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Relevant bibliographies by topics / Surface Microstructuring, Surface Texturing, Mechanical Face Seals

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Journal articles
Dissertations / Theses
Conference papers

Academic literature on the topic 'Surface Microstructuring, Surface Texturing, Mechanical Face Seals'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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Journal articles on the topic "Surface Microstructuring, Surface Texturing, Mechanical Face Seals"

1

WANG, XIAO, HUIXIA LIU, WEI CHEN, CHANGJING LIU, YONGHONG FU, and LAN CAI. "FULL NUMERICAL SIMULATION TO THE PERFORMANCE OF MICRO-TEXTURED MECHANICAL FACE SEALS." Journal of Advanced Manufacturing Systems 07, no. 02 (2008): 267–70. http://dx.doi.org/10.1142/s0219686708001498.

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A mathematical model is established based on a modified Reynolds equation in polar coordinates, and solved by the multi-grid method to demonstrate the performance of micro-texturing mechanical seal surface. Sample cases of cylinder-shaped, square-shaped and diamond-shaped micro-asperity are studied to show the performance of micro-texturing mechanical seals. The results show that geometry has a vital influence on the friction coefficient and leakage. Diamond-shaped micro-texturing asperities have better performance than the others. And the performance is sensitive to the area density than the

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2

Wang, Tao, Weifeng Huang, Xiangfeng Liu, Yongjian Li, and Yuming Wang. "Experimental study of two-phase mechanical face Seals with laser surface texturing." Tribology International 72 (April 2014): 90–97. http://dx.doi.org/10.1016/j.triboint.2013.12.009.

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3

Yu, Xin Qi, Mei Hong Liu, Zhen Hui Wang, Pei Ying Peng, and Ren Liang Cai. "Experimental Investigation on Friction Performance of Mechanical Seals with a Laser-Textured Seal Face." Materials Science Forum 532-533 (December 2006): 81–84. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.81.

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Regular micro-surface structure in the form of micro-pores produced on the face of mechanical seals by laser technology can be used to improve the friction performance of the seal mating rings. A test rig with variable axial load was used to test laser-textured seal rings with micro-pores of various pore depth and pore ratio to study the effect of the laser-textured seal face structure parameters on the friction performance of mechanical seals. It is found that there are optimum texturing face parameters at which the friction torque and the face temperature rise of seal rings are minimum. Resu

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4

Bai, Shaoxian, Xudong Peng, Yefeng Li, and Songen Sheng. "Gas Lubrication Analysis Method of Step-Dimpled Face Mechanical Seals." Journal of Tribology 134, no. 1 (2012). http://dx.doi.org/10.1115/1.4005642.

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In solving Reynolds equation with the conventional finite difference method, keeping the flow continuity has ofen been ignored, which will lead to an analysis error in the pressure distribution and leakage rate, especially for discontinuous clearance caused by step structures such as laser surface texturing sealing surfaces. In this paper, a finite difference method is introduced to satisfy the flow continuity to solve the Reynolds equation. Then, the pressure distribution for a typical rectangular step structure is obtained via two different methods: a numerical solution of the exact full Nav

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Dissertations / Theses on the topic "Surface Microstructuring, Surface Texturing, Mechanical Face Seals"

1

Neumann, Stephan, Georg Jacobs, Achim Feldermann, and Felix Straßburger. "Reducing Friction and Leakage by Means of Microstructured Sealing Surfaces – Example Mechanical Face Seal." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-199867.

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By defined structuring of sliding surfaces at dynamic contact seals friction and leakage can be reduced. Compared to macro-structures, micro-structures have the advantage of a quasi-homogeneous influence on the fluid behavior in the sealing gap. The development of suitable microstructures based on prototypes, whose properties are studied on the test bench, is very expensive and time-consuming due to the challenging manufacturing process and measuring technologies, which are necessary to investigate the complex rheological behavior within the sealing gap. A simulation-based development of micro

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Conference papers on the topic "Surface Microstructuring, Surface Texturing, Mechanical Face Seals"

1

Peng, Xu-Dong, Song-En Sheng, Ji-Yun Li, Yong-Ning Cai, and Shao-Xian Bai. "Study on Deformation of a Laser Surface Textured Mechanical Seal." In 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2008. http://dx.doi.org/10.1115/micronano2008-70186.

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Laser surface texturing (LST) provides a unique method for applying custom textures to metals, ceramics, and polymers. Etsion has presented a new type of mechanical seal by applying laser surface texturing onto the faces. According to Etsion, such a textured face seal (LST-MS) helps to reduce face friction and wear and can be used at higher sealed fluid pressures than that of a plain face seal. Such a new seal may be subjected to face deformation, and study on the effect of face deformation on sealing behavior of a LST-MS is important. In this paper, a finite element analysis was used to solve

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2

Young, Lionel, Joshua Benedict, and John Davis. "Investigation of a Unique Macro/Micro Laser Machined Feature for Mechanical Face Seals With Low Leakage, Low Friction, and Low Wear." In ASME/STLE 2011 International Joint Tribology Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ijtc2011-61092.

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Numerous studies have been conducted to evaluate the effects of micro dimple surface texturing on friction reduction in mechanical seals [1–7]. Optimum ratios for a dimple configuration, depth (h) to diameter (D) (Fig. 1), range from 0.02 to 0.5, and area density ratio, ratio of dimple area to seal face area, range from 20 to 55%. Within this range it has been shown that friction can be reduced by as much as 50%. These studies indicate that if the ratio of depth to dimple diameter is reduced below 0.02 a dramatic reduction in performance is seen. Also observed in one investigation [8] is the p

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