scholarly journals Investigation of the Pressure Dependent Hydrogen Solubility in a Martensitic Stainless Steel Using a Thermal Agile Tubular Autoclave and Thermal Desorption Spectroscopy

Metals ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 231
Author(s):  
Patrick Fayek ◽  
Sebastian Esser ◽  
Vanessa Quiroz ◽  
Chong Dae Kim
Keyword(s):  
Stainless Steel ◽  
Thermal Desorption ◽  
Hydrogen Diffusion ◽  
Martensitic Stainless Steel ◽  
Thermal Desorption Spectroscopy ◽  
Hydrogen Uptake ◽  
Hydrogen Solubility ◽  
Automotive Components ◽  
Set Up ◽  
Service Application

Hydrogen is nowadays in focus as an energy carrier that is locally emission free. Especially in combination with fuel-cells, hydrogen offers the possibility of a CO2 neutral mobility, provided that the hydrogen is produced with renewable energy. Structural parts of automotive components are often made of steel, but unfortunately they may show degradation of the mechanical properties when in contact with hydrogen. Under certain service conditions, hydrogen uptake into the applied material can occur. To ensure a safe operation of automotive components, it is therefore necessary to investigate the time, temperature and pressure dependent hydrogen uptake of certain steels, e.g., to deduct suitable testing concepts that also consider a long term service application. To investigate the material dependent hydrogen uptake, a tubular autoclave was set-up. The underlying paper describes the set-up of this autoclave that can be pressurised up to 20 MPa at room temperature and can be heated up to a temperature of 250 °C, due to an externally applied heating sleeve. The second focus of the paper is the investigation of the pressure dependent hydrogen solubility of the martensitic stainless steel 1.4418. The autoclave offers a very fast insertion and exertion of samples and therefore has significant advantages compared to commonly larger autoclaves. Results of hydrogen charging experiments are presented, that were conducted on the Nickel-martensitic stainless steel 1.4418. Cylindrical samples 3 mm in diameter and 10 mm in length were hydrogen charged within the autoclave and subsequently measured using thermal desorption spectroscopy (TDS). The results show how hydrogen sorption curves can be effectively collected to investigate its dependence on time, temperature and hydrogen pressure, thus enabling, e.g., the deduction of hydrogen diffusion coefficients and hydrogen pre-charging concepts for material testing.

Thermal Desorption of Hydrogen from AISI 316L Stainless Steel and Pure Nickel

2013 ◽  
Vol 344 ◽  
pp. 71-77 ◽  
Author(s):  
Olga Todoshchenko ◽  
Yuriy Yagodzinskyy ◽  
Hannu Hänninen
Keyword(s):  
Stainless Steel ◽  
Thermal Desorption ◽  
316L Stainless Steel ◽  
Hydrogen Diffusion ◽  
Thermal Desorption Spectroscopy ◽  
Hydrogen Uptake ◽  
Pure Metal ◽  
Pure Nickel ◽  
Aisi 316L ◽  
Aisi 316L Stainless Steel

Hydrogen diffusion and trapping in AISI 316L stainless steel and pure nickel are studied with thermal desorption spectroscopy method. Specific features of hydrogen uptake and desorption for a multi-component alloy in comparison with that for pure metal and the effects of hydrogen concentration profile after electrochemical charging on the hydrogen desorption are discussed. It is shown that hydrogen diffusion and trapping in multi-component alloy are caused by the specific atomic distribution of hydrogen in the crystal lattice of alloy.

Hydrogen Diffusion in Super 13% Chromium Martensitic Stainless Steel

CORROSION ◽  
2005 ◽  
Vol 61 (4) ◽  
pp. 348-354 ◽  
Author(s):  
G. Hinds ◽  
J. Zhao ◽  
A. J. Griffiths ◽  
A. Turnbull
Keyword(s):  
Stainless Steel ◽  
Hydrogen Diffusion ◽  
Martensitic Stainless Steel

scholarly journals Thermal Desorption Spectroscopy of Stainless Steel Plates with Different Surface Treatments.

