简介：TwogradesofDyneema~?compositelaminateswiththecommercialdesignationsofHB26andHB50werecutintoblockswithorwithoutanedgecrackandcompressedinthelongitudinalfiberdirection.Thecrackedanduncrackedspecimensshowsimilarcompressiveresponsesincludingfailurepatternandfailureload.ThetwogradesofDyneema~?compositesexhibitsdifferentfailuremodes:adiffuse,sinusoidalbucklingpatternforDyneema~?HB50duetoitsweakmatrixconstituentandakinkbandforDyneema~?HB26duetoitsrelativelystrongermatrixconstituent.AneffectivefiniteelementmodelisusedtosimulatethecollapseofDyneema~?composites,andthesensitivityoflaminatecompressiveresponsestotheoveralleffectiveshearmodulus,interlaminarshearstrength,thicknessandimperfectionangleareinvestigated.Thechangeoffailuremodefromkinkbandtosinusoidalbucklingpatternbydecreasingtheinterlaminarshearstrengthisvalidatedbythefiniteelementanalyses.

简介：为增强军用和民用交通工具抵御如今最猛烈的威胁一包括简易爆炸设施（IEDs）和突击步枪的攻击-帝斯曼迪尼玛纤维公司宣布推出一种全新的硬质防弹复合材料。采用这种最新的DyneemaHB26材料，可以使船只、飞机和陆用汽车获得无与伦比的防护性能，包括具有抗多重攻击能力、阻燃性和耐热性等。此外，新材料的质量还特别轻-能缩短一半的运输时间和提高生产速度。DyneemaHB26已于2006年6月正式推向市场。