Surface deformation errors and self-adaptive compensation for microstructured surface generation of titanium alloys

Sun, Zhanwen; Xu, Shijun; Jiao, Jie; Wang, Sujuan; To, Suet; Li, Peizheng

doi:10.1016/j.ijmecsci.2022.107736

Cited by 9 publications

(1 citation statement)

References 69 publications

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“…France utilized an experimental method to study the failure characteristics of the surrounding rock, pointing out that the principal stress on the well wall has an important effect on the well stability (Chi, Zhang et al 2019, Ju, Wang et al 2019, Zhang, Bai et al 2021. The quantitative relationship between the geological well failure characteristics and the geostress, initially obtaining the relationship among different geostress and deformations of the ground drills (Fu, Sun et al 2020, Luan, Dong et al 2020, Sun, Xu et al 2022.…”

Section: Introductionmentioning

confidence: 99%

Key technology and application of surface well drainage of coalbed methane in mining area of high gas mine

Fu,

Wen,

Zhang

et al. 2024

Preprint

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The coalbed methane drainage with surface well, under the mining effects in a high gas coal mine has become increasingly important, especially for a complex region for the coalbed methane drainage. In contrast, due to the effects of coal mining, the surface wells are prone to deformation and damage. In this paper, a displacement and deformation model for the overlying strata was established. Three forms of deformation and failure of the surface well casing were proposed, such as shearing, stretching and uneven extrusion. Moreover, the mathematical model functions of “S” - type shear deformation, delamination tensile deformation and non-uniform extrusion for the surface well were established. In the ShanXi Coal Group YueCheng Mine, on the mining affected area surface well the coalbed methane drainage practice was conducted, producing a good coalbed methane drainage effect. YCCD-04 well without local protective device was deformed and damaged, and the dynamic deformation and failure process of surface well was detected by well imager; YCCD-02 well with local protective device has experienced mining and gas drainage effect is good, which verifies the effectiveness of local protective device. The YCCD-02 well coalbed methane drainage was 35 months in duration and the cumulative extraction of coalbed methane drainage volume was 1.3×107 m3. Simultaneously, the problem of gas control in the working face was solved, to ensure the safety of coal mining, achieving good social and economic effects.

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Section: Introductionmentioning

confidence: 99%

Key technology and application of surface well drainage of coalbed methane in mining area of high gas mine

Fu,

Wen,

Zhang

et al. 2024

Preprint

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Portable Machine Tools by Small Piezoelectric Robots for Scalable and Waviness‐Adaptive Fabrication of Surface Microstructures

Ding,

Zhang,

Feng

et al. 2024

Advanced Intelligent Systems

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Surface functional microstructures exhibit extensive application requirements in an array of breakthrough areas. One critical problem that restricts their industrial application is the lack of scalable fabrication techniques due to the limitation of conventional machine tools. This study proposes a scalable surface texturing technique using a portable small (30 × 19 × 22 mm) three‐leg robot that walks and works on the workpiece surface. Due to the elliptical tool vibration, microgrooves can be created on the workpiece surface periodically; meanwhile, the machining force drives the robot to walk forward. Surface texturing experiments are conducted on aluminum and copper workpieces to explore the machining performance of the small robot. The robot can reach a maximum moving velocity of 6.3 mm s−1 and can produce microstructures with a spacing of 4–14 μm on workpiece surfaces. Owing to its unique working principle, the small robot can maintain a constant depth of cut, demonstrating its capacity to adapt to the surface waviness of the workpiece. Finally, the motion straightness of the robot is greatly improved by combining it with the auxiliary track, and multiline microstructures are obtained. In short, the developed small robot presents a promising solution to the challenge of scalable surface texturing.

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Numerical Simulation of Dynamic Recrystallization Behavior During Continuous Variable Cross-Section Recycled Extrusion of Ti–6Al–4V Alloy Based on FEA–CA Model

Liu,

Zhang,

et al. 2024

Metall Mater Trans B

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Surface deformation errors and self-adaptive compensation for microstructured surface generation of titanium alloys

Cited by 9 publications

References 69 publications

Key technology and application of surface well drainage of coalbed methane in mining area of high gas mine

Key technology and application of surface well drainage of coalbed methane in mining area of high gas mine

Portable Machine Tools by Small Piezoelectric Robots for Scalable and Waviness‐Adaptive Fabrication of Surface Microstructures

Numerical Simulation of Dynamic Recrystallization Behavior During Continuous Variable Cross-Section Recycled Extrusion of Ti–6Al–4V Alloy Based on FEA–CA Model

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