Composition and structure–property relationship of low friction, wear resistant TiN–MoSx composite coating deposited by pulsed closed-field unbalanced magnetron sputtering

Gangopadhyay, S.; Acharya, Ranadip; Chattopadhyay, Angshuman; Paul, S.

doi:10.1016/j.surfcoat.2008.11.004

Cited by 49 publications

(24 citation statements)

References 22 publications

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“…The detailed description of the system and the process has been presented elsewhere [21]. Pulsed DC power was applied for both the targets and the substrates.…”

Section: Experimental Methods and Conditionmentioning

confidence: 99%

“…In a recent work of the authors, effect of MoS x content was studied on structural, mechanical and tribological properties of pulsed DC magnetron sputtered TiN-MoS x nanocomposite coating. It was shown that it was possible to achieve very low friction characteristics with coefficient of friction (l) less than 0.1 against cemented carbide ball under normal atmosphere while retaining coating hardness as high as 32 GPa [21]. Among the deposition parameters, the study of bias voltage is significant since it controls the degree of ion bombardment of the growing film.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Deposition Conditions and Counter Bodies on the Tribological Properties of Pulsed DC Magnetron Sputtered TiN–MoS x Composite Coating

et al. 2009

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In the current study, TiN-MoS x composite coatings were deposited by co-sputtering of MoS 2 and Ti targets under a mixture of Ar and N 2 gas environment using pulsed DC closed-field unbalanced magnetron sputtering. The tribological response of TiN-MoS x composite coatings was studied against two different counter bodies: cemented carbide (WC-6% Co) ball and pin made of aluminium alloy (AlSiMg). First, the effect of substrate bias was studied on tribological properties using cemented carbide ball. Lowest coefficient of friction in the range of 0.03-0.04 was obtained for the specimen deposited at a substrate bias of -60 V. Wear coefficient was also found to be minimum for the same specimen. Coatings were further deposited at an optimum bias of -60 V in order to vary MoS x content of TiN-MoS x composite coating. Effect of variation of chemical composition of the coating was then studied on tribological performance of the coating against aluminium alloy counterface. Excellent anti-sticking property of MoS x was found to have enabled the TiN-MoS x composite coating to achieve considerably low coefficient of friction against aluminium alloy. It was shown that with optimum MoS x content of TiN-MoS x composite coating, it was possible to attain as low coefficient of friction as 0.09 against aluminium alloy even under normal atmospheric condition.

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“…The detailed description of the system and the process has been presented elsewhere [21]. Pulsed DC power was applied for both the targets and the substrates.…”

Section: Experimental Methods and Conditionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Deposition Conditions and Counter Bodies on the Tribological Properties of Pulsed DC Magnetron Sputtered TiN–MoS x Composite Coating

et al. 2009

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“…The PVD-deposited composite coating (TiN-MoS x ) showed reduced wear [81] ( Table 9.3). The functionality of the multicomponent coating is increased by forming a nanoscaled multilayer [82] and inclusion of metal doping to form a nano-composite coating [83][84][85]. Examples of multicomponent systems that showed higher hardness and lower friction are listed in Table 9.1.…”

Section: Mos 2 -Based Multilayered and Multicomponent Coatingsmentioning

confidence: 99%

Coatings Tribology

Ingole¹

2013

Tribology for Scientists and Engineers

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Optimization of coefficient of friction in association with minimum wear is a general requirement to reduce energy consumption due to friction and wear losses. Lubrication such as solid and liquid is utilized to meet low friction and wear demands. Extreme environmental conditions such as space and hightemperature applications limit their usefulness. There is a need to design newer class of coatings for such applications. Design and selection parameters of coatings and their tribology are discussed in this chapter. These parameters include scaledependent failure modes (nano-and micrometer length scale), state of stress at the interface, material properties, and chemical interactions at the interface. The requirements for selection of coating for friction applications are included. Tribology of low-friction coatings such as graphite, molybdenum disulfide, diamond-like carbon, chromium-based coatings, and polymeric coatings is discussed. Effects for service conditions such as load, nitrogen, humidity, and temperature for selected coatings are listed. Knowledge of the interfacial phenomena plays very important role in selection and development of coatings for tribological applications.

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“…These coatings are developed using a multilayer, hard/soft, or composite architecture. Examples of the added metals or ceramics are as follows: gold (Au), [20] titanium (Ti), [21,22] chromium (Cr), [23,24] chromium nitride (CrN), [25] titanium nitride (TiN), [26][27][28][29][30] or titanium diboride (TiB 2 ). [31] MoS 2 /Ti composite coatings (MoST) have been widely researched and are already widely used in the industry to improve the performance of metal forming tools.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Composition on the Properties of (Cr_1–xAl_x)N/Mo_yS_z PVD Coatings

et al. 2015

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Cr 1Àx Al x )N/Mo y S z coatings promise a solution for replacement of lubricants on highly forced tools in dry cold forging. Wear resistant (Cr 1Àx Al x )N together with the self-lubricating Mo y S z deposited using PVD technology offers an extension of tool life without lubricants. This combination is insufficiently researched and its capabilities are yet unknown. In this contribution, (Cr 1Àx Al x )N/Mo y S z coatings are deposited by means of PVD in an industrial-scale unit. Decreasing the Cr and Al content by increasing Mo and S content, influences the coating properties considerably. It is found that hardness and indentation modulus decrease. However, an increase of the deposition rate is observed. A reduction of the friction coefficient with the increase of MoyS z content is detected.

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Composition and structure–property relationship of low friction, wear resistant TiN–MoSx composite coating deposited by pulsed closed-field unbalanced magnetron sputtering

Cited by 49 publications

References 22 publications

Effects of Deposition Conditions and Counter Bodies on the Tribological Properties of Pulsed DC Magnetron Sputtered TiN–MoS x Composite Coating

Effects of Deposition Conditions and Counter Bodies on the Tribological Properties of Pulsed DC Magnetron Sputtered TiN–MoS x Composite Coating

Coatings Tribology

Influence of the Composition on the Properties of (Cr_1–xAl_x)N/Mo_yS_z PVD Coatings

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Composition and structure–property relationship of low friction, wear resistant TiN–MoSx composite coating deposited by pulsed closed-field unbalanced magnetron sputtering

Cited by 49 publications

References 22 publications

Effects of Deposition Conditions and Counter Bodies on the Tribological Properties of Pulsed DC Magnetron Sputtered TiN–MoS x Composite Coating

Effects of Deposition Conditions and Counter Bodies on the Tribological Properties of Pulsed DC Magnetron Sputtered TiN–MoS x Composite Coating

Coatings Tribology

Influence of the Composition on the Properties of (Cr1–xAlx)N/MoySz PVD Coatings

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Influence of the Composition on the Properties of (Cr_1–xAl_x)N/Mo_yS_z PVD Coatings