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   平均冷却速度 的翻译结果: 查询用时:0.32秒
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平均冷却速度
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  average cooling rate
     The cell spacing measured is about 0.2 μm The average cooling rate calculated is 10~6℃/s.
     测得晶胞间距约0.2μm。 算得其平均冷却速度为10~6 °C/S。
短句来源
     The results show that the average cooling rate of the bainite microstructure at 800℃~500℃ are 0 5℃/s~10 0℃/s.
     结果表明 ,该钢在 80 0℃~ 5 0 0℃获得贝氏体组织的平均冷却速度为 0 5℃ /s~ 10 0℃ /s ;
短句来源
  average cooling speed
     the highest temperature is at 10-15mm below the roll's surface layer, and the average cooling speed is found to be1. 9℃/s at 20mm from inside roll's surface layer.
     在轧辊辊面之下20mm处的平均冷却速度为1.9℃/s。
短句来源
     The simulation results show that while coiling temperature being 660~680 ℃, the average cooling speed at centre of coil is only 0.04 ℃/s, very far lower than critical cooling speed 0.1 ℃/s to occur carbides isolation eutectoid, so the deep-drawing properties of coil sharply decrease.
     模拟结果表明 ,卷取温度为 6 6 0~ 6 80℃时卷材心部平均冷却速度仅为 0 0 4℃ /s ,远远低于出现碳化物离异共析的临界冷却速度 0 1℃ /s,使卷材深冲性能急剧降低。
短句来源
     In the condition of controlled cooling of H-beam with thickness of 30.5? mm,its average cooling speed can reach up to 30? ℃/s and the yield strength can be increased by over 50?
     结果表明 ,厚度为 30 .5mm的H型钢经过控冷 ,平均冷却速度最大可达 30℃ /s ,屈服强度可提高5 0MPa以上。
短句来源
  “平均冷却速度”译为未确定词的双语例句
     but non stoichiometric ferrous oxide expressed as Fe 1- x O or Wustite of n (O)/ n (Fe) in the range of 1.045- 1.111 may be obtained only when the cooling rate of molten materials is more than 20 ℃/min by molten method at atmosphere.
     在 1 .0 4 5 平均冷却速度大于 2 0℃ /min时 ,可以制取非化学计量比的氧化亚铁 Fe1 - x O,即维氏体 .
短句来源
     ③ The cooling rate for the droplets with diameter 10~220 μm can reach up to 10~4K/s.
     ③在0~0.2m的雾化距离内,直径为10~220μm的耐热铝合金熔滴平均冷却速度可以达到104K/s以上.
短句来源
     The results show that, with the droplet size decreasing, the average quenching velocity increases and the growth time, size and volume fraction of primary Si decrease.
     结果表明:随着雾化合金液滴尺寸的减小,平均冷却速度增加,而初生Si相长大时间减少,所析出初生Si相的尺寸及体积分数也不断减小;
短句来源
     in different regions of the ingots were calculatedand discussed. It was found that the macrostructure of ingots, the size and distribution of nonmetallicinclusions and carbides, and the dendritic microsegregation were closely related to the local averagecooling rate R_r. On making a remelting program attention should be paid to selecting a high coolingrate.
     根据S_Ⅱ计算和讨论了各锭中不同部位的平均冷却速度R_r,两相区间距X_r, 局部凝固时间t_r及该区的温度梯度G_0发现钢锭的宏观结构,锭中非金属夹杂物和碳化物的尺寸及分布,以及枝晶的微观偏析与锭中局部平均冷却速度R_r密切关联,在制定重熔冶炼参数时,要注意提高锭中冷却速度。
短句来源
     The results show:① The smaller droplets quench down at relatively higher cooling rate during their flight;
     计算结果表明:①小直径熔滴在飞行过程中的平均冷却速度较大,其凝固可以在较短时间内完成;
短句来源
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  相似匹配句对
     2. increasing cooling velosity;
     2.提高冷却速度;
短句来源
     APPLICATION OF VSP AVERAGE VELOCITY
     VSP平均速度的应用
短句来源
     Speed Control Theory and Application
     浅析平均速度控制理论
短句来源
     Computation of Chilling Rate for Mechanically Refrigerated Vehicle
     机械冷藏车冷却速度计算
     the highest temperature is at 10-15mm below the roll's surface layer, and the average cooling speed is found to be1. 9℃/s at 20mm from inside roll's surface layer.
     在轧辊辊面之下20mm处的平均冷却速度为1.9℃/s。
短句来源
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  average cooling rate
For the Maraging 300 alloy the relationshipd=39.8ε-0.30 between secondary dendrite arm spacing,d, and local average cooling rate,ε, is established.
      
