Research on the Leak Mechanism and Experiment of Double Seam Structure of Metal Packaging Container

doi:10.3969/j.issn.1000-1093.2020.01.021

Abstract

Abstract: A viscous-flow leakage model is established for double seam structure to investigate and solve the gas sealing problem of metal packaging containers. The effects of geometric dimension and leakage medium properties on the gas leak rate of double seam structure are quantitatively studied. The results show that the gas leakage caused by the permeation of sealant is unavoidable, and the permeation leak rate is smaller than the total gas leak rate. When the adhesive width of sealant and the diameter of packaging container are fixed, the total gas leak rate of double seam structure is affected by the passage width between the sealant and the metal material. In addition, the leak rate of the passage is related to the third power of the passage width. The total gas leak rate of double seam structure is larger than 9.0×10^-9 Pa·m³/s under good sealing condition. The predicted section size of the leakage passage is consistent with the experimental results. This study can provide theoretical basis for the sealing and leakage control of metal packaging containers. Key

Key words: metalpackagingcontainer, doubleseamstructure, leakagemechanism, leakagemodel

CLC Number:

TB485.2

YANG Dan, YIN Fenglong, LIANG Xiaodong, LIAO Hongbo, LI Erkang. Research on the Leak Mechanism and Experiment of Double Seam Structure of Metal Packaging Container[J]. Acta Armamentarii, 2020, 41(1): 183-188.

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第41卷第1期
2020 年1月兵工学报ACTA
ARMAMENTARIIVol.41No.1Jan.2020