Diffraction study of residual stress depth distribution in surface layers of shot-blasted decarburised steels

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F12%3A00202838" target="_blank" >RIV/68407700:21340/12:00202838 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Diffraction study of residual stress depth distribution in surface layers of shot-blasted decarburised steels

Popis výsledku v původním jazyce

Surface decarburization of construction steels occurs during their forging, drawing and casting. As a softening process, decarburization leads to a considerable fatigue limit decrease. This detrimental effect can be reduced by strengthening the decarburized layer using plastic deformation induced by shot peening. As a result compressive residual stresses are created in the surface layer. The aim of the contribution is to present the results of X-ray diffraction analysis of residual stress depth profilesin surface layers of sand-blasted and shot-blasted steels. Depth distributions of macroscopic (first-order) residual stresses were determined up to approx. 500 ?m beneath the blasted surface.

Název v anglickém jazyce

Diffraction study of residual stress depth distribution in surface layers of shot-blasted decarburised steels

Popis výsledku anglicky

Surface decarburization of construction steels occurs during their forging, drawing and casting. As a softening process, decarburization leads to a considerable fatigue limit decrease. This detrimental effect can be reduced by strengthening the decarburized layer using plastic deformation induced by shot peening. As a result compressive residual stresses are created in the surface layer. The aim of the contribution is to present the results of X-ray diffraction analysis of residual stress depth profilesin surface layers of sand-blasted and shot-blasted steels. Depth distributions of macroscopic (first-order) residual stresses were determined up to approx. 500 ?m beneath the blasted surface.

Druh

O - Ostatní výsledky

CEP obor

JG - Hutnictví, kovové materiály

OECD FORD obor

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Projekt

<a href="/cs/project/TA02011367" target="_blank" >TA02011367: Výzkum zvyšování životnosti materiálů nástrojů pro lisování žárovzdorných, vysoce abrazivních materiálů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2012

Kód důvěrnosti údajů

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