Mg基BMG的制备方法的发展趋势是快速、简单、近终成形。
The future development of MG based BMG preparation trended toward fast rate, simplicity and near net shape.
本发明涉及一种金属材料的半固态加工的方法和相应的装置，属于金属加工的近终成形技术领域。
The invention relates to a semisolid processing method of metal materials and a corresponding device and belongs to the technical field of near-net shaping of metal finishing.
对颗粒增强铝基复合材料进行压力铸造工艺加工，是解决颗粒增强铝基复合材料近终成形的一种新方法。
The new moulding technics idea of particulates reinforced aluminum matrix composites is to apply die-casting into this kind of material.
利用开发的双频电磁近终成形技术，成功地实现了两种不同频率组合下的电磁成形过程，制备出了复杂弯月截面、复杂形状无模壳电磁成形的样件。
Using dual-frequency fields, two processes of high-supersonic and dual-high frequency electromagnetic shaping near net- shape are successfully carried out, producing complex shapes such asm…
为了改进经济性与近终形(NNS)成形性，开发了无包套粉末挤压工艺与精压式粉末锻造工艺。
For improved economics and NNS (Near Net Shape) formability, encapsulation-free Powder Extrusion process and coining type Powder Forging process were developed.
该方法通过优化设计预成形模具形状，可实现精形终锻，得到无飞边、完全充满型腔和无折叠的终锻件。
This method can realize net shape forging by optimizing preform die shape. Flashless final forging with complete die fill and without folding-over defect can be obtained.
通过模拟研究，确定该转向节的成形方案为：二道次辊锻制坯加一步终锻成形。
The final forging process was determined as two passes roll forging and one step finish forging process.
工艺参数的计算表明，挤压毛坯可在终锻成形时一次正确成形锻件。
The calculation of process parameters show that the forging could be fabricated once in the finish die forging with small flash.
对挤压制坯、开式终锻成形进行了有限元模拟。模拟结果显示，挤压毛坯能正确成形锻件；
The extruding forming and finish die forging were simulated, and the simulation results show that the backward extruding blank is right and can form forgings;
对挤压制坯、开式终锻成形进行了有限元模拟。模拟结果显示，挤压毛坯能正确成形锻件；
The extruding forming and finish die forging were simulated, and the simulation results show that the backward extruding blank is right and can form forgings;
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