1) ultra-fast cooling
超快速冷却
1.
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%。
2.
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。
3.
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。
2) ultra fast cooling
超快速冷却
1.
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。
2.
Using the finite difference method,the range of average heat transfer coefficient of overall convection during ultra fast cooling(UFC) is given.
采用有限差分数值计算方法,确定了热轧带钢实现超快速冷却的综合对流换热系数范围,对于厚度为3~4 mm的带钢,实现300~400℃/s超快速冷却速率所需的带钢表面对流换热范围约为(4~8)kW/(m2。
3) ultra-rapid cooling
超快速冷却
1.
A kind of ultra-rapid cooling experimental system for small sample was designed and developed.
研制了一种用于小样品在低温冷却介质中实现超快速冷却的实验台。
4) ultra fast cooling
超快冷却
1.
Temperature field under ultra fast cooling (UFC) is simulated by finite-difference method.
从导热微分方程数值差分解法入手,对轧件在粗轧和精轧之间进行超快冷却后的温度场进行了数值模拟·结果表明:当板坯初始温度为1200℃,经过6道次粗轧后,以3m/s的速度进入超快冷却区,当水冷换热系数为10kW/(m2·℃)时可以得到70℃/s的冷却速度;另外由于超冷后表面温度的强烈回复,故在进行精轧时,必须进行温度修正,保证轧件在精轧区开轧温度的精度
5) fast cooling
快速冷却
1.
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。
2.
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。
3.
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。
6) rapid cooling
快速冷却
1.
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
2.
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
3.
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。
补充资料:超超
1.谓超然出尘。 2.高高在上貌。 3.犹绰绰。 4.见"超超玄箸"。
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