Impact Testing of Stainless Steel Materials

Blandford, Robert K.; Morton, D. K.; Rahl, T. E.; Snow, Spencer D.

doi:10.1115/pvp2005-71133

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…The stress in each curve was then increased by 20% to account for the dynamic strengthening that was expected during the drop testing. This was consistent with the 1999 testing and analysis program [1] and is further justified by current data being presented at this conference [5].…”

Section: Drop Testing Conditionssupporting

confidence: 70%

Drop Testing of DOE Spent Nuclear Fuel Canisters

Snow

Morton

Rahl

et al. 2005

Volume 7: Operations, Applications, and Components

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The National Spent Nuclear Fuel Program (NSNFP) at the Idaho National Engineering and Environmental Laboratory (INEEL) prepared four representative Department of Energy (DOE) spent nuclear fuel (SNF) canisters for the purpose of drop testing. The first two canisters represented a modified 24-inch diameter standardized DOE SNF canister and the second two canisters represented the Hanford Multi-Canister Overpack (MCO). The modified canisters and internals were constructed and assembled at the INEEL. The MCO internal weights were fabricated at the INEEL and assembled into two MCOs at Hanford and later shipped to the INEEL for drop test preparation. Drop testing of these four canisters was completed in August 2004 at Sandia National Laboratories. The modified canisters were dropped from 30 feet onto a flat, essentially unyielding surface, with the canisters oriented at 45 degrees and 70 degrees off-vertical at impact. One representative MCO was dropped from 23 feet onto the same flat surface, oriented vertically at impact. The second representative MCO was dropped onto the flat surface from 2 feet oriented at 60 degrees off-vertical. These drop heights and orientations were chosen to meet or exceed the Yucca Mountain repository drop criteria. This paper discusses the comparison of deformations between the actual dropped canisters and those predicted by pre-drop and limited post-drop finite element evaluations performed using ABAQUS/Explicit. Post-drop containment of all four canisters, demonstrated by way of helium leak testing, is also discussed.

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Section: Drop Testing Conditionssupporting

confidence: 70%

Drop Testing of DOE Spent Nuclear Fuel Canisters

Snow

Morton

Rahl

et al. 2005

Volume 7: Operations, Applications, and Components

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“…9 (the peak post-strain being 0.069 m/m and the loading period of the impact being 3.3 ms). Blandford et al [32] have studied the effect of strain rate on the mechanical properties of AISI 304 L stainless steel. They concluded that the yield point increases ≈40-60 % at a strain rate range of 25-50 s −1 when compared to quasistatic test results.…”

Section: Strain-rate Strengthening and Stiffening In Fmlsmentioning

confidence: 99%

The Effects of Debonding on the Low-Velocity Impact Response of Steel-CFRP Fibre Metal Laminates

et al. 2016

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The effect of metal-composite debonding on low-velocity impact response, i.e. on contact force-central deflection response, deformation profiles and strains on the free surfaces was studied. We focused on type 2/1 fibre metal laminate specimens made of stainless steel and carbon fibre epoxy layers, and tested them with drop-weight impact and quasi-static indentation loadings. Local strains were measured with strain gauges and full-field strains with a 3-D digital image correlation method. In addition, finite element simulations were performed and the effects of debonding were studied by exploiting cohesive elements. Our results showed that debonding, either the initial debonding or that formed during the loading, lowers the slope of the contact force-central deflection curve during the force increase. The debonding formation during the rebound phase was shown to amplify the rebound of the impact side, i.e. to lower the ultimate post-impact deflection. The free surface strains were studied on the laminate's lower surface at the area outside the debond damage. In terms of in-plane strains, debonding formation during impact and indentation, as well as the initial debonding, lowered the peripheral strain and resulted in a positive change in the radial strain.

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Impact Testing of Stainless Steel Material at Cold Temperatures

Morton

Blandford

Snow

2008

Volume 7: Operations, Applications and Components

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Stainless steels are used for the construction of numerous spent nuclear fuel or radioactive material containers that may be subjected to high strains and moderate strain rates during accidental drop events. Mechanical characteristics of these base materials and their welds under dynamic loads in the strain rate range of concern are not well documented. However, a previous paper [1] reported on impact testing and analysis results performed at the Idaho National Laboratory using 304/304L and 316/316L stainless steel base material specimens at room and elevated temperatures.The goal of the work presented herein is to add recently completed impact tensile testing results at -20 o

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Impact Testing of Stainless Steel Materials

Cited by 3 publications

References 2 publications

Drop Testing of DOE Spent Nuclear Fuel Canisters

Drop Testing of DOE Spent Nuclear Fuel Canisters

The Effects of Debonding on the Low-Velocity Impact Response of Steel-CFRP Fibre Metal Laminates

Impact Testing of Stainless Steel Material at Cold Temperatures

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