1) Isothermal Super Plastic Compression
等温超塑性压缩
3) compression superplasticity
压缩超塑性
1.
Study on pretreatment and compression superplasticity under constant strain rate of extruded AZ31 Mg alloy
挤压态AZ31镁合金的预处理及恒应变速率下压缩超塑性研究
2.
31wt%C ultrahigh carbon steel (UHCS) and measuring the compression stress -strain curve, the effects of temperature and strain rate on compression superplasticity of the ultrahigh carbon steel were discussed.
31%超高碳钢超塑压缩试样的外观形态,测定其压缩真应力-真应变曲线,探讨了超塑压缩温度、应变速率对超高碳钢压缩超塑性的影响。
3.
However, in practice most of magnesium alloy production is formed by compression moldin , so compression superplasticity research of magnesium alloy have more practical significance.
在AZ31镁合金超塑性方面,大部分研究集中于拉伸超塑性的研究,只有少数的论文关注于镁合金的压缩超塑性的研究。
4) isothermal compressibility
等温压缩性
5) Superplastic Compression
超塑压缩
6) isothermal compression
等温压缩
1.
Mechanical behavior of 7A04 alloy in semisolid isothermal compression;
7A04合金半固态等温压缩的力学行为
2.
The test of the isothermal compression with constant strain rate of TA15 alloy has been studied at the α+β phase region and β phase region in this paper.
在α+β两相区和β单相区对TA15合金进行恒应变速率等温压缩试验,实测得到了一组流动应力应变曲线,并对流动应力及压缩后的显微组织变化规律进行分析。
3.
The rheological behavior of the Al_2O_3/Al composites by isothermal compression in pseudo-semi-solid state was studied.
采用等温压缩实验,对Al2O3/Al复合材料在伪半固态下流变行为进行了研究。
补充资料:等温压缩(isothermalcompression)
等温压缩(isothermalcompression)
气体温度在压缩的过程中保持不变称为等温压缩。在理想情况下,可看成是可逆压缩过程。工程上的处理为压缩机加水冷却系统,经压缩后的高温气体经过冷却水,把压缩热给冷却水带走,在等温压缩中,气体的熵变小,这也是气体制冷和液化的最关键一步。
在温度T下将气体从状态1等温压缩到状态2,压机做功W,冷却水带走压缩热Q,焓的变化为H2-H1,可得H2-H1=W-Q则
Q=W (H2-H1)
气体的熵降为`S_2-S_1=\frac{Q}{T}=\frac{W (H_1-H_2)}{T}`。所以此时可通过等熵膨胀或等焓膨胀来降温以达到制冷的目的。
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