详细说明
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<p style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\">江苏</span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\">TUV<font face=\"宋体\">信拓</font></span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\">金属材料试验室部门</span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\">,<font face=\"宋体\">报告专业权威，国际认可</font></span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\"><o:p></o:p></span></p>
<p style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">测定材料在剪切力作用下的抗力性能，是</span><span><span style=\"font-size: 10.5pt; background: rgb(255,255,255); color: rgb(19,110,194); font-family: \'Arial\'; letter-spacing: 0.4pt; text-decoration: underline; mso-spacerun: \'yes\'; mso-shading: rgb(255,255,255)\">材料机械性能试验</span></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">的基本试验方法之一。主要用于试验承受剪切载荷的零件和材料，如锅炉和桥梁上的</span><span style=\"font-size: 10.5pt; color: rgb(255,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">铆钉、机器上的销钉</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">等。剪切试验在万能试验机上进行，试样置于剪切夹具上，加载形式有单剪和双剪两种， 试样在剪切载荷<font face=\"Times New Roman\">P</font><font face=\"宋体\">作用下被切断。单剪时，</font><font face=\"Times New Roman\">P</font><font face=\"宋体\">除以试样截面积</font><font face=\"Times New Roman\">A</font><font face=\"宋体\">，可得出剪切强度</font><font face=\"Times New Roman\">τb</font><font face=\"宋体\">，</font><font face=\"Times New Roman\">τb=P/A</font><font face=\"宋体\">；双剪加载时</font><font face=\"Times New Roman\">τb=P/2A</font><font face=\"宋体\">。 </font></span><span style=\"font-weight: bold; font-size: 13.5pt; background: rgb(255,255,255); font-family: \'Arial\'; letter-spacing: 0.4pt; mso-spacerun: \'yes\'; mso-shading: rgb(255,255,255)\"><o:p></o:p></span></p>
<p style=\"margin-top: 0pt; margin-bottom: 0pt; text-indent: 21pt\"><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">构件在剪切时受力和变形特点是<font face=\"Times New Roman\">:</font><font face=\"宋体\">作用在构件两侧面上的横向外力的合力大小相等、方向相反、作用线相隔很近</font><font face=\"Times New Roman\">,</font><font face=\"宋体\">度使各自作用的构件部分沿着与合力作用线平行的受剪面发生错动。剪切试验就是经测定最大错动力和相应的应力</font><font face=\"Times New Roman\">.</font><font face=\"宋体\">构件有一个受剪面</font><font face=\"Times New Roman\">,</font><font face=\"宋体\">一般称为单剪试验。有两个受剪面称为双剪试验。 为使试验结果尽可能接近实际情况，剪切试验通常用各种剪切试验装置和相应的试验方法来模拟实标工件的工况条件</font><font face=\"Times New Roman\">,</font><font face=\"宋体\">对试样施加剪力直至断裂</font><font face=\"Times New Roman\">,</font><font face=\"宋体\">以测定其抗剪强度</font><font face=\"Times New Roman\">.</font><font face=\"宋体\">常见的试验方法有</font><font face=\"Times New Roman\">:</font><font face=\"宋体\">单剪试验、双剪试验、冲孔剪切试验、开缝剪切试验留底铆钉剪切试验和复合钢材剪切试验</font></span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\">。</span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\"><o:p></o:p></span></p>
<p style=\"margin-top: 0pt; margin-bottom: 0pt; text-align: justify\"><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\">剪切测试一般可以做板材或者紧固件类的测试，正常紧固件做的比较多。紧固件还可以做如下测试：</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"> 一、</span><span><span style=\"font-size: 10.5pt; color: rgb(0,0,255); font-family: \'Times New Roman\'; text-decoration: underline; mso-spacerun: \'yes\'\">螺栓、螺柱和螺钉</span></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、拉伸试验 </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、</font></span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(153,255,153); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(153,255,153)\">保证载荷</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">（最少<font face=\"Times New Roman\">3</font><font face=\"宋体\">个） </font><font face=\"Times New Roman\">3</font><font face=\"宋体\">、楔负载试验 </font><font face=\"Times New Roman\">4</font><font face=\"宋体\">、硬度（</font><font face=\"Times New Roman\">HV/HB/HR</font><font face=\"宋体\">） </font><font face=\"Times New Roman\">5</font><font face=\"宋体\">、脱碳层</font></span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"> 6<font face=\"宋体\">、冲击试验 </font><font face=\"Times New Roman\">7</font><font face=\"宋体\">、头部坚固性试验 </font><font face=\"Times New Roman\">8</font><font face=\"宋体\">、再回火试验 </font><font face=\"Times New Roman\">9</font><font face=\"宋体\">、尺寸测量 </font><font face=\"Times New Roman\">10</font><font face=\"宋体\">、道止观 </font><font face=\"Times New Roman\">11</font><font face=\"宋体\">、扭矩试验 </font><font face=\"Times New Roman\">12</font><font