Review of serrated chip characteristics and formation mechanism from conventional to additively manufactured titanium alloys

Liu, Dejian; Ni, Chenbing; Wang, Youqiang; Zhu, Lida

doi:10.1016/j.jallcom.2023.172573

Cited by 26 publications

(1 citation statement)

References 159 publications

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“…The article presents chips with a thickness of approximately 100 nm, emphasizing the term ultra-precision machining. On a larger scale, chips were examined after machining processes: ultrasonic vibration-assisted cutting, turning, milling, and drilling [23]. The characteristic segmented structure of microchips has multiple physical causes in the processed material [24].…”

Section: Introductionmentioning

confidence: 99%

Morphology of Microchips in the Surface Finishing Process Utilizing Abrasive Films

Tandecka,

Kacalak,

Wiliński

et al. 2024

Materials

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In this study, the surface of new lapping films was analyzed, and the lapping finishing process was applied to RG7 tin bronze alloy. The research focused on examining lapping films with electrocorundum grains of nominal sizes 30, 12, and 9 μm, commonly used for achieving smooth surfaces. The manufacturing process involves placing abrasive grains and binder onto a polyester tape, resulting in a heterogeneous distribution of abrasive grains. The study investigates the impact of this random distribution on the performance of lapping films during material removal. Scanning electron microscopy was used to analyze the surface structure of abrasive films, revealing distinctive structures formed by the specific aggregation of abrasive grains. This study explores the influence of different nominal grain sizes on surface finish and aims to optimize lapping processes for diverse applications. The research also delves into microchip analysis, examining the products of the lapping film finishing process. Microchips were observed directly on the abrasive tool surface, revealing insights into their morphology and distribution. The chip segmentation frequency was determined, and they amounted to approximately 0.8 to 3 MHz; these are very high frequencies, which are unique for known chip-forming processes.

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Section: Introductionmentioning

confidence: 99%

Morphology of Microchips in the Surface Finishing Process Utilizing Abrasive Films

Tandecka,

Kacalak,

Wiliński

et al. 2024

Materials

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Thermal behaviors in the metal high-efficiency grinding process under simulated vacuum conditions: state of the art and future perspectives

Zhang,

Wang

et al. 2024

Int J Adv Manuf Technol

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Microstructure, microhardness, and tribological behavior of Ti-6Al-4 V nitrided by laser irradiation

Essoussi,

Bougueraa,

Ettaqi

2024

Int J Adv Manuf Technol

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The purpose of this paper is to evaluate the microhardness and characterize the microstructure of a Ti-6Al-4V alloy nitrided with a pulsed Nd-YAG laser under nitrogen gas ow. The Ti alloy surface was irradiated and melted at various laser scanning speeds. The phase analysis by X-ray diffraction for different irradiation conditions, revealed the formation of three phases: α-Ti, TiN, and TiN 0.3 . The results revealed that the microscopic analysis using optical and scanning electron microscopies revealed the presence of dendritic microstructure in both the laser-melted and nitreded zones, with TiN dendrites concentrated near the treated alloy's surface. Moreover, the wear of nitrided samples was examined using a pin-on-disk tribometre, the results revealed that the thickness of the TiN nitride layer (2 to 8 μm) affected the morphology of wear tracks.

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Review of serrated chip characteristics and formation mechanism from conventional to additively manufactured titanium alloys

Cited by 26 publications

References 159 publications

Morphology of Microchips in the Surface Finishing Process Utilizing Abrasive Films

Morphology of Microchips in the Surface Finishing Process Utilizing Abrasive Films

Thermal behaviors in the metal high-efficiency grinding process under simulated vacuum conditions: state of the art and future perspectives

Microstructure, microhardness, and tribological behavior of Ti-6Al-4 V nitrided by laser irradiation

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