ZHANG Yanwei, XU Jingde, HU Yang, TIAN Siyu, FENG Ruochen, QIN Hansheng. Experimental study on incentive effect of flexible obstacle on methane-air explosion wave[J]. Explosion And Shock Waves, 2021, 41(5): 055402. doi: 10.11883/bzycj-2020-0144
| Citation:
|
XIE Zhong-you, YU Ji-lin, ZHENG Zhi-jun. Bendingbehaviorofthin-walledcylindricaltubesfilledwithmetallicfoam
underlow-velocityimpac[J]. Explosion And Shock Waves, 2012, 32(2): 169-173. doi: 10.11883/1001-1455(2012)02-0169-05
|
ZHANG Yanwei, XU Jingde, HU Yang, TIAN Siyu, FENG Ruochen, QIN Hansheng. Experimental study on incentive effect of flexible obstacle on methane-air explosion wave[J]. Explosion And Shock Waves, 2021, 41(5): 055402. doi: 10.11883/bzycj-2020-0144
| Citation:
|
XIE Zhong-you, YU Ji-lin, ZHENG Zhi-jun. Bendingbehaviorofthin-walledcylindricaltubesfilledwithmetallicfoam
underlow-velocityimpac[J]. Explosion And Shock Waves, 2012, 32(2): 169-173. doi: 10.11883/1001-1455(2012)02-0169-05
|
Bendingbehaviorofthin-walledcylindricaltubesfilledwithmetallicfoam
underlow-velocityimpac
- 1.
DepartmentofCivilandArchitecturalEngineering,TonglingUniversity,
- 2.
Tongling 244000,Anhui,China;
More Information
- Corresponding author:
XIE Zhong-you
- Publish Date:
2012-03-25
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Abstract
Three-pointdynamicbendingtestsandquasi-statictestswerecarriedout,respectively.And
theexperimentalmethodsandthecorrespondingexperimentalprinciplewereintroducedindetails.In
theexperiments,aluminumalloy6063T6waschosenasthethin-walledtubematerial,thetubeswith
threedifferentthicknessesof1.0,1.5and1.8mmhadanidenticaloutsidediameterof38mm,and
thealuminum-alloyfoam withtwodifferentdensitieswasusedasfillingcores.Theexperimentalresultsdisplaythatunderlow-
velocityimpact,thethinner-walledtubesarepronetotensiledamageat
theloweredgesofthemiddlesections;thatduetotheinertiaeffect,thepunchforcesunderlow-velocityimpactarehigherthanthoseunderquasi-
staticload.Inaddition,thelocalindentationbylowvelocityimpactislargerthanthatbyquasi-
staticload,whichmakesthetensilefailureofthelower
edgeofthestructuredelay.Hence,thebendingstiffnessofthemiddlesectionsunderlow-velocityimpactsignificantlydecreasesandtheultimatedisplacementwhenthestructuresfractureincreases.
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References
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Proportional views
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