Shinku ◽  
1993 ◽  
Vol 36 (3) ◽  
pp. 238-241 ◽  
Author(s):  
Sakae INAYOSHI ◽  
Kazuya SAITOH ◽  
Yoshinao IKEDA ◽  
Yixin YANG ◽  
Sonoko TSUKAHARA
Keyword(s):  
Stainless Steel ◽  
Thermal Desorption ◽  
Thermal Desorption Spectroscopy ◽  
Surface Treatments ◽  
Steel Plates

Hydrogen Uptake, Tensile, and Fatigue Properties of a Barrier-Coated, Precipitation-Hardened Martensitic Stainless Steel With Exposure to High-Pressure Hydrogen Gas

2020 ◽  
Vol 142 (4) ◽  
Author(s):  
Junichiro Yamabe ◽  
Saburo Matsuoka
Keyword(s):  
Stainless Steel ◽  
Secondary Ion Mass Spectrometry ◽  
Martensitic Stainless Steel ◽  
Hydrogen Uptake ◽  
Tensile Tests ◽  
Fatigue Tests ◽  
Hydrogen Gas ◽  
Fatigue Properties ◽  
Hydrogen Trapping ◽  
Pressure Cycle

Abstract Hydrogen uptake, tensile, and fatigue properties of a precipitation-hardened martensitic stainless steel with a newly developed coating (alumina/aluminum/Fe–Al) were presented. The developed coating had an excellent resistance to hydrogen entry in 100-MPa hydrogen gas at 270 °C. Measurements of bulk and local hydrogen by thermal desorption analysis and secondary-ion mass spectrometry (SIMS) suggested that the excellent resistance was attributed to the reduction in permeation areas by interfacial hydrogen trapping between the aluminum and Fe–Al layers. Tensile tests of a smooth, round-bar specimen, and fatigue tests of a circumferentially notched specimen after exposure to 100-MPa hydrogen gas at 270 °C were performed in air at room temperature (RT). These properties of the coated specimens were not degraded by hydrogen exposure, whereas those of the noncoated specimens were significantly degraded. Hydrogen-pressure cycle tests of coated, tubular specimens with an inner notch in 95-MPa hydrogen gas at 85 °C also demonstrated that the fatigue life was improved by the coating.

Microstructural Characterization of ZrO2 Layer Coating on Martensitic Stainless Steel

2012 ◽  
Vol 165 ◽  
pp. 88-92
Author(s):  
Siti Hawa Mohamed Salleh ◽  
Mohd Zaidi Omar ◽  
Mohd Nazree Derman ◽  
Che Abdullah Salmie Suhana
Keyword(s):  
Stainless Steel ◽  
Martensitic Stainless Steel ◽  
High Carbon Steel ◽  
Microstructural Characterization ◽  
Coated Sample ◽  
Electrolytic Deposition ◽  
X Ray Diffraction ◽  
Automotive Components ◽  
Scanning Electron

High carbon steel stainless steel such as 440C martensitic stainless steel, are commonly used for automotive components, such as ball bearings, races, gage blocks and valve. In this study, 440C steel was coated with ZrO2 by electrolytic deposition in ZrO(NO3)2 aqueous solution. After annealing, the ZrO2 coated specimens were characterized by x-ray diffraction (XRD) and scanning electron microscope (SEM). Scanning electron micrograph showed that thickness of the coated sample was approximately 0.7µm. Besides that, secondary hardening effect occurred on the annealed SS440C substrate and it might be due to the presence of secondary carbide.

scholarly journals Effect of Specimen Geometry on the Thermal Desorption Spectroscopy Evaluated by Two-Dimensional Diffusion-Trapping Coupled Model

Materials ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1374
Author(s):  
Yafei Wang ◽  
Songyan Hu ◽  
Guangxu Cheng
Keyword(s):  
Thermal Desorption ◽  
Hydrogen Diffusion ◽  
Coupled Model ◽  
Thermal Desorption Spectroscopy ◽  
Mass Conservation ◽  
Specimen Geometry ◽  
Specimen Preparation ◽  
Two Dimensional ◽  
Dimensional Diffusion ◽  
Transfer Procedures

The hydrogen diffusion process in ferritic steel during thermal desorption tests was simulated using the finite element method based on the two-dimensional diffusion-trapping coupled model. This model was first verified by experimental data to obtain a physically meaningful combination of trap/lattice parameters. Then, the effect of specimen geometry was studied by varying the height of cylindrical specimens with other parameters fixed at constant values. Simulation of desorption spectra with different specimen geometries indicates that the measurement of hydrogen concentration is not affected by the change in specimen geometry due to the mass conservation law, for original thermal desorption spectra (TDS), which are, however, unlikely to be detected in traditional experiments due to the necessity of specimen transfer procedures. Considering the hydrogen escape during rest time (specimen preparation/transfer/evacuation), the measured TDS curves are expected to be strongly dependent on the specimen geometry. The effect of specimen geometry on desorption spectra is more pronounced for smaller specimens, resulting in the dramatic decrease in peak flux and the increased error of Kissinger method in the determination of trap deactivation energy. The present study may contribute to better understanding and more reliable interpretation of the TDS curves by considering the size effect.

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