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Journal articles on the topic 'Wear rings'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Khachkinayan, A., Yu Zharkov, V. Zubkov, V. Novakovich, and V. Ermakov. "Investigation of piston ring wear engines by the mathematical statistics method." Journal of Physics: Conference Series 2131, no. 2 (2021): 022038. http://dx.doi.org/10.1088/1742-6596/2131/2/022038.

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Abstract Improving the reliability and durability of internal combustion engines makes it possible to increase productivity and reduce the cost of operation. The study of nature and magnitude of piston rings wear is relevant and represents a scientific novelty. During the operation of internal combustion engines, it is almost impossible to determine the influence of various factors on the wear rate and the resource of piston rings. One of the most accurate ways to study the wear intensity and the service life values of internal combustion engines piston rings during operation is the statistica

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2

Wang, Songchen, Xianchen Yang, Xinmei Li, Cheng Chai, Gen Wang, and Xiaohui Wang. "Simulation and Experimental Study on Wear of U-Shaped Rings of Power Connection Fittings under Strong Wind Environment." Materials 14, no. 4 (2021): 735. http://dx.doi.org/10.3390/ma14040735.

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The objective of this study was to investigate the wear characteristics of the U-shaped rings of power connection fittings, and to construct a wear failure prediction model of U-shaped rings in strong wind environments. First, the wear evolution and failure mechanism of U-shaped rings with different wear loads were studied by using a swinging wear tester. Then, based on the Archard wear model, the U-shaped ring wear was dynamically simulated in ABAQUS, via the Umeshmotion subroutine. The results indicated that the wear load has an important effect on the wear of the U-shaped ring. As the wear

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3

Yiling, Wang, Chen Geng, Jiao Guijin, and Wang Yilling. "Wear prediction for unlubricated piston rings." Wear 135, no. 2 (1990): 227–35. http://dx.doi.org/10.1016/0043-1648(90)90027-8.

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4

Salokhe, V. M., D. Gee-Clough, and P. Tamtomo. "Wear testing of enamel coated rings." Soil and Tillage Research 21, no. 1-2 (1991): 121–31. http://dx.doi.org/10.1016/0167-1987(91)90010-u.

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5

Zou, Qing Hua, and Bing Yang. "Coating Process Investigation of DLC Coating Spinning Rings." Applied Mechanics and Materials 198-199 (September 2012): 36–39. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.36.

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with DLC coating spinning rings as the subject, focuses on the mechanism of damage on spinning ring track caused by textile fiber fabrics adhering to spinning ring surface and relevant adhesive wear and fatigue wear. Aiming at its failure, single DLC coating is substituted by Ti-DLC coating spinning rings. The process after improvement adopts unbalanced closed magnetron sputtering ion plating and Ti-doping multi-layer composite coating technology to prepare Ti-DLC composite film on the surface of spinning rings under the condition of basic temperature below 100°C. As indicated by the study on

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6

TEMİZER, İlker, and Ayşegül ARI. "Effects on ring wear of bioethanol/diesel fuel blends used at long term endurance tests in a DI engine." International Journal of Automotive Engineering and Technologies 11, no. 4 (2022): 140–51. http://dx.doi.org/10.18245/ijaet.1150240.

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In this study, the long-term endurance tests were carried out in a diesel engine that used diesel and 90% diesel + 10% bioethanol fuels. The spray and temperature distributions of two different fuels in the AVL FIRE program also were examined. Tribological and morphological analysis of piston rings were investigated in a single-cylinder direct injection diesel engine using two different fuel types. The test engine used two different fuel types and was operated for approximately 110 hours under part engine load. Renewed rings in each fuelled engine operation were analyzed at Energy Dispersive X

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7

Li, Xinggao, Yingran Fang, Yidong Guo, and Xingchun Li. "Slurry Discharge Pipeline Damage and Wear Due to Transporting Rock Particles during Slurry Shield Tunneling: A Case Study Based on In Situ Observed Results." Applied Sciences 13, no. 12 (2023): 7103. http://dx.doi.org/10.3390/app13127103.

