yield magnitude residual stress

Polish translation: naprężenie szczątkowe równe wartości granicy plastyczności materiału rurociągu

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:yield magnitude residual stress
Polish translation:naprężenie szczątkowe równe wartości granicy plastyczności materiału rurociągu
Entered by: Frank Szmulowicz, Ph. D.

18:24 Sep 23, 2018
English to Polish translations [PRO]
Tech/Engineering - Engineering (general) / Rurociągi
English term or phrase: yield magnitude residual stress
Dalej w temacie rurociągów i ich spoin.

If the analyses ignore residual stress, then potentially unsafe predictions are possible at low applied stress. However, if yield magnitude residual stress are assumed to be present initially, conservative predictions result, but the degree of conservatism can be high.

Cały zwrot pojawia się tylko 11 razy w googlu. O ile jeszcze "residual stress" jest jasny, to nie mogę rozgryźć tego" yield magnitude" - w googlu pojawia się też w wersji "yield-magnitude residual stress". Niewykluczone, że to błąd angielszczyzny, bo autorami są H G Pisarski and A Muhammed :) Może chodzi o naprężenie szczątkowe rzędu/wielkości umownej granicy plastyczności? W tekście pojawia się też "yield strength", czasem skracane do "yield", więc może to taki skrót myślowy...
drugastrona
Poland
Local time: 04:36
naprężenie szczątkowe równe wartości granicy plastyczności materiału rurociągu
Explanation:
I gather than the yield strength is that of the parent material - the pipe - while the residual stress is that of the weld.
ccccccccccc
The distribution and the peak value of hoop residual
stresses in the girth welded pipe spool were of the order of
and exceeding the yield strength of the parent material.
This distribution is in line with the profiles available in the
codes and standards.
 After the application of 3% remote strain, the hoop
component of the residual stress reduced significantly and
yield magnitude residual stress in the weld vanished,
whereas the far-field hoop residual stresses increased from
negative values to values in the order of 100 - 200MPa.
https://www.twi-global.com/EasySiteWeb/GatewayLink.aspx?alId...

cccccccc
How to treat residual stresses is a key aspect in defect assessment of welded structures. It is generally accepted practice that uniform tensile residual stresses of magnitude equal to the yield stress of the material should be assumed when residual stress profiles are not available for the geometry in question

The TWI assessments adopted innovative techniques, combining expert opinion, computer modelling and physical measurement to assess the appropriateness of the yield magnitude residual stress assumption.

ftp://www.esrf.eu/pub/UserReports/24271_A.pdf
Selected response from:

Frank Szmulowicz, Ph. D.
United States
Local time: 22:36
Grading comment
dziękuję za potwierdzenie moich przypuszczeń :)
4 KudoZ points were awarded for this answer



Summary of answers provided
2naprężenie szczątkowe równe wartości granicy plastyczności materiału rurociągu
Frank Szmulowicz, Ph. D.


  

Answers


1 hr   confidence: Answerer confidence 2/5Answerer confidence 2/5
naprężenie szczątkowe równe wartości granicy plastyczności materiału rurociągu


Explanation:
I gather than the yield strength is that of the parent material - the pipe - while the residual stress is that of the weld.
ccccccccccc
The distribution and the peak value of hoop residual
stresses in the girth welded pipe spool were of the order of
and exceeding the yield strength of the parent material.
This distribution is in line with the profiles available in the
codes and standards.
 After the application of 3% remote strain, the hoop
component of the residual stress reduced significantly and
yield magnitude residual stress in the weld vanished,
whereas the far-field hoop residual stresses increased from
negative values to values in the order of 100 - 200MPa.
https://www.twi-global.com/EasySiteWeb/GatewayLink.aspx?alId...

cccccccc
How to treat residual stresses is a key aspect in defect assessment of welded structures. It is generally accepted practice that uniform tensile residual stresses of magnitude equal to the yield stress of the material should be assumed when residual stress profiles are not available for the geometry in question

The TWI assessments adopted innovative techniques, combining expert opinion, computer modelling and physical measurement to assess the appropriateness of the yield magnitude residual stress assumption.

ftp://www.esrf.eu/pub/UserReports/24271_A.pdf

Frank Szmulowicz, Ph. D.
United States
Local time: 22:36
Native speaker of: Native in EnglishEnglish, Native in PolishPolish
PRO pts in category: 1486
Grading comment
dziękuję za potwierdzenie moich przypuszczeń :)
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