| 帽形件超塑性胀形的最佳压力-时间曲线与最小厚度的计算方法 |
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| 引用本文： | 张德荣. 帽形件超塑性胀形的最佳压力-时间曲线与最小厚度的计算方法[J]. 航空学报, 1988, 9(11): 540-546 |
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| 作者姓名： | 张德荣 |
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| 作者单位： | 沈阳航空工业学院 |
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| 摘 要： | 根据超塑性力学的基本方程和帽形件的变形模式,导出了帽形件超塑性气胀成形的最佳压力-时间曲线方程和最小厚度的理论计算公式,并举出数字实例加以分析。
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| 收稿时间： | 1988-02-01; |
CALCULATING METHOD OF OPTIMAL PRESSURE-TIME RELATIONSHIP AND MINIMAL THICKNESS IN SUPERPLASTIC BULGING OF SHEET METAL INTO HAT-SECTION |
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| Zhang Derong. CALCULATING METHOD OF OPTIMAL PRESSURE-TIME RELATIONSHIP AND MINIMAL THICKNESS IN SUPERPLASTIC BULGING OF SHEET METAL INTO HAT-SECTION[J]. Acta Aeronautica et Astronautica Sinica, 1988, 9(11): 540-546 |
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| Authors: | Zhang Derong |
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| Affiliation: | Shenyang Instiutte of Aeronmtical Engineering |
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| Abstract: | This article attempts to analyze the forming of the hat-section stiffener in the SPF/DB process for an integrally stiffened structure. Based on the fundamental equations of superplastic mechanics and the deformation mode in superplastic bulging of sheet metal into hat-section, the equations to describe the optimal pressure-time relationship in this process and the formula to compute the minimal thickness in theory are derived. Finally, a numerical example is given and discussed. |
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| Keywords: | superplastic mechanics hat-section calculation methods. |
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