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火炸药学报 2015
UseofAShatterTestVesseltoAssessPropellantSafetyDOI: 10.14077/j.issn.1007-7812.2015.05.002, PP. 10-12 Keywords: ？,closedvessel,shattertest,propellantsafety Abstract: Atlowtemperatures,gunpropellantgrainsmaybecomebrittleandthiscanleadtofractureorshatterofthegrainsduringgunfiring.Shouldthiseventoccurthenitwillresultinanincreaseintheburningsurfaceofthepropellantandwillgiverisetoachangeinballisticperformance.Also,iftheresultantoverpressureissufficient,abreechfailuremayresult.Understandingthepropensityofagraintofractureorshatteristhereforeimportantindeterminingitssafetyinuse.Thisdocumentdescribesatestthatmaybeusedtoderiveknowledgeandtoquantifythephysicalbehaviourofagunpropellantgrainatthelowtemperaturesatwhichfractureorshatterismostlikelytooccur.
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