Corrosion of nickel and stainless steels in concentrated lithium hydroxide solutions

by J. W. Graydon

Publisher: Dept. of Chemical Engineering and Applied Chemistry, University of Toronto in Toronto

Written in English
Published: Pages: 26 Downloads: 16
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Subjects:

  • Nickel -- Corrosion,
  • Steel, Stainless -- Corrosion,
  • Lithium

Edition Notes

StatementJ.W. Graydon and D.W. Kirk.
ContributionsGraydon, J. W., Kirk, D. W. 1934-, Canadian Fusion Fuels Technology Project.
Classifications
LC ClassificationsTA480N6 G73 1990
The Physical Object
Pagination26 leaves, 8 leaves of plates :
Number of Pages26
ID Numbers
Open LibraryOL17306585M

Corrosion Concepts 2. Pure Iron 3. Cast Irons 4. Carbon Steels 5. Low-Alloy Steels 6. Alloy Steels 7. Stainless Steels 8. Cast Steels 9. Iron-Base Superalloys Aluminum and Aluminum Alloys Copper and Copper Alloys Magnesium and Magnesium Alloys Lead and Lead Alloys Zinc and Zinc Alloys Tin and Tin Alloys Nickel and. () Corrosion studies of austenitic and duplex stainless steels in aqueous lithium bromide solution at different temperatures. Corrosion Science , Online publication date: 1-Dec The corrosion resistance of stainless steels and nickel alloys was compared with the resistance of the austenitic stainless steels in uranyl sulfate at to deg C. Additional loop runs with UO/sub 3/ --Li/sub 2/CO/sub 3/ --CO/sub 2/ so lution have confirmed previous data with regard to its nonaggressive nature to carbon steel. Most nickel alloys are much more resistant than the stainless steels to reducing acids, such as hydrochloric, and some are extremely resistant to the chloride-induced phenomena of pitting, crevice attack, and stress-corrosion cracking (to which the stainless steels are susceptible). Nickel alloys are also among the few metallic materials able.

The susceptibilities to stress corrosion cracking (SCC) of two carbon steels, SAgrB and SAgr6, which are used in seamless BWR piping, and a low-alloy pressure vessel steel, AC12, were studied in high purity water as a function of oxygen concentration ( to 8 . mg/L Lithium Add g lithium hydroxide monohydrate to a mL HDPE bottle and dilute to mL with deion-ized water. Store this solution at 4 ˚C when not in use. Simulated Borated/Lithium Samples A boron concentration in the range of to mg/L with an added lithium concentration in the. Nickel alloys are a common material used when typical steel materials don’t offer the corrosion performance that is needed. Hastelloy offers in general a better corrosion performance than a few metals like ium and Tantalum is supperior to Hastelloy concerning the corrosion resistance in demanding media like hydrochloric acid and sulfuric acid. Technical Report: Corrosion studies of a stainless steel structure for the ITER (International Thermonuclear Experimental Reactor) aqueous lithium salt blanket concept.

The potassium hydroxide, being extremely soluble, will leach out. Squeeze the white papers out and decant the solution. Keep in a tightly sealed container to avoid carbonate absorption. Lithium hydroxide can be obtained by reaction of lithium with a few drops of water. This allows the lithium hydroxide to be made very concentrated. Nickel / are ferromagnetic in nature. Low electric resistivity. Nickel is approved for pressure vessel construction following ASME Boiler and Pressure Vessel Code for service up to oF. Nickel / Applications. Processing and storage of chemicals, synthetic fiber production that include use of sodium hydroxide and fluorine. Neutron-irradiated, thermally sensitized Type (UNS S) stainless steels (SS) were examined by slow strain rate (SSR) stress corrosion cracking (SCC) tests in C water of ppm dissolved oxygen concentration (DO) and by SSR tensile tests in C inert gas environment. The family of chromium – nickel stainless steels seems to have a considerable corrosion resistance at temperatures about oC or oF. Carbon steel gives more suitable service in hydrogen chloride to somehow elevated temperatures rather in chlorine and the attack rate increases with increase in temperature of hydrogen chloride, blazing has.

