技术交流 › 铸造论坛 › 球墨铸铁的热导率及电阻率

HEATS 发表于 2010-9-12 19:14:16

球墨铸铁的热导率及电阻率

<P align=center>球墨铸铁的热导率</P>
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD vAlign=top width=127 colSpan=3>
<P align=center><STRONG>金相组织（％）</STRONG></P></TD>
<TD vAlign=top width=44 rowSpan=2>
<P align=center><STRONG>石墨大小㎜×100</STRONG></P></TD>
<TD vAlign=top width=308 colSpan=7>
<P align=center><STRONG>化学成分（％）</STRONG></P></TD>
<TD vAlign=top width=90 rowSpan=2>
<P align=center><STRONG>热导率〔W/(m·K)〕</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=44>
<P align=center>铁素体</P></TD>
<TD vAlign=top width=41>
<P align=center>珠光体</P></TD>
<TD vAlign=top width=41>
<P align=center>石墨</P></TD>
<TD vAlign=top width=54>
<P align=center>C</P></TD>
<TD vAlign=top width=40>
<P align=center>Si</P></TD>
<TD vAlign=top width=40>
<P align=center>Mn</P></TD>
<TD vAlign=top width=46>
<P align=center>P</P></TD>
<TD vAlign=top width=46>
<P align=center>S</P></TD>
<TD vAlign=top width=40>
<P align=center>Mg</P></TD>
<TD vAlign=top width=40>
<P align=center>Ni</P></TD></TR>
<TR>
<TD vAlign=top width=44>
<P align=center>85</P></TD>
<TD vAlign=top width=41>
<P align=center>5</P></TD>
<TD vAlign=top width=41>
<P align=center>10</P></TD>
<TD vAlign=top width=44>
<P align=center>2.06</P></TD>
<TD vAlign=top width=54>
<P align=center>3.36</P></TD>
<TD vAlign=top width=40>
<P align=center>4.34</P></TD>
<TD vAlign=top width=40>
<P align=center>0.40</P></TD>
<TD vAlign=top width=46>
<P align=center>0.030</P></TD>
<TD vAlign=top width=46>
<P align=center>0.010</P></TD>
<TD vAlign=top width=40>
<P align=center>0.06</P></TD>
<TD vAlign=top width=40>
<P align=center>1.23</P></TD>
<TD vAlign=top width=90>
<P align=center>35.2</P></TD></TR>
<TR>
<TD vAlign=top width=44>
<P align=center>55</P></TD>
<TD vAlign=top width=41>
<P align=center>35</P></TD>
<TD vAlign=top width=41>
<P align=center>9</P></TD>
<TD vAlign=top width=44>
<P align=center>2.44</P></TD>
<TD vAlign=top width=54>
<P align=center>3.47</P></TD>
<TD vAlign=top width=40>
<P align=center>3.52</P></TD>
<TD vAlign=top width=40>
<P align=center>0.29</P></TD>
<TD vAlign=top width=46>
<P align=center>0.030</P></TD>
<TD vAlign=top width=46>
<P align=center>0.012</P></TD>
<TD vAlign=top width=40>
<P align=center>0.06</P></TD>
<TD vAlign=top width=40>
<P align=center>1.3</P></TD>
<TD vAlign=top width=90>
<P align=center>36.0</P></TD></TR>
<TR>
<TD vAlign=top width=44>
<P align=center>30</P></TD>
<TD vAlign=top width=41>
<P align=center>61</P></TD>
<TD vAlign=top width=41>
<P align=center>9</P></TD>
<TD vAlign=top width=44>
<P align=center>4.71</P></TD>
<TD vAlign=top width=54>
<P align=center>3.57</P></TD>
<TD vAlign=top width=40>
<P align=center>1.12</P></TD>
<TD vAlign=top width=40>
<P align=center>0.33</P></TD>
<TD vAlign=top width=46>
<P align=center>0.035</P></TD>
<TD vAlign=top width=46>
<P align=center>0.004</P></TD>
<TD vAlign=top width=40>
<P align=center>0.06</P></TD>
<TD vAlign=top width=40>
<P align=center>1.33</P></TD>
<TD vAlign=top width=90>
<P align=center>37.7</P></TD></TR>
<TR>
<TD vAlign=top width=44>
<P align=center>5</P></TD>
<TD vAlign=top width=41>
<P align=center>85</P></TD>
<TD vAlign=top width=41>
<P align=center>10</P></TD>
<TD vAlign=top width=44>
<P align=center>4.44</P></TD>
<TD vAlign=top width=54>
<P align=center>3.33</P></TD>
<TD vAlign=top width=40>
<P align=center>2.28</P></TD>
<TD vAlign=top width=40>
<P align=center>0.50</P></TD>
<TD vAlign=top width=46>
<P align=center>0.0</P></TD>
<TD vAlign=top width=46>
<P align=center>0.010</P></TD>
<TD vAlign=top width=40>
<P align=center>0.06</P></TD>
<TD vAlign=top width=40>
<P align=center>1.12</P></TD>
<TD vAlign=top width=90>
<P align=center>35.7</P></TD></TR></TBODY></TABLE>
<P align=center>球墨铸铁的电阻率</P>
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD vAlign=top width=142>
<P align=center><STRONG>材料</STRONG></P></TD>
<TD vAlign=top width=142>
<P align=center><STRONG>基体组织</STRONG></P></TD>
<TD vAlign=top width=142>
<P align=center><STRONG>化学成分（％）</STRONG></P></TD>
<TD vAlign=top width=142>
<P align=center><STRONG>电阻率／(uΩ·cm)</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=142>
<P align=center>铁素体球墨铸铁</P></TD>
<TD vAlign=top width=142>
<P align=center>铁素体95％+珠光体5％</P></TD>
<TD vAlign=top width=142 rowSpan=2>
<P align=center>C3.60~3.62,Si2.4,</P>
<P align=center>Mn0.5,P0.087</P></TD>
<TD vAlign=top width=142>
<P align=center>55</P></TD></TR>
<TR>
<TD vAlign=top width=142>
<P align=center>珠光体球墨铸铁</P></TD>
<TD vAlign=top width=142>
<P align=center>珠光体95％+铁素体5％</P></TD>
<TD vAlign=top width=142>
<P align=center>59</P></TD></TR></TBODY></TABLE>
               

查看完整版本: 球墨铸铁的热导率及电阻率