Zairyo-to-Kankyo
New Arrival Alert : OFF

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign up
ONLINE ISSN: 1881-9664
PRINT ISSN: 0917-0480

Zairyo-to-Kankyo Vol. 61 (2012), No. 1

  • Nondestructive Inspection for Corrosion

    p. 1

    Bookmark

    You can use this feature after you logged into the site.
    Please click the button below.

    Log in / Sign Up

    DOI:10.3323/jcorr.61.1

  • Effect of Applied Stress on the Initiation of Localized Corrosion for Sensitized 304 Stainless Steel in Aqueous MgCl2 Solutions

    pp. 14-21

    Bookmark

    You can use this feature after you logged into the site.
    Please click the button below.

    Log in / Sign Up

    DOI:10.3323/jcorr.61.14

    In this study, the effect of applied stress on the initiation of localized corrosion and morphology transition from pits to cracks for sensitized 304 stainless steel were investigated in aqueous MgCl2 solutions. Anodic polarization curves for pre-strained specimens and electrochemical noise responses such as open circuit potential and galvanic current between stressed and unstressed specimens were measured. Anodic polarization curves for sensitized 304 stainless steel revealed that initiation of pitting corrosion were enhanced on the pre-strained samples. From the results of the electrochemical noise responses, initiation of localized corrosion were promoted on the specimens to which the stress was applied in 2 M MgCl2 solution. The morphology transition from pits to cracks was observed when plastic strain was applied during the growth of pitting corrosion.
  • Effect of Creep on Susceptibility to Stress Corrosion Cracking of Zirconium in the Simulated Spent Nuclear Fuel Solution

    pp. 22-28

    Bookmark

    You can use this feature after you logged into the site.
    Please click the button below.

    Log in / Sign Up

    DOI:10.3323/jcorr.61.22

    Susceptibility to stress corrosion cracking (SCC) of zirconium was investigated as for in the spent nuclear fuel dissolver environment of the reprocessing facilities. Constant load tensile tests were conducted in the nonradioactive simulated spent nuclear fuel solution in both nobler potential and boiling heat-transfer conditions. It was found that susceptibility to SCC of zirconium strongly depended on electrode potential. The time to failure clearly declined at 1.55 V (vs. SSE) and the cleavage fracture like a facet-shaped was observed. Quasi-cleavage fracture was only observed on the specimen surface less noble than 1.50 V, but the time to failure scarcely declined comparing to that of silicon oil. Decline of time to failure was also observed under boiling heat-transfer condition. However, the decline of time to failure under boiling heat-transfer condition was nearly equal to the corresponding temperature to heat-transfer condition with silicon oil. As for the index of susceptibility to SCC, the ratio of transition time from secondary to third creep to failure time indicated that the susceptibility to SCC were very high in 1.55 V. The index indicated that boiling heat-transfer scarcely enhanced the susceptibility. It's considered that SCC behavior of zirconium in spent nuclear fuel dissolver environment mainly depends on its creep property.

Article Access Ranking

12 Apr. (Last 30 Days)

  1. Three-dimensional Investigations of Non-metallic Inclusions in Stainless Steels before and after Machining ISIJ International Advance Publication
  2. Perspective toward Long-term Global Goal for Carbon Dioxide Mitigation in Steel Industry Tetsu-to-Hagané Vol.105(2019), No.6
  3. Influence of Ore Assimilation and Pore Formation during Sintering on Reduction Behavior of Sintered Ores Tetsu-to-Hagané Vol.107(2021), No.3
  4. Development Technology for Prevention of Macro-segregation in Casting of Steel Ingot by Insert Casting in Vacuum Atmosphere ISIJ International Advance Publication
  5. Numerical Simulation of Flow, Heat, Solidification, Solute Transfer and Electromagnetic Field for Vertical Mold and Curved Mold of Billet ISIJ International Vol.61(2021), No.3
  6. Deformation Behavior of Longitudinal Surface Flaws in Flat Rolling of Steel Wire ISIJ International Advance Publication
  7. Dissolution Behavior of Mg and Ca from Dolomite Refractory into Al-killed Molten Steel ISIJ International Advance Publication
  8. Structural and Mechanical Characterizations of Top Dross in a Molten Zinc Bath ISIJ International Vol.61(2021), No.3
  9. Numerical Study into Gravity Separation of Phosphorus from BOS Slag during Solidification ISIJ International Vol.61(2021), No.3
  10. Crystal Structure Analysis of Top Dross in Molten Zinc Bath by First Principles Calculation and Synchrotron X-ray Diffraction ISIJ International Vol.61(2021), No.3

Search Phrase Ranking

12 Apr. (Last 30 Days)

  1. blast furnace
  2. coke oven gas injection
  3. slag
  4. tetsu-to-hagané
  5. blast furnace productivity
  6. effects of coiling temperature on microstructure and precipitation behavior in
  7. fundamental study on rapid reduction of chromium ore in basic oxygen furnace
  8. iron phosphide (fe2p, fe3p)
  9. iron phosphide (fe2p, fe3p), formation energy
  10. k.sasai and y. mizukami: refractories (taikabutsu), 53 (2001), 56.