Corrosion of nickel and stainless steels in concentrated lithium hydroxide solutions by J. W. Graydon Download PDF EPUB FB2

The corrosion behavior of four alloys in 3 and 5 mol/L lithium hydroxide solutions under a hydrogen atmosphere at 95°C was investigated. Corrosion of Nickel (UNS N) and the stainless steels (UNS S), L (UNS S), and E-Brite (UNS S) was assessed in two sets of immersion tests lasting 10 and by: 5.

Corrosion of Nickel and Stainless Steels in Concentrated Lithium Hydroxide Solutions J. Graydon. Graydon. The effect of increasing the concentration of chloride ions as pitting corrosion agent on the potentiodynamic anodic polarization curves of nickel(Ni), InconelIncoloy and Stainless.

and nickel and intended for corrosion-resistant service are Types CD to CN. The austenitic stainless steels of chromium-nickel-molybdenum (and to a lesser extent, chro-mium-nickel) compositions are commonly used for handling phosphoric acid solutions within limits of concentration, temperature, aeration and purity for which they are suitable.

Request PDF | Corrosion Performance of Stainless Steel and Nickel Alloys in Aqueous Sodium Hydroxide as Revealed from Cyclic Voltammetry and Potentiodynamic Anodic Polarization | The. The effect of lithium nitrate solution pH is illustrated by the data in fig. 7 which indicates that is small addition of lithium hydroxide decreases the general corrosion rate of the stainless steel and reduces the susceptibility to localized corrosion as indicated by the lack of a breakdown potential (zone 3) in the solution with the lithium.

Similar findings were reported by ,[30] in the case of pitting of pitting corrosion of nickel alloys and stainless steel in chloride solutions. The dependence of pitting corrosion potential of the Ni electrode, InconelIncoloy and SS on the concentrations of the Cl – ion is shown in Fig.

11 which represents the. The amount of corrosion on each tray is shown in Figure as a function of plate location in the column.

Figure P B Corrosion in a distillation column. The bottom-most temperature of the column is approximately °C and the topmost is °C. The corrosion rate is a function of temperature and the concentration of an HCN-H 2 SO 4 complex.

Corrosion of Carbon Steel in Aqueous Lithium Hydroxide. Graydon and D. W Determination of Corrosion Properties of Lacquered Tinplate in Citrate Solutions by DC and AC Electrochemical Methods.

Popova, B. Popov, R. White Corrosion of Nickel and Stainless Steels in Concentrated Lithium Hydroxide Solutions.

Graydon. Stainless Steel Corrosion Compatibility Chart ★★★★ A-Excellent The information in this chart has been supplied to Thomas & Betts by other reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compat.

The inhibition of pitting corrosion of nickel alloys and stainless steel is the subject of many researchers due to its wide applications in industry [1,2].

The high resistance of these alloys in a large variety of aqueous solutions due to the formation of the stable passive. J.W. Graydon and D.W. Kirk, Corrosion of nickel and stainless steels in concentrated lithium hydroxide solutions, Corrosion 46 () K K.L. Wrisley, D.J. Duquette, D.

Steiner, E.F. Motyka and E.D. Coomer, Corrosion studies of a stainless steel struc- ture for the ITER aqueous lithium salt blanket concept, Fusion Engrg. Zheng and W.F.

Bogaerts, Caustic stress corrosion cracking of stainless steel L in concentrated lithium hydroxide, J. Nucl. Mater. () [8] Zheng, W.F. Bogaerts and M.J.

Brabers, Stress corrosion cracking and anodic dissolution of L stain- less steel in hot lithium hydroxide, submitted to Corro- sion. [9] tt. Abstract. The present investigation was undertaken to interpret the spontaneous oscillating activation-passivation corrosion behavior of nickel-containing stainless steel (SS) in concentrated sulfuric acid (H 2 SO 4) solutions using a galvanic passivation was attempted by modeling the oscillating sequence of UNS S in wt% H 2 SO 4 at 60°C using a nickel sulfide/nickel (NiS.

The corrosion rate of copper produced by lithium bromide (LiBr) concentrated solutions of g/L and g/L ( M and M) at room temperature, 70°C, and °C was studed using immersion.

In fact, nickel is so important that nickel-containing grades make up 75% of stainless steel production. The best-known of these are Typewhich has 8% nickel and Typewhich has 11%.

