Influence mechanism of ultrasonic vibration and pulsed laser on the surface formation of SiCp/Al in cutting

IF 4.9 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2025-07-08 DOI:10.1016/j.ijthermalsci.2025.110143

Bin Fu , Yan Gu , Jieqiong Lin , Licheng Fu , Tianyu Gao , Hang Yu , Tuo Wang , Yongliang Zhang

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引用次数: 0

Abstract

The challenge of precisely controlling both macroscopic and microscopic damages to the Al matrix and two-phase interface significantly impedes the large-scale utilization of SiCp/Al composites in aerospace and other domains. Pulsed laser ultrasonic vibration assisted cutting (PLUVAC) emerges as a highly promising approach. In comparison to conventional turning processes, PLUVAC reduces the surface roughness to 0.305 μm. Moreover, the depth of subsurface damage is decreased by 49.2 %. However, the heat transfer process of pulsed laser and the microscopic action mechanism of the pulsed laser and ultrasonic to the workpiece surface and subsurface is unclear. Therefore, this paper uses micro and nano scale simulation methods. The temperature field and grain deformation process of PLUVAC were studied. It was found that PLUVAC inhibits work hardening and interface damage by promoting dynamic recovery. The formed subgrains are finer and more prone to recrystallization. Therefore, the crystal structure of PLUVAC tends to be more complete. This study provides a unique perspective for revealing the deep mechanism of PLUVAC improving the surface quality of ceramic particle reinforced metal matrix composites.

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超声振动和脉冲激光对SiCp/Al切削表面形成的影响机理

精确控制Al基体和两相界面的宏观和微观损伤是SiCp/Al复合材料在航空航天和其他领域大规模应用的一大难题。脉冲激光超声振动辅助切割（PLUVAC）是一种非常有前途的切割方法。与传统车削工艺相比，PLUVAC将表面粗糙度降低到0.305 μm。此外，亚表面损伤深度减少了49.2%。然而，脉冲激光的传热过程以及脉冲激光和超声波对工件表面和次表面的微观作用机理尚不清楚。因此，本文采用了微纳米尺度的模拟方法。研究了PLUVAC的温度场和晶粒变形过程。发现PLUVAC通过促进动态恢复抑制加工硬化和界面损伤。形成的亚晶更细，更容易再结晶。因此，PLUVAC的晶体结构更趋于完整。本研究为揭示PLUVAC改善陶瓷颗粒增强金属基复合材料表面质量的深层机理提供了独特的视角。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.