Articles with "drop weight" as a keyword



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Analytical and numerical studies on impact force profile of RC beam under drop weight impact

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Published in 2021 at "International Journal of Impact Engineering"

DOI: 10.1016/j.ijimpeng.2020.103743

Abstract: Abstract Impact force and structural response of reinforced concrete (RC) beams under drop weight impact have been intensively studied and reported in the literature. The prediction of the peak impact force has been well investigated… read more here.

Keywords: impact; drop weight; weight impact; impact force ... See more keywords

Design and evaluation of a novel instrumented drop-weight rig for controlled impact testing of polymer composites

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Published in 2018 at "Polymer Testing"

DOI: 10.1016/j.polymertesting.2018.04.022

Abstract: A drop-weight rig (DWR) intended to test the true impact response of laminated compositematerials is presented. The test setup is designed to prevent the transfer of unwanted mechanical noise, e.g. ... read more here.

Keywords: impact; polymer; drop weight; weight rig ... See more keywords
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Evaluation of the capturing of dry fine particles between grinding media by drop-weight tests

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Published in 2020 at "Powder Technology"

DOI: 10.1016/j.powtec.2020.01.012

Abstract: Abstract The micro-processes inside comminution machines are decisive for the grinding result and the overall process efficiency. Especially the estimation of the amount of particles which is captured and stressed between colliding grinding media is… read more here.

Keywords: dry fine; drop weight; evaluation capturing; grinding media ... See more keywords

Chemical Descriptors for a Large-Scale Study on Drop-Weight Impact Sensitivity of High Explosives

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Published in 2023 at "Journal of Chemical Information and Modeling"

DOI: 10.1021/acs.jcim.2c01154

Abstract: The drop-weight impact test is an experiment that has been used for nearly 80 years to evaluate handling sensitivity of high explosives. Although the results of this test are known to have large statistical uncertainties,… read more here.

Keywords: sensitivity; drop weight; handling sensitivity; weight impact ... See more keywords

A method for evaluating safety reliability of descend/ascend drop-weight system and mission abort decision for deep-ocean scientific human submersibles

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-70158-3

Abstract: Descend and ascend of deep-water human-occupied submersibles based on buoyancy changes are enabled using a denomination of dispensable drop-weights, and loss of buoyancy are managed using emergency drop-weights and jettisoning identified systems. Failing to release… read more here.

Keywords: deep ocean; drop; drop weight; descend ascend ... See more keywords

Effects on microhardness, tensile strength, deflection, and drop weight impact resistance with the addition of hybrid filler materials for enhancing GFRP composites

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-76094-6

Abstract: The work evaluated the usage of various filler materials, namely aluminium oxide (Al2O3), magnesium (Mg), and glass powder, in the bidirectional glass fibre reinforced polymer (GFRP) composites. The required samples were fabricated using the hand… read more here.

Keywords: microhardness tensile; drop weight; tensile strength; filler ... See more keywords

Development of electromagnetic drop weight release mechanism for human occupied vehicle

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-87816-9

Abstract: In a human-occupied vehicle (HOV), the drop weight mechanism is used to adjust the ascent/descent motion. In this paper, a new innovation has been developed through the effective integration of a permanent magnet and an… read more here.

Keywords: electromagnetic drop; drop; drop weight; human occupied ... See more keywords

Investigation of behavior of GFRP composites under marine conditions using drop weight impact test

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Published in 2017 at "Integrated Ferroelectrics"

DOI: 10.1080/10584587.2017.1370285

Abstract: ABSTRACT This paper presents experimental investigation on E-Glass Epoxy laminated composites subjected to drop weight impact test as per ASTM-D7136M in marine environment. Glass Epoxy specimens with three different orientations were fabricated using compression moulding.… read more here.

Keywords: drop weight; weight impact; investigation; impact test ... See more keywords

Drop-weight impact testing for the study of energy absorption in automobile crash boxes made of composite material

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Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications"

DOI: 10.1177/1464420720952813

Abstract: There is an ever-increasing demand in the automotive sector to continuously improve the performance and reduce cost through weight reduction in the structure of the vehicle. In the present scenario, it is also necessary to… read more here.

Keywords: absorption; crash; energy; drop weight ... See more keywords
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The influence of kenaf contents and stacking sequence on drop-weight impact properties of hybrid laminated composites reinforced polyvinyl butyral composites

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Published in 2020 at "Journal of Industrial Textiles"

DOI: 10.1177/1528083720937388

Abstract: For the high cost of aramid fibres and the necessity for finding alternatives which are environmentally friendly, a portion of aramid was substituted by woven kenaf at various sequences and thickne... read more here.

Keywords: influence kenaf; sequence drop; kenaf contents; contents stacking ... See more keywords

Drop Weight Impact Test on Prepacked Aggregate Fibrous Concrete—An Experimental Study

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Published in 2022 at "Materials"

DOI: 10.3390/ma15093096

Abstract: In recent years, prepacked aggregate fibrous concrete (PAFC) is a new composite that has earned immense popularity and attracted researchers globally. The preparation procedure consists of two steps: the coarse aggregate is initially piled into… read more here.

Keywords: drop weight; test; prepacked aggregate; fibrous concrete ... See more keywords