过冷
- supercooling;subcooled;undercooling
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电磁搅拌对Fe-C共晶合金石墨片间距与过冷度的影响
Influence of induction stirring on Fe-C eutectic lamellar spacing and supercooling
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本文报道了在710℃下AlxGa(1-x)As过冷式液相外延的短时间生长特性。
Growth properties of Al_xGa_ ( 1-x ) As by short-time LPE with supercooling regime at 710 ℃ are reported .
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Al-45%Cu合金的熔剂净化与过冷
Purification and supercooling of Al-4.5 % Cu alloy
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用CA方法模拟过冷熔体中自由树枝晶的生长
Numerical simulation on free dendrite growth in undercooled melt using cellular automaton method
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过冷及非晶态Cu扩散性质的分子动力学模拟
Molecular dynamics simulations of diffusion properties of Cu in supercooled liquid and amorphous state
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过冷Ni(50)Cu(50)合金的二次枝晶间距
Secondary arm spacing of undercooled ni_ ( 50 ) cu_ ( 50 ) alloy
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过冷Fe(75)Ni(25)合金晶粒细化机制的研究
Research on grain refinement mechanism in undercooled fe_ ( 75 ) ni_ ( 25 ) alloy
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玻璃净化剂组分对Cu(50)Ni(50)合金熔体过冷度稳定性的影响
Effect of glass composition on undercooling stability of Cu_ ( 50 ) Ni_ ( 50 ) alloy melts
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直拉法生长的YAG单晶体中组分过冷引起的针状应力区和位错
The needle-like stress zones and dislocations due to constitutional supercooling in Czochralski METHOD-GROWN YAG SINGLE CRYSTALS
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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 .
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对等温面,CHF随过冷度的增加而增加。
For uniform temperature surface , the CHF increases with the subcooling .
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测量了Ge、Ag等样品过冷态的比热。
The specific heat of undercooled samples , such as Ge , Ag , etc. was measured .
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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 .
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SiO2涂层结构对Cu(70)Ni(30)熔体过冷遗传性的影响
The Effect of SiO_2 Coating Structure on Undercooling Heredity of Cu_ ( 70 ) Ni_ ( 30 ) Melts
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HTS电缆过冷液氮冷却系统
Cryogenics system with the sub - cooled liquid nitrogen for cooling HTS cables
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对Al-4.5%Cu合金在纯石黑坩埚中用卤盐熔剂净化后的过冷度及其在金属锭模中的凝固组织特征进行了研究。
The undercooling and structure of the Al-4 5 % Cu alloy denucleated by the chloride flux in a fine graphite crucible is studied in this paper .
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Ti的复合添加,提高了过冷奥氏体的稳定性,使相变温度降低,有利于得到细小的组织。
The stability of austenite is enhanced by the co-addition of V and Ti , which decreases transformation temperature and results the refinement of microstructure .
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当冷凝温度相同时,2种制冷剂的COP、单位体积制冷量随过冷度的增大而增大。
In addition , COP and volumetric refrigerating capacity increased with increasing subcooled temperature at the same condensation temperature .
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稀土轨钢过冷奥氏体转变机理及CCT曲线的预测方法
Supercooled Austenite Transformation Mechanism of Rare Earth Microalloy Rail Steel and Method of Predicting CCT Diagram
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玻璃组分与Cu-Ni熔体过冷稳定性
The Effect of Glass Composition on the Undercooling Stability of Cu Ni Melts
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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 ) .
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本文报告了使用R-12作工质进行的自然循环过冷沸腾起始点和净蒸汽产生点的实验结果。
This paper reports the experimental study of onset of subcooled boiling and point of net vapor generation in a natural circulation system with subcooled boiling . Freon-12 was used as the working medium .
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并且,过冷度(TEN-TEU)越大,则产生石墨畸变和晶间碳化物的程度也越严重。
And the greater undercooling ( TEN-TEU ) is measured , the more seriously degeneration of normal spheroidal graphite and intercellular carbides are obtained .
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脉冲电场对Pb-Sn合金熔体过冷度变化的影响
Effect of Pulse Electric Field on Undercooling Degree of Molten Pb-Sn Alloy
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β′-Gd2(MoO4)3晶体生长中的过冷现象研究
Study On Supercooling during the Growth of β′ - Gd_2 ( MoO_4 ) _3 Crystal
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Zr43Cu50Al7非晶合金的过冷液相区ΔTx达76.2K,具有较强的玻璃形成能力。
The amorphous alloy possesses a higher glass forming ability with temperature of supercooled liquid region up to 76.2 K.
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在相同的过冷度ΔT下,PET,PTT和PBT的结晶能力依次增强。
At the same undercooling degree (Δ T ), the crystallization capability of the three polyesters increase in a sequence of PET , PTT and PBT .
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本文介绍了一套自行设计和组装的、高温热台显微镜实验装置,建立了一套高温溶液饱和点及自发成核温度测定法,测定了KTP一磷酸盐熔液溶解度曲线和过冷度曲线。
A set of high temperature microscope experimental apparatus designed and assembled by the authors has been described in this paper .
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催化试验结果表明,在过冷雨水的累积区内播撒AgI粒子能取得较好的防雹效果。
The seeding experiment shows that AgI seeding in the accumulation zone can suppress hail formation .
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从价电子结构导致的短程偏聚讨论了过冷奥氏体等温转变时Cr、Si对C-曲线的影响。
According to the short range segregation due to the valence electron structure , the effect on the C-curVe by elements Cr 、 Si during isothermal transformation of the over cooling austenite is discussed .