Study on the microstructure and high temperature friction and wear characteristics of three CVD coated cermets

You, Qianbing; Xiong, Ji; Li, Honglin; Guo, Zhixing; Huo, Yunliang

doi:10.1016/j.ijrmhm.2021.105495

Cited by 12 publications

(4 citation statements)

References 29 publications

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“…The inhomogeneous microstructure is the main cause for the unstable scratch behavior of multiphase materials. This consequence deteriorates with increasing temperature because of matrix softening and following carbide displacement [13]. The prominent result from the EDS spectrum of elevated temperature compared to room temperature results that oxygen ions are missing or restricted which has been confirmed that the oxidation resistance improved due to temperature influence at the contact chamber.…”

Section: Worn Surface Morphologymentioning

confidence: 78%

“…The oxide film produced at high temperature acts as a protective layer and thus restricts the direct contact with the coating and substrate. The oxide layer forms an oxide lubricating film under certain temperature and loading conditions, which significantly reduces the coefficient of friction of the coating until it breaks and peels off [13]. The initial COF for 2N load at room temperature is 0.22 and it was 0.42 at 400 °C.…”

Section: Friction and Wear Studymentioning

confidence: 99%

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A study on wear behavior of TiN/AlCrN multilayer coatings at high temperature testing conditions

Rajendran¹,

Devaraju²,

Saravanan³

2021

Surf. Topogr.: Metrol. Prop.

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Nitride coatings are generally used to enhance the surface property of the materials in order to perform wear and sliding environments to provide resistance against wear. Titanium Nitride coatings and Aluminium Chromium Nitride coatings were deposited as multilayer over the SS316L surface and the tribological studies were performed at high and room temperatures. The hardness of the multilayer coatings (TiN/AlCrN) provides 1000 VHN which is around five times higher than that of SS316L. The various wear mechanisms have been found from SEM morphology of worn surfaces for the different loading conditions at a high temperature of 400 °C. Chemical reactions led to the different wear mechanisms which were due to the thermal influence of the testing. Oxidation resistance was found for the elevated testing condition and the oxide formations were restricted with the elements of Ti, Cr, Fe, and Al, unlike room temperature testing.

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Section: Worn Surface Morphologymentioning

confidence: 78%

Section: Friction and Wear Studymentioning

confidence: 99%

A study on wear behavior of TiN/AlCrN multilayer coatings at high temperature testing conditions

Rajendran¹,

Devaraju²,

Saravanan³

2021

Surf. Topogr.: Metrol. Prop.

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“…The cermet is a composite material made from ceramic and metal that can combine beneficial characteristics of both metals and ceramics, such as the capacity for plastic deformation and high temperature resistance and hardness. A carbide or oxide, such as WC, is bound to the metal with nickel, molybdenum, and cobalt typically being the metals used [31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

The Tribological Behavior of TiN/TiC CVD Coatings under Dry Sliding Conditions against Zirconia and Steel Counterparts

et al. 2023

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During this research work, the wear and friction properties of TiN/TiC coatings produced with different manufacturing parameters were investigated against steel and zirconium counterparts. The coatings, which were deposited on WC–Co substrate, were characterized based on their microstructure, phase composition, and microhardness. The tribological behavior of the coatings was examined in accordance with ASTM G99 and ASTM G133 standards using pin-on-disc tests with steel and zirconium counterfaces, while the adhesion of the coatings was investigated with a modified scratch test. According to the results obtained from the experiments, the use of zirconium counterpart is advantageous even for coatings produced with different microhardness and layer thickness using the CVD method. The results show that the change in the friction coefficient can be well traced with properly chosen parameters, thereby determining the wear resistance of the coating.

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“…1 Generally, the insert which suffers from violently cutting force, high cutting heat, and severe wear is the key factor in metal cutting because of the direct contact with the workpiece; hence, proper insert selection is a very important issue during metal cutting process. In today’s metalworking industry, many types of materials, such as high-carbon steel, carbide, 2 ceramics, 3 and diamonds and CBN 4 with different coatings 5 are used for cutting tools. In addition, tools with various shapes are also developed to meet the requirements in wide range of conditions, 6 which made the tool selection a multi-criteria decision-making problem in the presence of various selection criteria and a set of possible alternatives.…”

Section: Introductionmentioning

confidence: 99%

Turning inserts the selection approach based on fuzzy comprehensive evaluation

Huo

Xiong

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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Tool selection is a multi-criteria decision-making problem in the presence of various selection criteria and a set of alternatives, but previous works are limited to evaluating the tools within the workshop tool library. To intelligently select proper inserts across suppliers under the Internet environment, an insert data format based on ISO 513 was established, and a framework was then designed to obtain a set of alternatives from different suppliers based on fuzzy intervals. Then, knowledge was described with convenient language and the simple membership function to build an intelligent system, which would infer the matching degree of insert characteristics to the machining conditions. Furthermore, analytic hierarchy process was applied to sort the alternatives. Finally, the case study shows that compared with previous works and machinists, this work not only obtains a set of alternatives from all suppliers who uploaded their product data with the designed format but comprehensively evaluates the insert (take finishing low-carbon steel as an example, both cemented carbide and cermet are recommended, the nose radius reduces 25%, the environmental index increases 25%, while the rake reduces 11.25%, when compared with machinists who tend to select the larger rake angle foe finishing). A platform was also developed based on Visual Studio 2015 and SQL Server 2012 to improve selection efficiency for inexperienced CNC operators, purchasers, and vendors.

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Study on the microstructure and high temperature friction and wear characteristics of three CVD coated cermets

Cited by 12 publications

References 29 publications

A study on wear behavior of TiN/AlCrN multilayer coatings at high temperature testing conditions

A study on wear behavior of TiN/AlCrN multilayer coatings at high temperature testing conditions

The Tribological Behavior of TiN/TiC CVD Coatings under Dry Sliding Conditions against Zirconia and Steel Counterparts

Turning inserts the selection approach based on fuzzy comprehensive evaluation

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