1) thermal diffusion activation energy
热扩散激活能
2) diffusion activation energy
扩散激活能
1.
The diffusion factors such as diffusion activation energy,diffusion constant and diffusion coefficient were obtained by measuring the thickness of boriding layers of T8 steel in different temperatures and times under microwave field.
测定了T8钢微波扩散渗硼层的厚度δ与渗硼温度及时间的关系,求出了微波渗硼的扩散激活能Q、扩散常数D0和扩散系数D。
2.
Using first-principles pseudo-potential plane wave method,the diffusion of Ru and Al in B2-RuAl alloy has been calculated in different situations,and scaled the chemistry reaction by using diffusion activation energy.
采用第一原理赝势平面波方法,计算B2-RuA l合金中Ru和A l在不同情况下的扩散,用扩散激活能有效地表述和研究其化学反应的难易。
3.
Moreover, the diffusion fac-tors such as diffusion activation energy and diffusion rate constant of the Q235 steel were analyzed with kinetics method according to the thickness of the boronized layers under different temperatures.
921×10-13m2/s,平均扩散激活能为134。
3) Activation energy
扩散激活能
1.
The activation energy and frequency factor were calculated by Arrhenius equation at different concentrations,the maximum values of the two parameters appear at y(Mo)≈35%.
结果表明:互扩散系数与浓度之间存在较强烈的依赖关系;杂质扩散系数可通过Vignes-Birchenall公式获得,并与Hall方法获得的结果进行比较,这两种方法得到的结果比较接近;采用Arrhenius方程获得不同浓度下的扩散激活能和频率因子,二者的峰值均出现在Mo摩尔浓度约为35%处。
4) diffusion energy
扩散激活能
1.
Study of diffusion energy of strain quantum well with thermal annealing
热退火中应变量子阱的扩散激活能的研究
5) diffusion activation energy QCd
扩散激活能QCd
1.
The Cd diffusion experiments under different Cd saturation pressures were designed to obtain the effective diffusion coefficient DCd and diffusion activation energy QCd of Cd in Cd0.
1Te(CZT)晶体中的有效扩散系数DCd与扩散激活能QCd,利用Cd在CZT晶体中的扩散特性,设计了在不同Cd压下对CZT的退火实验,推导出了晶体电阻率与Cd有效扩散系数之间的函数关系,经过计算,首次获得了在1073K,973K和873K温度时Cd原子在CZT晶体中的有效扩散系数DCd,分别为1。
补充资料:热扩散因素
分子式:
CAS号:
性质:符号为aT。定义式:aT=kT/xAxB,式中xA和xB为两物质的局部物质的量分数;kT为热扩散比。
CAS号:
性质:符号为aT。定义式:aT=kT/xAxB,式中xA和xB为两物质的局部物质的量分数;kT为热扩散比。
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