Deformations exert mechanical. Medical search. Frequent questions

During the forging process, the billet undergoes obvious plastic deformation, resulting in a large amount of plastic flow. (cnhydz.com)
The change of the shape and size of the workpiece can be realized by the material transfer caused by plastic deformation, and no chips will be generated, so the material utilization rate is high. (cnhydz.com)
Forging is a processing method that uses forging machinery to exert pressure on metal billet to produce plastic deformation and obtain forgings with certain mechanical properties, shapes and sizes. (jcforging.com)
1) According to the theory of metal plastic deformation, at room temperature on the metal blanks to exert a certain pressure, so that in the cavity produced plastic deformation, according to the provisions of the shape and size. (songwei.cn)
The subject of this proposal is the achievement of ultrafine grained materials by the application of severe plastic deformation (SPD). (fapesp.br)
When applying shearing or bending forces up to failure, the material is subjected to plastic deformation. (universalgrinding.com)

Based on the results, we suggest that the compressibility and bulk relaxation/fluid flow play a significant role in the deformation behavior of single cells and should be taken into account in the analysis of the mechanics of cells. (hindawi.com)
Mechanobiology of tissues and cell biosynthesis are related to the mechanical signals experienced by cells, and the deformation behavior of cells within a tissue is affected by the mechanical environment and mechanical properties of cells. (hindawi.com)
The time-dependent deformation behavior of the cell cannot be modeled with an elastic model. (hindawi.com)
The time-dependent deformation behavior of different cell types has been modeled using viscoelastic, poroelastic and poroviscoelastic material models [ 8 , 12 - 22 ]. (hindawi.com)
This explanation of the mechanical behavior of bone is complex. (saveourbones.com)
The deformation twinning significantly induces an asymmetry in the yield behavior. (cambridge.org)
PCB terminal blocks, connectors, or electronic housings are tested to determine factors such as the strength and the deformation, bending and fracture behavior of the housing, conductor outputs, and contact surfaces. (phoenixcontact.com)
Because of this, strategies to study mechanics in biology often involve engineering substrates with physiologically relevant mechanical stimuli to elucidate cell behavior in response to those stimuli. (jove.com)

the force condition, that is, the equipment exerts sufficient deformation force on the workpiece through the die, that is, a specific distribution force. (cnhydz.com)
The upper die is attached to the ram, and the downward stroke of the ram exerts force on the workpiece. (pressmach.eu)

The microstructure evolution and mechanical responses are investigated in uniaxial tensile test performed on AZ31 magnesium alloy sheets processed by the flat extrusion container. (cambridge.org)
A proper understanding of these forces requires the measurement of interfacial microstructure and how that microstructure responds to flow and deformation. (biolinscientific.com)
The matrix microstructure was observed to be very stable during creep deformation. (iisc.ac.in)

It consists of passing metal between two rollers, which exert compressive stresses, reducing the metal thickness. (doitpoms.ac.uk)
In this article, the authors presented "a method to quantify cell-generated mechanical stresses exerted locally within living embryonic tissues, using fluorescent, cell-sized oil microdroplets with defined mechanical properties and coated with adhesion receptor ligands. (genengnews.com)
After a droplet is introduced between cells in a tissue," the authors continued, "local stresses are determined from droplet shape deformations, measured using fluorescence microscopy and computerized image analysis. (genengnews.com)
To accurately determine the magnitude of mechanical stresses in the deformed steel structure of the crane bridge, calculations based on industry standards are necessary. (kamarkhani.info)
By applying these calculations, engineers can evaluate the stresses exerted on the main girder and identify potential areas of concern. (kamarkhani.info)
Furthermore, the finite element method, implemented through software like MSC.MARC 2019, allows for a more detailed analysis of the mechanical stresses. (kamarkhani.info)
The stress exponent, an inverse grain size exponent and activation energy were calculated from creep experiments and they were found to be consistent with a Coble diffusion creep deformation mechanism at high stresses. (iisc.ac.in)