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Rock particles in excavated materials can damage and wear down slurry discharge pipelines when slurry shield tunneling occurs in a pebble layer and rock ground. This pipeline damage and wear, if not properly dealt with, can lead to a broken-down tunneling machine. Based on a slurry shield tunneling project in China, damage and wear were thoroughly examined. The observed pipeline wear and leaks, transported rock particles, mechanical properties, and flow rate of the carrier slurry were presented. The measured results showed that the wear rates of a straight pipe, a pipe along a curved tunnel, a

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8

Tian, Weijun, Jinhua Zhang, Kuiyue Zhou, et al. "Bionic Design and Optimization of the Wear-Resistant Structure of Piston Rings in Internal Combustion Engines." Lubricants 11, no. 11 (2023): 484. http://dx.doi.org/10.3390/lubricants11110484.

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Internal combustion engines, during their operation, subject the piston to high-temperature and high-pressure conditions, requiring it to endure intense, continuous reciprocating motion. This strenuous process leads to significant wear and tear. Among the engine’s crucial components, the piston ring plays a pivotal role but is particularly susceptible to wear. Therefore, extensive research has been devoted to investigating the wear of piston rings, a critical sealing component within internal combustion engines. To address the high cost of existing coating methods, which hinders widespread app

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9

Pawlus, Pawel, Lidia Galda, Andrzej Dzierwa, and Waldemar Koszela. "Abrasive wear resistance of textured steel rings." Wear 267, no. 11 (2009): 1873–82. http://dx.doi.org/10.1016/j.wear.2009.03.003.

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10

Arcieri, E. V., and S. Baragetti. "Influence of the wear rings on the buckling behaviour of hydraulic actuators." IOP Conference Series: Materials Science and Engineering 1275, no. 1 (2023): 012029. http://dx.doi.org/10.1088/1757-899x/1275/1/012029.

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Abstract During their use, hydraulic actuators are generally subjected to compressive loads which can induce buckling. In this work the critical load of a hydraulic actuator was determined for various boundary conditions and types of wear rings by theoretical and numerical models. In the theoretical model, the actuator was modelled as two connected beams, with different sections. The contribution of the wear rings on the critical load of the actuator was determined through numerical simulation based on the finite element method. The results of the mathematical model are similar to the results

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11

Zaytsev, Dmitriy, Sergey Velichko, and Alesandr Davydkin. "OPERATIONAL RELIABILITY OF WEDGE DATE VALVES IN WATER SUPPLY SYSTEMS OF THE AGRO-INDUSTRIAL COMPLEX." Tekhnicheskiy servis mashin 62, no. 4 (2024): 7–14. https://doi.org/10.22314/2618-8287-2024-62-4-7-14.

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One of the most important tasks of the agro-industrial complex of the Russian Federation is to provide agricultural enterprises with water. From 17 to 20 percent of the total volume of water lost in accidents is directly related to the insufficient reliability of pipeline fittings. Wedge valves are more susceptible to wear than other types of fittings. (Research purpose) The research purpose is determining the causes of failures of wedge valves of water supply systems. (Materials and methods) Studied open information sources, Internet resources, scientific and technical literature and regulato

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12

Cheng, Jun, Xianghui Meng, Youbai Xie, and Wenxiang Li. "On the running-in behavior of rough surface of piston rings in mixed lubrication regime." Industrial Lubrication and Tribology 67, no. 5 (2015): 468–85. http://dx.doi.org/10.1108/ilt-01-2015-0003.

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Purpose – The purpose of this paper is to study the real-time change of surface roughness at different small regions of piston rings during running-in process. Meanwhile, the effects of real-time change of the rough surface topography on the lubrication and friction of piston rings are investigated. Design/methodology/approach – An uneven wear model has been developed to research the running-in behavior at the different small regions of piston rings. The model is verified by comparing the simulation results with the experimental results on a reciprocating friction and wear test rig. Findings –

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13

Piotrowski, Norbert. "Tool Wear Prediction in Single-Sided Lapping Process." Machines 8, no. 4 (2020): 59. http://dx.doi.org/10.3390/machines8040059.

