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Effect of acid pickling on mechanical properties of high-strength steel

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F12%3A43894728" target="_blank" >RIV/60461373:22310/12:43894728 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effect of acid pickling on mechanical properties of high-strength steel

  • Original language description

    Hydrogen forming during acid pickling can enter steel structure and change its mechanical properties. Both the bulk and the surface changes can have severe consequences, especially for steels used in power plant or aerial industry. The aim of this work was to describe the effect of acid pickling on mechanical properties of high strength steels. We used samples of 15-5PH - martensitic, precipitation-strengthened steel. We tested effect of different acid solutions (HCl/HCl + inhibitors) and varying conditions of pickling (cathodic polarization, skipping the annealing for hydrogen removal) on hydrogen diffusion coefficient, tensile and three-point bend transverse strength. The structure of fracture area was evaluated using scanning electron microscopy. The hydrogen diffusion coefficient value suggested that the hydrogen penetration was very shallow. The fractographical evaluation of the fracture area revealed presence of brittle fracture only in the surface area of the specimen. Ultimatel

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JK - Corrosion and material surfaces

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/FR-TI1%2F086" target="_blank" >FR-TI1/086: New design approach of energetic components and steel structures with high utility parameters, JSC</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of 19th International Students' Day of Metallurgy

  • ISBN

    978-3-00-037493-7

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    214-220

  • Publisher name

    Dzierzon Druck

  • Place of publication

    Freiberg

  • Event location

    Freiberg

  • Event date

    Mar 15, 2012

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article