Information and translations of thixotropic in the most comprehensive dictionary definitions. Certain gels or fluids that are thick viscous under static conditions will flow become thin, less viscous over time when shaken. Mayonnaise has a high viscosity when stirred slowly but a much lower viscosity when stirred quickly. Thixotropic property in pharmaceutical formulations. Thixotropy definition, the property exhibited by certain gels of becoming liquid when stirred or shaken. Information and translations of thixotropy in the most comprehensive dictionary definitions. Some foods exhibit properties such as thixotropy which can interfere with the way they are handled and processed. Jan 12, 2019 corrosionpedia explains thixotropic index ti nonnewtonian fluids are known to have a low viscosity when stirred at high speed and high viscosity at low speeds. However, thixotropic effect is not a therapeutic effect, and does not explain releases in massage or fascial therapy. History of thixotropyhistory of thixotropy the term thixotropy was first used by peterfi in 1927 from the greek work thixis stirring or shaking and trepo turning or changing thixotropy was originally. How to convert pdf to word without software duration.
Thixotropy leads to a decrease in viscosity and the flow acceler ates avalanche. Thixotropy is the property, exhibited by some gels, of becoming fluid when stirred or shaken and returning to a semisolid state when standing. Updated with all the very latest new words and senses, this new th edition is an unparalleled resource for word. Jul 25, 2015 according to the oxford english dictionary, thixotropy is the property of certain gels of becoming fluid when agitated and of reverting back to a gel when left to stand. Thixotropic article about thixotropic by the free dictionary. Hello all,actually joined this forum only to ask this question. It is clear that people using the word thixotropy today fall into two camps. Dictionary term of the day articles subjects businessdictionary. Thixotropy definition of thixotropy by the free dictionary.
Im not too optimistic, but hey, maybe theres some rheology gurus in the house. Pronouncing and mispronouncing thixotropy rheo thing. Viscosity can be measured in a number of ways and with different units of measure. In the broader sense, thixotropy is a temporary reduction in the effective viscosity of a viscous fluid or plastic system that results from deformation of the system and is independent of the physical nature of the changes occurring in the system. The property exhibited by certain gels of becoming fluid when stirred or. History of thixotropyhistory of thixotropy the term thixotropy was first used by peterfi in 1927 from the greek work thixis stirring or shaking and trepo turning or changing thixotropy was originally referred to reversible changes from fluid to solidlike elastic gel. Relationship between yield stress and thixotropy the inclined plane test is used to demonstrate the interplay between yield stress and thixotropy. There have been a number of reported studies on using a feedstock material with a thixotropic characteristic globular microstructure to weld by employing different methods such as laser welding and friction stir welding, but problems arise with these methods including porosities, loss of alloying elements, bad geometry, and softening of the heataffected zone resulting in a nonhomogenous. Because thixotropic liquids are called nonnewtonian fluids, this means the energy to.
Jan 01, 2008 although campbell and lakie in a comment to the editor in this issue of biophysical journal suggested that exclusive crossbridge action is behind muscle thixotropy, recent findings and our preliminary observations suggest that additional mechanisms could also be involved. Thixotropy is the property of certain gels or fluids that are viscous thick under normal conditions, but flow become thin, less viscous when shaken, agitated, or otherwise stressed. Whats the meaning of thixotropic, regarding a dental. Jan 22, 2017 thixotropy is a timedependent shear thinning property. Corrosionpedia explains thixotropic index ti nonnewtonian fluids are known to have a low viscosity when stirred at high speed and high viscosity at low speeds. Thixotropy is a property exhibited by some fluids which have a gellike consistency when they are stationary, but which thin when they are subjected to shear stress. Thixotropy of scc and its effects on formwork pressure eric p. Thixotropic definition of thixotropic by medical dictionary. Determining and measuring thixotropy and rheology for. The unconfined compressive strength, q u, is defined as the ultimate load per unit cross sectional area that a standard cylindrical specimen of soil can take under compression without any lateral pressure. In their comment to the editor, campbell and lakie argue that although contradictory reports abound, the thixotropic behavior of muscle is exclusively explained by a sole crossbridge. Updated with all the very latest new words and senses, this new th edition is an unparalleled resource for word lovers. We will take a look at two 2 simple parts of this known as viscosity and thixotropy.
