基于流-热-固相互作用的高端惯性摩擦焊轴向闭式静压承载系统瞬态变形

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-04-01 DOI:10.1016/j.triboint.2025.110683

Xinyi Yang , Xiaodong Yu , Yulong Xu , Ruichun Dai , Wentao Jia , Junfeng Wang , Jianhua Jiao , Hui Jiang

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引用次数: 0

摘要

高端惯性摩擦焊（HIFW）设备作为工业母机，可以实现航空发动机高温合金转子的大规模高精度焊接。开发了闭式静压承载系统，推导了Navier-Stokes方程，利用粘温关系和动网格技术求解了油膜的瞬态摩擦特性。最后，模拟了瞬态流-热-固相互作用（FTSI）变形，提取了油膜的形貌。分析表明，在镦粗力作用下，压力和温度梯度向径向油封边缘集中，忽略了背压侧对承载系统的影响。最小间隙为0.0457 mm，变形沿周向外油封边缘呈喇叭状趋势。

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Transient deformation of axial closed hydrostatic carrying system for high-end inertial friction welding based on fluid-thermal-solid interaction

High-end inertia friction welding (HIFW) equipment, as an industrial mother machine, can achieve large-scale and high-precision welding of superalloy rotors for aero-engines. HIFW with closed hydrostatic carrying system was developed, Navier-Stokes equations were derived, and transient friction characteristics of oil films were solved using viscosity-temperature relationship and dynamic mesh technology. Ultimately, the transient fluid-thermo-solid interaction (FTSI) deformation was simulated, and the topography of oil films was extracted. The analysis revealed that pressure and temperature gradients concentrating towards the radial oil sealing edge under the upsetting force, the influence of back pressure side on carrying system was neglected. The minimum gap was 0.0457 mm, and the deformation showed a trend of trumpet shape along the oil sealing edge of circumferential outer.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.