Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model
Joint Authors
Sun, Qingchao
Shi, Bowen
Mu, Xiaokai
Sun, Kepeng
Source
Advances in Materials Science and Engineering
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-01-30
Country of Publication
Egypt
No. of Pages
11
Abstract EN
The fatigue strength, as the essential basis of residual life evaluation, is required to be obtained timely for remanufacturing.
Since impeller damage is characterized with very-high-cycle fatigue (VHCF), it is difficult to directly test the strength data.
The transformation method of multisource strength data is proposed to predict fatigue strength for impeller based on grey relational theory.
The multisource strength data, as factor space, primarily include available existing experimental data and operating data, while the strength data of the remanufacturing impeller are taken as target data.
The fatigue strength model of material and component are presented to analyze the influence factors of remanufacturing target strength.
And similar material provides a theoretical basis for selecting reference data reasonably.
Considering the correlation and difference between available data and target data, the grey relational function is established, and the correction function of the target residual is brought forward to reduce the transformation deviation.
The entropy-weight theory is implemented to determine the different impacts of multisource data on target strength.
A test case, predicting the unknown impeller fatigue strength with various impellers, is applied to validate the proposed transformation method, and the results show that the predicted strength data are consistent with the experimental data well.
American Psychological Association (APA)
Sun, Qingchao& Shi, Bowen& Mu, Xiaokai& Sun, Kepeng. 2020. Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model. Advances in Materials Science and Engineering،Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1127755
Modern Language Association (MLA)
Sun, Qingchao…[et al.]. Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model. Advances in Materials Science and Engineering No. 2020 (2020), pp.1-11.
https://search.emarefa.net/detail/BIM-1127755
American Medical Association (AMA)
Sun, Qingchao& Shi, Bowen& Mu, Xiaokai& Sun, Kepeng. Fatigue Strength Evaluation for Remanufacturing Impeller of Centrifugal Compressor Based on Modified Grey Relational Model. Advances in Materials Science and Engineering. 2020. Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1127755
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1127755