供应氮化硅导模

<p> <p> </p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋体;">材料性能简介</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt;" lang="EN-US">Si₃ N₄(RB)</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">体积密度</span><span style="font-size: 12pt;" lang="EN-US">(g/cm³)<span style="mso-spacerun: yes;">   </span>2.5-2.6 </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">硬度</span><span style="font-size: 12pt;" lang="EN-US">(HRA)<span style="mso-spacerun: yes;">         </span>80-86 </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">抗弯强度</span><span style="font-size: 12pt;" lang="EN-US">(MPa) <span style="mso-spacerun: yes;">    </span>160-250 </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">气孔率</span><span style="font-size: 12pt;" lang="EN-US">%<span style="mso-spacerun: yes;">          </span>10-15 </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">热膨胀系数</span><span style="font-size: 12pt;" lang="EN-US"><span style="mso-spacerun: yes;">       </span>2.6×10^-6/</span><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">℃</span></p> </p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 24pt; mso-char-indent-count: 2.0;"><span style="font-size: 12pt; font-family: 宋体; mso-ascii-font-family: ">我们采用具有抗金属铝溶液腐蚀和熔融性的氮化硅材料制成的热电偶保护管、发热体保护管、通气转子轴、升液管和其他用于铝合金铸造生产加工。</span></p>