分析了烧结温度和烧结保温时间对压坯密度的影响。
Effect of sintering temperature and sintering holding time on green density was analyzed.
研究结果表明，不同预粘结工艺、压制温度和粘结剂含量对压坯密度影响很大。
Results of this study show that, powder mixing method, compaction temperature and binder concentration have significant effects on the green density.
通过改进模具磁路设计，使压坯密度分布趋于均匀，提高了大弧度磁瓦产品的成品率。
An improved method, for design of mould magnetic path in order to uniform the density of the tile billet is introduced, then increasing the rate of finished product.
对420不锈钢粉末进行温压，探索温压工艺参数对压坯密度的影响，并对温压与室温模压添加0。
Influences of processing parameters of warm compaction on green density of 420 stainless steel were studied.
通过对等密度线的测定，查明了不同粒度铁粉的压坯密度变化，以及在不同压力下压坯密度变化的规律。
By measuring the equal density curves, the changes of compact density of iron powders with different particle size and different pressure were investigated.
之后对混合粉进行冷压制坯，发现压制压力、加压速度和保压时间对冷压坯的密度都有重要影响。
The cold-pressed compacts have been made of such WCu powders, and it is found that the pressure force and loading speed have important effects on the relative density of the compacts.
分析了放电电压、致密次数、加热温度等因素对压坯致密度的影响。
The effects of the discharge voltage, compacting times and temperature on the relative densities of the compacted specimens are analyzed.
靠近压力加工面部位，硬度较沉积坯提高了45%，拉伸强度较沉积坯提高了40%。双向楔压后孔洞闭合、密度硬度分布都比较均匀。
Compared with those of as-sprayed ring, hardness and tension strength of area near processing face are increased by 45% and 40% respectively.
同时温压烧结坯的密度与常压试样的区别不明显，但抗拉强度和伸长率都高于同批的常压试样。
Although little difference exists between the densities obtained by RT compaction and warm compaction, the warm compaction leads to higher tensile strength and elongation.
本发明通过在钛粉中添加硬脂酸锌，获得了更大体积的压坯，且提高了压坯致密度。
The invention adds the zinc stearate into the titanium powder, thereby obtaining green compacts with larger volume and improving the density of the green compacts.
结果表明：在钼粉末的温压成形过程中，压坯顶部半端面、轴截面和侧壁的相对密度分布等值线和其应力分布等值线非常接近。
The results show that the distributions of the relative density and the stress are very close at the top, the longitudinal section and the lateral wall of the compacts during the warm compaction.
结果表明，压制压力相同时，粉末压坯相对密度随高能球磨时间的延长而逐渐减小。
The results show that when the high-energy mechanical milling time increases, the relative density of pressed compact decreases gradually under the same compacting pressure.
高能球磨时间相同时，粉末压坯相对密度随压制压力的增加而增大。
The relative density of pressed compacts, which were prepared by high-energy milling 3%c-cu powders with the same high-energy mechanical milling time, increases with increasing compacting pressure.
高能球磨时间相同时，粉末压坯相对密度随压制压力的增加而增大。
The relative density of pressed compacts, which were prepared by high-energy milling 3%c-cu powders with the same high-energy mechanical milling time, increases with increasing compacting pressure.
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