J. Hagemaier


Titanium and titanium alloys have a strong affinity for the elements hydrogen and oxygen. Hydrogen can be absorbed at elevated temperatures from water vapor, oil, or other hydrocarbons, and hydrogen atmospheres used for furnace or induction brazing. Current specifications limit hydrogen content to 50 to 150 ppm depending on the alloy and mill product. Above these contents, hydrides may form which can embrittle titanium alloys and cause cracking.


Titanium Alloy Nondestructive Test Parent Metal Titanium Hydride Neutron Radiography 
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  1. 1.
    Hagemaier, D. and Halchak, J., “Detection of Titanium Hydride by Neutron Radiography,” Materials Evaluation; Vol. XXVII, Sept 1969, pp 193–198.Google Scholar
  2. 2.
    Wood, D. E., “Some Principles of Activation Analysis,” Kaman Nuclear, Report Kn-68–7 (R), February 1968, Kaman Nuclear, Colorado Springs, Colorado.Google Scholar
  3. 3.
    Moon, D. F., “Ultrasonic Detection of Titanium Hydride,” Douglas Aircraft Co., Specification DPS 4. 713–3, March 1971.Google Scholar

Copyright information

© Springer Science+Business Media New York 1973

Authors and Affiliations

  • Donald J. Hagemaier
    • 1
  1. 1.Douglas Aircraft CompanyMcDonnell Douglas CorporationLong BeachUSA

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