Browsing by Subject "friction"
Now showing items 1-15 of 15
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(2016-07-12)Adhesive wear is one of the most difficult types to study and is especially challenging for polymers. Such wear processes involve the mutual sticking of surface asperities followed by removal of debris from the bulk. This ...
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(2017-05-10)In comparison to vertical hole drilling, recent explorations of ERD wells and use of horizontal drilling strings has significantly increased the drag and torque as well as wear on the drill string, drill column, casings ...
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(2016-12-14)This research investigates the influence of morphological characteristics on tribological performance of lubricating grease. The use of grease as a semi-solid lubricant has been well established in reducing friction and ...
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(2013-12-02)This thesis explores the effects of fluid flow on shear localization and frictional strength of fault gouge through the use of a coupled 2-phase (pore fluid-grain) Finite Difference-Discrete Element Numerical model. The ...
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(2012-02-14)Frictional measurements were made on natural fault gouge at seismic slip rates using a high-speed rotary-shear apparatus to study effects of slip velocity, acceleration, displacement, normal stress, and water content. ...
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(2018-08-02)Recent experimental wear tests have demonstrated that shape memory alloys offer better wear resistance than conventional wear resistant materials and therefore make them ideal candidates as tribological materials. The wear ...
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(2009-05-15)This research studies individual and combined effects of hydrogen gas exposure and low temperature on the tribological characteristics of Ti-6Al-4V. Experimental approaches include test system modification and tribological ...
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(Texas A&M University, 2007-09-17)This thesis includes two parts. The first part reviews the history and fundamentals of surface science and tribology. The second part presents the major research outcomes and contributions. This research explores the aspects ...
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(2018-12-04)The scarcity of conventional oil reservoirs has led the oil and gas (O&G) industry to develop non-conventional extraction techniques such as extended-reach drilling (ERD) that brings new engineering challenges. Challenges ...
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(2012-02-14)Prepainted metal sheets being environment friendly and cost effective as compared to postpainted metal sheets, are widely used in construction, packaging, transportation and automotive industries. One of the key requirements ...
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(2023-07-28)In the quickly developing field of robotics, there is an urgent and growing need for high-quality and reliable simulations. While robotics simulators are used commonly by roboticists, there is a lack of knowledge about how ...
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(2018-06-13)A pressing financial and environmental challenge is the impact of friction and wear on energy usage, economic costs, and greenhouse gas (GHG) emissions. Globally nearly ¼ of the world’s total energy is consumed at moving ...
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(2014-05-14)Recently, there has been an increase in research in the application of ionic liquids containing nanoparticles as lubricants due to their properties such as thermally stability, non-volatility and non-flammability. The ...
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(2013-08-02)New nanomaterials and nanoparticles are currently under investigation as lubricants or lubricant additives due to their unusual properties compared to traditional materials. One of the objectives of this work is to investigate ...
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(2012-04-16)This study presents the results of experimental work that examines the functionality of friction-damped braced frames during seismic events. The simplicity and efficacy of this friction device as a means of passive vibration ...