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Single-sided lapping is one of the most effective planarization technologies. The process has relatively complex kinematics and it is determined by a number of inputs parameters. It has been noted that prediction of the tool wear during the process is critical for product quality control. To determine the profile wear of the lapping plate, a computer model which simulates abrasive grains trajectories was developed in MATLAB. Moreover, a data-driven technique was investigated to indicate the relationship between the tool wear uniformity and lapping parameters such as the position of conditionin

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14

Liu, Jianping, Tiankui He, Zhijia Zhou, Xingxin Peng, and Yucong Pan. "Analysis and Enlightenment on the Relationships between Two Kinds of Cutter Life Evaluation Indexes and Installation Radius: A Case Study." Buildings 14, no. 6 (2024): 1523. http://dx.doi.org/10.3390/buildings14061523.

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Accurate evaluation of cutter life at different cutter positions on the cutter head is helpful to determine the time of cutter change and reduce the time of cutter wear measurement, which is of great significance to improve the tunneling efficiency of tunnel boring machine (TBM) projects. Unfortunately, there is no unified cutter life evaluation index now. The field data of cutter wear are collected from a section of a long TBM tunneling water conveyance tunnel in China. Two kinds of cutter life evaluation indexes (based on the radial wear extent of cutter rings and replacement number of cutte

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15

Niu, Pei-Feng, and Bao-Liang Tian. "Wear Compensation Model Based on the Theory of Archard and Definite Integral Method." Mathematical Problems in Engineering 2018 (2018): 1–14. http://dx.doi.org/10.1155/2018/8302861.

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Aiming at low accuracy control of the flatness measuring system in cold rolling process, the wear of measuring rings of the flatness measuring roll is an important factor, which affects the flatness measurement accuracy and the strip quality. When the radial pressure and the width of the strip change, the wear thickness of the different measuring rings is also changed, which seriously increased the deviation between measured values and actual values. For thirty-eight measuring rings of flatness measuring roll, it is important to establish an accurate wear compensation model for each measuring

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16

Zhu, Feng, Jiujun Xu, Xiaoguang Han, Yan Shen, and Mei Jin. "Tribological performance of three surface-modified piston rings matched with chromium-plated cylinder liner." Industrial Lubrication and Tribology 69, no. 2 (2017): 276–81. http://dx.doi.org/10.1108/ilt-11-2015-0164.

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Purpose The paper aims to investigate the friction and wear properties of three surface-modified piston rings matched with a chromium-plated cylinder liner. Design/methodology/approach Samples were taken from the chromium-plated cylinder liner, Cr-Al2O3 ring, CrN ring and Mo ring. Tribo-tests were conducted on a reciprocating sliding tribometer under fully formulated engine oils. Friction coefficients and wear depths of three friction pairs were tested. Surface morphologies of cylinder liners and piston rings before and after test were analyzed. Findings Experimental results show that in the C

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17

ADAMKIEWICZ, Adam, and Jan DRZEWIENIECKI. "OPERATIONAL EVALUATION OF PISTON-RINGS-CYLINDER LINER ASSEMBLY WEAR IN HIGH POWER MARINE DIESEL ENGINES." Tribologia 271, no. 1 (2018): 5–15. http://dx.doi.org/10.5604/01.3001.0010.6357.

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This paper presents an operational evaluation of piston-piston rings-cylinder liner (PRC) assembly wear in marine diesel engines of high power. It is based on visual inspection through cylinder liner scavenge ports. Clearance measurements of piston rings in piston grooves and piston ring gap measurements were used to evaluate the extent of wear of the PRC assembly. Moreover, it is shown that piston ring gap measurements can be used as a reference parameter in wear trend analysis to predict the length of time periods between overhauls (TBO). Furthermore, it has been shown that controlling the w

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18

Matveev, Yuriy Ivanovich, Mikhail Yurievich Khramov, Vladimir Viktorovich Kolyvanov, and Sergey Yur'evich Kuritsyn. "Improving efficiency of seals of parts of cylinder piston group of marine diesel engines." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2023, no. 3 (2023): 49–55. http://dx.doi.org/10.24143/2073-1574-2023-3-49-55.

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During the engine operation, the piston rings wear out and the grooves under the piston rings are destroyed, as a result of which there is a decrease in the sealing of the combustion chamber. This problem has been usually solved by replacing the old, spent piston and rings with new ones. There is considered a method of extending the life of the cylinder piston group. The proposed method consists in changing the composition and design of the upper piston ring, which is primarily responsible for sealing the combustion chamber. It is proposed to bore the groove of the upper piston ring, until all

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19

Liu, Peijie, Yanming Quan, Junjie Wan, and Lang Yu. "Experimental Investigation on the Wear and Damage Behaviors of Machined Wheel-Rail Materials under Dry Sliding Conditions." Materials 14, no. 3 (2021): 540. http://dx.doi.org/10.3390/ma14030540.

