冷却速度是指单位时间内物体温度的减少量,在数学上是温度对时间的导数(dT/dt)。
冷却速度试验器 quenchometer
瞬时冷却速度 momentary cooling rate ; [机] instantaneous cooling rate
临界冷却速度 [冶] critical cooling rate ; critical cooling velocity ; VK
极限冷却速度 critical cooling rate ; criticing cooling ringested
下临界冷却速度 lower critical cooling rate
上临界冷却速度 upper critical cooling velocity
不同冷却速度下 Cooling rate under unequal
凝固冷却速度 Solidified Velocity
珠光体临界冷却速度 pearlite critical cooling rate
冷却速度和时间 Cooling rate and time
Peak b and c are sensitive to cooling rate.
其中,b峰和c峰对冷却速度敏感,晶粒尺寸越小,峰的强度越大。
参考来源 - 无钕稀土LPC系贮氢合金电极材料的开发研究The grain of armor steel can be refined by choosing different loading temperature and cooling velocity.
6、选择不同的加载温度和冷却速度可以达到组织细化的目的。
参考来源 - GY4装甲钢组织相变规律及力学性能提高研究By increasing the speed of cooling, the dendrite arm spacing of austenite, especially the secondary dendrite arm spacing, could be decreased evidently, which was advantaged to improve the synthetic mechanical properties.
冷却速度增加可明显减小初生奥氏体的枝晶间距,特别是二次枝晶间距的缩小,对提高中铬铸铁的综合力学性能非常有利。
参考来源 - 提高中铬铸铁综合性能的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
对陨石球粒质地的研究证实,它们的冷却速度相当快,短则几分钟,长则数小时,因此形成陨石球粒的高温活动肯定是局部的。
Study of the textures of chondrules confirms that they cooled rather quickly, in times measured in minutes or hours, so the heating events that formed them must have been localized.
认为冷却速度过快是产生冷裂纹的主要原因。
Fast cooling speed was the main reason of generating cold crackle.
花朵,草,树木和石头之类的物体的冷却速度比空气快。
Objects such as flowers, grass, wood and stone cool faster than the air around.
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