Constitutive Relations of the Mechanics of a Damaged Medium for Evaluating the Creep-Rupture Strength of Structural Alloys
- Авторлар: Volkov I.1, Igumnov L.2, Kazakov D.2, Shishulin D.3, Tarasov I.1, Smetanin I.1
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Мекемелер:
- Volga State University of Water Transport
- Research Institute of Mechanics
- Alekseev Nizhny Novgorod State Technical University
- Шығарылым: Том 60, № 1 (2019)
- Беттер: 156-166
- Бөлім: Article
- URL: https://journals.rcsi.science/0021-8944/article/view/161539
- DOI: https://doi.org/10.1134/S002189441901019X
- ID: 161539
Дәйексөз келтіру
Аннотация
The main regularities of the degradation of structural materials (metals and alloys) resulting in a decrease in creep-rupture strength were investigated. A mathematical model describing the viscoplastic deformation and damage accumulation in polycrystalline structural alloys in creep was developed using the equations of the mechanics of damaged media. The paper presents the results of experimental studies of the short-term creep of 12Kh18N9 steel and VZh-159 high-temperature alloy at constant temperature and different stresses set in the samples and the results of experimental studies of creep recovery in some structural steels. Deformation and damage accumulation were studied numerically and the results were compared with the data of full-scale experiments.
Авторлар туралы
I. Volkov
Volga State University of Water Transport
Хат алмасуға жауапты Автор.
Email: pmptmvgavt@yandex.ru
Ресей, Nizhny Novgorod, 603950
L. Igumnov
Research Institute of Mechanics
Хат алмасуға жауапты Автор.
Email: igumnov@mech.unn.ru
Ресей, Nizhny Novgorod, 603022
D. Kazakov
Research Institute of Mechanics
Хат алмасуға жауапты Автор.
Email: kazakov@mech.unn.ru
Ресей, Nizhny Novgorod, 603022
D. Shishulin
Alekseev Nizhny Novgorod State Technical University
Хат алмасуға жауапты Автор.
Email: shisha-ne@rambler.ru
Ресей, Nizhny Novgorod, 603950
I. Tarasov
Volga State University of Water Transport
Хат алмасуға жауапты Автор.
Email: ivansptm@yandex.ru
Ресей, Nizhny Novgorod, 603950
I. Smetanin
Volga State University of Water Transport
Хат алмасуға жауапты Автор.
Email: ilia.smetanin2@yandex.ru
Ресей, Nizhny Novgorod, 603950