Nickel provides these properties by changing the crystal structure of steel to an austenitic (face-centred cubic crystal) structure at almost all. The corrosion data in this section is mainly based on the results of general corrosion laboratory tests, which are not strictly comparable with actual service corrosion tables provide an initial guide to the selection of materials and are intended to facilitate understanding of the different types of corrosion damage that can arise due to poor material selection.

It was performed a study to determine the corrosion resistance of SS stainless steel exposed to lithium bromide aqueous solution at 50 % (wt.) during a period of 15 days, applying the.

The effect of lithium on microstructure, tensile strength, and stress corrosion was found. The austenitic stainless steels, types, and the ferritic stainless steels, types, apparently were not impaired. Hardenable stainless steels were corroded when hardened but.

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The present paper studies the corrosion behaviour of a new lower-cost type of austenitic stainless steel (SS) with a low nickel content in alkaline-saturated calcium hydroxide solution (a simulated concrete pore (SCP) solution) with sodium chloride (%, %, %, %, %, and % NaCl) and embedded in alkali-activated fly ash (AAFA) mortars manufactured using two alkaline solutions.

The corrosion resistance and galvanic behavior of three stainless steels (SS), Al and titanium were analyzed in commercial lithium bromide (LiBr) heavy brine solutions used in heating and.

The corrosion behavior of three stainless steels ENEN (austenitic stainless steels) and EN (duplex stainless steel) was studied in a commercial LiBr solution ( g/l LiBr solution containing chromate as inhibitor) at different temperatures (25, 50, 75 and 85 °C) by electrochemical methods.

Open circuit potentials shifted towards more active values as temperature. Hastelloy C has minor corrosion rates in reducing and oxidizing conditions. The chief applications of Hastelloy alloys are in the presence of hot chloride solutions. In these media, many stainless steel grades suffer from crevice corrosion, pitting corrosion and stress corrosion cracking.

L Stainless Steel Chemical Compatibility Chart ver Jan industrials Key to General Chemical Resistance [all data based on 72 ° (22 °C) unless noted] Explanation of Footnotes 1 – Satisfactory to ° F (48° C) A = Excellent – No Effect C = Fair - Moderate Effect, not recommended.

Stress corrosion cracking was unexpected in austenitic stainless steel AISI L, but has on some occasions been observed on the oxygen side of the high-pressure electrolysers.

The commonly referred to temperature limit for SCC occurring in austenitic stainless steels such as AISI L in high concentration caustics is approximately °C [1,2]. 1. Introduction.

Many engineering alloys, such as austenitic stainless steels and nickel-based alloys protect themselves from their environment by forming a passive oxide passive layer makes the material resistant to uniform corrosion but, potentially, makes it susceptible to localised corrosion such as crevice corrosion or stress corrosion cracking.

() Effects of solution temperature on localized corrosion of high nickel content stainless steels and nickel in chromated LiBr solution.

Corrosion ScienceOnline publication date: 1. The use of nickel and stainless steel is highly favored by architects not only because of its look but also because of its durability, resistance to atmospheric corrosion and it is also recyclable. Nickel-containing materials have a long service life because of their corrosion resistance.

When no longer needed they can be fully recycled. Medium Concentration Temp. °F Stainless Stainless Stainless Stainless Stainless Nickel Alloy Nickel Alloy C Continue Reading. Materials considered include steels, stainless steels, nickel-base alloys, copper-base alloys, titanium, zirconium and tantalum.

Table 1 lists some nickel-containing alloys commonly in use, and their UNS number. Table 1 Nominal composition of nickel-containing alloys used in Chlorine, Hydrogen Chloride and Hydrochloric Acid systems.Reference is often made to stainless steel in the singular sense as if it were one material.

Actually there are over 50 stainless steel alloys. Three general classifications are used to identify stainless steels. They are: 1. Metallurgical Structure. 2. The AISI numbering system: namely.the stainless steels, and their higher initial costs are offset by longer life, hence reduced equipment downtime.

They are also easy to form and weld into complex industrial components. This article describes nickel alloy corrosion be-havior in sea water and various salt solutions, as well as hydrochloric, hydrobromic, and hydro-fluoric acids.