Strain, at its simplest, can be measured by magnitude- how much structural deformation occurs at the site of stress. (saveourbones.com)
Strain magnitude is a measure of how much structural deformation occurs. (saveourbones.com)
To address the issues associated with crane skewing, it is essential to detect and measure the magnitude of mechanical stress and deformation in the steel structure of the crane's main girder. (kamarkhani.info)
A novel emphasis based on the texture was used to estimate the relative magnitude of hardening effects related to the deformation twinning. (cambridge.org)
This relationship allows us to directly translate the magnitude of matrix deformations to the total contractility of arbitrarily sized spheroids. (elifesciences.org)

there is a need to quantify the forces that are collectively exerted by invading cancer cells under physiologically relevant conditions. (elifesciences.org)
Nanoindentation refers to a class of experimental techniques where a micrometric force probe is used to quantify the local mechanical properties of soft biomaterials and cells. (jove.com)

Approved For Release 2000/08/07 : CIA-RDP96-00787R000500160001-1 STUDY OF SOME APPARENTLY ABNORMAL DEFORMATIONS AND TRANSFORMATIONS OF METALS C. CRUSARD AND J. BOUVAIST After one of us was suddenly confronted with a case of deformation of a metal specimen without apparent action of an external force*, we considered it our obligation as metallur- gical investigators to attempt systematically to study pheno- mena of this type. (cia.gov)
To be able to compare the values of resistance of the specimens to the forces to which they could have been subjected if fakery involving surreptitious bending had been used, we determined the maximum moment that a man can develop by grasping a bar in both hands and exerting all his force. (cia.gov)
Stress describes force exerted on bone. (saveourbones.com)
While three-dimensional traction force microscopy for single cells in a nonlinear matrix is computationally complex due to the variable cell shape, here we exploit the spherical symmetry of tumor spheroids to derive a scale-invariant relationship between spheroid contractility and the surrounding matrix deformations. (elifesciences.org)
All methods referenced above are based on linear elastic materials that exhibit a constant stiffness, independent of strain, so that the measured deformation is proportional to the corresponding force. (elifesciences.org)
3) Reduce the deformation force. (cnhydz.com)
During the process, a piece of sheet metal is formed along a straight axis by placing it between two matching dies and exerting a force to close the gap between them. (jensenfabrication.com)
The anchoring capacity is very high and the contacting shoes are designed to adjust to small borehole deformations while still exerting the anchoring force. (essearth.com)
In the other case, I am exerting force on very very small mass of the earth, thus that very very small mass of earth exerts force on me. (stackexchange.com)
Here I am accelerated with 'a' which when multiplied with my mass will be equal to mass of the earth on which I exerted force multiplied by acceleration to which it was accelerated by me. (stackexchange.com)
Some times we exert force on very huge mass, here it is accelerated but not sufficient to move. (stackexchange.com)
Piezoelectric and functional properties of materials with coexisting ferroelectric and antiferroelectric phases[J]. The piezoelectric actuators transform electrical signals into mechanical signals and are used in displacement actuators and force generators. (acadiasi.ro)
The tensile force exerts stress on the conductor at the terminal point. (phoenixcontact.com)
The drag force exerted by cylindrical CNTs on the moving grain boundary was calculated analytically. (iisc.ac.in)

Although the tractive forces exerted by cells roaming petri dishes have been measured, hardly anything is known about the forces generated by cells as they assemble three-dimensional tissues and shape embryonic organs. (genengnews.com)
The technique was described in an article published December 8 in Nature Methods, in an article entitled "Quantifying cell-generated mechanical forces within living embryonic tissues. (genengnews.com)
Eldredge explains: "We seek to simulate air flows in which the forces that the flow exerts on the adjacent tissues causes them to deform and therefore dynamically alter the geometry of the airway in the simulation. (sleepreviewmag.com)
From whole tissues to single cells, mechanical properties can inform about the pathophysiological state of the biomaterial under investigation 3 , 4 . (jove.com)
In general, the mechanics of cells and tissues are inherently intertwined: each tissue has specific mechanical properties that simultaneously influence and depend on those of the constituent cells and extracellular matrix (ECM) 5 . (jove.com)

Cells experience nonlinear large deformations during the aspiration procedure. (hindawi.com)
We describe a method for quantifying the contractile forces that tumor spheroids collectively exert on highly nonlinear three-dimensional collagen networks. (elifesciences.org)

Forging can eliminate the as-cast pores and welding holes of the metal, and the mechanical properties of forgings are generally better than those of castings of the same material. (cnhydz.com)

