Theoreticalanalysisonshocktemperatureofporousmetal

HE Yuan; HE Yong; ZHANG Xian-feng; QIAO Liang; ZHAO Xiao-ning; PAN Xu-chao

doi:10.11883/1001-1455(2012)02-0143-07

Volume 32 Issue 2

May 2014

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Article Navigation > Explosion And Shock Waves > 2012 > 32(2): 143-149

ZHANG Bao-guo, LIN Ke-ling, TIAN Xin-li, XUE Chun-fang, LI Fu-qiang. NumericalsimulationoftemperaturefieldforAl2O3ceramicsduringmicro-detonationofstrikingarcmachining[J]. Explosion And Shock Waves, 2012, 32(2): 129-135. doi: 10.11883/1001-1455(2012)02-0129-07

Citation:

HE Yuan, HE Yong, ZHANG Xian-feng, QIAO Liang, ZHAO Xiao-ning, PAN Xu-chao. Theoreticalanalysisonshocktemperatureofporousmetal[J]. Explosion And Shock Waves, 2012, 32(2): 143-149. doi: 10.11883/1001-1455(2012)02-0143-07

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Theoreticalanalysisonshocktemperatureofporousmetal

doi: 10.11883/1001-1455(2012)02-0143-07

1.
MinisterialKeyLaboratoryofZNDY,NanjingUniversityofScienceandTechnology,

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NationalNaturalScienceFoundationofChina(10902053)

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Corresponding author: HE Yuan
Publish Date: 2012-03-25

Abstract

Abstract

Basedonthethermodynamicsandthethree-termequationofstate,theshocktemperature ofporousmetalwastheoreticallyanalyzedfortheHugoniotadiabat,stateparametersandisovolumic extrapolationofsolidmaterials.Bycombiningthecalculatedcoldenergy,thecalculatedcoldpressure andtheHugoniotequationsofsolidmetalandporousmetal,anewmethodwaspresentedtocalculate theshocktemperatureofporousmetal.Theporousironwaschosenasanexampletodiscusstheinfluencesoftheseveralphysicalparametersonthecalculatedresultbythepresentedmethod Thecalculationexampleshowsthatthecalculatedshocktemperaturefortheporousironisingoodagreement withtheexistentexperimentaldataandthecorrespondingerrorsarelessthan5percent.Andthe shocktemperatureofporousmetalcanbelittleinfluencedbytheGrneisenparameterandtheelectronicGrneisenparameter, butitcanbeinfluencedevidentlybymaterialcompactness,shockpressureandelectronicspecificheatcoefficient.
- mechanicsofexplosion,
- shocktemperature,
- three-termequationofstate,
- porousmetal,
- Grneisenparameter

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