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draw sheet     
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  “draw sheet”译为未确定词的双语例句
     Basing on OLE technique, Delphi is used in the second development of AutoCAD, which is used as the drawing platform to draw sheet metal component expansion graphics.
     以OLE技术为基础,应用开发工具Delphi进行AutoCAD二次开发,把AutoCAD作为图形输出平台,实现了饭金展开的图形输出。
短句来源
  相似匹配句对
     Fast Draw Quantity Sheet in Working Plan
     工程图形中数据表格的快速生成
短句来源
     I Draw I Speak
     我画我说
短句来源
     A MINERALIZATION MODEL CONTRALLED BY DRAW-THRUST SHEET TECTONICS
     抽拉—逆冲岩片控矿研究
短句来源
     PLASTIC SHEET EXPLOSIVE
     塑料板状炸药
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     Evenness of paper sheet
     纸的匀度
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  draw sheet
This paper presents a mathematical model of the drawbead forces together with a numerical procedure for calculating the force required to draw sheet metal past a bead of constant cross section.
      


he paper discussed the changes of crystal structure and mechanical properties of hot drawn and twice drawn sheets of UHMW-PE in melted state.The crystal orientation of the drawn sheets were tested by using WAXD,the 200 and 020 pole figers were made and the orientation factors fa, fb and fc were calculated.The crystallite and amorphous region size along draw direction were obtainded by measuring the integral breadth of the 002 reflection profile and long period for the drawn sheets.The...

he paper discussed the changes of crystal structure and mechanical properties of hot drawn and twice drawn sheets of UHMW-PE in melted state.The crystal orientation of the drawn sheets were tested by using WAXD,the 200 and 020 pole figers were made and the orientation factors fa, fb and fc were calculated.The crystallite and amorphous region size along draw direction were obtainded by measuring the integral breadth of the 002 reflection profile and long period for the drawn sheets.The DSC curves for twice drawn UHMW-PE sheets showed that besides a main peak,a small melt peak was observed at 152--153to. The dynamic mechanical behavious for the hot drawn sheets and twice drawn sheets indicated that β-relaxation appears in lower draw ratio sheets and in higher draw ratio and twice drawn sheets β-relaxation degenerated greatly or disappeared.The Young's modulus of twice drawn UHMW-PE were much higher than the first drawn one.The results showed that twice drawn UHMW-PE sheets had hi-component crystllization:most crystals were folded chain type, a few were extended chain crystals.Structures and properties of twice drawn sheets were improvement of first drawn one.

讨论了超高分子量聚乙烯(UHMW-PE)的熔融一次拉伸和二次拉伸的晶体结构和力学性能.利用WAXD和SAXD测定了拉伸片的晶体取向因子和极图,晶粒尺寸,晶体畸变,长周期等晶体结构.用DSC和VES测定热性能和动态力学性能.应力-应变实验测定拉伸片的杨氏模量,断裂强度和伸长.这些实验结果说明UHMW-PE经二次拉伸能产生正交晶系的伸直链晶体.二次拉伸片由折叠链片晶和伸直链晶体两元结构组成.二次拉伸片的杨氏模量比一次拉伸片有大幅度提高.二次拉伸片的晶体结构和力学性能是在一次拉伸的基础上形成的.

The TRIP sheet steels are one kind of newly developed high strength steels with the characteristic of transformation-induced-plasticity。In this paper, the new development of investigation on TRIP steel is overviewed and the emphasis is put on the experimental study on the strength limits, elongation and forming limit for a low carbon Si-Mn TRIP sheet steel. And their microstructures' variation during forming are analyzed by scanning electron microscopy. The experimental results showed that this kind...

The TRIP sheet steels are one kind of newly developed high strength steels with the characteristic of transformation-induced-plasticity。In this paper, the new development of investigation on TRIP steel is overviewed and the emphasis is put on the experimental study on the strength limits, elongation and forming limit for a low carbon Si-Mn TRIP sheet steel. And their microstructures' variation during forming are analyzed by scanning electron microscopy. The experimental results showed that this kind of TRIP steel is of high strength and good ductility and its formability is comparative with deep-drawn sheet steels St14.And its good formability is highly relevant with the transformation phenomenon of austenite during TRIP sheets forming.

TRIP钢板是一种具有相变诱发塑性特点的新型高强度钢板。本文简要回顾了 TRIP钢板的研究进展, 重点对一种低碳硅锰系TRIP700钢板的强度极限、延伸率、成形极限曲线进行了试验研究, 并用扫描电镜方法分析了该TRIP钢在变形过程中微观组织的变化。结果表明, 该低碳硅锰系TRIP钢板兼有高强度和高韧性的特点, 其拉深成形性与深冲钢板St14相当, 其良好的成形性与变形中奥氏体相的相变现象是密切相关的。

 
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