face=\"宋体\">、表面缺陷检测</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">二、螺母</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、</font></span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(153,255,153); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(153,255,153)\">保证载荷</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">（最少<font face=\"Times New Roman\">3</font><font face=\"宋体\">个） </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、硬度（</font><font face=\"Times New Roman\">HV/HB/HR</font><font face=\"宋体\">）三点 </font><font face=\"Times New Roman\">3</font><font face=\"宋体\">、再回火试验 </font><font face=\"Times New Roman\">4</font><font face=\"宋体\">、扩孔试验 </font><font face=\"Times New Roman\">5</font><font face=\"宋体\">、表面缺陷检测</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">三、紧定螺钉</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、硬度（</font><font face=\"Times New Roman\">HV</font><font face=\"宋体\">）（一个螺纹直径处） </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、表面硬度</font><font face=\"Times New Roman\">HV0.3 3</font><font face=\"宋体\">、保证扭矩 </font><font face=\"Times New Roman\">4</font><font face=\"宋体\">、脱碳层</font></span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">四、自攻钉<font face=\"Times New Roman\">/</font><font face=\"宋体\">自钻自攻钉</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、硬度（</font><font face=\"Times New Roman\">HV</font><font face=\"宋体\">）（一个螺纹直径处） </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、表面硬度</font><font face=\"Times New Roman\">HV0.3 3</font><font face=\"宋体\">、渗碳层深度 </font><font face=\"Times New Roman\">4</font><font face=\"宋体\">、显微组织试验 </font><font face=\"Times New Roman\">5</font><font face=\"宋体\">、抗氢脆 </font><font face=\"Times New Roman\">6</font><font face=\"宋体\">、拧入性试验 </font><font face=\"Times New Roman\">7</font><font face=\"宋体\">、钻孔性能试验 </font><font face=\"Times New Roman\">8</font><font face=\"宋体\">、破坏扭矩试验 </font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">五、自挤螺钉</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、芯部硬度</font><font face=\"Times New Roman\">HV10</font><font face=\"宋体\">和表面硬度</font><font face=\"Times New Roman\">HV0.3 2</font><font face=\"宋体\">、抗氢脆 </font><font face=\"Times New Roman\">3</font><font face=\"宋体\">、渗碳层深度 </font><font face=\"Times New Roman\">4</font><font face=\"宋体\">、破坏扭矩试验 </font><font face=\"Times New Roman\">5</font><font face=\"宋体\">、拉力</font></span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"> 6<font face=\"宋体\">、头部坚固性试验 </font><font face=\"Times New Roman\">7</font><font face=\"宋体\">、拧入性试验</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">六、弹性垫圈</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、弹性试验 </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、韧性试验 </font><font face=\"Times New Roman\">3</font><font face=\"宋体\">、抗氢脆</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">七、挡圈</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、弹性试验 </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、韧性试验 </font><font face=\"Times New Roman\">3</font><font face=\"宋体\">、缝规检查</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">八、销</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：剪切试验</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">九、铆钉</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、抗拉力 </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、抗剪力</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">十一、钢结构用大六角头螺栓连接副（螺栓螺母垫圈组合）</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、扭矩系数 </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、紧固轴力 </font><font face=\"Times New Roman\">3</font><font face=\"宋体\">、摩擦系数（螺纹摩擦系数、支撑面摩擦系数、总摩擦系数）</font></span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">十二、栓连接用连接副摩擦面（抗氢脆）</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\"><br />
</span><span style=\"font-weight: bold; font-size: 10.5pt; background: rgb(255,102,255); color: rgb(0,0,0); font-family: \'Times New Roman\'; mso-spacerun: \'yes\'; mso-shading: rgb(255,102,255)\">测试</span><span style=\"font-size: 10.5pt; font-family: \'Times New Roman\'; mso-spacerun: \'yes\'\">项目：<font face=\"Times New Roman\">1</font><font face=\"宋体\">、抗滑移系数 </font><font face=\"Times New Roman\">2</font><font face=\"宋体\">、适用于螺栓，螺钉。螺柱：自挤螺钉；自攻螺钉；自钻自攻螺钉；螺母和垫圈</font></span><span style=\"font-size: 10.5pt; font-family: \'宋体\'; mso-spacerun: \'yes\'\"><o:p></o:p></span></p>
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