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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style=";margin-bottom:0;background:white"><span style="font-size:13px;color:#333333">铜锌合金是一种记忆合釐�/span> <span style="font-size:13px;color:#333333">。金黄色的、像金子的颜艱�/span> <span style="font-size:13px;color:#333333">＋�/span> <span style="font-size:13px;color:#333333">俗称黄铜、�/span></p><p style="background:white"><span style="font-size:13px;color:#333333">铜锌记忆合金的成分有数十种之多，通常我们能使用到的铜锌记忆合金主要成分为：铜</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">64%</span><span style="font-size:13px;color:#333333">锋�/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">18%</span><span style="font-size:13px;color:#333333">镌�/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">18%</span><span style="font-size:13px;color:#333333">或者铜锌铝的记忆合金。马氏体转变温度大概�?/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">100</span><span style="font-size:13px;color:#333333">℃左右。密度是</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">6.75g/cm</span><span style="font-size:13px;color:#333333">³、�/span></p><p style="background:white"><span style="font-size:13px;color:#333333">铜锌合金又叫假黄金。铜锌合金是铜金属单质（</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">Cu</span><span style="font-size:13px;color:#333333">）、锌金属单质＇�/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">Zn</span><span style="font-size:13px;color:#333333">）组成的混合物、�/span></p><p style=";margin-bottom:0;background:white"><span style="font-size:13px;color:#333333">特点是密度大，容易充型、导热性能好，氧化倾向因合金成分不同而各异。其中铸造锡青铜的结晶温度范围宽，易产生缩松缺陷，氧化不强烈、�/span></p><p style=";margin-bottom:0;background:white"><span style="font-size:13px;color:#333333">二元铜锌合金称为简单黄铜。随着含锌量的增加，其色泽由金红向黄、金黄、白色逐渐变化、�/span> <span style="font-size:13px;color:#333333">简单黄铛�/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">-</span><span style="font-size:13px;color:#333333">铜锌合金的应�?/span> <span style="font-size:13px;color:#333333">锌和铜能形成α、β、γ、δ、ε、η等六个相。工业上常用的有α黄铜�?/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">(</span><span style="font-size:13px;color:#333333">α＋α�/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">)</span><span style="font-size:13px;color:#333333">黄铜和β黄铜三类，含锌量一般不超过</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">50</span><span style="font-size:13px;color:#333333">％。其�?/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">H62</span><span style="font-size:13px;color:#333333">�?/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">H68</span><span style="font-size:13px;color:#333333">黄铜具有高的塑性和强度，成型性好，应用广泛，可制作各种复杂的冷冲件和深冲件，波导管和冷凝器用管件</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">,</span><span style="font-size:13px;color:#333333">机械和电器用零件、�/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">H70</span><span style="font-size:13px;color:#333333">黄铜也称“炮铜”，主要用于制作弹壳及管材。有残余内应力的黄铜制品</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">,</span><span style="font-size:13px;color:#333333">长期存放于含氨气或二氧化硫等介质�?/span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">,</span><span style="font-size:13px;color:#333333">会产生沿晶或穿晶破裂。此现象称为应力腐蚀破裂或季节裂纹（季裂），可用低温退火消除。含锌量高于</span><span style="font-size:13px;font-family:'Tahoma','sans-serif';color:#333333">20</span><span style="font-size:13px;color:#333333">％的高锌黄铜，易发生脱锌腐蚀，可加入适量的砷、硅、磷、锑等加以抑制、�/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;"> 可制作各种复杂的冷冲件和深冲件，波导管和冷凝器用管件,机械和电器用零件以及弹壳及管材� </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="137877" /> <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）">