?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "//www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 排列5:金属陶瓷厂家告诉你防弚wL特点 - 无锡贝科牚w属陶h限公?/title> <meta name="keywords" content="排列5," /> <link href="/template/NEST60028/lib/css.css" rel="stylesheet" type="text/css" /> <link href="/template/NEST60028/lib/style.css" rel="stylesheet" type="text/css" /> <link rel="canonical" href="//www.kikboi.com/news/153.html"/> <meta name="robots" content="noarchive"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div class="top_box"> <div class="top"> <div class="top_l">无锡贝科牚w属陶h限公ؓ您免Ҏ?a href="//www.kikboi.com">质合金</a>?a href="/supply/">氧化铝防弚w?/a>?a href="/news/">钨钢与合金哪个好</a>{相关信息发布和最新资讯,敬请xQ?/div> <div class="top_r"> </div> </div> </div> <div class="clearfloat"></div> <div class="logo_box"> <div class="logo"> <div class="logo_l"> <img src="/uploads/logo/20160310100545.png" alt="无锡贝科牚w属陶h限公? width="600" 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江苏省无锡市滨湖埭工业园南区张舍??/p> </dd> </dl> </div> </div> </div> <div class="main_right"> <div class="sitemap"><a href="//www.kikboi.com/" title="ɲտ3ͼ">ɲտ3ͼ</a> > <a href="/news/">新闻信息</a> > 详细内容</div> <div class="content"> <div class="news_xaingxi"><h1>排列5:金属陶瓷厂家告诉你防弚wL特点</h1></div> <div class="news_author"> 来源Q?a href='//www.kikboi.com/news/153.html'>//www.kikboi.com/news/153.html</a>   发布旉Q?019-11-16 </div> <div class="news_content"> <p> <a href="//www.kikboi.com/">ɲտ3ͼ</a> www.kikboi.com <img src="//baqter1.hk68.host.35.com/uploads/cp/20160312085217.jpg" /><br /> 陶瓷和金属的防弹机理有很大的不同Q金属是׃塑性变形而吸收射弹的动能Q而陶h׃其破裂而吸收射弹的动能。通常Q陶瓯甲系l是由单片陶h陶瓷—金属复合物q覆盖有高抗张强度有机纤l结合的龙布层所l成Q玻璃纤l亦可)。在子弹的冲MQ速度>700?00m/sQ,陶瓷正面是被破碎而剩余的能量则被反面软增强(例如龙布层Q材料所吸收。反面材料必能支持住子弹冲d陶瓷材料的碎片和子弹本n?br /> <br /> 防弹陶瓷要求的性能较多Q例如:密度和气孔率、硬度、断裂韧性、杨氏模量、声速、机械强度等QQ何一个性能都不能与整体防弹性能有直接和军_性的关系Q因而断裂机理十分复杂,裂纹形成是由许多因素引v的,而且发生的时间十分短暂。防弚wL气孔率应量低,以提高硬度和杨氏模量Q对Al2O3h_其气孔率应接q于Ӟ而吸水率不超q?.02%。陶L度要求很高Q应高于飞行弹头的硬度,对Al2O3陶瓷来说Q硬度Hv应超q?220?250。声韛_陶瓷中传播的速度Q表C陶瓷冲击面上消耗能量的能力Q希望有高的声速,高的声速也间接表示陶瓷有良好的致密化和低的闭气孔。根据实际经验,Al2O3L声速应大于10000m/sQ最好是10500?1500m/s。陶h两种防弹的类型,卛_片陶L构和陶瓷复合物结构,单片l构陶瓷包括氧化物陶P主要是Al2O3P和非氧化物陶P例如QSiC、Si3N4、AlN和TiB2{)Q以及二元系l(例如QB4CQTiB2基陶P。一般来_非氧化物陶瓷h更高的物理性能和相对低的密度(除TiB2基陶瓷外Q,作ؓ防弹比Al2O3h有利。然而,q些材料刉方法多用hD늚热压Q不易业化。但热压可提高防弚wL机械性能Q这一点也是明昄。陶瓷基复合物具有高的防Ҏ能Q这是因为有高的机械性能Q特别是断裂韧性。在弹冲击之后Q与单片陶瓷相比Q陶瓷基复合物具有较好的完整性。几U复合物陶瓷如下QAl2O3/SiCQwQ,Al2O3/SiCQfQ,Al2O3/CQfQ,TiB2/B4CQpQ,TiB2/SiCQpQ以及金属陶P如牌号ؓLanxideTMQ,其组成ؓ渗Ni/QAlQ之_物,例如QNi/TiC和Al/B4CQpQ,q些材料多数属于热压Q因而hDc虽焉弚w瓷LanxideTM不是热压工艺Q但光要特别的工艺和设备,因而hg比较c?br /> <br /></p> </div> <div class="pagess"> <ul class="zjj"><div class="zjj">上一?<a href="154.html">您不知道的耐磨陶瓷?/a></div> <div class="zjj">下一?<a href="152.html">防弹陶瓷片的性能要求有哪些?</a></div> </ul> </div> <div class="info_key">相关标签Q?/div> </div> <div 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