Re-evaluation of effective carbon number (ECN) approach to predict response factors of ‘compounds lacking authentic standards or surrogates’ (CLASS) by thermal desorption analysis with GC–MS

2014 ◽  
Vol 851 ◽  
pp. 14-22 ◽  
Author(s):  
Jan E. Szulejko ◽  
Ki-Hyun Kim
Keyword(s):  
Thermal Desorption ◽  
Carbon Number ◽  
Response Factors ◽  
Thermal Desorption Analysis

scholarly journals Modeling Thermal Desorption Analysis of Hydrogen in Steel

2006 ◽  
Vol 46 (9) ◽  
pp. 1381-1387 ◽  
Author(s):  
Masato Enomoto ◽  
Daisuke Hirakami ◽  
Toshimi Tarui
Keyword(s):  
Thermal Desorption ◽  
Thermal Desorption Analysis

Thermal desorption analysis for hydrogen trapping in microalloyed high-strength steels

2017 ◽  
Vol 61 (4) ◽  
pp. 637-648 ◽  
Author(s):  
Enrico Steppan ◽  
Philipp Mantzke ◽  
Benjamin R. Steffens ◽  
Michael Rhode ◽  
Thomas Kannengiesser
Keyword(s):  
Thermal Desorption ◽  
High Strength Steels ◽  
High Strength ◽  
Hydrogen Trapping ◽  
Thermal Desorption Analysis

Comparison of Hydrogen Thermal Desorption Analysis Curves of Electron-Irradiated F82H and Creep-Ruptured Pure Fe Obtained by Experiments and Simulations

2021 ◽  
Vol 1024 ◽  
pp. 135-144
Author(s):  
Takuya Kamimura ◽  
Hayato Yamashita ◽  
Koichi Sato ◽  
Tsunakazu Ohyama ◽  
Yoshinori Kimoto ◽  
...  
Keyword(s):  
Grain Boundaries ◽  
Thermal Desorption ◽  
Rate Theory ◽  
Hydrogen Atoms ◽  
Positron Annihilation Lifetime ◽  
Solute Atoms ◽  
Simulation Results ◽  
Diffusion Of Hydrogen ◽  
Trapping Sites ◽  
Thermal Desorption Analysis

Herein, we compared thermal desorption analysis (TDA) curves obtained by conducting experiments and simulations. In addition, we discussed the validation of our simulations and trapping sites of hydrogen atoms. In as-received F82H, when the samples contained solute atoms, grain boundaries, dislocations, and precipitates, the experimental curve corresponded to the simulated curve. In positron annihilation lifetime (PAL) measurements, di-vacancies were detected in the electron-irradiated F82H. When we changed the growth and the concentration of vacancy-type defects during temperature increase using the rate theory, the simulation results agreed with experiment results. In creep-ruptured Fe, only dislocations were detected by the PAL measurements. However, the existence of a type of defect, which was related to grain boundaries, must be assumed to fit the simulation curve to the experimental one. In the next step, the diffusion of hydrogen atoms on grain boundaries should be added to simulation program.

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