冷却曲线

Based on the non-isothermal transformation theory and non-steady state nucleation theory, a new method for calculating the continuous cooling transformation curve and the critical cooling rate of bulk metallic glass alloys is put forward in this paper.

在非等温转变理论以及非稳态形核理论基础上提出了计算大块非晶合金连续冷却转变曲线和临界冷却速率的新模型，以用于评估合金的非晶形成能力。

27SiMn steel ; continuous cooling transformation curve ; cooling rate ; microstructure ; hardness

27SiMn钢；连续冷却转变曲线；冷却速度；组织；硬度

By determining the thickness of the vapor blanket, the minimum height of the derivational cone and maximum gap of the isolation bank were also determined.

用测算出的蒸汽膜厚度值解释了淬火介质的冷却特性曲线上油性介质在蒸汽膜阶段的冷却速度比水性介质的约大一倍的原因。

CCT curve s of 450 MPa and 550MPa high strength weathering steel were studied by gleeble1500 hot simulator and DT-1000 dilatometer.

采用Gleeble1 5 0 0热模拟试验机及DT 1 0 0 0膨胀仪研究了 4 5 0MPa和 5 5 0MPa级高强耐候钢的连续冷却转变曲线，分析了不同变形及冷却工艺条件下高强度耐候钢的金相组织类型。

CCT curves of 450 MPa and 550MPa high strength weathering steel were studied by gleeble1500 hot simulator and DT-1000 dilatometer.

采用Gleeble1 5 0 0热模拟试验机及DT 1 0 0 0膨胀仪研究了 4 5 0MPa和 5 5 0MPa级高强耐候钢的连续冷却转变曲线，分析了不同变形及冷却工艺条件下高强度耐候钢的金相组织类型。

The main results were summarized as follows: 1 With the increase of cooling rate, full recrystallization during cooling became difficult to take place and the decrease in dislocation density became slow so that dislocation density in austenite remains higher before phase transformation occurred. 2 Compared with undeformed samples, the CCT diagram under deform conditions has a similar shape, but its position shifts leftwards.

计算结果表明：1随着冷却速率增大，低碳钢热变形后的冷却过程中再结晶变得越来越困难，位错密度的下降变慢，导致在相变前奥氏体中保留着较大的变形存储能；2奥氏体在经历热变形后的CCT曲线与未变形条件相比，明显向左上方偏移。

The normal overload can be used frequently , its permissible value shall be determined according to the load curve of the transformer, the temperature of cooling medium and the load of the transformer before the overload takes place, etc.; The characteristic curve of overload of the transformer shall be supplied by the manufacturer.

正常过负荷可以经常使用，其允许值根据变压器的负荷曲线、冷却介质的温度以及过负荷前变压器所带的负荷等来确定；制造厂家提供变压器的过负荷特性曲线。

The CCT curve s under deformed and undeformed conditions were obtained by way of thermal dilation and metallography.

用 Gleeble-1500型热力模拟试验机研究了含钛高强度钢变形奥氏体在连续冷却过程中的相变规律，用膨胀法结合金相法建立了该钢变形和未变形奥氏体的连续冷却转变曲线，并探讨了该钢的热轧可行性。

The paper deals with the continuous cooling transformation of deformed and undeformed austenite for SBL microalloyed engineering steel , and the CCT diagram has been obtained as well.

研究了SBL 非调质钢奥氏体连续冷却转变，获得了试验用钢形变与未形变奥氏体的连续冷却转变曲线。

Thermoprproperties of 7 nucleators -CaCl2·6H2O composites such as borax, SrCl2·6H2O,Ba2·8H2O were researched with gradually cooling method and TGA-DSC under room temperature cooling,open system and icewater cooling, closed system.

用步冷曲线法和TGA-DSC联用研究了室温冷却开放体系和冰水浴冷却封闭体系两种工况下硼砂、SrCl2·6H2O、Ba2·8H2O等7种成核剂-CaCl2·6H2O复合体系的储热性能，探讨了工业级CaCl2·6H2O原料中主要杂质NaCl和MgCl2对成核剂成核作用的影响。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。