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Rail grinding and wheel turning can effectively remove surface defects and unevenness, which is a crucial process for the safe and smooth operation of trains. Machined surface integrity of wheel/rail materials significantly influences their tribological property. In this study, firstly, the rail blocks were ground via a cylindrical grinding machine, and the wheel rings were turned by a computer numerical control (CNC) lathe with varied parameters. Then, the sliding wear and damage characteristics of the machined wheel/rail samples under dry conditions were studied by virtue of a block-on-ring

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20

Kamiński, Włodzimierz, and Iwona Michalska-Pożoga. "Possibility of Marine Low-Speed Engine Piston Ring Wear Prediction during Real Operational Conditions." Energies 16, no. 3 (2023): 1433. http://dx.doi.org/10.3390/en16031433.

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A long-stroke, low-speed marine engine is used as the prime mover of a ship. During the operation of such engines, the excessive wear of the cylinder liners and piston rings frequently occurs. The breakdown of cylinder liners or piston rings is very dangerous for the safety of a vessel, the environment, and the people on board. The reliability of engine components is an extremely important topic, as it influences the efficient operation of the vessel. Therefore, to prevent such undesired events, it is essential that the condition of the cylinder liners and piston rings is frequently assessed.

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21

Engqvist, H., G. A. Botton, S. Ederyd, M. Phaneuf, J. Fondelius, and N. Axén. "Wear phenomena on WC-based face seal rings." International Journal of Refractory Metals and Hard Materials 18, no. 1 (2000): 39–46. http://dx.doi.org/10.1016/s0263-4368(00)00011-1.

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22

Mindivan, H., H. Çimenoǧlu, and E. S. Kayali. "Microstructures and wear properties of brass synchroniser rings." Wear 254, no. 5-6 (2003): 532–37. http://dx.doi.org/10.1016/s0043-1648(03)00023-1.

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23

Jiang, Bai-Chun, and Ping-Ping Liu. "Natural Lubrication and Wear of Textile Spinning Rings." Tribology Transactions 34, no. 3 (1991): 369–74. http://dx.doi.org/10.1080/10402009108982046.

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24

Vatavuk, J., and J. R. Mariano. "Wear-resistant nodular iron for automotive piston rings." JOM 44, no. 1 (1992): 13–14. http://dx.doi.org/10.1007/bf03222743.

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25

Krasnyy, V. A., Vyacheslav V. Maksarov, and D. D. Maksimov. "Improving the Wear Resistance of Piston Rings of Internal Combustion Engines when Using Ion-Plasma Coatings." Key Engineering Materials 854 (July 2020): 133–39. http://dx.doi.org/10.4028/www.scientific.net/kem.854.133.

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Modern designs of piston rings of internal combustion engines and wear-resistant coatings used for them are considered. It is noted that the upper (compression) ring undergoes the most intense wear. Among the traditionally used wear-resistant coatings of compression rings, galvanic chrome plating and thermal spraying with molybdenum are most often used. The paper proposes the use of the ion-plasma spraying method for applying hard wear-resistant coatings to the working surface of piston rings based on titanium and molybdenum nitrides. The specified method relates to vacuum coating technologies

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26

Formela, Michał Tomasz, and Jacek Igor Łubiński. "ANALYSIS OF UNCONTROLLED WEAR IN THE AREA OFA BELLEVILLE SPRING OF A FRICTION TORSIONAL VIBRATIONDAMPER IN A MOTOR VEHICLE CLUTCH." Tribologia 307, no. 1 (2024): 31–41. http://dx.doi.org/10.5604/01.3001.0054.4647.

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The article describes the problem of excessive tribological wear of a torsional vibration damper built intoa single-disc friction clutch of a truck vehicle. In contrast to the controlled, design-based wear of damper’sfriction rings, i.e., wear whose kinetics are known and predictable, uncontrolled wear at Belleville springcontact surfaces effects in a premature decrease in the damper’s friction torque and, consequently, loss ofdurability. As a result of the analyses and experimental work, the causes of accelerated wear were identified.Sets of springs and friction rings from the 10 used vibrati

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27

Yang, Fan, Xiangjun Liang, and Heng Zhang. "Wear prediction study considering TBM hob slip." Applied and Computational Engineering 72, no. 1 (2024): None. http://dx.doi.org/10.54254/2755-2721/72/20240997.

