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hydrogen permeation behaviour in austenitic stainless

hydrogen permeation behaviour in austenitic stainless

Hydrogen Permeation Behavior of Stainless Steels

The surface of austenitic stainless steel SUS316L was treated with nitrogen-plasma and its hydrogen permeability function was investigated.On the stainless steel surface,a nitride phase and a nitrogen-dispersed phase were found 5 m from the surface.The nitride phase was mainly consisting of -Fe2-3N particles 0.1-0.4 m in size.This nitride phase had hydrogen permeability an order of results for this questionCan martensite cause hydrogen embrittlement?Can martensite cause hydrogen embrittlement?Regions poor in carbon and chromium are prone to strain-induced martensitic transformations and may be active hydrogen trapping sites.The role of martensite on hydrogen embrittlement in austenitic stainless steels has not been firmly established.Technical Reference on Hydrogen Compatibility of Materials results for this questionFeedbackHydrogen permeation behaviour in austenitic stainless Jul 15,1989·(4) The hydrogen permeation behaviour of the austenitic stainless steels is not significantly affected by the cold-working and heat treatment conditions of the materials.The trapping by lattice defects,such as dislocations,for hydrogen is not obvious in the experimental temperature range.

results for this questionIs hydrogen-assisted fracture necessary in stainless steel?Is hydrogen-assisted fracture necessary in stainless steel?Although generally viewed to be neither necessary nor sufficient to explain hydrogen-assisted fracture in austenitic stainless steels, martensite,in both sensitized and nonsensitized microstructures,is associated with lower resistance to hydrogen embrittlement.Technical Reference on Hydrogen Compatibility of Materials(4) The hydrogen permeation behaviour of the austenitic stainless steels is not significantly affected by the cold-working and heat treatment conditions of the materials.The trapping by lattice defects,such as dislocations,for hydrogen is not obvious in the experimental temperature range.Author:Sun Xiukui,Xu Jian,Li YiyiCited by:103Publish Year:1989Hydrogen permeation behaviour in austenitic stainless

Was this helpful?People also askWhat is the tensile property of 316 stainless steel?What is the tensile property of 316 stainless steel?Low temperature has been shown to have a significant effect on the hydrogen-assisted fracture of type 316 stainless steel.Smooth bar tensile properties of 316 at several temperatures between 380 K and 200 K,Table 3.1.1.2,show relatively modest changes in strength and ductility due to thermal precharging with hydrogen [8].Technical Reference on Hydrogen Compatibility of Materials(PDF) Hydrogen Permeation and Hydrogen-InducedHydrogen diffusion,trapping behavior,and solubility in nitrogen-containing austenitic alloys were evaluated using electrochemical permeation and thermal desorption spectroscopy.Hydrogen diffusion decreased when nitrogen concentration was higher than 0.38 wt% (Ningshen et al.,2001).

Cited by 103Publish Year 1989Author Sun Xiukui,Xu Jian,Li YiyiHydrogen permeation behaviour in austenitic stainless

Abstract The permeability,diffusivity and solubility of hydrogen in six types of austenitic stainless steel316L,316LN,21-69,21-9-9,304 and 321have been measured by a gaseous permeation technique in the temperature range 200430°C.The effect of the cold-working and heat treatment conditions and the alloy composition of the materials on hydrogen permeation has been investigated.Cited by 103Publish Year 1989Author Sun Xiukui,Xu Jian,Li YiyiHydrogen permeation behaviour in austenitic stainless Abstract.The permeability,diffusivity and solubility of hydrogen in six types of austenitic stainless steel316L,316LN,21-69,21-9-9,304 and 321have been measured by a gaseous permeation technique in the temperature range 200430°C.The effect of the cold-working and heat treatment conditions and the alloy composition of the materials on hydrogen permeation has been investigated.Cited by 29Publish Year 1999Author Tomofumi Shiraishi,Masabumi Nishikawa,Takahiro Yamaguchi,Kentaro KenmotsuHydrogen embrittlement testing of austenitic stainless The interaction between hydrogen and metastable austenitic stainless steels is a unique case.Hydrogen can facilitate the phase transformation of austenite to martensite,and the martensite phase is suspected to be more susceptible to hydrogen embrittlement.

