Multi-build orientation effects on microstructural evolution and mechanical behavior of truly as-built selective laser melting Ti6Al4V alloys

Yang, Xin; Zhang, Zhaoyang; Zhang, Tianchi; Song, Fan; Yao, Xinlan; Xiao, Bo; Lin, Peng; Qi, Huan; Liu, Shifeng; Tang, Huiping

doi:10.1016/j.jmrt.2024.04.031

Cited by 9 publications

(2 citation statements)

References 27 publications

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“…The liquid-filled cylindrical shell structure is a classic engineering structure with excellent performance, widely used in fields such as underwater vehicles and marine pipelines [1][2][3][4][5][6][7]. Influenced by internal fluid impact, corrosion, and fatigue, cracks can easily develop on the surface or inside of cylindrical shells, leading to failure.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Crack Propagation and Failure of Liquid-Filled Cylindrical Shells Damaged in High-Pressure Environments

Zhang,

Tan,

et al. 2024

JMSE

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Cylindrical shell structures have excellent structural properties and load-bearing capacities in fields such as aerospace, marine engineering, and nuclear power. However, under high-pressure conditions, cylindrical shells are prone to cracking due to impact, corrosion, and fatigue, leading to a reduction in structural strength or failure. This paper proposes a static modeling method for damaged liquid-filled cylindrical shells based on the extended finite element method (XFEM). It investigated the impact of different initial crack angles on the crack propagation path and failure process of liquid-filled cylindrical shells, overcoming the difficulties of accurately simulating stress concentration at crack tips and discontinuities in the propagation path encountered in traditional finite element methods. Additionally, based on fluid‒structure interaction theory, a dynamic model for damaged liquid-filled cylindrical shells was established, analyzing the changes in pressure and flow state of the fluid during crack propagation. Experimental results showed that although the initial crack angle had a slight effect on the crack propagation path, the crack ultimately extended along both sides of the main axis of the cylindrical shell. When the initial crack angle was 0°, the crack propagation path was more likely to form a through-crack, with the highest penetration rate, whereas when the initial crack angle was 75°, the crack propagation speed was slower. After fluid entered the cylindrical shell, it spurted along the crack propagation path, forming a wave crest at the initial ejection position.

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Section: Introductionmentioning

confidence: 99%

Investigation of Crack Propagation and Failure of Liquid-Filled Cylindrical Shells Damaged in High-Pressure Environments

Zhang,

Tan,

et al. 2024

JMSE

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“…With the continuous development of aerospace and other fields, the processing of high-performance components has become a focus of scholarly research, with both traditional and non-traditional machining methods playing increasingly important roles [1][2][3][4][5][6][7][8]. Abrasive machining processes, as one of the non-traditional methods, have long been integral to precision manufacturing techniques, including lapping and polishing, playing a crucial role in achieving high-quality surfaces [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Recent Development of Abrasive Machining Processes Enhanced with Non-Newtonian Fluids

Zhu,

He,

et al. 2024

Coatings

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Abrasive machining processes have long been integral to various manufacturing industries, enabling precise material removal and surface finishing. In recent years, the integration of non-Newtonian fluids has emerged as a promising strategy to enhance the performance and efficiency of these processes. This review paper provides a comprehensive overview of the current state of research on abrasive machining processes, including abrasive lapping, abrasive polishing, and chemical mechanical polishing, and then analyzes in detail the abrasive machining processes enhanced with non-Newtonian fluids. It explores the fundamental principles underlying the rheological behavior of non-Newtonian fluids and their application in abrasive machining, with a focus on shear-thickening fluids. The paper will begin by introducing the abrasive machining processes, including abrasive lapping, abrasive polishing, and chemical mechanical polishing. Then, the current research status of non-Newtonian fluids will be comprehensively analyzed, and we will explore the enhancement of abrasive machining processes with non-Newtonian fluids. Finally, the paper will conclude with a discussion of the future directions and challenges in the field of abrasive machining enhanced with non-Newtonian fluids. Overall, this review aims to provide valuable insights into the potential benefits, limitations, and opportunities associated with the use of non-Newtonian fluids in abrasive machining, paving the way for further research and innovation in this promising area of manufacturing technology.

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Dynamic behaviors of multiphase vortex-induced vibration for hydropower energy conversion

Li,

Lu,

et al. 2024

Energy

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Multi-build orientation effects on microstructural evolution and mechanical behavior of truly as-built selective laser melting Ti6Al4V alloys

Cited by 9 publications

References 27 publications

Investigation of Crack Propagation and Failure of Liquid-Filled Cylindrical Shells Damaged in High-Pressure Environments

Investigation of Crack Propagation and Failure of Liquid-Filled Cylindrical Shells Damaged in High-Pressure Environments

Recent Development of Abrasive Machining Processes Enhanced with Non-Newtonian Fluids

Dynamic behaviors of multiphase vortex-induced vibration for hydropower energy conversion

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