技术交流 › 铸造论坛 › 蠕墨铸铁的冲击韧度及疲劳强度

HEATS 发表于 2010-9-12 19:10:51

蠕墨铸铁的冲击韧度及疲劳强度

<DIV align=center>
<P>蠕墨铸铁的冲击韧度</P>
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD vAlign=top width=134 rowSpan=2>
<P><STRONG>材料</STRONG></P></TD>
<TD vAlign=top width=226 colSpan=3>
<P><STRONG>无缺口<SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">a</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">k</SPAN></SUB>／(J／<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">㎝</SPAN><SUP><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">2</SPAN></SUP>)</STRONG></P></TD>
<TD vAlign=top width=261 colSpan=3>
<P><STRONG>有缺口<SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">a</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">k</SPAN></SUB>／(J／<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">㎝</SPAN><SUP><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">2</SPAN></SUP>)</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=94>
<P>+20℃</P></TD>
<TD vAlign=top width=68>
<P>-20℃</P></TD>
<TD vAlign=top width=64>
<P>-40℃</P></TD>
<TD vAlign=top width=99>
<P>+20℃</P></TD>
<TD vAlign=top width=81>
<P>-20℃</P></TD>
<TD vAlign=top width=81>
<P>-40℃</P></TD></TR>
<TR>
<TD vAlign=top width=134>
<P>铁素体＞95％，蠕墨95％GGV-30(铁素体)</P>
<P>珠光体基体</P></TD>
<TD vAlign=top width=94>
<P>32.1</P>
<P>室温最大25</P></TD>
<TD vAlign=top width=68>
<P>26.5</P></TD>
<TD vAlign=top width=64>
<P>26.7</P></TD>
<TD vAlign=top width=99>
<P>9.3</P>
<P>室温最大10</P></TD>
<TD vAlign=top width=81>
<P>6.6</P></TD>
<TD vAlign=top width=81>
<P>&nbsp;</P></TD></TR></TBODY></TABLE>
<P>蠕墨铸铁的疲劳性能</P>
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD vAlign=top width=147>
<P><STRONG>基体</STRONG></P></TD>
<TD vAlign=top width=95>
<P><STRONG>抗拉强度<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB>/MPa</STRONG></P></TD>
<TD vAlign=top width=95>
<P><STRONG>无缺口疲劳极限<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">-1</SPAN></SUB>/MPa</STRONG></P></TD>
<TD vAlign=top width=95>
<P><STRONG>持久比<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">-1</SPAN></SUB>/<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB></STRONG></P></TD>
<TD vAlign=top width=95>
<P><STRONG>缺口疲劳极限<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">-1</SPAN></SUB> K</STRONG><STRONG>/M<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">b</SPAN></SUB></STRONG></P></TD>
<TD vAlign=top width=95>
<P><STRONG>缺口敏感系数<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">-1</SPAN></SUB>/<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">σ</SPAN><SUB><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">-1</SPAN></SUB>K</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=147>
<P>铁素体GGV-30</P>
<P>铁素体</P></TD>
<TD vAlign=top width=95>
<P>≥300</P>
<P>388</P></TD>
<TD vAlign=top width=95>
<P>＞170</P>
<P>178</P></TD>
<TD vAlign=top width=95>
<P>0.57</P>
<P>0.46</P></TD>
<TD vAlign=top width=95>
<P>&nbsp;</P>
<P>110</P></TD>
<TD vAlign=top width=95>
<P>&nbsp;</P>
<P>1.78</P></TD></TR>
<TR>
<TD vAlign=top width=147>
<P>珠光体</P>
<P>珠光体（球状石墨较多）</P></TD>
<TD vAlign=top width=95>
<P>414</P>
<P>473</P></TD>
<TD vAlign=top width=95>
<P>185</P>
<P>208</P></TD>
<TD vAlign=top width=95>
<P>0.45</P>
<P>0.44</P></TD>
<TD vAlign=top width=95>
<P>108</P>
<P>116</P></TD>
<TD vAlign=top width=95>
<P>1.71</P>
<P>1.8</P></TD></TR></TBODY></TABLE></DIV>
               

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