Cited by 2Publish Year 2020Author Kyung-Shik Kim,Jee-Hyun Kang,Sung-Joon Kim(PDF) Hydrogen behaviour in a 22 Cr 5 Ni austenitic

Hydrogen behaviour is also affected by the temperature.All of these phenomena influence duplex stainless steels hydrogen embrittlement.In this work,the hydrogen behaviour in 22 Cr 5 Ni austenitic-ferritic stainless steel has been investigated.Cited by 3Publish Year 2006Author Yun Chen,Diogo M.F.Santos,César A.C.SequeiraHydrogen permeation behaviour and associated phase The effective diffusion coefficient and subsurface concentration of hydrogen in annealed AISI304 austenitic stainless steels have been measured by the electrochemical permeation method.The effects of different cathodic current densities on the effective diffusion coefficient,hydrogen concentration beneath the cathodic surface and steady state permeation current density have beenCited by 3Publish Year 2020Author Jiwei Lin,Feida Chen,Feng Liu,Dexin Xu,Jing Gao,Xiaobin TangHydrogen permeation behavior in metastable austenitic The hydrogen permeation parameters of these steels in annealed condition are consistent with stable austenitic stainless steels,but after cold deformation,the permeation and diffusion activation energies decrease xponentially with increasing tl content,the permeability and diffusivity increase xponentially with CL content.

Cited by 69Publish Year 1989Author Xiukui Sun,Jian Xu,Yiyi LiHydrogen permeation behavior in metastable austenitic

Abstract The hydrogen permeation behavior in metastable austenitic stainless steels 321 and 304 were investigated by an ultrahigh vacuum gaseous permeation technique at the temperature range 100400°C.The hydrogen permeation parameters of these steels in annealed condition are consistent with stable austenitic stainless steels,but after cold deformation,the permeation and diffusion Cited by 8Publish Year 2013Author Yong-Feng Li,Li-Min Zhao,Hong-Liang PanHydrogen permeation behaviour in austenitic stainless steelsTranslate this pageHydrogen permeation behaviour in austenitic stainless steels The permeability,diffusivity and solubility of hydrogen in six types of austenitic stainless steel316L,316LN,21-69,21-9-9,304 and 321have been measured by a gaseous permeation technique in the temperature range 200430°C.Dependence of the hydrogen permeation in stainless steel Made available by U.S.Department of Energy Office of Scientific and Technical Information

Gas phase hydrogen permeation through ferritic iron

OSTI.GOV Technical Report Gas phase hydrogen permeation through ferritic iron,austenitic stainless steel and neutron irradiated austenitic stainless steel from near 300/sup 0/K to 873/sup 0/KHYDROGEN PERMEATION BEHAVIOR IN METASTABLEAbstract-The hydrogen permeation behavior in metastable austenitic stainless steels 321 and 304 were investigated by an ultrahigh vacuum gaseous permeation technique at the temperature range 104OOC.The hydrogen permeation parameters of these steels in annealed condition are consistent with stableHydrogen Diffusion in Austenitic Stainless Steels The electrochemical permeation technique was used to evaluate the hydrogen diffusion,and analyse its interdependent solubility and trapping behaviour in 9 austenitic stainless steels.

Hydrogen Diffusion in Austenitic Stainless Steels

The electrochemical permeation technique was used to evaluate the hydrogen diffusion,and analyse its interdependent solubility and trapping behaviour in 9 austenitic stainless steels.The hydrogen diffusion of all alloys obeyed Arrhenius relationships in the temperature range between 25 °C to 100 °C.The apparent diffusion coefficients were determined and the relevant activation energies Hydrogen Diffusion in Austenitic Stainless Steels The electrochemical permeation technique was used to evaluate the hydrogen diffusion,and analyse its interdependent solubility and trapping behaviour in 9 austenitic stainless steels.The hydrogen diffusion of all alloys obeyed Arrhenius relationships in the temperature range between 25 °C to 100 °C.The apparent diffusion coefficients were determined and the relevant activation energies Hydrogen Permeation Behavior of Stainless SteelsHydrogen Permeation Behavior of Stainless Steels Treated with Nitrogen-Plasma 298 temperature exceeding 873 K,there is a possibility of deformation of the substrate or loss of corrosion resistance of the stainless steel owing to the formation of Cr-based nitride.Furthermore,the salt-bath method has the problem of emission of toxic gases.In

