High strain-rate compression tests on ice

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WebMar 15, 2009 · Schulson (2001) has shown a dramatic increase in the compressive failure stress of polycrystalline ice – from 0.5 MPa at a strain rate of 10 −8 s −1 to 10 MPa at a … WebApr 12, 2024 · Materials for aerostructures require vigorous testing to ensure they can withstand the range of conditions an aircraft is exposed to. With areas such as static bending and free vibration response of materials for this application, including composite panels, having been widely investigated [1,2,3,4,5].A specific area of interest is the impact …

Uniaxial and Plane-Strain Compressive Strength of Model Ice

WebConclusions The fracture behavior and stress of ice at high strain rates can be determined by combining the SHPB method with high-speed camera observation. Keywords Ice · split … WebJan 1, 2005 · The SHPB was adopted to perform elevated strain-rate tests at temperatures as low as -30 o C. Experimental results showed that the strength of ice increases with … shared shortcode

Triaxial Compression Testing of Ice - American Society of Civil …

WebIn addition to simple compression testing, testing standards such as ASTM C39, ASTM C109, ASTM C469, ASTM C1609 are among the test methods that can be followed to measure the mechanical properties of concrete. WebThe SHPB was adopted to perform elevated strain-rate tests at temperatures as low as -30oC. Experimental results showed that the strength of ice increases with increasing the strain rate. WebDec 1, 2006 · Schulson (2001) (see Fig. 2) shows a dramatic increase for polycrystal ice in the compressive failure stress from 0.5 MPa at a strain rate of 10 −8 s −1 to 10 MPa at a strain rate of 10 −3 s −1 then a decline to 6 MPa at 10 −1 s −1 (with considerable scatter in the data). Download : Download full-size image Fig. 1. shared shore excursions from katakolon

High-Strain-Rate Compression Testing of Ice …

Impact Compression Test of Ice by Combining SHPB Method and High …

WebUniaxial compression tests on cylindrical polycrystalline ice specimens were made to determine the characteristics of the platens. For 21 specimens with ends prepared on a lapping plate to obtain a mirror finish, the measured strength showed a variation of only 13% for length-to-diameter ratios from 0.74 to 2.5, with no systematic trend. WebTo study the variation of rock burst proneness according to different strain rates, four strain rates (0.005, 0.01, 0.5, and 1.0 s −1) were considered based on the typical range of strain rate ε e associated with rock burst (Wasantha et al., 2015).The specific test plan is listed in Table 1.Moreover, to avoid the heterogeneity of the rock material (especially the layered … shared shopping list iphoneWebNov 25, 2024 · Inconel 718 is a well-known nickel-based superalloy used for high-temperature applications. The aim of the present study was to formulate a constitutive … shared shortcut

"WebVeryst can test the tensile and compressive behavior of a wide variety of polymeric materials over strain rates ranging from 10-3 – 10 4 /s combining traditional test … " - High strain-rate compression tests on ice

High strain-rate compression tests on ice

Dynamic strength of distill water and lake water ice at high strain rates

WebSep 1, 2004 · High strain rate compression tests were conducted with columnar ice grown in the laboratory. In addition to measuring stress and strain to failure at 2 strain rates, we … WebJun 17, 2024 · Additionally, in some high strain rate studies on fiber-reinforced normal and high-strength concrete samples that had compressive strength values of 35–110 MPa, strain rates in the range of 10 to -700 s −1 were measured by using SHPB test setups [12,13,14,15,16,17]. In these experimental studies, the specimens having radii varying in …

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WebMar 1, 2009 · In the present study, a modified split Hopkinson pressure bar (SHPB) is employed to investigate the dynamic response of ice under uniaxial compression in the range of strain rates from 60... WebJan 20, 2024 · This type of tester has been used by Timco (1980) to document the compressive strength under a high loading rate of both carbamide-and saline-doped model ice over a limited range of scale factors, and by Nakajima and others (1981) in …

Web2.2. High Strain Rate Testing with the Split Hopkinson Pressure Bar. The Split Hopkinson Pressure Bar setup (Freiburg, Germany) used in the tests is schematically illustrated by … WebHigh strain rate out-of-plane compression of birch plywood from ambient to cryogenic temperatures. L. Caetano, L. Caetano. Université de Bretagne Sud, Lorient F-56100, …

WebFeb 1, 2015 · A modified split Hopkinson bar is developed for sub-zero temperature testing. •. Dynamic strength of lake water ice and distilled water ice is measured. •. States of stress include uniaxial compression and combined compression and shear. •. Peak strength of ice is rate sensitive over the strain rate range 100–600/s. •. WebProcedures have been refined for performing constant-strain-rate triaxial tests on ice samples. The equipment is designed such that the confining pressure/axial stress ratio remains constant. Sample axial displacements are measured inside the cell on the sample and outside the cell between the cell and the loading piston.

Webthe axial strain at the peak stress when testing at low strain rates. Confined Compression Tests Low Confining Pressures (03 = 0 to 0.35 MPa) A specially designed double-walled triaxial cell was constructed to carry out tests under low confining pressures. A volume measurement device developed by Mitchell and Burn (1971) was modified to measure

WebNov 8, 2024 · 2.4 Triaxial Compression Testing. Strain-controlled drained triaxial compression tests were performed after individual hold periods (supporting information Table S1). The tests were carried out at axial strain rates 0.006, 0.06 and 0.6%/min, and at constant minor principal stresses of 0.25, 0.5, and 1.0 MPa. shared short code serviceWebJan 1, 2006 · The SHPB was adapted to perform tests at high strain rates in the range 60 to 1400/s at test temperatures of -10 and -30 C. Experimental results showed that the … pool weasel vacuum cleanerWebHigh strain rate out-of-plane compression of birch plywood from ambient to cryogenic temperatures. L. Caetano, L. Caetano. Université de Bretagne Sud, Lorient F-56100, France. ... An extensive series of compression tests with birch plywood specimens is conducted in the out-of-plane direction. Various experimental conditions are tested with ... poolweb coupon codeWebFrom National Research Council Canada. High-speed uniaxial compression tests were conducted in the strain-rate range 10-1-101 s-1, at -11 C, on freshwater ice and "Baltic" … pool weatherWebNano size pillars (<500 nm) show near universal scaling exponent of 1.50 ± 0.07 at all applied strain rates. The strain hardening rate and deformation … shared short code smsWebNov 4, 2024 · The SHPB test was used to characterize the injection- and compression-molded parts' high-strain rate mechanical properties. The experimental setup consists of three aluminum bars, namely the striker, ... The tests were carried with compression rates of 2.54, 127, and 254 mm/s, which correspond to strain rates of 0.01, 0.7, ... pool weather forecastWebApr 1, 2007 · The compressive strength of ice was measured at high strain rates of 103 s−1 order of magnitude. Since ice compressive strength is known to be strongly dependent on strain rate, properties corresponding to high strain rates are needed for engineering predictions of the behavior of ice under dynamic crushing scenarios. The split Hopkinson … shared shower between two bathrooms