Besides promising to explicate the role of cell-generated mechanical forces in embryonic development, this technique may advance knowledge regarding other processes including birth defects, tumor growth and metastasis, and diseases in which imbalanced cellular forces play a role. (genengnews.com)
Non-quenched and tempered steel and residual heat deformation treatment are energy-saving processes. (cnhydz.com)
The deformation processes are ECAP, conventional rolling and closed die cyclic forging (CDCF). (fapesp.br)

S. Spinner and W. E. Tefft, A Method for Determining Mechanical Resonance Frequencies and for Calculating Elastic Moduli from These Frequencies, American Society for Testing and Materials, Proceedings, Vol. 61, pp. 1221-1238 (1961). (nist.gov)
Where previous simulations have treated the airway as rigid, Jeff D. Eldredge, PhD, MS, and team's model depicts the tissue as it experiences elastic deformation and collapse with breath. (sleepreviewmag.com)

Cells possess mechanical properties that change along with changes in cytoskeletal network in each stage of differentiation or disease [ 3 ]. (hindawi.com)
Hence, a method to search for the appropriate cells in a mass of cultured stem cells may be based on measuring the mechanical properties of those cells. (hindawi.com)
Moreover, evaluation of the mechanical properties of cells improves the understanding of the onset and progression of tissue pathologies. (hindawi.com)
Micropipette aspiration (MA) technique has been widely used to measure the mechanical properties of different cell types [ 1 , 4 - 9 ]. (hindawi.com)
2 ] studied the mechanical properties of CFRP tubes steel tube and aluminum tube filled with aluminum foam and aluminum honeycomb through axial quasi-static tests, results showed that the energy absorption and load capacity increased with the rising of circular radius. (techscience.com)
A hot rolled product is often pickled to remove scale, and further rolled cold to ensure a good surface finish and optimise the mechanical properties for a given application. (doitpoms.ac.uk)
These composites can become quite popular for many applications, as it results in a material with good electrical and mechanical properties. (uminho.pt)
Unless using special heat treatment process, after the material is processed, the mechanical properties of hot rolled steel are relatively low due to annealing or normalization treatment. (jcforging.com)
2) must choose high quality "plastic change" good metal materials, such as riveting screw steel, its chemical composition and mechanical properties have strict standards. (songwei.cn)
The pyroelectric properties are discussed only in terms of effects of external ﬁelds on the pyroelectric The piezoelectric material is the one which possesses property to convert mechanical energy into electric energy and vice versa. (acadiasi.ro)
Due to the less favorable mechanical properties at low temperatures, the test is performed after storing the test objects at -35°C. (phoenixcontact.com)
These cause changes in the mechanical properties in these regions. (universalgrinding.com)
The analyses were complemented by simulations and wind tunnel tests verifying the impact that space rockets may exert on the aerodynamic and mechanical properties of the carrier aircraft. (sd-magazine.eu)
Notably, it has been recently shown that the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is underlined by changes in the mechanical properties of blood cells, including decreased erythrocyte deformability and decreased lymphocyte and neutrophil stiffness as compared to blood cells from SARS-CoV-2-naïve individuals 6 . (jove.com)
Structural ceramics such as alumina are known to have excellent hardness and high temperature mechanical properties. (iisc.ac.in)
The microstructural stability of these composites on high temperature exposure and their mechanical properties at elevated temperature were studied. (iisc.ac.in)

Small strain tensors are used for the cell deformation inside the micropipette. (hindawi.com)
In Part 1, we'll explain mechanical load, the difference between stress and strain, and how they provide us the with ability to take control of our bone health. (saveourbones.com)
Strain is important because bones are mechanosensitive, which means that they can feel the physical deformation caused by strain. (saveourbones.com)
Mechanical loading is composed of stress and strain. (saveourbones.com)
Strain is a measure of physical deformation caused by stress. (saveourbones.com)
The internal strain can be released during subsequent machining, welding, and heat treatment, but deformation will be caused. (jcforging.com)

The deformation of the diaphragm is converted into a mechanical displacement, which is then displayed as the pressure reading. (bcstgroup.com)

Experiments were performed on pure alumina to evaluate the effect of CNTs on the creep deformation of the composites. (iisc.ac.in)

It's a structural deformation of bone material. (saveourbones.com)
Through the use of industry standards, advanced simulation techniques, and reliable mechanical stress detectors, the structural integrity of the crane bridge can be maintained, enhancing the overall performance and safety of overhead cranes in various industries. (kamarkhani.info)

