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Diffusion boronising of hot work tool steel

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F09%3A02155915" target="_blank" >RIV/68407700:21220/09:02155915 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Diffusion boronising of hot work tool steel

  • Original language description

    H11 hot work tool steel was boronized at various processing parameters, austenitized, quenched and tempered to a core hardness of 47 - 48 HRC. Microstructure, phase constitution and microhardness of boronized layers were investigated. Effect of boronizedregion on the bulk properties was determined by the Charpy impact test. Structure of boronized regions is formed by the compound layers and diffusion inter-layer. They are formed with diffusion regions and compound region, which consisted of only Fe2B-phase but in the case of longer processing time also of the FeB - phase. Microhardness of boronized layers exceeded considerably 2000 HV0.1. However, boronizing led to a substantial lowering of the Charpy impact toughness of the material.

  • Czech name

    Difuzní boridování oceli pro práce za tepla

  • Czech description

    Ocel pro práci za tepla typu H11-type byla boridována pri ruzných parametrech procesu, austenitizována, kalena a popouštena na tvrdost 47 - 48 HRC. Byla analyzována mikrostruktura, fázové složení a tvrdost boridovaných vrstev. Nakonec byl zkoumán vliv boridovaných vrstev na vlastností masivního telesa pomocí Charpyho zkoušky rázové houževnatosti. Mikrostruktura boridovaných oblastí je tvorena difuzní vrstvou a vrstvou slouceninovou. Tato pozustává pouze z fáze Fe2B, avšak pri delších casech se tvorí rovnež borid FeB. Mikrotvrdost boridovaných vrstev prekracovala znacne 2000 HV0.1. Na druhé strane ovšem boridování vedlo ke znacnému snížení houževnatosti materiálu.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JJ - Other materials

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2009

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    METAL 2009

  • ISBN

    978-80-87294-03-1

  • ISSN

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

  • Publisher name

    Tanger

  • Place of publication

    Ostrava

  • Event location

    Hradec nad Moravicí

  • Event date

    May 19, 2009

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article