dendrite crystal

Coupling macro-transfer model of continuous casting with micro-characteristics of dendrite crystal solidification

耦合枝晶凝固微观特性的连铸宏观传输模型

The main crystalline phase of the glass-ceramics are hedenbergite, while the subordinate crystalline phase is augite with dendrite, columnar crystal and bulk crystal existing in the aggregation, and the grain size is about 1-8 μ m.

其主晶相为钙铁辉石，次晶相为普通辉石。晶粒尺寸在1~8μm范围内，其集合体呈球状、枝晶状和块状晶体。

The phases of dendrite crystal in repaired region consist of supersaturated α′-Co containing plenty of Ni. Cr. Al.

修复区的相结构中，枝晶骨架主要是过饱和的α-Co，并溶有大量的Ni及一定量的Cr和Al；

The microstructures of repaired region are planar crystal, cellular crystal, dendrite crystal, equiaxed crystal and columnar crystal from the transition region to the top cladding layer.

修复区中，从过渡区到堆焊层的组织结构变化为由平面晶过渡到胞晶、树枝晶、等轴晶及柱状组织。

It was found that mechanical vibration with increasing frequency increased combustion temperature, combustion rate and reaction transformation rate, promoted Al 2O 3 Fe liquid liquid phase gravitational separation and ceramic densification, and made Al 2O 3 dendrite crystal be changed in size and growth orientation.

研究发现，机械振动并相应提高振频可以提高燃烧温度、燃烧速率和反应转化率，促进Al2O3Fe液相重力分离和陶瓷致密过程，并使陶瓷层的凝固组织发生改变；

It is got from the stretching fracture that the main function of the austenite dendrite crystal during the course of fracture is to stop the spread of the crack, increase the energy needed for fracture, and improve the cast-iron bars' strength. 5.

从拉伸断口可以得出：奥氏体枝晶在铸铁型材的断裂过程中主要表现为阻止裂纹扩展的作用，增加断裂所需的能量，提高铸铁型材的强度。

Under the condition of semisolid state, when there are many original crystal grains,α-Mg grew mainly by means of cling to crystal grains. But when the fraction of liquid phase was high, α-Mg grew in the form of dendrite crystal.

在半固态条件下，当原始固相晶粒较多时，初晶α相的生长方式表现为依附生长为主：当浆料中液相率较高时，初晶α相主要以树枝晶方式生长。

Effect of Time and Space Condition on Transition between Cell and Dendrite during Crystal Growth

时空条件对枝胞转变的影响

The solidification microstructure of the stainless steel layer was typical coarse cellular dendrite crystal epitaxially from the mother sheet, and after rolling it changes to the fine equiaxed crystal.

凝固层轧制前为逆热流方向外延生长的粗大胞状树枝晶，轧制后为细小的等轴晶组织。