?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "//www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> qqɳξװ:钨钢合金发生q的原因是什么? - 无锡贝科牚w属陶h限公?/title> <meta name="keywords" content="qqɳξװ," /> <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.xyarm.icu/news/116.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.xyarm.icu">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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style="font-size:16px;">(1)钨钢钎焊表面不经砂处理或焊接前打。钎焊表面的氧化层降低了焊料的润湿效应,削弱了焊~的_结强度?/span> </p> <span style="font-size:16px;">(2)焊剂选择和用不当的拆焊也发生,例如用硼砂作为焊剂,׃生硼砂中含有较多的水不能有效的脱氧效果,焊料不能焊表面Q良好的润湿和拆焊发生?/span><br /> <span style="font-size:16px;">(3)合适的钎焊温度应高于熔炚w料是最合适当30 ~ 50?温度q高或过低会发生q。过热会D焊缝氧化。用锌焊料使焊~变蓝或变白。当钎焊温度q低Ӟ焊缝较厚Q焊~处充满气孔和熔渣。以上两U情况可D焊缝强度降低Q当削或用时Q容易脱焊?/span><br /> <span style="font-size:16px;">在钎焊过E中Q不能及时排出炉渣或炉渣Q大量的焊料渣留在焊缝中,从而降低焊~强度,D焊接?/span><br /></p> </div> <div class="pagess"> <ul class="onwlo"><div class="onwlo">上一?<a href="117.html">防弹陶瓷片能做防弹?/a></div> <div class="onwlo">下一?<a href="115.html">防弹陶瓷片有哪些性能要求</a></div> </ul> </div> <div class="info_key">相关标签Q?a href='/key.aspx?k=%ce%d9%b8%d6%ba%cf%bd%f0'>钨钢合金</a>,<a href='/key.aspx?k=%ce%d9%b8%d6%ba%cf%bd%f0%b3%a7%bc%d2'>钨钢合金厂家</a>,<a href='/key.aspx?k=%ce%d9%b8%d6%ba%cf%bd%f0%c4%a3%be%df'>钨钢合金模具</a>,</div> </div> <div class="clear"></div> <div class="cateslist"> <dl> <dt>相关产品</dt> <dd> <div class="img"> <a href="/supply/52.html" title="钨钢合金" 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