超硬材料堆积密度测定�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="line-height:150%"><span style="font-family: 宋体;color:black">ZKWN</span><span style="font-family: 宋体">-3584</span><span style="font-family:宋体">超硬材料堆积密度测定�?/span></p><p style="line-height:150%"><strong><span style="font-family:宋体;color:#0000CC">�?nbsp; 准：</span></strong></p><p style="line-height:150%"><span style="font-family: 宋体">JB/T3584-1999</span><span style="font-family:宋体">《超硬磨料堆积密度测定方法《�/span></p><p style="line-height:150%"><span style="font-family:宋体">美国国家标准 ANSI B74.17-1976《金刚石磨粒堆积密度的检验方法》、�/span></p><p style="line-height:150%"><strong><span style="font-family:宋体;color:#0000CC">�?nbsp; 途：</span></strong></p><p style="line-height:150%"><span style="font-family:宋体">适用于检测超硬磨�?6/20~325/400的人造金刚石和立方氮化硼的堆积密度测定。，也适用于检测其他类似颗粒状材料的堆积密度。本标准规定了超硬磨料堆积密度测定仪器和测量方法、�/span></p><p style="line-height:150%"><strong><span style="font-family:宋体;color:#0000CC">工作原理９�/span></strong></p><p style="line-height:150%"><span style="font-family:宋体">将待测的超硬材料磨粒装入漏斗，迅速打开橡皮球，磨粒顺着漏斗的下端口自然下落流入到测量筒中，将流入到测量筒中的磨粒刮平，在天平上称取刮平后测量筒中的磨粒质量，再除以测量筒的容积，就可以测出待测磨粒的堆积密度、�/span></p><p style="line-height:150%"><strong><span style="font-family:宋体;color:#0000CC"> </span></strong></p><p style="line-height:150%"><strong><span style="font-family:宋体;color:#0000CC">测试步骤９�/span></strong></p><p style="line-height:150%"><span style="font-family: 宋体">1. </span><span style="font-family:宋体">将待测样品按标准规定的方法取样，缩分�?5±0.1g，装入体积约�?0cm3的镍坩埚中，�?10±50C的烘箱中烘干1小时、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">.2. </span><span style="font-family:宋体">从烘箱中取出待测样品并置于干燥器中冷却至室温，保存至�?小时，使其适应实验室的气氛并消除静电、�/span></p><p style="line-height:150%"><span style="font-family:宋体">测试过程</span></p><p style="line-height:150%"><span style="font-family: 宋体">1. </span><span style="font-family:宋体">将仪器的漏斗仔细清扫干净，关闭出料口的橡皮球阀，并将测量筒和集料盘清扫干净，放于定位销上、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">2. </span><span style="font-family:宋体">将制备好的试样倒入玻璃加料器中。加料时先沿漏斗壁，然后移至中心部位，在加料器不离开料堆的情况下，缓缓地流入漏斗中，使其从中心向四周均匀散开，自然堆积成锥形、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">3. </span><span style="font-family:宋体">迅速打开橡皮阀，使试样自由下落，充满测量筒。用左手轻轻地扶着测量筒，右手立即用刮料板的棱紧贴测量筒口边缘，以5~100的角度将多余试样刮去。刮料时，操作自始自终要细心，避免振动、冲击或其它干扰因素。然后轻轻敲击测量筒壁，以减少试样体积，用“毛笔”清除测量筒外侧及底部的散落颗粒、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">4. </span><span style="font-family:宋体">在天平上称量测量筒中试样的质量M1，精确到0.001g、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">5. </span><span style="font-family:宋体">重复5.3.1�?.3.4规定的操作过�?次，获得测量结果M2、M3、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">6. </span><span style="font-family:宋体">计算三次测量结果的算术平均值M、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">7. </span><span style="font-family:宋体">被测样品的堆积密度按下式计算� D=M/V</span></p><p style="line-height:150%"><span style="font-family:宋体">式中：D —被测样品的堆积密度，单位：g/cm3：�/span></p><p style="line-height:150%"><span style="font-family: 宋体">M</span><span style="font-family:宋体">—测量筒中试样的质量的算术平均值，单位：g：�/span></p><p style="line-height:150%"><span style="font-family: 宋体">V </span><span style="font-family:宋体">—测量筒容积，单位：cm3、�/span></p><p style="line-height:150%"><span style="font-family: 宋体">. </span><span style="font-family:宋体">允许偏差:对于16/20~325/400粒度的试样，三次测定的堆积密度�?*值与*小值之差不应大�?.015g/cm3、�/span></p><p style="line-height:150%"><span style="font-family: 宋体"> </span></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 适用于检测超硬磨�?6/20~325/400的人造金刚石和立方氮化硼的堆积密度测定。，也适用于检测其他类似颗粒状材料的堆积密度。本标准规定了超硬磨料堆积密度测定仪器和测量方法� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="186088" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">