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首页> 外文期刊>Journal of Mechanical Science and Technology >Contact behavior analysis of elastomeric x-ring under uniform squeeze rate and internal pressure before and after forcing-out using the photoelastic experimental hybrid method
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Contact behavior analysis of elastomeric x-ring under uniform squeeze rate and internal pressure before and after forcing-out using the photoelastic experimental hybrid method

机译:使用光弹性实验混合法分析在挤压前后均压下弹性体x形环的接触行为

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摘要

Many different types of elastomeric rings have been developed to suit various needs in industry. The X-ring was introduced as a result of the limitations of O-rings that twist, especially during dynamic application. A better understanding of the behavior and the stress distribution of the X-ring under a uniform squeeze rate and internal pressure is needed. We analyzed the contact stresses and internal stresses developed in an X-ring before and after forcing-out by using the photoelastic experimental hybrid method, ascertained the packing ability of an X-ring, and studied the failure criterion of an X-ring under uniform squeeze rate and internal pressure. Forcing-out in the X-ring occurred when the internal pressure was 3.92 MPa. After forcing-out, at an internal pressure of 5.88 MPa, the two lobes on the upper contact surface merged one contact side of the upper side immensely. Even after extrusion of the X-ring, the X-ring can be used to effectively contain the fluid. This is because the effects of extrusion on the X-ring affected the stress distribution of only two lobes close to the assembly gap and the two lobes are merge into one lobe. In addition, our experimental results show that the maximum shear failure criterion is suitable for the prediction of failure in X-ring seals.
机译:已经开发出许多不同类型的弹性环以适合工业中的各种需求。由于O形圈会扭曲,因此引入了X形圈,特别是在动态应用过程中。需要更好地了解在均匀挤压速率和内压下X形环的行为和应力分布。我们采用光弹性实验混合法分析了在挤压前后X形环上产生的接触应力和内应力,确定了X形环的填充能力,并研究了均匀作用下X形环的破坏准则。挤压速度和内部压力。当内部压力为3.92 MPa时,X形环被压出。推出后,在5.88 MPa的内部压力下,上接触表面上的两个凸角极大地融合了上侧的一个接触侧。即使在X形环挤出后,X形环也可用于有效地容纳流体。这是因为挤压对X形环的影响仅影响了靠近装配间隙的两个凸角的应力分布,并且两个凸角合并为一个凸角。此外,我们的实验结果表明,最大剪切破坏准则适用于X形密封圈破坏的预测。

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