In this experiment, a cell is aspirated into a micropipette by exerting a negative pressure gradient, and the aspiration length of the cell inside the micropipette is recorded as a function of time. (hindawi.com)
Mechanical loading is any physical pressure your bones experience and the impact of that pressure on their structure. (saveourbones.com)
It becomes possible, by measuring the pressure and deformation exerted by the interior of the human body. (uminho.pt)
Esteban, M , Thao, ND, Takagi, H & Shibayama, T 2009, Pressure exerted by a solitary wave on the rubble mound foundation of an armoured caisson breakwater . (elsevierpure.com)

In this context, the processing temperature exerts an important role: in the recent literature, there are some evidences that SPD at very low temperatures can be an effective strategy to increase the accumulation of crystalline defects by suppressing dynamic recovery during deformation. (fapesp.br)
Very limited studies have been carried out on the microstructural stability and the high temperature mechanical behaviour of these composites, which may redress some of the shortcomings related to pure alumina. (iisc.ac.in)

4 ] carried out numerical simulation and experiment on aluminum alloy structure with circular section, results showed that the number of deformation corners increases with the decrease of wall thickness, simulation is consistent with the experimental result. (techscience.com)
They are used for all alloy groups, and are used in preference to hammers for alloys that require slow deformation rates, such as harder aluminum alloys and most of the magnesium alloys. (pressmach.eu)

These detectors should be able to withstand the axial forces generated by the deformation and warping of the crane bridge. (kamarkhani.info)

I believe this technique will help many scientists explore the role that mechanical forces play in morphogenesis and, more generally, in biology. (genengnews.com)
By understanding the forces exerted on the crane bridge, engineers can develop effective solutions for controlling separate crane travel drives. (kamarkhani.info)
These detectors record the mechanical stress generated by the transverse forces resulting from the deformed geometric shape of the crane bridge structure. (kamarkhani.info)
Finally, we demonstrate that collective forces of tumor spheroids reflect the contractility of individual cells for up to 1 hr after seeding, while collective forces on longer timescales are guided by mechanical feedback from the extracellular matrix. (elifesciences.org)
One of the possible methods for measuring the forces and deformations in by using piezoresistive sensors. (uminho.pt)
Recognizing that the applications are fundamentally fluid mechanical in nature, the Webinar then discusses the boundary conditions where these interfacial forces are exerted. (biolinscientific.com)
The spreading of the load will prevent deformation of the part due to the gripping forces being exerted on the part. (gripshape.com)

There are several techniques for applying high levels of deformation in order to reduce drastically the grain size of metals, below 1 micron, and thus improve the mechanical strength. (fapesp.br)

With softer metals such as lead and copper, a succession of cold-rolling passes can impose very large deformations. (doitpoms.ac.uk)
A good process should be able to achieve long-term continuous production, rather than low yield or mold damage caused by the pursuit of high single indicators (such as fewer passes and large deformation per pass). (cnhydz.com)

Forming is a mechanical metal deformation process. (jensenfabrication.com)

The complete integumentary organ system (IOS) regeneration and scarless wound healing mechanism, which occurs in specific species, body sites and developmental stages, clearly shows that mechanical stress signals and immune responses play important roles in determining the wound healing mode. (mdpi.com)

One design solution involves the installation of mechanical stress detectors in the inner corners of the crane bridge. (kamarkhani.info)
The design of the mechanical stress detectors is a crucial aspect of the stress calculation process. (kamarkhani.info)
Based on the conclusions drawn from the laboratory tests, engineers can refine the design of the mechanical stress detectors to ensure their reliability and accuracy. (kamarkhani.info)
By detecting and measuring mechanical stress and deformation, engineers can develop design solutions to mitigate issues such as crane skewing. (kamarkhani.info)
Only 10 of them have polar axis and thus permanent polarization can be observed in the absence of an electric field or mechanical stress, making them pyroelectrics. (acadiasi.ro)
All piezoelectric materials are non-centrosymmetric, meaning that mechanical stress can induce dielectric dipole moments. (acadiasi.ro)

They are commonly classified as mechanical or hydraulic, based on the means used to deliver energy. (pressmach.eu)

It consists of four main components: the mechanical anchor, the measurement module, the extension tubing and the centralizers. (essearth.com)
An installation consists of a number of measurement modules, in series in a borehole, each one being mounted on the length of extension tubing required to span a lower and upper mechanical anchor. (essearth.com)

