Glossary entry

Russian term or phrase:

порог хладноломкости

English translation:

cold shortness temperature

Added to glossary by Svetlana Melikyan
May 10, 2023 14:22
1 yr ago
18 viewers *
Russian term

порог хладноломкости

Russian to English Tech/Engineering Chemistry; Chem Sci/Eng Механические свойства и характер разрушения труб
Т50в.с. – порог хладноломкости, определяемый по 50 % доли вязкой составляющей в изломе, °С

В английском есть 2 термина: DBTT и FATT, разница между которыми не могу понять.
Proposed translations (English)
2 cold shortness temperature

Discussion

Svetlana Melikyan (asker) May 10, 2023:
I've seen this explanation, and I still don't get it, that's why I'm asking ((
Frank Szmulowicz, Ph. D. May 10, 2023:
Yes, there is a difference, the FATT is the fracture appearance transition temperature where the FATT value is based on the change from cleavage to shear fracture appearance percentage for a broken CVN impact specimen. Commonly, FATT50 is used, where 50 refers to 50% cleavage and 50% shear fracture appearance on a broken CVN impact specimen.

The DBTT is similar except the DBTT value is based on the inflection point of a CVN impact energy versus test temperature curve, where the CVN upper shelf (ductile) changes to lower shelf CVN (brittle) values at a specific test temperature.

https://www.eng-tips.com/viewthread.cfm?qid=402830

Proposed translations

1 hr
Selected

cold shortness temperature

What is cold shortness?
What is a Cold Shortness? - Definition from Corrosionpedia
What Does Cold Shortness Mean? Cold shortness occurs when a material is lowered to a temperature where it becomes brittle. A material can be ductile at one temperature and very hard and breakable at another if it is affected by cold shortness. Not all materials are affected by cold shortness.
https://www.corrosionpedia.com/definition/6145/cold-shortnes...

2порог хладноломкости — [cold shortness threshold] условный температурный интервал перехода от вязкого разрушения металла к хрупкому; характеризуется, как правило, двумя температурами: Tв/sub>, выше которой излом полностью вязкий, и Тн, ниже которой излом полностью

https://cide.en-academic.com/searchall.php?SWord=порог хладн...
Note from asker:
Thanks for reacting. So if what's the difference between this term and the ones I've found? I was pretty much sure it's either DBTT or FATT. I got even more confused....
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "I've checked in literature, and it's correct. Thank you!"
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