Ring-Core Residual Stress Measurement: Analysis of Calibration Coefficients for Incremental Strain Method

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F11%3APU90634" target="_blank" >RIV/00216305:26210/11:PU90634 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Ring-Core Residual Stress Measurement: Analysis of Calibration Coefficients for Incremental Strain Method

Popis výsledku v původním jazyce

Correctly determined and properly used calibration coefficients for a residual stress measurement by ring-core method (RCM) are essential. Knowledge of their dependence on the disposition of residual state of stress cross the depth of metallic material gives results correspond of theirs appropriate application. In this article, incremental strain method (ISM) is used for determination of the calibration coefficients K1 and K2 under uniaxial and biaxial state of stress conditions. Finite element method (FEM) has been used in order to calculate relieved residual strains on the top of the core. Calculated calibration coefficients are plotted on graphs in dependence on the drilled depth and character of the residual stress state. Appropriate polynomial functions have been interposed by these points. We conclude that values of calibration coefficients K1 and K2 determined by the incremental strain method can be used only for homogenous residual states of stress. Examination of linearly vary

Název v anglickém jazyce

Ring-Core Residual Stress Measurement: Analysis of Calibration Coefficients for Incremental Strain Method

Popis výsledku anglicky

Correctly determined and properly used calibration coefficients for a residual stress measurement by ring-core method (RCM) are essential. Knowledge of their dependence on the disposition of residual state of stress cross the depth of metallic material gives results correspond of theirs appropriate application. In this article, incremental strain method (ISM) is used for determination of the calibration coefficients K1 and K2 under uniaxial and biaxial state of stress conditions. Finite element method (FEM) has been used in order to calculate relieved residual strains on the top of the core. Calculated calibration coefficients are plotted on graphs in dependence on the drilled depth and character of the residual stress state. Appropriate polynomial functions have been interposed by these points. We conclude that values of calibration coefficients K1 and K2 determined by the incremental strain method can be used only for homogenous residual states of stress. Examination of linearly vary

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JR - Ostatní strojírenství

OECD FORD obor

—

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2011

Kód důvěrnosti údajů

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

Název periodika

Bulletin of Applied Mechanics

ISSN

1801-1217

e-ISSN

—

Svazek periodika

6

Číslo periodika v rámci svazku

24

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

5

Strana od-do

—

Kód UT WoS článku

—

EID výsledku v databázi Scopus

—