Hydrogen trapping in martensitic steel investigated using electrochemical permeation and thermal desorption spectroscopy

Frappart, S.; Oudriss, A.; Feaugas, X.; Creus, J.; Bouhattate, J.; Thébault, Florian; Delattre, Laurent; Marchebois, Herve

doi:10.1016/j.scriptamat.2011.07.042

Cited by 100 publications

(49 citation statements)

References 37 publications

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“…The determined binding energies for such hydrogen range between 0.29 and 0.59 eV and thus, can be attributed to trapped hydrogen at dislocations, grain boundaries, between the martensite laths [10]. The fact that such a second peak also appears during the synchrotron radiation experiments probably corresponds to the released trapped hydrogen that diffuses through the lattice and thus, causes some deterioration of the lattice parameter again.…”

Section: Resultsmentioning

confidence: 94%

“…As tools for investigating potential hydrogen traps, several experimental methods were discussed regarding their potentials to characterize the physical nature of hydrogen traps. These methods include the hydrogen permeation technique [9,10] and hydrogen thermal desorption spectroscopy (TDS) [11][12][13]. The thermal desorption spectrometry method presents a very effective procedure for the identification of different types of trapping sites and for the measurement of their binding energy and density.…”

Section: Introductionmentioning

confidence: 99%

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In situ synchrotron X-ray radiation analysis of hydrogen behavior in stainless steel subjected to continuous heating

et al. 2012

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Hydrogen generally causes lattice distortions and phase transformations when introduced into a metallic crystal lattice. For the investigations reported in this contribution, hydrogen thermal desorption analysis has been carried out to observe the influence of hydrogen desorption on the lattice of super martensitic stainless steel during continuous heating. The lattice expansion parameter and the phase transformations have been monitored during the thermal desorption process, and the influence of hydrogen on such characteristics has been evaluated. It was found that hydrogen has a significant influence on both the lattice parameter and on the thermal expansion. However, hydrogen has no influence on phase transformation during thermal desorption. The hydrogen's desorption behavior in this process was also observed and it turned out that hydrogen desorbs in two stages, i.e., firstly diffusible hydrogen and trapped hydrogen afterward.

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Section: Resultsmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

In situ synchrotron X-ray radiation analysis of hydrogen behavior in stainless steel subjected to continuous heating

et al. 2012

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“…Challenges in characterizing the microstructure because of varying phases and/or compositional gradients, especially for alloyed steel, still have to be overcome. Quantification and assessment of trap site interactions with absorbed hydrogen play an important role for investigations [17]. According to Akiyama et al [18], diffusible hydrogen has been found to be the main contribution to HE.…”

Section: Introductionmentioning

confidence: 99%

Challenges in hydrogen quantification using Kelvin probe technique at different levels of relative humidity

Burgstaller

Schimo

Hassel

2017

J Solid State Electrochem

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Kelvin probe-based contact potential measurements were conducted with in situ electrochemical hydrogen loading of a Pd membrane with a thickness of 100 μm. The theoretical basis of diffusion coefficient calculation based on measured response time of potential drop, arising from hydrogen arriving at the detection side of the Pd membrane, was discussed. In situ hydrogen loading was also utilized for insertion of different amounts of hydrogen into the Pd sample while monitoring the resulting contact potential difference changes. Measurement of contact potential difference at different final values of hydrogen concentration in the Pd membrane was performed at various atmospheric conditions, focusing in this work on increasing relative humidity (4 to 85% rH). Moreover, the effect of humidity changes on hydrogen effusion kinetics at room temperature and low oxygen content (<1%) was studied.

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“…Numerous techniques have been developed in order to study hydrogen diffusion in metals and enabling determination of the hydrogen diffusion coefficient, amount of diffusible hydrogen as well as trapping effects. Thermal desorption spectroscopy [1][2][3][4] and electrochemical methods 1,[5][6][7][8] constitute a large part of these techniques. However, the number of techniques capable of visualizing diffusible hydrogen and its distribution in a metal sample is very limited.…”

Section: Introductionmentioning

confidence: 99%

Rolling Direction Dependent Diffusion Coefficients of Hydrogen in Ferritic Steel by SDCM Charging and SKP Probing

2016

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Hydrogen trapping in martensitic steel investigated using electrochemical permeation and thermal desorption spectroscopy

Cited by 100 publications

References 37 publications

In situ synchrotron X-ray radiation analysis of hydrogen behavior in stainless steel subjected to continuous heating

In situ synchrotron X-ray radiation analysis of hydrogen behavior in stainless steel subjected to continuous heating

Challenges in hydrogen quantification using Kelvin probe technique at different levels of relative humidity

Rolling Direction Dependent Diffusion Coefficients of Hydrogen in Ferritic Steel by SDCM Charging and SKP Probing

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