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Keywords: stiffness
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Journal Articles
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101501.
Paper No: TRIB-21-1613
Published Online: May 3, 2022
... and side contact between asperities is established by statistical theory. The simulation results of the model show that the dimensionless tangential contact stiffness of joint is always lower than that of the GZQ model under the condition of the same dimensionless average distance of contact surfaces and P...
Journal Articles
Article Type: Review Articles
J. Tribol. April 2022, 144(4): 040801.
Paper No: TRIB-21-1155
Published Online: August 3, 2021
... characterization that must be considered for reliable operation. Finally, it examines in detail the geometrical configurations, load-bearing capacity, dynamic behavior, and stability connected with stiffness and damping. References [1] Penzkofer , A. , and Atallah , K. , 2014 , “ Magnetic Gears...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2015, 137(1): 011201.
Paper No: TRIB-13-1246
Published Online: October 3, 2014
... of lameness or joint surgery. From these horses, 65, 48, and 7 articular cartilage surfaces were collected from the fetlock, carpal, and stifle, respectively, for stiffness measurements. Articular cartilage surfaces damaged by injury or an operators' mistake during dissection were filtered from the test...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2014, 136(4): 041704.
Paper No: TRIB-13-1218
Published Online: June 19, 2014
.... With the magnetic field calculated in this paper, the yield stress of the MR Fluid is 25 kPa. (c) A NMR fluid which consists of Fe nano particles with maximum yield stress of 20 Pa at 343 kA/m, with viscosity of 9.9 Pa·s at 25 °C. The stiffness and damping properties of a journal bearing can be treated...
Journal Articles
Article Type: Research-Article
J. Tribol. April 2013, 135(2): 021501.
Paper No: TRIB-12-1072
Published Online: December 26, 2012
... and speed are determined. The numerical results demonstrate that the stiffness increases with the increasing load and decreases with speed. However, the changes of damping are different in various working conditions, especially under heavier load and higher speed. It is also indicated that the stiffness...
Journal Articles
Article Type: Contact Mechanics
J. Tribol. April 2012, 134(2): 021402.
Published Online: April 12, 2012
..., revolute joints have a major impact on the dynamic behavior of the system into which they are built. Two main characteristics of these elements are their stiffness and their clearance. Both of them change as the wear between the joint’s pin and the rod hole increases during operation. In order to consider...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011102.
Published Online: November 10, 2009
...Hiroyuki Ohta; Keisuke Tanaka This article deals with the vertical stiffnesses of preloaded linear guideway type ball bearings (linear bearings) incorporating the flexibility of the carriage and rail. First the vertical stiffnesses of light and medium preloaded linear bearings were measured...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 041703.
Published Online: September 22, 2009
... the performance of the GFB structure. This paper presents experiments conducted to estimate the structural stiffness of a test GFB for increasing shaft temperatures. A 38.17 mm inner diameter GFB is mounted on a nonrotating hollow shaft affixed to a rigid structure. A cartridge heater inserted into the shaft...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 887–894.
Published Online: June 6, 2007
... of bearing has a direct effect on crankshaft strength. finite element analysis internal combustion engines lubrication shafts tribology bearing stiffness strength crankshaft A crankshaft is one of the most important parts for an internal combustion engine. The whole dimension...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 720–728.
Published Online: May 16, 2007
... to be in good accordance with the quasi-static stiffness of the lubricant bridge, and variation in the damping coefficient was explained by energy loss arising in the vibrating lubricant bridge. Image of probe tip taken by scanning electron microscope 13 06 2006 16 05 2007 damping...
Journal Articles
Article Type: Technical Briefs
J. Tribol. July 2006, 128(3): 670–673.
Published Online: February 24, 2006
... ( infinite speed number) follows. The bearing ultimate load and stiffness coefficients are derived from simple algebraic equations for the gas film pressures at the equilibrium journal position and due to small amplitude journal motions, respectively. GFBs without a clearance or with assembly interference...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2000, 122(2): 405–411.
Published Online: August 24, 1999
... cylindrical part. The superposition method is then introduced to obtain the roller stiffness. The stiffness contribution of the crowned parts is calculated by the classical Hertzian contact solution and the stiffness contribution of the noncrowned part is obtained by the Hoeprich’s formula. Comparisons...