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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1988, Vol. 9 ›› Issue (11): 540-546.
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Zhang Derong
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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.
Zhang Derong . CALCULATING METHOD OF OPTIMAL PRESSURE-TIME RELATIONSHIP AND MINIMAL THICKNESS IN SUPERPLASTIC BULGING OF SHEET METAL INTO HAT-SECTION[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1988, 9(11): 540-546.
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https://hkxb.buaa.edu.cn/EN/Y1988/V9/I11/540