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Aiming at the problem of serious tool wear and untimely tool change affecting the construction efficiency when TBM is digging in microfractured tuff strata, the hob wear prediction study is carried out based on engineering examples. By analysing the rock-breaking mechanism of hob wear, a linear wear rate model and a life prediction model considering hob slip are derived based on the CSM model and the abrasive wear theory; the wear rate and the wear amount at the tool change point are further calculated by the prediction model in comparison with the measured value, and the furthest digging dist

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28

Devaraju, A., A. Elayaperumal, S. Venugopal, Satish V. Kailas, and J. Alphonsa. "Hot Vacuum Tribological Properties of Chromium Nitride Coatings against Austenitic Stainless Steel Type AISI 316LN and Colmonoy." Applied Mechanics and Materials 110-116 (October 2011): 600–605. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.600.

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The tribological properties of Plasma Nitrided (PN) rings were examined in high vacuum environment (1.6 x 10-4bar) at 25°C, 200°C and 400°C. The high vacuum based pin on disc tribometer was used for this investigation. The two different sliders namely austenitic stainless steel type AISI 316LN (316LN) pin and Nickel based alloy coated (Colmonoy) pin have been used. The tribological parameters such as friction coefficient, wear mechanism and wear rate have been evaluated. The PN 316LN rings exhibits excellent wear resistance against 316 LN pin and Colmonoy pin at all temperatures. However, the

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29

Yu, Cairui. "Discussion on the Influence of Friction and Wear on the Reliability of Marine Diesel Engines." Studies in Social Science Research 4, no. 3 (2023): p204. http://dx.doi.org/10.22158/sssr.v4n3p204.

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In view of the impact of friction and wear on the reliability of marine diesel engines, this article discusses the main causes of wear in marine diesel engines when analyzing the specific effects, including the impact of average effective pressure on friction loss, the impact of rotational speed on friction loss, the impact of cylinder number on friction loss, the impact of oil viscosity and cooling system temperature, and the impact of fuel injection pump pressure on friction loss The impact of the number of piston rings on diesel engines. In the analysis and discussion of the impact of frict

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30

Kindrachuk, Myroslav, Dmytro Volchenko, Alexander Balitskii, et al. "Wear Resistance of Spark Ignition Engine Piston Rings in Hydrogen-Containing Environments." Energies 14, no. 16 (2021): 4801. http://dx.doi.org/10.3390/en14164801.

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We describe the external and internal hydrogen interaction on contacting surfaces in the “cylinder–piston rings” friction coupling. Under the influence of high temperatures and pressure, the oil in the combustion chamber at a temperature up to 1473 K decomposes and forms small amounts of water. External hydrogen (H2) is subsequently formed. Hydrogen removal from the piston rings reduces the heterogeneity of the structure, residual stresses, and uneven physical and chemical properties of the near-surface layers, which reduces the stress concentration and, as a consequence, results in an improve

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31

KONDRATENKO, V., and V. KALYNYCHENKO. "Some aspects of improving the energy efficiency of a mine centrifugal pumps." Journal of Electrical and power engineering 23, no. 2 (2020): 48–51. http://dx.doi.org/10.31474/2074-2630-2020-2-48-51.

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Mine drainage systems, which are used at the main drainage of mining enterprises, have a drive capacity of up to 1600kW. To reduce non-productive energy losses, as well as for the continuous operation of the mining company, mine pumps must be energy efficient and reliable. Analysis of downtime of drainage systems shows that the weak point is the unloading device. This fact can lead not only to the failure of the pumping unit, but also to possible prolonged downtime of the mine. The main disadvantage of the existing disk unloading devices of mine pumps is their low reliability and low service l

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32

Aliyev, Balakhan Haji oglu, and Mirilham Mirintigam oglu Hasanov. "Development of a Technological Process for the Production of Diesel Engines with Wear-Resistant Metallized Coating of Piston Heating Units." Engineering and Technology Journal 10, no. 04 (2025): 4501–9. https://doi.org/10.5281/zenodo.15229112.

