1) undercooling
过冷度
1.
The microstructure evolution of a Fe-Ni-P-B soft magnetic alloy solidified at different undercooling;
过冷度对Fe-Ni-P-B软磁合金凝固组织的影响
2.
Undercooling and Structure of Germanium Superheated under the Slag Consisting of Soda-lime Glass and B_2O_3;
锗在熔融玻璃中循环过热后的凝固过冷度及组织特征
3.
Theoretical study on the homogeneous nucleation undercooling of metal;
影响金属匀质形核过冷度的因素
2) Supercooling
[英][,su:pə'ku:l] [美][,supɚ'kul]
过冷度
1.
Effects of Electric Current on Supercooling of Melting Metal;
电流对金属熔体过冷度的影响
2.
Impact of nucleating agent on supercooling of low temperature phase changed material;
成核添加剂对低温相变蓄冷材料过冷度的影响研究
3.
Experimental research on low supercooling of ice storageand analysis of its energy saving;
低过冷度冰蓄冷溶液的实验研究及节能效益分析
3) degree of supercooling
过冷度
1.
The size of grain during metal crystallization depends on volume nucleation rate and grown linear velocity on the grain surface ,but nucleation rate and grown linear velocity mainly depends on the degree of supercooling of liquid phase.
金属结晶时晶粒的大小取决于体积形核率和晶体表面长大线速度的相对大小,形核率与长大线速度的大小主要取决于液相的过冷度。
2.
It found out that main causes of the fluctuation were effect of degree of supercooling of liquid nitrogen.
介绍了粗氩塔和精氩塔的工况调整,分析了精氩塔内波动的原因,最终确认引起精氩塔波动的主要原因是液氮过冷度的影响,进行调整后,达到了稳定的工况。
3.
The degree of supercooling of condensate influences greatly the safe and economic operation performance of units.
凝结水过冷度对机组的安全和经济运行有重要的影响。
4) supercooling degree
过冷度
1.
Experimental study on reduce supercooling degree of ice storage solution using nucleation additive;
成核添加剂减小冰蓄冷溶液过冷度的实验研究
2.
To examine possible relations between freezing properties and the number of hydroxyl groups in solute molecules, a differential scanning calorimeter was employed to study the thermal behaviors of polyalcohols aqueous solution, such as supercooling degree of heterogeneous nucleating temperature, hydration properties, glass transition.
过冷度和未冻水含量在低浓度时没有明显的规律性;而在中高浓度则具有相同的变化规律:随着溶液浓度的增大而增大。
3.
In this paper, the solidification microstructure evolution of the single-phase Cu-Ni alloy, which has thermodynamic supercooling degree of 63～292K, is investigated.
研究了63～292K热力学过冷度范围内,Cu-Ni单相合金的凝固组织演化规律,分析了负温度梯度熔体凝固过程中的形核与再辉行为。
5) super-cooling degree
过冷度
1.
From the influence of high density pulse electric current on nucleation ratio, super-cooling degree and thermal effect of aluminum crystal, the theoretic analysis on grain refinement by high density pulse electric current were made.
从高能量密度脉冲电流对纯铝结晶的形核率、过冷度和热效应三个方面的影响,对高能量密度脉冲电流细化晶粒的机理做了深入分析。
2.
The results show that the nanofluid has remarkably lower super-cooling degree, and that the cool storage capacity of the nanofluid is larger than that of BaCl2 solution during the same time.
结果表明,加入纳米TiO2粉体后,可降低BaCl2溶液的过冷度;在同样时间内,纳米流体的蓄冷量要大于BaCl2溶液。
3.
According to classical solidification theory and the mechanism of solidification microstructure under pulse current,the effect of super-cooling degree variation on nucleation rate was discussed.
通过讨论过冷度的变化对形核率的影响,研究了电流产生的电磁力效应及焦耳热效应对过冷度的影响,建立了电流与过冷度的关系式。
6) subcooling degree
过冷度
1.
It is found that the subcooling degree possess a great effect on the noise level and frequency.
从理论上分析了蒸汽在水下有限空间内喷注时,喷注噪声的噪声源和辐射规律,发现水的过冷度对噪声的声压级和频率影响非常显著,这一发现已被随后的实验所证实。
2.
It is found that the subcooling degree has a great effect on the noise level and frequency.
从单个汽泡在过冷水中的振动方程出发，导出了汽泡破裂时噪声辐射的数学模型；从理论上分析了蒸汽在水下有限空间内喷注时喷注噪声的声源和辐射规律，并发现水的过冷度对噪声的声压级和频率影响非常显著，这一发现已被随后的实验所证实。
3.
N_butonol as surfactant is added into water to eliminate subcooling degree and gas hydrate porosity.
本文研究了间接接触蓄、放冷模式下，蓄冷罐内状态点在相图上的变化情况，得出了蓄、放冷过程中蓄冷罐内各层之间的传热特性数据，以及表面活性剂（正丁醇）的加入对蓄、放冷过程中的过冷度、气体水合物疏松度的影响，模拟了实用气体水合物蓄冷系统的蓄、放冷过程。
补充资料：过冷奥氏体转变
过冷奥氏体转变
transformation of undercooled austenite
有碳的扩散过程，是一种过渡型转变(见贝氏体转变)。 过冷奥氏体的珠光体转变是扩散型的相变，具有孕育 期，在此时期内过冷奥氏体没有发现任何转变的形迹。 孕育期保证了奥氏体过冷的可能性。如果保温时间足 够，则珠光体转变便进行到奥氏体分解完为止(见珠光 体转变)。约在500~600℃时，碳素钢的孕育期最短， 珠光体转变速度最快，高于或低于此温度孕育期就增 长了，珠光体转变速度也缓慢了。已过冷到超过孕育期 最短点的过冷奥氏体，即使较缓慢冷却也能到达马氏 体转变点Ms，共析碳素钢这一温度约在220℃左右， 当过冷奥氏体到达这一温度时，开始发生马氏体转 变。 这三类产物由于组织结构上的差异，具有不同的guoleng aoshitizhuanbian性能·在常压条件下，这三类产物的形成温度、时间和过冷奥氏体转变(t ransformati。。。f。nder一转变量，反映出钢材热处理的基本规律，即过冷奥氏体裂霜篡覆霎乙下日笔黔骂篡’裳纂若子置石彝彭，甚翼客幕荪获菜萎再品董霎童益、__.‘_.__，，一，、，_.、，一_，，、，、，一_，，.、句功r。J二七:万)上川r:i暑域然薰彝萝粼纂·撰畏髦黔篡霜盟篡馨咒态郡发生固态相变。只有当转变使体系一的自由能降低的情况下，体系才能从一个肤汁兴未黑住斗芒书豁陀井瓷十洲状态自发地转变到另一个状态。l，‘。，l~‘“】““71 11’一“11一‘“l一勺冬秘;体转变之间，即过冷奥氏体在中间温度转时间八变的产物为贝氏体。贝氏体的形成机构介二。比、卜、、l，、、。，**一一吧。，图1共析碳钢讨冷班氏休等谋转夺瀚终的关系曲线图。图上的曲线实际为时间、温度、转变曲线(time temperature transformation。urve)简称TTT曲线。因其形状与字母C相似，又称C曲线。测绘等温转变图有膨胀法、磁性法、电阻法和热分析法等。为分清转变产物的类型，正确测定时，一般均以金相一硬度法予以配合。图1为共析碳素钢的等温转变曲线。过冷奥氏体(A)随着过冷度不同，发生转变的孕育期亦不同。
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