Phase transformation mechanical behavior of functionally graded shape memory alloy beams
Based on the bending deformation theory of the beam, combined with stress-strain relationship and the critical stress-temperature relationship of the shape memory alloy materials, the nonlinear governing equation of the functionally graded shape memory alloy statically indeterminate beam was obtaine...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | zho |
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EDP Sciences
2021-12-01
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| Series: | Xibei Gongye Daxue Xuebao |
| Subjects: | |
| Online Access: | https://www.jnwpu.org/articles/jnwpu/full_html/2021/06/jnwpu2021396p1395/jnwpu2021396p1395.html |
| _version_ | 1797426595263152128 |
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| author | Yang Jingning Tang Jian Lu Jingyu Li Qinglu |
| author_facet | Yang Jingning Tang Jian Lu Jingyu Li Qinglu |
| author_sort | Yang Jingning |
| collection | DOAJ |
| description | Based on the bending deformation theory of the beam, combined with stress-strain relationship and the critical stress-temperature relationship of the shape memory alloy materials, the nonlinear governing equation of the functionally graded shape memory alloy statically indeterminate beam was obtained, and its mechanical behavior under the thermal-mechanical load was investigated. The phase transformation process of the beam was analyzed by a step-by-step method, and the influence of mechanical load, the tension-compression asymmetry coefficient, power exponent and temperature on the displacement of the neutral axis, curvature and phase boundary were obtained. The results draw that as the increase of the load, the displacement of neutral axis and the curvature become larger and the phase boundary is farther away from the edge of the section; the more the temperature and the power exponent are, the smaller the displacement of neutral axis and curvature will be, and the phase boundary become closer to the edge of the section; the tension-compression asymmetry coefficient has a greater influence on the phase boundary of the compressive side, but it has a weak influence on the phase boundary of the tensile side. |
| first_indexed | 2024-03-09T08:32:33Z |
| format | Article |
| id | doaj.art-26696c9005f44d42a9f7f0348e16cd5d |
| institution | Directory Open Access Journal |
| issn | 1000-2758 2609-7125 |
| language | zho |
| last_indexed | 2024-03-09T08:32:33Z |
| publishDate | 2021-12-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | Xibei Gongye Daxue Xuebao |
| spelling | doaj.art-26696c9005f44d42a9f7f0348e16cd5d2023-12-02T19:25:21ZzhoEDP SciencesXibei Gongye Daxue Xuebao1000-27582609-71252021-12-013961395140310.1051/jnwpu/20213961395jnwpu2021396p1395Phase transformation mechanical behavior of functionally graded shape memory alloy beamsYang Jingning0Tang Jian1Lu Jingyu2Li Qinglu3School of Science, Lanzhou University of TechnologySchool of Science, Lanzhou University of TechnologySchool of Science, Lanzhou University of TechnologySchool of Science, Lanzhou University of TechnologyBased on the bending deformation theory of the beam, combined with stress-strain relationship and the critical stress-temperature relationship of the shape memory alloy materials, the nonlinear governing equation of the functionally graded shape memory alloy statically indeterminate beam was obtained, and its mechanical behavior under the thermal-mechanical load was investigated. The phase transformation process of the beam was analyzed by a step-by-step method, and the influence of mechanical load, the tension-compression asymmetry coefficient, power exponent and temperature on the displacement of the neutral axis, curvature and phase boundary were obtained. The results draw that as the increase of the load, the displacement of neutral axis and the curvature become larger and the phase boundary is farther away from the edge of the section; the more the temperature and the power exponent are, the smaller the displacement of neutral axis and curvature will be, and the phase boundary become closer to the edge of the section; the tension-compression asymmetry coefficient has a greater influence on the phase boundary of the compressive side, but it has a weak influence on the phase boundary of the tensile side.https://www.jnwpu.org/articles/jnwpu/full_html/2021/06/jnwpu2021396p1395/jnwpu2021396p1395.htmlfunctionally graded shape memory alloystatically indeterminatephase transformationthe tension-compression asymmetry coefficient |
| spellingShingle | Yang Jingning Tang Jian Lu Jingyu Li Qinglu Phase transformation mechanical behavior of functionally graded shape memory alloy beams Xibei Gongye Daxue Xuebao functionally graded shape memory alloy statically indeterminate phase transformation the tension-compression asymmetry coefficient |
| title | Phase transformation mechanical behavior of functionally graded shape memory alloy beams |
| title_full | Phase transformation mechanical behavior of functionally graded shape memory alloy beams |
| title_fullStr | Phase transformation mechanical behavior of functionally graded shape memory alloy beams |
| title_full_unstemmed | Phase transformation mechanical behavior of functionally graded shape memory alloy beams |
| title_short | Phase transformation mechanical behavior of functionally graded shape memory alloy beams |
| title_sort | phase transformation mechanical behavior of functionally graded shape memory alloy beams |
| topic | functionally graded shape memory alloy statically indeterminate phase transformation the tension-compression asymmetry coefficient |
| url | https://www.jnwpu.org/articles/jnwpu/full_html/2021/06/jnwpu2021396p1395/jnwpu2021396p1395.html |
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