Abstract
Thermal desorption spectroscopy (TDS) was originally a surface characterization technique but has become a widely used method to investigate the phenomenon of hydrogen trapping in metallic materials. Within the present chapter, this technique will be reviewed in detail. Therefore, the complete measurement procedure will be addressed. A primary concern will be the introduction of hydrogen into the material; this review will provide an overview of the different hydrogen charging procedures. After charging, the diffusible hydrogen will immediately start to escape from the charged sample due to the high hydrogen mobility, as illustrated in this chapter. The major part of this chapter will be dedicated to the TDS measurement itself where focus will be on the treatment and modeling of the obtained data. Finally, attention will be given to the electrochemical permeation technique which can be used in combination with TDS and provides supplementary information of the interaction between hydrogen and metal.
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