Thixotropy definition and meaning collins english dictionary. Thixotropy article about thixotropy by the free dictionary. Determining and measuring thixotropy and rheology for coatings applications. People love to use the word thixotropy whenever they can. Other definitions such as the property of gels of showing a temporary reduction in viscosity when shaken or stirred do not. Above there is a transcription of this term and an audio file. Thixotropy is one of the reasons that we loosen up a little as we move around, just like engine oil warming up. Apr 08, 2020 thixotropy is also of interest to people who work with clays, such as potters, and in some areas of the food industry. Certain gels or fluids that are thick or viscous under static conditions will flow become thinner, less viscous over time when shaken, agitated, shear.
According to the oxford english dictionary, thixotropy is the property of certain gels of becoming fluid when agitated and of reverting back to a gel when left to stand. Thixotropy is the property of certain gels or fluids that are viscous thick under normal conditions, but flow become thin, less viscous when shaken, agitated, or otherwise stressed in more technical. Thixotropy definition of thixotropy by medical dictionary. Thixotropy definition of thixotropy by merriamwebster. A good example of a highly thixotropic liquid is mayonnaise. Thixotropy of scc and its effects on formwork pressure. Heres a list of opposite words from our thesaurus that you can use instead. The unconfined compressive strength, q u, is defined as the ultimate load per unit cross. In these fluids, the energy required to move then is not directly equal to the speed applied. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This is of especial significance for animals that burrow in sand because dilatancy makes burrowing impossible. You can listen to 3 audio pronunciation by different people. They then take a fixed time to return to a more viscous state.
Thixotropy simple english wikipedia, the free encyclopedia. Feb 19, 20 thixotropy is one of the reasons that we loosen up a little as we move around, just like engine oil warming up. Above there is a transcription of this term and an audio file with correct pronunciation. Thixotropy is the term given to the reduction in resistance of sand with increased rate of shear or disturbance, as opposed to dilatancy, where increasing shear force causes. Thixotropic definition, the property exhibited by certain gels of becoming liquid when stirred or shaken. Giorgia bettin hatsopoulos microfluids laboratory department. Thixotropy is a timedependent shear thinning property. Certain gels or fluids that are thick or viscous under static conditions will flow become thinner, less viscous over time when shaken, agitated, shearstressed, or otherwise stressed time dependent viscosity. Its pretty much impossible to figure out the meaning just from the word. Under shear, there is a reduction in apparent viscosity. I need a good explanation of the difference between ngative thixotropy and rheopexy. History of thixotropyhistory of thixotropy the term thixotropy was first used by peterfi in 1927 from the greek work thixis stirring or shaking and trepo turning or changing thixotropy was originally referred to reversible changes from fluid to.
This page is made for those who dont know how to pronounce thixotropy in english. Viscosity and thixotropy the science of liquid movement is called fluid dynamics. Thixotropy is a timedependent rheological property associated with the materials microstructure, which can be broken andor built up during a flowing process. Thixotropy definition is the property of various gels of becoming fluid when disturbed as by shaking. Jun 06, 2005 please use one of the following formats to cite this article in your essay, paper or report. Very simply, the viscosity of a liquid is how thick that liquid is.
All about thixotropy download all about thixotropy in pdf. Property of some gels to become fluid on the application of pressure and to regel when the pressure is removed. Thixotrope definition of thixotrope by the free dictionary. Definition of thixotropy the word thixotropy, which was first introduced by freundlich in the book thixotropie 6, is put together by the two greek words thixis stirring, shaking and trepo turning, changing. Xysil fumed silica application and selection guide application primary performance criteria suggest grade suggest addition mm% rubber synthetic rubber reinforcement xysil200 5. Im not too optimistic, but hey, maybe theres some rheology. All about thixotropy download all about thixotropy in pdf this page is made for those who dont know how to pronounce thixotropy in english. Definition of thixotropy the word thixotropy, which was first introduced by freundlich in the book thixotropie 6, is put together by the two greek words thixis. There have been a number of reported studies on using a feedstock material with a thixotropic characteristic globular microstructure to weld by employing different methods such as laser welding.
Thixotropy is the term given to the reduction in resistance of sand with increased rate of shear or disturbance, as opposed to dilatancy, where increasing shear force causes increased resistance. Thixotropy is a passive property of the skeletal muscle that depends on the muscles immediate history of contraction and length change. Its a very unusual word and can sound rather impressive. Thixotropy is how much body or fluffiness there is in a material.
1483 1201 529 436 482 262 987 531 668 834 733 696 761 475 323 751 705 1317 667 1074 728 179 1531 770 740 1241 204 457 894 1442 576 471