Fast cooling and ultra fast cooling experiments have been carried out on a Nb micro-alloyed steels.
通过对含Nb微合金钢控制轧制后,进行快速冷却+超快速冷却工艺的研究,得到了针状铁素体、板条马氏体及下贝氏体多相组织。
It showed that a fast cooling after drawing was of benefit to dimensional stability, straightness, environmental stress cracking resistance, and strength of the drawn tubes.
数据说明拉伸后的快速冷却有利于管的尺寸稳定和直线度改善。
When leakage occurs in the high pressure heater and the power unit is forced to shutdown for repair,fast cooling should be carried out by controlling outlet water from the dearator tank utilized with the level difference between the deaerator tank and the HP heater.
当高压加热器发生泄漏,机组被迫停运行进行故障抢修时,在原有热力系统设备的基础上,利用除氧器热水箱与高加标高的高度差,通过控制除氧器热水箱出水温度对高压加热器进行快速冷却。
Influence of rapid cooling and diffusion annealing on Sn-Bi-X solder;
快速冷却和扩散退火对Sn-Bi-X焊料的影响
The experiments have been carried out to carefully investigate precipitation of cemenhte from pure iron during rapid cooling.
结果表明：快速冷却不能完全抑制三次渗碳体的析出，且三次渗碳体的拆出形貌（颗粒状、条片状）取决于钢的含碳
in this paper,large section bearing steel bars are carried out the rapid cooling in the water coolers of turbulent tubes.
本文在现场湍流管式水冷器上对大断面轴承钢棒材进行快速冷却的基础上，研究了控冷后轴承钢的组织状态。
The characteristics of the precipitates in microstructures during accelerating cooling and continuous hot rolling process were analyzed,and the size,distribution and quantities of the particles such as TiS and Ti_4C_2S_2 etc.
利用透射电镜分析了铸坯连续快速冷却及热连轧过程Ti-IF钢中第二相粒子的析出行为特征,将TiS,Ti4C2S2等析出粒子的尺寸、分布及数量分别与传统工艺的析出物进行了分析比较。
The testing of producing 10～18mm gauges plate with recrystallization controlled rolling and accelerating cooling technology was simply introduced.
介绍了利用再结晶型控轧及快速冷却工艺 (RCR +ACC)生产厚 10～ 18mmQ34 5B中厚板的试验研究概况。
A lot of cracks and voids are generated in the brazing joint using quick cooling method,which decrease the strength greatly.
采用现有文献使用的充氮快速冷却的方式,导致钎焊接头产生了较多的裂纹和孔洞,使得强度降低;采用改进的缓慢冷却方式,即从钎焊温度到620℃,让其自由冷却,当炉中温度降到620℃时,向炉内充氮气并同时启动风机快速冷却。
An industrial experiment of developing 590MPa grade dual-phase hot strip steel using laminar cooling + ultra-fast cooling technology on Baotou CSP line was introduced in the present work.
以低C-Mn钢为原料,在包钢薄板坯连铸连轧生产线上,采用层流冷却和超快速冷却工艺,开发出厚度为4~11mm的590MPa级热轧双相钢;组织为铁素体+马氏体,马氏体体积分数为8%~12%;抗拉强度为590~620MPa,屈服强度为385~455MPa,断后总伸长率为30%~35%。
The key to the ultra-fast cooling system is to expand the water jet impingement zone of the hot strip surfaces.
分析了轧后加速冷却过程中带钢表面的局部换热机理,认为冷却系统实现超快速冷却的关键在于扩大带钢表面射流冲击换热区的面积。
The test dual-phase steel of 6mm thickness was produced by thin-slab continuous rolling and two stage cooling process,including of laminar and ultra-fast cooling;The mi- crostructures of the test dual-phase steel are ferrite and martensite,and the volume fraction of martensite is 12%.
介绍了在包钢CSP线上应用超快速冷却工艺开发540MPa级热轧双相钢的工业试验概况;以0。
The Application of Frequency Converter and PLC in High Building Water Supply;
200MW汽轮机组快速冷却优化研究
The Development of the Process Control System for Plate Accelerated Cooling
中厚板快速冷却工艺控制系统的开发
GCr15 Bearing Steel Produced by Super-Rapid Cooling Technology
用超快速冷却新工艺生产GCr15轴承钢
a kind of natural glass produced when molten lava cools very rapidly.
一种天然玻璃，由熔化的火山岩快速冷却形成。
Analysis of the Necessity of Installing A Fast Cooling Device for a Steam Turbine;
设置汽轮机快速冷却装置的必要性分析
Discussion for Quickly Cooling Pig Carcass by Two Steps
猪白条肉二阶段快速冷却中一些问题的探讨
The Controlling of Temperature Uniformity in Accelerate Cooling Control for Medium Plate
中厚板快速冷却过程中的温度均匀性控制
The Precise Synchrotron Spectrum of Fast Cooling Electrons and the GRB Prompt Emission
快速冷却电子的精确同步辐射谱与GRB辐射
The Influence of Micro Alloying and Fast Cooling after Rolling on Microstructures and Mechanical Properties of Hot Ribbed Bars;
微合金化配合轧后快速冷却对热轧带肋钢筋组织和性能的影响
Dentrite Study of Diopside-Albite-Anorthite System (Di-An-Ab) with Large Cooling-rate;
透辉石—钠长石—钙长石体系（Di-Ab-An）快速冷却结晶的枝晶研究
Rapid Cooling Preparation of Al-Cu-Zn System Alloy Material and Study on Microstructure Refinement
快速冷却制备Al-Cu-Zn系合金材料及其组织细化研究
dynamic hardening
快速加热冷却淬火法
Don't race the motor while it's cold.
马达冷却时不要快速空转它。
"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
The strip is cooled from heat treatment temperature to around 480 c with high efficiency spray cooling device quickly.
利用高效喷射冷却装置快速地将带钢从热处理温度冷却至480℃左右。
"In a refrigeration system, the cooling is produced as the rapid evaporation of the liquid refrigerant absorbs heat."
在冷冻系统中,液体冷冻剂快速蒸发而吸热产生冷却效果。
An effective and exact method was studied to mensurate chilling pork freshness.
应用快速、确的方法对冷却猪肉新鲜度进行测定。
Research of Rapid Evaporation Cooling Technology in the Mine Local Thermal Disaster
矿井局部热害快速蒸发冷却技术的研究
