形核

模型采用位置过饱和形核与恒定速率形核两种形核方式，研究了不同算法下再结晶过程的动力学。结果表明：网格规模与邻居关系对再结晶动力学的Avrimi指数n几乎没有影响；

Site-saturated nucleation and constant-rate nucleation modes were adopted in this model , and the kinetics of recrystallization was investigated under different algorithms .

对γa与γg的形成机构进行了讨论，认为二者都是扩散形核，扩散长大。

We consider that the formation of γ _a and γ _g has the same diffusion mechanisms diffusion nucleation and diffusion growth .

430铁素体不锈钢TiN形核细化凝固组织的研究

Study on Solidification Structure Refining of 430 Ferrite Stainless Steel with TiN Nucleation

而且，预极化电位越高，Em值越大，亚稳孔形核数越少。

The higher the pre-polarization potential , the higher Em , and the less the number of metastable pits .

说明微量Ca的加入可能具有细化析出相和促进晶内形核的作用。

It could be deduced that Ca addition could refine the precipitation and accelerate the nucleation within grain .

电子束诱导非晶GaAs晶化的形核与长大

Electron-beam induced nucleation and growth in amorphous GaAs

在深过冷Al（72）Ni（12）Co（16）合金的凝固过程中，冷却速率对两相竞争形核影响甚微。

The effect of the cooling rates on the nucleation of competing phases is negligible in the undercooled alloy melts .

发现磁场使纯金属Al的形核温度降低，即过冷度增大。

It was found that nucleation temperature of pure aluminum was reduced in magnetic field , namely , the undercooling level increased .

铌硅锰非均匀形核表面淀积掺杂PTC陶瓷

Barium titanate based PTC ceramics doped by Nb-Si-Mn heterogeneous nucleation surface deposition method

结果发现：Ag、Cu和Ni的均质形核过冷度随着体积与冷速比值的增大而减小。

The results show that the homogenous nucleation undercooling of metals decreases with increasing ratio of sample volume to cooling rate .

理论计算和实验结果均表明，（Ge）相领先形核。

Both theoretical analysis and experimental results indicate that ( Ge ) phase is the primary phase .

纳米Al2O3作为异质形核的核心，细化了组织。

Fine and equiaxed microstructure has been obtained for the nanocrystalline Al2O3 acting as new nucleation site of the melting pool .

退火1100℃时，形核速率为主导，样品表面形成了Si的纳米级针状结构。

Nucleation becomes dominant after RTA of 1100 ℃, and nanometer needle structure of Si forms on the surface of Er-doped c-Si .

TiAl裂纹形核和塑性变形关系的研究

Study of relationship between initiation of microcracks and plastic deformation for TiAl Alloy

发现无空位TiC是铝的有效形核衬底。

The TiC particles without or a little carbon vacancies are good nucleation substrate for a-Al .

TiAl3对TiC粒子在铝基体中分布及α（Al）晶粒形核的影响

Effect of TiAl_3 on distribution of TiC particles in aluminum matrix and nucleation of α( Al ) grain

热丝CVD金刚石薄膜制备及碳纳米管形核作用的研究

Effects of Carbon Nanotubes on the Nucleation and Growth of Diamond Films by Hot Filament Chemical Vapor Deposition

结果显示：颗粒的加入使凝固起始温度降低，表明SiC颗粒不促进α（Al）相的形核。

The results indicated that the addition of particles lowered the start solidification temperature ; the phenomenon meant that SiC particles failed to stimulate nucleation .

蒸镀C（60）对YG8硬质合金刀片上金刚石形核的影响

Effect of pre-deposition c_ ( 60 ) film on diamond nucleation onto cemented carbide substrate

其中Cu原子对αFe-Si相纳米晶粒的形核有重要影响。

The addition of Cu atoms had significant effect on the nucleation process of a Fe-Si phase .

不同晶化工艺对非晶PZT纳米薄膜形核取向生长机理的影响

Effects on the mechanism of nucleation and orientation of amorphous PZT nano thin film treated by different crystallization technics

在CSP（CompactStripProduction）工艺条件下低碳钢中铁素体的晶内异质形核动力学是一个新的研究领域。

The dynamics of intragranular nucleation of ferrite in the low carbon VN alloyed steel under the compact strip production ( CSP ) is a new research field .

增强体含量的增加降低了α（Al）相的形核温度，对Al-Si共晶影响不明显。

Increasing reinforcement content could decrease the nucleation temperature of α( Al ) phase , yet had no obvious effect on Al-Si eutectic reaction .

模拟结果显示，在确定的沉积率下，形核密度N由于恢复交换随温度增加被激活而发生转变，对应的转变温度Tx将曲线N~T分成了两个不同的区域。

The simulation results demonstrate that , with increasing temperature , the activated reexchange process gives rise to a transition of nucleation density .

当C080%Cu时，包晶相（Cu）可从过冷熔体中直接形核析出，形成单相（Cu）的凝固组织。

If C080 % Cu , the peritectic phase ( Cu ) will precipitate from undercooled melt immediately , which results in the formation of single phase ( Cu ) .

Cu原子簇触发形核下的深过冷Ag-Ge合金组织演变研究

Microstructural Evolution of the Deeply Undercooled Ag-Ge Alloys with Cu Atoms Cluster Triggered Nucleation

WC-Co合金微裂纹形核过程的探讨

Initiation of microcracks in WC-Co alloys

藉助SEM和microRaman，我们研究了在退火和在镍衬底上金刚石形核中甲烷CH4的影响。

The effect of CH 4 for density and quality of diamond nuclei on nickel substrates are studied by SEM and Micro-Raman in the high-temperature annealing process .

另一方面还促进了α-Al相的形核和生长，使共晶生长领先相由共晶Si转变为α-Al相。

Meanwhile , it also accelerates the nucleation and growth of α - aluminium and changes the eutectic growth lea - ding phase from eutectic silicon to α - aluminium .

对试件进行预极化不但可以增大Em值和Eb值，并且使亚稳孔形核数目降低，也降低了亚稳孔的峰值电流，延长了亚稳孔的寿命。

As the sample was pre-polarized , Em and Eb shifted positively , the number of metastable pits droped and the value of peak current decreased , the life time of metastable pits shortened .