不同厚度比<bold>S304/Q235</bold>复合板矫直过程中性层的偏移规律

doi:10.12442/j.issn.1002-185X.20211083

首页 > 过刊浏览>2022年第51卷第11期 >4085-4092. DOI:10.12442/j.issn.1002-185X.20211083

不同厚度比S304/Q235复合板矫直过程中性层的偏移规律
DOI:
                        10.12442/j.issn.1002-185X.20211083
                    
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作者单位:1.太原科技大学 重型机械教育部工程研究中心，山西 太原 030024;2.太原科技大学 机械工程学院，山西 太原 030024;3.太原科技大学 材料科学与工程学院，山西 太原 030024;4.太原重型机械集团 技术中心，山西 太原 030024
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基金项目:National Key Research and Development Project (2018 YFA0707305, 2018YFB1307902), Major Special Projects of Science and Technology in Shanxi Province (20181102016), National Natural Science Foundation of China (51675362), Shanxi Scholarship Council of China (2017-081), Key Projects of Shanxi Key R&D Program (201703D111003), Shanxi graduate innovation project (2021Y674)

Neutral Layer Offset Rule in Straightening Process of S304/Q235 Composite Plate with Different Thickness Ratios

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1.Engineering Research Center of Heavy Mechanical, Ministry of Education, Taiyuan University of Science and Technology, Taiyuan 030024, China;2.School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China;3.School of Material Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China;4.Technology Center, Taiyuan Heavy Industry Co., Ltd, Taiyuan 030024, China

Fund Project:

National Key Research and Development Project (2018YFA0707305, 2018YFB1307902); Major Special Projects of Science and Technology in Shanxi Province (20181102016); National Natural Science Foundation of China (51675362); Sponsored by Shanxi Scholarship Council of China (2017-081); Key Projects of Shanxi Key R&D Program (201703D111003); Shanxi Graduate Innovation Project (2021Y674)

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摘要:

为了提高S304/Q235复合材料矫直过程的精度，在Abaqus有限元软件中分析了双金属复合材料板的弹塑性变形和矫直过程。此外，对不同厚度比双金属复合板的中性层偏移进行了分析研究。结果表明，双金属复合板的中性层偏移量取决于复合板的屈服强度和厚度比。将理论计算、数值模拟和实验结果进行对比，得到了中性层偏移量的拟合公式，验证了其正确性，分析了中性层偏移状态的动态变化。本研究为建立高精度矫直力模型提供了理论依据。

Abstract:

To improve the accuracy of the straightening process of S304/Q235 composites, the elastic-plastic deformation and straightening process of the bimetal composite plates were investigated by the Abaqus finite element software. In addition, the neutral layer offset of the bimetal composite plates with different thickness ratios was also analyzed. Results show that the neutral layer offset is dependent on the yield strength and thickness ratio of composite plates. The theoretical calculations, numerical simulations, and experiment results are compared. Then the fitting formula for neutral layer offset is obtained and verified. Additionally, the dynamic change of the neutral layer offset state was analyzed. This research provides the theoretical basis for the establishment of high precision straightening force model.

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邢彤,刘翠荣,马立峰,李强,李玉贵,楚志兵,王效岗,桂海莲.不同厚度比S304/Q235复合板矫直过程中性层的偏移规律[J].稀有金属材料与工程,2022,51(11):4085~4092.[Xing Tong, Liu Cuirong, Ma Lifeng, Li Qiang, Li Yugui, Chu Zhibing, Wang Xiaogang, Gui Hailian. Neutral Layer Offset Rule in Straightening Process of S304/Q235 Composite Plate with Different Thickness Ratios[J]. Rare Metal Materials and Engineering,2022,51(11):4085~4092.]
DOI：10.12442/j. issn.1002-185X.20211083

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收稿日期:2021-12-08
最后修改日期:2022-03-17
录用日期:2022-03-25
在线发布日期: 2022-12-07
出版日期: 2022-11-30

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