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High strain-rate compression tests on ice

WebApr 2, 2007 · The compressive strength of ice was measured at high strain rates of 103s−1 order of magnitude. Since ice compressive strength is known to be strongly dependent on strain rate,... 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 …

High strain-rate behavior of ice under uniaxial …

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 WebJul 8, 2024 · The fracture behavior and stress of ice at high strain rates can be determined by combining the SHPB method with high-speed camera observation. The split Hopkinson … luxform kensington solar powered lights https://inadnubem.com

Impact Testing on the Pristine and Repaired Composite Materials …

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 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 … 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 … luxform christmas lights

High-Strain-Rate Compression Testing of Ice - NASA …

Category:High Strain Rate Compression Testing Veryst Engineering

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High strain-rate compression tests on ice

Measuring the Uniaxial Compressive Strength of Ice

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 … WebNov 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, ...

High strain-rate compression tests on ice

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WebJan 25, 2011 · Abstract A range of mechanical compression tests were conducted on frozen soil samples at temperatures close to the melting point of ice to determine both the creep and the strength properties under triaxial stress conditions. The samples were obtained from two rock glaciers in the Swiss Alps. WebFrom 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" …

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, 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 ... WebNov 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 …

Webture interactions, such as, ice drilling/crushing and high-speed ice impacts, the strain rates in ice are much larger than those con-sidered in the limited experimental studies on ice thus … 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. •.

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.

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. luxform led-solar-fackellampe plymouth grauWebNano 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 … luxform lighting sparesWebTo 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 … luxform firework lanternWebFeb 12, 2011 · Ice strength will increase as strain rate rises up, until brittle failure occurs. Some investigations (Cole, 2001;Dutta, 1993; Jones, 2003) consider ice strength will … luxform lamp post solar lights with planterWebConclusions 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 … jean rispal lightingWebIn 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. luxform global netherlandsWebThe 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. jean riley singer