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The article shows that in most cases the reason for rejecting piston compression rings and cylinder liners is reaching the limit wear of the working rubbing surfaces and a conclusion is made about the advisability of applying a coating of a mixed steel-bronze pseudo-alloy to the working surface of the piston rings. The results of tribotechnical tests of a number of pseudo-alloys are presented, on the basis of which the optimal coating of piston rings is selected. The advisability of chemical-thermal treatment of metallization coatings is proven and the technological process of manufacturing pi

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Agrawal, Anil Kumar, Somnath Chattopadhyaya, V. M. S. R. Murthy, Stanisław Legutko, and Grzegorz Krolczyk. "A Novel Method of Laser Coating Process on Worn-Out Cutter Rings of Tunnel Boring Machine for Eco-Friendly Reuse." Symmetry 12, no. 3 (2020): 471. http://dx.doi.org/10.3390/sym12030471.

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Cutter rings form an integral part of tunnel boring machines (TBM). These cutters are deployed in various hard rock tunneling projects. The life of the cutter rings governs the economics of tunneling significantly. This paper presents a novel methodology to enhance hardness and wear resistance of used worn out disc cutters in TBM for eco-friendly reuse. Disc cutters are mainly made of H13 tool steel. To improve the hardness and wear resistance, a layer of tungsten carbide is coated on the used cutter rings. Considering the long operating hours of TBM, cutter rings get worn out due to severe in

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Singh, Shrawan Kumar, Avinash Kumar Agarwal, Dhananjay Kumar Srivastava, and Mukesh Sharma. "Experimental Investigation of the Effect of Exhaust Gas Recirculation on Lubricating Oil Degradation and Wear of a Compression Ignition Engine." Journal of Engineering for Gas Turbines and Power 128, no. 4 (2005): 921–27. http://dx.doi.org/10.1115/1.2136368.

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This experimental investigation was aimed to investigate the effect of exhaust gas recirculation (EGR) on wear of in-cylinder engine parts. EGR setup was prepared for a two-cylinder, air-cooled, constant-speed direct-injection compression-ignition engine. Test setup was run for 96hr under predetermined loading cycles in two phases; normally, operating condition (i.e., without EGR) and with a fixed EGR rate of 25%. Addition of metallic wear debris in the lubricating oil samples drawn after regular interval from both engine operating phases was investigated. Relatively higher concentrations of a

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35

Handoko, Susilo, Regan Rahadian P, Hafid Suharyadi, and Totok Widiyanto. "Finite element analysis of wear and deformation in casing rings for centrifugal pumps." Jurnal Polimesin 23, no. 1 (2025): 121. https://doi.org/10.30811/jpl.v23i1.5605.

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The wear and deformation of critical components in centrifugal pumps, such as wear-casing rings, can be caused by the influence of operational lifetime and varying boundary conditions. To enhance the accuracy of wear and deformation predictions, this study integrates finite element analysis (FEA) with detailed field measurement data, including material wear rates and load conditions. The boundary conditions were applied to the CAD model of the wear-casing ring under varying operational loads. The simulation results indicate that the wear casing ring experiences a maximum deformation of 0.00375

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36

Fu, You, Zhijun Guo, and Chunda Li. "The effect of palladium element on the performance of gold-based friction pairs in slip rings." Journal of Physics: Conference Series 2951, no. 1 (2025): 012131. https://doi.org/10.1088/1742-6596/2951/1/012131.

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Abstract A slip ring is an electrical connector that enables signal and power transmission between the stator and rotor. This experiment explores the effect of adding palladium element on the electrical and frictional properties of gold-based friction pairs in slip rings. The results indicate that the gold-based friction pairs in slip rings with added palladium element have an improvement in wear resistance. The wear rate of the brush wire with the added palladium element decreased by 4.0% compared to the brush wire without the addition. By improving the wear resistance, the electrical perform

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37

Potapov, V. A., and A. A. Sanko. "Performance simulation of multi-stage axial-flow compressor of turbo-shaft engine with account for erosive wear nonlinearity of its blades." Civil Aviation High Technologies 23, no. 5 (2020): 39–53. http://dx.doi.org/10.26467/2079-0619-2020-23-5-39-53.

