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      求助:表面工程翻译

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      发表于 2006-5-1 06:27:00 | 显示全部楼层 |阅读模式
      <p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-font-kerning: 0pt;"><font face="Times New Roman">最近在做毕业设计,有些专业的东西不会,请高手帮忙。</font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-font-kerning: 0pt;"><font face="Times New Roman">The die materials were: A2 tool steel,weld overlay, tungsten carbide, physical vapor deposited titanium nitride and transformation toughened zirconia. The three steels were: a low carbon uncoated aluminum killed drawing quality (AKDQ) sheet, a zinc-coated galvannealed sheet and a hot dip galvanized sheet<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">the bending-under-tension test frame.<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">back force<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">surface profile<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">Tungsten carbide—commercially produced grade sold as Micro 100.<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">Plastic strain ratio at three orientations, normal anisotropy and planar anisotropy<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">decreased elongation.<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">The machining process for the zirconia die could not be altered to provide a higher roughness value.<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">tension actuator<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">ramping back force test methodology<p></p></font></span></p><p>&nbsp;</p>
       楼主| 发表于 2006-5-1 06:27:00 | 显示全部楼层
      <p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">The scanned profilometry data were corrected for cylinder as well as tilt<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">The data were then subjected to a digital high pass filtering algorithm.<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">Features with wavelengths<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">the skewness, and the kurtosis.<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">point count<p></p></font></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><font face="Times New Roman"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">Skewness, <i>R</i></span><span lang="EN-US" style="FONT-SIZE: 7.5pt; mso-font-kerning: 0pt;">sk</span><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">, is a measure of the asymmetry of the height profile about the mean line. A random<p></p></span></font></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><font face="Times New Roman"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">surface with no asymmetry would have a skewness value of 0.0. The kurtosis, <i>R</i></span><span lang="EN-US" style="FONT-SIZE: 7.5pt; mso-font-kerning: 0pt;">ku</span><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">, is the measure of the peakedness of the height profile about the mean line. A random surface with no peakedness would have a kurtosis of 3.0.<p></p></span></font></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><font face="Times New Roman"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">The most random surface (with lowest <i>R</i></span><span lang="EN-US" style="FONT-SIZE: 7.5pt; mso-font-kerning: 0pt;">sk </span><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">and with <i>R</i></span><span lang="EN-US" style="FONT-SIZE: 7.5pt; mso-font-kerning: 0pt;">ku </span><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;">closest to 3.0) is that of the tungsten carbide.</span><span lang="EN-US" style="FONT-SIZE: 7.5pt; mso-font-kerning: 0pt;"><p></p></span></font></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none;"><span lang="EN-US" style="FONT-SIZE: 10pt; mso-font-kerning: 0pt;"><font face="Times New Roman">asperities<p></p></font></span></p>
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