constant stress
Novel Accelerating Life Test Method and Its Application by Combining Constant Stress and Progressive Stress
... Constant stress accelerated life tests (ALTs) can be applied to obtain a high estimation accuracy of reliability measure‑ ments, but these are time‑consuming ...Progressive stress ALTs can yield ...
8
Bayesian Approach for Constant-Stress Accelerated Life Testing for Kumaraswamy Weibull Distribution with Censoring
... of stress such as pressure, high temperature, vibration, voltage or load to induce ...model. Constant stress tests are discussed based on Type I and Type II ...low stress, and high ...
22
Constant Stress Partially Accelerated Life Test Design for Inverted Weibull Distribution with Type-I Censoring
... for constant stress PALT in which Ba i & Chung[14] consider constant stress PALT to obtain ma ximu m like lihood estimates of the parameter of the e xponential distribution and the ...
7
Bayesian Approach for Constant-Stress Accelerated Life Testing for Kumaraswamy Weibull Distribution with Censoring
... of stress such as pressure, high temperature, vibration, voltage or load to induce ...model. Constant stress tests are discussed based on Type I and Type II ...low stress, and high ...
22
Comparison between S-N-P Curves Obtained from Constant Stress and Step-Stress Fatigue Tests
... Furthermore, in practically all the engineering applications where fatigue is an important failure mode, the alternate stress range is not constant and changes in some way during lifetime. Such variations ...
11
Constant Stress and Pressure Rheology of Dense Colloidal Suspensions
... SEASD-nf. The CS [Eq. (4.86)] and the BMCSL [Eq. (4.87)] equations of state at the corresponding bidisperse compositions are shown in dashed and dash-dotted lines, respectively. Also shown in Fig. 4.12 are the static ...
390
The influence of loading rate on excess pore pressures in triaxial tests
... 6.48 Results of test 32; drained triaxial compression constant stress rate loading test on overconsolidated Kaolin with base drainage a Deviator stress versus mean effective stress b str[r] ...
385
Subloop Deformation Behavior of TiNi Shape Memory Alloy Subjected to Stress Controlled Loadings
... upper stress plateau due to the ...lower stress plateau due to the reverse ...the constant stress rates, the overshoot and undershoot do not appear and both slops of the stress-strain ...
8
Piezo stimulated currents in marble samples: precursory and concurrent-with-failure signals
... a constant stress rate, from zero stress to fracture and the emitted piezo-stimulated current was ...of stress with re- spect to time is depicted in ...selected constant stress ...
5
WOMEN OF UKRAINIAN ANTI-NAZI UNDERGROUND REFLECTED IN HISTORICAL ANTROPOLOGY
... of constant stress state and direct threat to life and health, the behaviour of underground women was de- termined by adequate survival strategies, ...
10
Elastic brittle plastic behaviour of shale reservoirs and its implications on fracture permeability variation: an analytical approach
... Constants defined in stress and displacement solutions Integration constants for stress solutions Acronym for constant stress condition on both boundaries Acronym for constant stress con[r] ...
34
Time-Dependent Creep Response of Magneto-Electro-Elastic Rotating Disc in Thermal and Humid Environmental Condition
... radial stress, electric potential and magnetic potential are constant during the time at the inner and outer radii of disc which satisfy the constant electro- magneto-mechanical boundary ...radial ...
16
The ΔF/Fm′-guided supply of nitrogen in culture medium facilitates sustainable production of TAG in Nannochloropsis oceanica IMET1
... excessive stress in photoautotrophic oleaginous microalgae, which means that excessive stress could cause inhibition of growth and reduce biomass and overall TAG ...the stress status of the subjected ...
9
Fuzzy System Algorithm on Processing Methods of Rheological Properties of Oil Lubricants
... shear stress –shear rate curves depend on the duration of active ...shear stress for a given shear rate while rheopectic liquids increase in shear stress with time at constant shear ...high ...
6
A method on hydrogen permeation measurement through steel under constant tensile stress
... to stress above the yield strength (YS) of Ni (<250 MPa), the Ni coating film is plastically deformed, thus, the background current density become unstable ...
8
Applications of the Theory of Critical Distances in Failure Analysis
... to stress values at that point which are ...the stress at that particular point, and provided the radius of curvature in the actual weld is less than L, we are allowed to use a zero radius in the model ...
15
Steel Fibres as Reinforcement in Post tensioned Flat Slabs
... A parametric study was performed to find an appropriate tensile stress-strain curve for implementation in the numerical analyses. In the literature a lot of research describes the tensile behaviour of SFRC both ...
10
Analytical Technique for the Determination of Hoop Stress and Radial Stress on the Tooth Spur Gear under Vertical Loading in a Food Packaging Machine
... This thermal investigation (radial and hoop stress) is about a spur gear which form a major rotary component in a food and beverage packaging machine (filler). Gearing is one of the most critical components in ...
10
On Plastic Notch Effects in Quenched and Tempered Steels
... Moreover, three-dimensional elastic-plastic calculations were performed with the same geometry, FE mesh, and elastic constants, and with the following plastic behavior model: Von Mises yielding criterion, associated ...
9
Prediction of Thermal Cracking in Asphalt Pavements Using Simplified Viscoelastic Continuum Damage Theory
... impose stress that is more than 80% of the material strength, (ii) a crack propagation module that analyzes the pavement sections for ±12 hours around the critical event, and (iii) a crack amount module that ...
252