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The construction and useful practice of gas-turbine engine diagnosis systems depend largely on the availability of the engine mathematical models and its certain components in their structure. Utilization of multi-stage axial flow compressor performance with account for erosive wear of its parts during the operation fundamentally raises possibilities of such systems as erosive wear of flow channel, blade rings of impellers and vane rings of multi-stage compressor is a common cause of preschedule gas-turbine engine detaching from an aircraft. As evidenced by various contributions presented in t

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38

Kochenov, V. A., and K. E. Grunin. "Increase of durability and wear resistance of internal combustion engine parts by changing their design features." Traktory i sel hozmashiny 84, no. 8 (2017): 47–52. http://dx.doi.org/10.17816/0321-4443-66344.

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Based on the patterns of wear, change and redistribution of loads during operation, design solutions have been developed to improve the durability and wear resistance of tribo-joints of the crank mechanism and the cylinder-piston group of the internal combustion engine. With a variety and dispersion of factors determining durability and wear resistance, the change in wear and wear intension during the operation has a pronounced regular character. Theoretical coupling does not have a run-in period - optimal, i.e. the obtained geometric parameters of the friction pair are created during the mach

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39

Kowalska, Jagoda, and Emil Wróblewski. "REDUCING WEAR OF PISTON RINGS USING ZERO FLOW NITRIDING." Journal of KONES. Powertrain and Transport 23, no. 2 (2016): 193–200. http://dx.doi.org/10.5604/12314005.1213592.

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Kumar, A. N., and P. Murray. "Stress-corrosion cracking of reactor feed pump wear rings." Journal of Failure Analysis and Prevention 6, no. 6 (2006): 83–89. http://dx.doi.org/10.1361/154770206x156196.

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Konstantinov, I. O., A. I. Leonov, and V. I. Mikheev. "Surface activation for wear profile studies of piston rings." Wear 141, no. 1 (1990): 17–22. http://dx.doi.org/10.1016/0043-1648(90)90188-g.

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Mannapova, O. V., O. D. Sokolov, A. P. Olik, A. I. Kostrzhyts’kyi, and V. I. Tverdokhlib. "Wear resistance of laser-irradiated surfaces of piston rings." Materials Science 44, no. 2 (2008): 298–300. http://dx.doi.org/10.1007/s11003-008-9058-2.

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Yang, Dong Ya, Huan Xie, and Jun Gong. "The Analysis of the Influencing Factors about Friction and Wear Characteristics of the Piston Ring in Stirling Engine." Advanced Materials Research 690-693 (May 2013): 2003–7. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2003.

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The problem about friction and wear characteristics of piston ring which is directly related to the sealing properties of stirling engine was analyzed. An improved seal structure of piston ring was taken as the research object, the influence of the temperature and the pressure of refrigerant were considered when the friction and wear characteristics of piston ring in stirling engine was studied. The calculation formula about radial weal amount of the piston ring with the change of the temperature and the gas pressure was derived by using the peeling wear theory. Then, the experiment was taken

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Huang, Li Rong, Fei Fei Liu, and Yu Hang Chen. "Failure Analysis of Hard Alloy Roll Rings and their Repairing Technology." Advanced Materials Research 476-478 (February 2012): 2599–602. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.2599.

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Roll rings are important parts in bars, and wire rolling, and their number consumed is large. They can fail and fracture due to defects of their own material and poor working conditions. There are many measures to prolong service life of roll rings, for example, their correct use and maintenance, suitable material, advanced manufacturing technology, and well machining quality, but mixed wear is inevitable. Such problems as surface defects and negative deviation of roll’s diameter caused by mixed wear can be solved by advanced repairing technology to make them meet users’ requirements, and prol

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Wopelka, Thomas, Ulrike Cihak-Bayr, Claudia Lenauer, et al. "Wear of different material pairings for the cylinder liner – piston ring contact." Industrial Lubrication and Tribology 70, no. 4 (2018): 687–99. http://dx.doi.org/10.1108/ilt-07-2017-0218.

