1) extrusion blooming
挤压开坯
1.
Six types of Ag-Cu-Zn alloy solder can be developed by means of melting of graphite crucible furnace and the processes such as steel form pouring→extrusion blooming→annealing→tension→acid washing→tension.
采用石墨坩埚炉熔化及钢模浇注→挤压开坯→退火→拉伸→酸洗→拉伸的工艺,并选择合适的工艺参数,研制出6种牌号的Ag-Cu-Zn合金钎焊料,其性能优良,达到日本同类产品性能水平。
2.
Since the method of extrusion blooming before rolling is a efffective way to deform the metal with poor formability, it is very important to carry on a deep research on this method.
对难变形金属而言,挤压开坯然后轧制成形是一条有效的板材加工途径,镁合金的挤压开坯轧制需要深入研究,本文选用中等强度高塑性的ZM21镁锰合金,以及在其中添加高低不同含量Ce合金为研究对象,对其挤压-纵轧和挤压-横轧工艺过程进行研究。
2) extrusion billet
挤压坯料
3) isothermal hot extrusion
管坯等温热挤压
4) open die extrusion
开式挤压
1.
Maximum and minimum critical rates of deformation in open die extrusion are discussed on the basis of the slip field theory and the upper bound theory of plane state plastic deformation.
采用平面塑性变形的滑移线理论和上限理论对开式挤压成形工艺中的临界最小和临界最大变形率进行了分析计算,给出了挤压模角与临界最小和临界最大变形率的对应关系;根据压杆稳定性理论,给出了挤压坯料的最大长度计算方法,为制订开式挤压成形工艺参数提供了依据。
5) open-die cold extrusion
开式冷挤压
1.
Research on experiment of size prediction of thick-walled tube without mandrel by open-die cold extrusion;
厚壁管件无芯棒开式冷挤压尺寸预测的实验研究
2.
Research on improving prediction accuracy of maximum reduction by open-die cold extrusion;
提高开式冷挤压极限变形程度预测精度方法的研究
3.
Analysis of process parameter of open-die cold extrusion with upper-bound method
开式冷挤压工艺参数的上限法分析与实验研究
6) open-die extrusion
开式冷挤压
1.
Maximum reduction when deep tine taper hole part is formed by open-die extrusion is defined.
给出了深小锥孔件开式冷挤压成形时极限变形程度的定义,通过对深小锥孔开式冷挤压成形时的变形分析,建立了变形区非稳态连续速度场,利用上限原理得到了极限变形程度的理论判据。
2.
In the paper, maximum reduction when deep tine taper hole is formed by open-die extrusion is defined.
给出了深小锥孔件开式冷挤压成形时极限变形程度的定义,建立了变形区非稳态连续速度场;利用上限原理得到了极限变形程度的理论判据。
3.
In the paper, the forming limit was depicted by analysis of the deep tine taper hole is formed by open-die extrusion.
通过分析深小锥孔开式冷挤压成形特点 ,描述了其成形极限 ,建立了变形区非稳态连续速度场 ;利用上限原理得到了成形极限的理论模型。
补充资料:锻压开坯
锻压开坯
hammer cogging
dUQnyo kaiPi锻压开坯(hammer eogging)用锻锤或水压机将钢搜锻压成钢坯的作业,是特殊钢和高合金钢锭开坯的重要手段(见合金钢锻压开坯)。 (王允禧)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条