Transactions of the ASME . Journal of tribology, Vol. 133 N° 3. Journal of tribology :Transactions of the ASME - Juillet 2011
| Titre : | Transactions of the ASME . Journal of tribology, Vol. 133 N° 3. Journal of tribology :Transactions of the ASME - Juillet 2011 |
| Type de document : | Bulletin |
| Paru le : | 12/02/2012 |
Dépouillements
Article : texte imprimé
Arthur Francisco, Auteur ;
Houssein Abbouchi, Auteur ;
Bernard Villechaise, Auteur
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The background of the present study is the rolling contact fatigue (RCF) in a brittle polymer disk. The disk has been tested on a two disk machine, under controlled normal and tangential loads, with no global slip. After several million cycles a[...]
Article : texte imprimé
Said Jahanmir, Auteur ;
Andrew Z. Hunsberger, Auteur ;
Hooshang Heshmat, Auteur
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Hydrogenated diamondlike carbon (H-DLC) coatings provide excellent wear resistance and low friction for bearing applications. However, the use of such coatings with aqueous lubricants could pose some difficulties due to the hydrophobic nature of[...]
Article : texte imprimé
Martin C. Marinack, Jr., Auteur ;
C. Fred Higgs, III, Auteur
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Granular flows continue to be a complex problem in nature and industrial sectors where solid particles exhibit solid, liquid, and gaseous behavior, in a manner which is often unpredictable locally or globally. In tribology, they have also been p[...]
Article : texte imprimé
Zhan-jiang Wang, Auteur ;
Wen-Zhong Wang, Auteur ;
Fan-ming Meng, Auteur
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A numerical approach for solving the fretting contact on coated or layered materials, with consideration of loading history, is presented in the paper. The fretting problem was solved by using a semi-analytical method (SAM), in which analytical [...]
Article : texte imprimé
Raynald Guilbault, Auteur
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Applying the Hertz theory to some non-Hertzian contact problems can produce acceptable results. Nevertheless, including the influence of free surfaces requires numerical methods, many of which are based on the Boussinesq–Cerruti solution. This p[...]
Article : texte imprimé
Michael A. Klecka, Auteur ;
Ghatu Subhash, Auteur ;
Nagaraj K. Arakere, Auteur
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Graded materials with high surface hardness and ductile cores are popularly used in high performance bearing applications to resist surface wear and fatigue damage. The gradient in hardness with depth is commonly determined using micro-indentati[...]
Article : texte imprimé
A. Ovcharenko, Auteur ;
M. Yang, Auteur ;
K. Chun, Auteur
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Contact between a slider and a magnetic recording disk is modeled as transient contact of a sphere on a moving flat. The sphere is assumed to be rigid, and the flat is treated as an elastic-plastic body with isotropic hardening. Heat generation [...]
Article : texte imprimé
Ilya I. Kudish, Auteur
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Solution of a contact problem for a rough elastic half-plane is considered. Surface roughness is assumed to be small and stochastic. A perturbation solution of the problem for relatively small roughness with singly connected contact region is pr[...]
Article : texte imprimé
H. Eid, Auteur ;
N. Joshi, Auteur ;
N. E. McGruer, Auteur
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A finite element model of a layered hemisphere contacting a rigid flat, which includes the effect of adhesion, is developed. In this analysis elastic-plastic material properties were used for each of the materials comprising the layered hemisphe[...]
Article : texte imprimé
Brian Vick, Auteur ;
William C. Schneck, III, Auteur
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The objectives of this paper are to develop a means to estimate the real area of contact in sliding systems using thermal measurements and to provide experimental design guidance for optimal sensor locations. The methods used are a modified cell[...]
Article : texte imprimé
Rebecca D. Ibrahim Dickey, Auteur ;
Robert L. Jackson, Auteur ;
George T. Flowers, Auteur
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A new experimental apparatus is used to measure the static friction between tin surfaces under various loads. After the data is collected it is then compared to an existing theoretical model. The experiment uses the classical physics technique o[...]
Article : texte imprimé
R. S. Dwyer-Joyce, Auteur ;
T. Reddyhoff, Auteur ;
Zhu, J., Auteur
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The reflection of ultrasound can be used to determine oil film thickness in elastohydrodynamic lubricated (EHL) contacts if the opposing surfaces are fully separated by the liquid layer. The proportion of the wave amplitude reflected depends on [...]
Article : texte imprimé
Ning Ren, Auteur ;
Dong Zhu, Auteur ;
Q. Jane Wang, Auteur
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Elastohydrodynamic lubrication (EHL) is one of the most common types of lubrication, which widely exists in many machine elements such as gears, rolling bearings, cams and followers, metal rolling tools, and continuous variable transmissions. Th[...]
Article : texte imprimé
The influences of a single bump (dent) or regularly arranged bumps (dents) on the film thickness in impact circular elasthydrodynamic lubrication (EHL) contacts lubricated with a Newtonian lubricant are investigated numerically. It has been foun[...]