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Purpose This paper aims to investigate the wear behaviour of different materials for cylinder liners and piston rings in a linear reciprocating tribometer with special focus on the wear of the cylinder liner in the boundary lubrication regime. Design/methodology/approach Conventional nitrided steel, as well as diamond-like carbon and chromium nitride-coated piston rings, were tested against cast iron, AlSi and Fe-coated AlSi cylinder liners. The experiments were carried out with samples produced from original engine parts to have the original surface topography available. Radioactive tracer is

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Dearnley, P. A., E. Kern, and K. L. Dahm. "Wear response of crystalline nanocomposite and glassy Al2O3-SiC coatings subjected to simulated piston ring/cylinder wall tests." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 219, no. 2 (2005): 121–37. http://dx.doi.org/10.1243/146442005x10300.

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The present paper describes the major part of a recent research investigation whose main purpose was to develop a series of novel functional coatings based on the Al2O3-SiC system that ideally would have a nanocomposite microstructure. Such coatings should be well suited for the wear protection of steel and cast-iron piston rings used in automotive internal combustion engines. Two methods were investigated: (i) plasma spraying and (ii) magnetron sputtering. The former was applied to cast-iron and plain carbon steel, whereas the latter was applied to stainless steel piston rings. The plasma spr

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Rudawska, Anna, and Grzegorz Talatycki. "Adhesive Joining in Ball and Tapered Roller Bearings." Applied Mechanics and Materials 791 (September 2015): 203–10. http://dx.doi.org/10.4028/www.scientific.net/amm.791.203.

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The article presents selected issues associated with the use of adhesive joints in the assembly of ball bearings in the gearbox housing. The aim of the study was the comparative analysis of adhesive joints strength of gear bearing housings. One series of rings, simulating the new socket fits with different parameters and different degrees of wear were used to comparison of these joints.The tests were conducted on two series of rings, to represent new housing of different fit parameters and wear variants. The three types of tested adhesives are frequently found in similar applications. The ring

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Susilo Handoko and Muhammad Dhendy Sao Sao. "Analisis Casing Wear Ring Load Cycle Fatigue pada Sistem Kerja Pompa Sentrifugal ETA-N 100x80-200 di Bengkel Mekanik PEM Akamigas." Jurnal Teknik Mesin, Industri, Elektro dan Informatika 3, no. 4 (2024): 130–39. http://dx.doi.org/10.55606/jtmei.v3i4.4465.

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The aim of this research is to analyze casing wear ring load cycle fatigue on the working system of eta-n 100x80-200 centrifugal pump at the akamigas mechanical workshop. This research method uses the step method. Simulation results using ANSYS 2024 software , obtained wear ring wear deformation of 0.378885 mm (average) and 0.3762455 mm (maximum) with wear ring clearance 0.38 mm. The comparison results of wear ring wear are less than the maximum wear ring tolerance, and wear ring wear is more than the minimum wear ring tolerance, so the results obtained still meet the tolerance standards. Simu

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Selech, Jaroslaw, Dariusz Ulbrich, Dawid Romek, Jakub Kowalczyk, Konrad Wlodarczyk, and Karol Nadolny. "Experimental Study of Abrasive, Mechanical and Corrosion Effects in Ring-on-Ring Sliding Contact." Materials 13, no. 21 (2020): 4950. http://dx.doi.org/10.3390/ma13214950.

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This article presents the application of the ring-on-ring test to investigate some of the important factors affecting the abrasive and corrosion wear of a face seal used in the sugar industry. The test involves the sliding contact between two steel rings working in different conditions such as mechanic, abrasive, corrosive extortions and its combination. Rings were made of the C45 steel and the surface layers were modified by heat and thermochemical treatment such as normalizing, flame hardening, nitriding and chrome diffusion. Maximum wear of the sample after tests under mechanic, abrasive an

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de Oliveira, Felipe, W. de Rossi, and J. L. Rossi. "Laser Modified Thin Layers in Piston Rings." Materials Science Forum 727-728 (August 2012): 1931–37. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.1931.

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The new engine developments are providing engine mechanical and thermal loads increase on the components. Besides the unfavorable wear conditions, the components should provide similar or improved performance compared with current baselines. For piston rings, the performance is given by the ring capacity of sealing and scrapping. These performances can be measured in an engine using the results of lube oil consumption and blow-by. The main intention of this work is to provide support for new piston rings developments by laser hardening parameters optimization, reducing the wear degradation. He

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