Given the post-throttling pressure p 2,the refrigerating extent ΔT H is larger when the initial temperature is lower and the pressure is higher before throttling.
高压至低、中压空间的液氨等焓节流过程中 ,液氨的微分节流效应 ,μH=( T/ p) H>0 ,为制冷效应 ,积分节流效应的ΔTH 数值与节流前后的状态 (T、p)有关 ,当节流后压强p2 一定 ,节流前压强p1愈高 ,温度T1愈低时 ,冷却度ΔTH 就愈大 。
Influence of cooling velocity after coiling on the structure of high strength steel;
卷取后冷却速度对高强度热轧带钢组织的影响
The results show that,when cooling velocity increases,the beginning temperature and the finishing temperature of phase transformation are both decrease,the grain is obviously refined.
结果表明:随着冷却速度的增大,相变开始温度和结束温度均降低,晶粒明显被细化。
The effect of two cooling velocity on strain-aging sensibility of 16MnR hot rolled steel plate has been studied.
研究了2种冷却速度对16MnR热轧钢板应变时效敏感性的影响。
Effect of Cooling Rate on Structure Evolution of Hot Deformed Ferrite-Bainite Micro Alloying Steel;
热变形后冷却速度对铁素体-贝氏体微合金钢组织演变的影响
Eeffects of cooling rate on solidification structures of Al-Si-Cu sputtering targets;
冷却速度对Al-Si-Cu溅射靶材凝固组织的影响
Effects of Cooling Rate on the Microstructure and Properties of Cu-Cr Alloy;
冷却速度对Cu-Cr合金组织和性能的影响
In this paper,impact on phase transformation speed and formation produced by different cooling speed between 10k/min and 200k/min in the cooling process of steel T91 has been investigated.
本文研究了T91钢冷却过程中,不同冷却速度(10k/min(200k/min)对相变速度和产物的影响。
The test shows that the cooling speed affects the first arm-spacing and the second arm-spacing, and concluded that they are decreased, the fracture fractographies are improved, and the mechanical properties, especially the toughness, is obviously increased while the cooling speed increases.
试验表明,冷却速度增大,使奥氏体的一次二次枝晶间距缩小,断口形貌改善;并且可使材质的综合力学性能,特别是韧性明显提高。
To research the effect of different cooling speed on the microstructure and property of 9 mm high carbon steel wire rod by means of cooling control process and the experiments of microstructure and property and the simulated analysis.
通过控冷工艺、组织性能实验和模拟分析 ,研究了不同冷却速度对 9mm高碳钢线材组织性能的影响。
The product properties such as tensile strength and electric conductivity effected by cooling strength and deformation were studied.
选择AZ31镁合金为原材料,在400℃下挤压散热片型材,就冷却强度及变形程度对制品的性能(抗拉强度和导电率)及组织结构的影响进行研究。
Compounds in 7A52 alloy may not influence the processing property of product by means of three process parameters,such as,controlling the main element Mn in 7A52 alloy,and by aid of special moulding system and reasonably controlling cooling strength.
通过对7A52合金中的主要元素Mn等进行控制,辅以专门的供流系统,合理控制冷却强度等三大工艺参数,可以使7A52合金中的化合物不影响制品的加工性能,对提高制品的成材率有明显效果。
Because taking some measures,such as selecting hot air valve with reasonable structure,improving cooling system of hot air valve and increasing cooling strength of hot air valve,etc,the service life of hot air valve is increased greatly in the practical process of vapourizing cooling of hot air valve in NO.
莱钢第二炼铁厂在热风阀汽化冷却实践中，通过采取选用结构合理的热风阀，改进冷却系统，提高冷却强度等措施，使热风阀寿命大幅度提高。
critical cooling rate
马氏体临界冷却速度
Effect of Cooling Rate on the Microstructure in Steel Deoxidized by Ti
冷却速度对Ti脱氧钢凝固组织的影响
The Influence of Cooling Rate on the Modification Effect of A356 Aluminum Alloy
冷却速度对A356铝合金变质效果的影响
Simulation of Cooling Rate for CuFe15 Alloy by Single Roller Melt-spinning
单辊旋铸CuFe15合金的冷却速度模拟
Different Cooling Rate on the Impact of the Organization PQ600
不同冷却速度对PQ600组织的影响
Effect of annealing temperature and cooling rate on the properties of sol-gel derived ZnO:Al thin films
热处理温度及冷却速度对ZnO:Al薄膜性能的影响
RELATIONSHIP BETWEEN COOLING RATE AND SECONDARY DENDRITE ARM SPACING FOR STEEL No. 45
45号钢二次枝晶臂间距与冷却速度的关系
Study on the Influences of Cooling Rate on Solidification Microstrcture of Magnesium-Aluminum System Alloys;
冷却速度对镁—铝系合金凝固组织影响的研究
Influences of Deformation and Cooling Rate on the Microstructure Evolution of T91 Heat-resistant Steels;
变形和冷却速度对T91耐热钢组织形成的影响
Effect of Cooling Rate on the Structures and Properties of Multi-Microalloy Steel
冷却速度对多元微合金钢组织及性能的影响
Effects of neodymium and cooling rate on eutectic structure in AZ91HP magnesium alloy
Nd与冷却速度对AZ91HP镁合金共晶组织形貌的影响
Effect of cooling rate on the formation of acicular ferrite in Ti deoxidized steel
冷却速度对Ti脱氧钢中针状铁素体形成的影响
Microstructure of low carbon bainite steel at different cooling rate
低碳贝氏体钢不同冷却速度下的组织结构研究
STUDY ON MICROSTRUCTURES AND PROPERTIES OF VITREOUS TILES AFFECTED BY DIFFERENT COOLING RATES
冷却速度对砖坯显微结构及性能影响的研究
Effect of cooling rate on microstructure transformation in 30CrNi3MoV ultra-high strength steel
冷却速度对30CrNi3MoV超高强钢组织转变的影响
Influence by Cooling Velocity on Phase-change Law of 25MnV/P110 Oil Casing
冷却速度对25MnV/P110钢级石油套管相变规律的影响
Secondly, we can heat the steel above a certain critical temperature, and then allow it to cool at different rates.
其次，可以把钢加热到某一临界温度以上，然后再让它以不同的冷却速度冷却。
"The furnace is equipped with a high efficiency compact spray cooling device with high cooling capacity, high cooling rate and good uniformity, by which the length of the cooling zone is reduced. "
采用高效紧凑式喷射冷却装置,冷却能力大,速度快,冷却均匀,大大缩短了冷却段的长度