Article : texte imprimé
Adam Wilczek, Auteur
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This paper presents a model study of inductive, capacitive, and piezoelectric effects on the accuracy of pressure measurements in an EHD contact. Circuit and mathematical models of a thin-layer sensor and a measurement system were developed. It [...]
Article : texte imprimé
Nándor Békési, Auteur ;
Károly Váradi, Auteur ;
Dávid Felhos, Auteur
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Modeling of the complex tribological behavior of the elastomer parts is required when designing sliding seal applications. Friction, wear, and lubrication mechanisms of rubber-like materials differ from those in case of metals, ceramics, and rig[...]
Article : texte imprimé
R. Aliasgarian, Auteur ;
H. M. Ghasemi, Auteur ;
M. Abedini, Auteur
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Effects of heat treatments and applied loads on the tribological behavior of Ti-56.5 wt. % Ni and Ti-57.5 wt. % Ni alloys were investigated. Wear tests were performed on a pin-on-disk tribometer under normal loads of 20 N and 60 N at a sliding s[...]
Article : texte imprimé
Girish R. Desale, Auteur ;
Bhupendra K. Gandhi, Auteur ;
S. C. Jain, Auteur
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Material loss due to erosion is a serious problem associated with the flow of solid-liquid mixtures. In the present work, erosion wear tests have been carried out in a slurry pot tester for seven different ductile type materials namely aluminum [...]
Article : texte imprimé
Aphale, Chinar R., Auteur ;
Schultz, William W., Auteur ;
Ceccio, Steven L., Auteur
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The aeration of an oil film flowing between the faces of two closely spaced circular plates (one stationary, and one rotating) is examined experimentally, numerically, and with an improved lubrication model. The gap between the plates is small c[...]
Article : texte imprimé
Andreas Almqvist, Auteur ;
John Fabricius, Auteur ;
Andrew Spencer, Auteur
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Different averaging techniques have proved to be useful for analyzing the effects of surface roughness in hydrodynamic lubrication. This paper compares two of these averaging techniques, namely the flow factor method by Patir and Cheng (P&C) and[...]
Article : texte imprimé
Sharma, Satish C., Auteur ;
E. Rajasekhar Nicodemus, Auteur ;
Nathi Ram, Auteur
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The present work aims to analytically study the performance of misaligned four-pocket, membrane compensated, hybrid journal bearing system operating with micropolar lubricant. In the present study, the flow characteristic of the lubricating oil [...]
Article : texte imprimé
Chul Hee Lee, Auteur ;
Deuk Won Lee, Auteur ;
Jae Young Choi, Auteur
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Recently, research on the application of magnetorheological (MR) fluid in mechanical engineering has been widely expanded, while the performance of MR fluid in tribology has also been investigated. In this study, a modification of MR fluid, whic[...]
Article : texte imprimé
Guy Bayada, Auteur ;
Laurent Chupin, Auteur ;
Sébastien Martin, Auteur
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In this paper, an asymptotic expansion is used to derive a description of Phan–Tien– Tanner (PTT)/Oldroyd-B flows in the thin film situation without the classical “upper convective maxwell”(UCM) assumption. We begin with a short presentation of [...]
Article : texte imprimé
Kyung-Hee Park, Auteur ;
Brent Ewald, Auteur ;
Patrick Y. Kwon, Auteur
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Minimum quantity lubrication (MQL) has been used as an alternative solution for flood cooling as well as dry machining. However, the benefit of MQL is only realized in mild machining conditions as the heat generation during more aggressive machi[...]
Article : texte imprimé
Gang Sheng, Auteur ;
Jizhong He, Auteur ;
Shanlin Duan, Auteur
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The transient dynamics of a sub-10 nanometer air-bearing slider (pico glide head) are experimentally investigated using piezoelectric transducer (PZT)signal. Empirical mode decomposition is used to resolve the nonstationary and nonlinear respons[...]
Article : texte imprimé
Fanghua Mei, Auteur ;
W. J. Meng, Auteur ;
Carl H. Hager, Auteur
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Metal-based microchannel heat exchangers (MHEs) may offer a solution to thermal management required in a unlubricated bearing with ceramic or coated rolling elements. In this paper, we report results of tribological testing on steel coupons cool[...]
Article : texte imprimé
Bassani, Roberto, Auteur
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This chapter deals with a hydrodynamic journal bearing provided with hollow bushings, capable of supporting very high loads, even at low speeds, at which separation between the shaft and the housing's bushing is induced by a specific self-regula[...]
Article : texte imprimé
V. Zolotarevskiy, Auteur ;
Y. Kligerman, Auteur ;
I. Etsion, Auteur
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The evolution of static friction and tangential stiffness in presliding of an elastic-plastic sphere in contact with a rigid flat, under full stick contact condition, is analyzed. Empirical dimensionless equations are developed for these parameters.
Article : texte imprimé
A. A. Lubrecht, Auteur
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The current paper analyses the complexity and precision of FEM calculations in 2 dimensional solid mechanics. The work shows that both grid refinement and domain enlargement are required to increase precision.
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