Hydrogen permeation behavior and hydrogen-induced

Aug 01,2020·The 316L austenitic stainless steel (SS),due to its sufficient tolerance for corrosion and radioactivity, Hydrogen permeation behaviour in austenitic stainless steels.Mater.Sci.Eng.,A,114 (1989),pp.179-187.Article Download PDF View Record in Scopus Google Scholar.Hydrogen permeation behavior and hydrogen-inducedthis work,we introduced H atoms into the selective laser melting (SLM) 316L stainless steel (SS) via two different H permeation methods and characterized its H permeation behavior andHydrogen permeation behavior in metastable austenitic Aug 01,1989·The hydrogen permeation parameters of these steels in annealed condition are consistent with stable austenitic stainless steels,but after cold deformation,the permeation and diffusion activation energies decrease exponentially with increasing content,the permeability and diffusivity increase exponentially with content.

Hydrogen permeation behavior in metastable austenitic

Hydrogen permeation behavior in metastable austenitic stainless steels 321 and 304 By Get PDF (520 KB)Hydrogen permeation behaviour and associated phase Aug 08,2012·The diffusivity and concentration of hydrogen in austenitic stainless steel have always been measured by means of an ultrahigh vacuum-gaseous phase permeation technique at high temperature [1315].The electrochemical permeation method had been proposed by Devanathan and Stachurski [3] and is most commonly used in measuring hydrogen diffusivity [1,3,12,22].Hydrogen permeation behaviour and associated phase The hydrogen permeation behavior in metastable austenitic stainless steels 321 and 304 were investigated by an ultrahigh vacuum gaseous permeation technique at the temperature range 100400°C.

Hydrogen permeation rates in Inconel,Hastelloy and

Dec 17,2017·Hydrogen permeation through several common stainless steels,as well as Inocnel and Hastelloy Though this result is about half of the previous at high temperature,I would trust it better,at least for annealed SS-304,and also for any annealed austenitic stainless steel.Interrogating the Effects of Hydrogen on the Behavior of Feb 27,2021·The effects of internal hydrogen on the deformation microstructures of 304L austenitic stainless steel have been characterized using electron backscattered diffraction (EBSD),transmission Kikuchi diffraction (TKD),high-resolution scanning transmission electron microscopy (HRSTEM),and nanoprobe diffraction.Model of local hydrogen permeability in stainless steel Apr 20,2021·From the hydrogen behaviour in Fig.3 d,e,we considered Component 1 to be austenite-derived hydrogen permeation and Component 2 to be martensite-derived hydrogen permeation.So,Fig.3 e can be read to mean that the permeation flux of the austenite component decreases as the martensite ratio increases while the permeation flux of martensite remains constant,independent of the

Model of local hydrogen permeability in stainless steel

Apr 20,2021·In the current study,we measured hydrogen permeation in several local regions of a sample of cold-worked dual-phase SUS304 stainless steel,with each region having a different martensite/austeniteNitrogen effect on hydrogen diffusivity and hydrogen Electrochemical permeation technique and thermal desorption spectroscopy were used to evaluate the hydrogen diffusion,solubility,and trapping behaviour in nitrogen containing austenitic alloys.Nitrogen effect on hydrogen diffusivity and hydrogen Jul 15,2020·Austenitic stainless steels are widely used in hydrogen environment due to their high resistance to hydrogen embrittlement.Austenite stability is crucial for these steels to suppress martensitic transformation which worsen the degradation of their mechanical properties by hydrogen [1,2].Nitrogen,which is a strong austenite stabilizer,is usually added to avoid strain-induced martensite.

Permeation of multi-component hydrogen isotopes through

The permeation behavior of hydrogen isotopes in the binary-component hydrogen isotopes system was also observed under various conditions and compared with the values from the model calculation.It is concluded in this study that the separation factor in permeation through austenitic stainless steels coincides with the isotope effect ratio in permeation.<P />Related searches for hydrogen permeation behaviour in auaustenitic stainless steel compositionaustenitic stainless steel usesmartensitic vs austenitic stainless steelaustenitic stainless steel sensitization temperatureaustenitic stainless temperaturelist of austenitic stainless steelnon austenitic stainless steelhigh strength austenitic stainless steel12345NextTechnical Reference on Hydrogen Compatibility ofType 316 stainless steel is sensitive to carbide precipitation on grain boundaries between approximately 773 K and 1073 K.A low-carbon grade,designated 316L,is used to moderate this sensitization.Carbides themselves are believed to have little,if any,effect on hydrogen-assisted fracture of austenitic stainless steels [3-5].