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searching for Flow stress 36 found (46 total)

Viscoplasticity (6,919 words) [view diff] exact match in snippet view article find links to article

among the five flow stress models. The Johnson–Cook (JC) model is purely empirical and gives the following relation for the flow stress ( σ y {\displaystyle

Geometric dynamic recrystallization (289 words) [view diff] exact match in snippet view article find links to article

Al-Mg-Mn alloys) without any change in flow stress. This is in contrast to discontinuous mechanisms where the flow stress normally decreases by ~25% as the

Lüders band (637 words) [view diff] exact match in snippet view article find links to article

formation of a Lüders band is preceded by a yield point and a drop in the flow stress. Then the band appears as a localized event of a single band between

Dynamic recrystallization (1,953 words) [view diff] exact match in snippet view article find links to article

dynamic recrystallization can be recognized by a distinct peak in the flow stress in hot working data, due to the softening effect of recrystallization

Plasticity (physics) (3,523 words) [view diff] exact match in snippet view article

crystal flow stress, τflow ~ρ½, but is also inversely proportional to the square root of average grain diameter (τflow ~d-½ ). Therefore, the flow stress of

Shear modulus (1,559 words) [view diff] exact match in snippet view article find links to article

used in conjunction with the Mechanical Threshold Stress (MTS) plastic flow stress model. the Steinberg-Cochran-Guinan (SCG) shear modulus model developed

Fastran (951 words) [view diff] exact match in snippet view article find links to article

plasticity is given by the flow stress whose value typically lies mid-way between the yield and ultimate stresses. The flow stress scaling parameter α {\displaystyle

Thomson River (Victoria) (893 words) [view diff] case mismatch in snippet view article

"Thomson River Environmental Flow Requirements and Options to Manage Flow Stress" (PDF). Archived from the original (PDF) on 1 March 2011. Retrieved 8

Dynamic strain aging (1,252 words) [view diff] exact match in snippet view article find links to article

Dynamic strain aging also causes a plateau in the strength, a peak in flow stress a peak in work hardening, a peak in the Hall–Petch constant, and minimum

Toughening (3,054 words) [view diff] exact match in snippet view article find links to article

the stress state, σ y f {\displaystyle \sigma _{yf}} is the tensile flow stress at fracture, ϵ f r {\displaystyle \epsilon _{fr}} is the tensile fracture

Womersley number (1,017 words) [view diff] no match in snippet view article find links to article

PMC 1365740. PMID 14368548. Fung, Y. C. (1990). Biomechanics – Motion, flow, stress and growth. New York (USA): Springer-Verlag. p. 569. ISBN 978-0-387-97124-7

Deformation (engineering) (3,097 words) [view diff] exact match in snippet view article

_{T}}})^{m}} Where K ′ {\displaystyle K'} is constant related to the material flow stress. ε T ˙ {\displaystyle {\dot {\varepsilon _{T}}}} indicates the derivative

Microfabrication (2,106 words) [view diff] exact match in snippet view article find links to article

grains have lesser constraints compared to internal grains. The change of flow stress with part geometry size is partly attributed to the change of volume

Laminar–turbulent transition (1,607 words) [view diff] no match in snippet view article find links to article

turbulent flow transition. Fung, Y. C. (1990). Biomechanics – Motion, flow, stress and growth. New York (USA): Springer-Verlag. p. 569. Morkovin M. V.,

Ulrich F. Kocks (1,435 words) [view diff] case mismatch in snippet view article find links to article

resulted in publication of his seminal paper on “Statistical Theory of Flow Stress and Work Hardening" in the Philosophical Magazine. With Bruce Chalmers

Dislocation creep (3,262 words) [view diff] exact match in snippet view article find links to article

limited strain-rate conditions. If the strain rate is high enough, the flow stress is greater than the breakaway stress, and the dislocation continues to

Cardiac stress test (3,452 words) [view diff] no match in snippet view article find links to article

stress tests more accurately identify regional areas of reduced blood flow. Stress and potential cardiac damage from exercise during the test is a problem

Stress (mechanics) (5,563 words) [view diff] no match in snippet view article

differential formula for friction forces (shear stress) in parallel laminar flow. Stress is defined as the force across a small boundary per unit area of that

