Unified Solutions on Plastic Limit Internal Pressure for Metallic Elbows
With consideration of the intermediate principal stress and different strength values in tension and compression, the plastic analysis of metallic elbows under internal pressure is conducted based on the unified strength theory. The unified solutions for elbows with constant and variable wall...
Збережено в:
Дата: | 2014 |
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Автори: | , , , , |
Формат: | Стаття |
Мова: | English |
Опубліковано: |
Інститут проблем міцності ім. Г.С. Писаренко НАН України
2014
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Назва видання: | Проблемы прочности |
Теми: | |
Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/112707 |
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Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
Цитувати: | Unified Solutions on Plastic Limit Internal Pressure for Metallic Elbows / Q. Zhu, J.H. Zhao, C.G. Zhang, Y. Li, S. Wang // Проблемы прочности. — 2014. — № 2. — С. 156-163. — Бібліогр.: 15 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of UkraineРезюме: | With consideration of the intermediate principal
stress and different strength values in tension
and compression, the plastic analysis of
metallic elbows under internal pressure is conducted
based on the unified strength theory.
The unified solutions for elbows with constant
and variable wall thickness values, and those
with a local thinning are derived. Parametric
studies are carried out to investigate the dependence
between the unified strength theory parameter,
tension-compression ratio, bending
coefficient, and wall thickness. Comparing the
theoretical results and the experimental data, a
good agreement was observed. The results obtained
show that the unified solutions are versatile
in the theoretical analysis of metallic
elbows and can be reduced to many existing results.
The latent potentialities of metallic elbows
are fully achieved due to considering the intermediate
principal stress. The unified solutions have
an important practical value for the optimum
design and engineering application of metallic
elbows. |
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