<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> </p> |