Jan Tullis (2,060 words) [view diff] exact match in snippet view article find links to article

Tullis (2005) Effect of water on the dislocation creep microstructure and flow stress of quartz and implications for the recrystallized grain size piezometer:

Tim Foecke (1,588 words) [view diff] exact match in snippet view article find links to article

dislocations on toughening in crystals and measured the effect of lattice flow stress on the critical stress intensity for dislocation emission from a Mode

Doris M. Curtis Outstanding Woman in Science Award (429 words) [view diff] exact match in snippet view article find links to article

catchments. 2013 Whitney M. Behr University of Texas at Austin Measurement of flow stress in ductilely deformed rocks in the crust in south-eastern California

Ramberg–Osgood relationship (952 words) [view diff] exact match in snippet view article find links to article

002\left({\frac {\sigma }{\sigma _{y}}}\right)^{n}} Viscoplasticity#Johnson–Cook flow stress model Ramberg, W., & Osgood, W. R. (1943). Description of stress–strain

Adiabatic shear band (1,158 words) [view diff] exact match in snippet view article find links to article

shear bands readily form and propagate along the Ni-Fe matrix phase. The flow stress of the matrix is much lower than that of tungsten, so texturing of the

Creep (deformation) (8,845 words) [view diff] exact match in snippet view article

At low temperatures, the solute atoms are immobile and increase the flow stress required to move dislocations. However, at higher temperatures, the solute

Crystallization of polymers (3,306 words) [view diff] exact match in snippet view article find links to article

that demonstrates strengthening due to the molecular reorientation. The flow stress now increases significantly following neck propagation. Mechanical anisotropy

Digital image correlation and tracking (2,345 words) [view diff] case mismatch in snippet view article find links to article

has been focused on creating standardizations for DIC users. Optical flow Stress Strain Displacement vector Particle Image Velocimetry Digital Image Correlation

Eustress (2,999 words) [view diff] no match in snippet view article find links to article

chances of experiencing eustress and, through eustress, experiencing flow. Stress is also influenced by hereditary predispositions and expectations of

Precipitation hardening (5,467 words) [view diff] exact match in snippet view article find links to article

γ s {\displaystyle F_{max}=\pi r\gamma _{s}\,\!} , the corresponding flow stress should be Δ τ = F m a x / b L = π r γ s / b L {\displaystyle \Delta \tau

Zirconium alloys (4,745 words) [view diff] exact match in snippet view article find links to article

planes than basal planes. They conclude that the rate sensitivity of the flow stress is consistent with Peierls forces inhibiting dislocation motion in low-symmetry

Friction stir welding (6,750 words) [view diff] exact match in snippet view article find links to article

so high that the material ahead of the tool will be too cold, and the flow stress too high, to permit adequate material movement, resulting in flaws or

Folliculin (5,618 words) [view diff] exact match in snippet view article find links to article

phosphorylates and activates AMPK, a negative regulator of mTOR activation. Flow stress was able to suppress mTOR signaling in FLCN-expressing human kidney cells

Pulsatile flow (2,839 words) [view diff] no match in snippet view article find links to article

Fluid Mechanics: Lecture 14 Fung, Y. C. (1990). Biomechanics – Motion, flow, stress and growth. New York (USA): Springer-Verlag. p. 569. ISBN 9780387971247

Yield strength anomaly (1,901 words) [view diff] exact match in snippet view article find links to article

G.; Johnston, T. L. (1970-01-01). "The temperature dependence of the flow stress of the γ′ phase based upon Ni3Al". Metallurgical Transactions. 1 (1):

Crack growth equation (4,676 words) [view diff] exact match in snippet view article find links to article

\over {2\sigma _{0}E'}}} where σ 0 {\displaystyle \sigma _{0}} is the flow stress, E ′ {\displaystyle E'} is the Young's modulus and β {\displaystyle \beta

Biaxial tensile testing (4,993 words) [view diff] exact match in snippet view article find links to article

then bulges and expands into a cavity with increasing pressure. The flow stress is calculated from the dome height of the bulging blank and the pressure

Terence G. Langdon (1,631 words) [view diff] exact match in snippet view article find links to article

superplasticity and a generalized approach to the effect of grain size on flow stress". Progress in Materials Science. 137: 101131. doi:10.1016/j.pmatsci.2023