Rolling is the most widely used deformation process. (doitpoms.ac.uk)
Due to the process of upsetting there is cold hardening, deformation should not be too large. (songwei.cn)
In the process, the air clearances and creepage distances to the live elements on the test object can be shortened due to deformations or fractures. (phoenixcontact.com)

The theoretical basis for the description of intermolecular interactions and their consequences are treated using both quantum chemical calculations and statistical mechanical simulations. (lu.se)

We show that our method is accurate up to strains of 50% and remains valid even for irregularly shaped tissue samples when considering only the deformations in the far field. (elifesciences.org)
2008) developed a method to estimate the deformation of a caisson breakwater subjected to solitary wave attack, this method is known the be greatly influenced by the presence of an armour layer in front on the caisson. (elsevierpure.com)

Fluid interfaces present us with fascinating mechanical responses that control many physical phenomena encountered in liquid processing, human health, and the environment. (biolinscientific.com)

2020). Devices such as controllers and optical or mechanical sensors can be very sensitive to background noise in form of mechanical vibrations and usually require some form of filtration or damping. (copernicus.org)

This approach has gained a central role in the fields of mechanobiology, biomaterials design and tissue engineering, to obtain a proper mechanical characterization of soft materials with a resolution comparable to the size of single cells (μm). (jove.com)

Correctly wired terminals must offer a high degree of mechanical safety. (phoenixcontact.com)

These conditions immediately recognize that two types of interfacial deformations must be considered: constant area shear and dilatation. (biolinscientific.com)

We also collaborate with Pruitt's group in Mechanical Engineering (http://microsystems.stanford.edu) to develop and fabricate novel devices for the study of sensory transduction. (stanford.edu)

The results of the experiments show how the load which is exerted by the caisson onto the foundation depends on the depth of water in front of it, the shape of the armour layer and whether the wave strikes the caisson or the armour layer first. (elsevierpure.com)
Similarly, load and strength tests to which the airframe's load-bearing structures have been subjected also failed to show any significant changes or deformations caused by the space rockets attached. (sd-magazine.eu)

this depends not only on biological factors but also on mechanical factors 16 . (bvsalud.org)

The Journal of Musculoskeletal and Neuronal Interaction recently published a comprehensive review of our current understanding of the mechanical basis of bone strength. (saveourbones.com)
Mechanical strength is improved and porosity is reduced. (doitpoms.ac.uk)

Extension Tubing: The extension tubing is made of individual lengths of flush-coupled tubes bridging the two mechanical anchors of each monitoring section. (essearth.com)

Recent studies have shown that the mechanical factors play an important role in cell metabolism, differentiation, and function [ 1 , 2 ]. (hindawi.com)

Deburring machines are used to remove burrs by mechanical, electrochemical, and thermal methods. (universalgrinding.com)

MS membrane proteins are essential for tissue development, cellular motion, osmotic homeostasis, and sensing external and self-generated mechanical cues like those responsible for touch and proprioception. (stanford.edu)
The focus of the mechanical tests is on product resistance under external mechanical influences. (phoenixcontact.com)

At the University of California, Los Angeles (UCLA), a professor of mechanical and aerospace engineering and his colleagues have achieved promising preliminary results with their novel 3-D upper airway simulation. (sleepreviewmag.com)

However, this model neglects the importance of cell compressibility, which results in different mechanical parameters estimated for the cell. (hindawi.com)

Anatomy40

Organisms7

Diseases12

Chemicals and Drugs24

Analytical, Diagnostic and Therapeutic Techniques and Equipment84

Psychiatry and Psychology3

Phenomena and Processes74

Disciplines and Occupations13

Technology, Industry, Agriculture21

Information Science17

Health Care10

Plastic deformation6

Behavior8

Workpiece2

Microstructure3

Stresses7

Magnitude5

Quantify2

Force14

Tissues5

Nonlinear2

Forgings1

Processes3

Elastic2

Properties16

Strain6

Displacement1

Creep1

Structural2

Pressure4

Temperature2

Aluminum2

Withstand1

Forces7

Reduce1

Passes2

Metal1

Signals1

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Commonly1

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Process3

Calculations1

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Physical1

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Cells1

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Develop1

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Important role1

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