固液共存

稀土对Al-Cu合金凝固过程力学行为及固液共存区的影响

Influence of Rare Earths on mechanical behavior and solid-liquid coexisting zone of Al-Cu alloys during solidification

本文用自行设计的实验装置研究了富Ce混合稀土，La，Y和Ce对Al-Cu合金凝固过程力学行为和固液共存区的影响。

The influence of La , Y , Ce and mischmetal on the mechanical behavior and solid-liquid coexisting zone of Al-Cu alloys during solidification has been investigated with equipment specially designed .

另外推测正戊烷在高压下可能发生固-固相变，最后通过平衡的固液共存相确定了正戊烷的平衡凝固压力为（1.90±0.05）GPa。

In addition , a high-pressure transition phase may appear in crystallized n-pentane in the range of 2.84 ~ 4.77 GPa . The equilibrium freezing pressure of n-pentane is ( 1.90 ± 0.05 ) GPa at 27 ℃ by measuring with the method of crystal-liquid coexistence .

国际稀土开发应用学术讨论会和国际稀土及其应用产品博览会将于1985年在北京举行稀土对Al-Cu合金凝固过程力学行为及固液共存区的影响

International Conference on rare earth development and applications and International Fair for rare earths and their application products September 10 ~ 14 , 1985 , beijing , China influence of Rare Earths on mechanical behavior and solid-liquid coexisting zone of Al-Cu alloys during solidification

Al&5%Cu合金固液共存区的粘性、弹性和塑性变形行为

Behavior of Viscosity , Elasticity and Plastic Deformation of Al-5 % Cu Alloy in Solid-Liquid Coexistence Zone

本文建立了Al&Cu合金固液共存区的非线性流变模型。

In this paper the non-linear rheological model of Al-Cu alloy in the solid-liquid coexistence zone has been established .

稀土对Al&5%Cu合金固液共存区蠕变及应力松弛的影响

Influence of Rare Earth Additions on Creep and Stress Relaxation of An Al-5 % Cu Alloy in the Solid-Liquid Coexistence Zone

并在试验的基础上，先后建立了振动条件下固态孔洞闭合和氧化膜破碎模型和固液共存状态下孔洞闭合和氧化膜破碎模型。

The elimination of void and oxide film removing model under solid state and the one under the coexistence solid and liquid phase are successively developed on basis of the above results .

得出在界面处液相出现（即达到共晶或进入固液共存区）之前，扩散层随温度按指数规律变化；在同一温度，扩散层与扩散时间的平方根成正比。

It was found that the thickness of diffusion layer was in direct proportion to the square root of time , and varied with temperature index at the same temperature , before the liquid phase formation .

本文在自行研制的高熔点合金流变性能测试装置上，进行了液态及固液共存区钢的流变性能的实验研究。

The rheological properties of cast steel in the range of liquid state and solid liquid coexistence region have been examined under the modified test equipment for rheological properties of superalloy , particularly with refractory fittings .

依据焊接过程的特点，本文把焊接构件分成熔池液相区、固液共存区和固相区三个区域。

According to the characteristics of welding process , this paper divided the welding joint of a weldment into three zones : the liquid zone in the molten weld pool , the solid-liquid co-existing zone and the solid zone .

模型的一个重要特点是认为在降膜结晶过程中，于熔体液相区和固相区之间存在一薄厚不匀且不断变化的固液两相共存区。

One distinct characteristic of the present model is that there is an irregular two-phase mushy region existing between the liquid and solid phases .