Application study on swaging special-shaped non-ferrous metal wire of lower plasticity;
旋锻法加工低塑性有色金属异型材的应用研究
A general finite-element software program,MSC/Marc,has been used to develop a coupled thermo-mechanical model of rotary swaging process for pure magnesium.
Marc,对纯镁旋锻过程进行了模拟,着重分析了锻模圆锥进料角α对旋锻变形应变场的影响。
Typical deformation processing including rolling,swaging,and hydrostatic extrusion(cold hydrostatic extrusion,hot hydrostatic extrusion) are introduced.
综述了高密度钨合金材料形变强化工艺的研究进展 ,重点介绍了轧制、旋锻、静液挤压 (冷静液挤压 ,热静液挤压 )等形变强化工艺对高密度钨合金材料性能的影响及各种工艺方法的优缺点 ,指出了形变强化工艺在高密度钨合金生产领域方面的优势及应用前景。
Influence of (Mo, Zr, Ti)_xO_y particles on mechanical properties and microstructure of rotary forging Mo-Ti-Zr alloy;
(Mo,Zr,Ti)_xO_y粒子对旋锻Mo-Ti-Zr合金性能和组织的影响
Product quality and rate of finished product has been improved using the following measures: tungsten slugs are forged under different temperature according to their grain size type; rotary forging is controlled by working rate; .
在分析原因的基础上,采取按晶型将钨坯分类,确定对应的加工温度,对出成品前的1~2道旋锻工序采用加工单进行控制,对施锻模的椭圆度、定径区长度加以控制等一系列改进措施,使产品质量和成材率均得到一定提高。
Powder metallurgy and pressure processing technology were used as the main method, hydrogen reduction molybdenum powder was chossed as raw material and suppressed by cold isostatic press and sintering at low-temperature and then deformed and densified by rotary forging.
本研究以氢还原钼粉为原料,采用冷等静压成型和低温烧结及旋锻热加工致密化工艺,研制出了具有良好力学性能的细晶粒钼棒材,获得了一种制备低成本、细晶粒、高性能钼棒材的新方法。
The weight loss rate in 600 ℃ sodium containing 30 μg/g oxygen is about 1×10~(-4) mm·a~(-1) and (2×10~(-4)) mm·a~(-1), respectively for the rotary swaging tungsten and polishing tungsten.
试验研究了表面加工工艺不同的旋锻钨和抛光钨与钠的相容性。
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