An electron-beam melting and centrifugal splat-quenching technique for the production of microflakes of Ti-6A1-4V (wt%) alloy quenched at an average cooling rate of about 105 K sec-1 is described.
      
The effect of substrate angle on the shape, size, microstructure and average cooling rate of the flakes of major sieve fractions is discussed.
      
Microstructural features indicated that the Osprey process provided rapidly solidified material with an average cooling rate of 103 to 104 Ksec-1.
      
As the average cooling rate increased, the lath size and internal stringer-carbide size in the upper bainite were larger, and retained a somewhat increased austenite content.
      
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Some essential characteristics during solidification of GCr15 remelted by ESR, EBR and VARare analysed and compared in the paper. The dendritic secondary arm spacings S_Ⅱ were measuredfor the three ingot types. S_Ⅱ (ESR) is 60-102μ; S_Ⅱ (VAR) is 54-120μ; S_Ⅱ (EBR) is 70-132μ. Basedon S_Ⅱ, the local average cooling rate, R_r; the distance of the mushy zone, X_r; the local solidifi-cation time, t_r; and the temperature gradient, G; in different regions of the ingots were calculatedand discussed. It was found that...

Some essential characteristics during solidification of GCr15 remelted by ESR, EBR and VARare analysed and compared in the paper. The dendritic secondary arm spacings S_Ⅱ were measuredfor the three ingot types. S_Ⅱ (ESR) is 60-102μ; S_Ⅱ (VAR) is 54-120μ; S_Ⅱ (EBR) is 70-132μ. Basedon S_Ⅱ, the local average cooling rate, R_r; the distance of the mushy zone, X_r; the local solidifi-cation time, t_r; and the temperature gradient, G; in different regions of the ingots were calculatedand discussed. It was found that the macrostructure of ingots, the size and distribution of nonmetallicinclusions and carbides, and the dendritic microsegregation were closely related to the local averagecooling rate R_r. On making a remelting program attention should be paid to selecting a high coolingrate.

本文分析和对比了ESR、EBR、VAR三种重熔方法在GCr15钢凝固过程的一些基本特性。测量了这三种重熔锭中各部位树枝晶的二次轴间距S_Ⅱ。测得S_Ⅱ(ESR)为60~102μ;S_Ⅱ(VAR)为54~120μ;S_Ⅱ(EBR)为70~132μ。根据S_Ⅱ计算和讨论了各锭中不同部位的平均冷却速度R_r,两相区间距X_r, 局部凝固时间t_r及该区的温度梯度G_0发现钢锭的宏观结构,锭中非金属夹杂物和碳化物的尺寸及分布,以及枝晶的微观偏析与锭中局部平均冷却速度R_r密切关联,在制定重熔冶炼参数时,要注意提高锭中冷却速度。

Melt-spun Ti-modified 316L stainless steel ribbon exhibits a ty- pical rapid solidification microstructure and homogenious chemical composition. The microstructure consists of fine-scale columnar and equiaxed grains.The cell spacing measured is about 0.2 μm The average cooling rate calculated is 10~6℃/s. A region of featureless microstructure exists,indicating a high undercooling during solidification.The nucleation undercooling calculated is about 200 K.

熔液自旋含钛奥氏体不锈钢 316L 薄带具有典型的快速凝固结构和均匀的化学成分。显微结构由细小柱晶和等轴晶构成。测得晶胞间距约0.2μm。算得其平均冷却速度为10~6 °C/S。结构中有一无特征区域,说明凝固时的过冷度较高,算得其形核过冷度约200K。

Some cooling curves of carbon steel (0.45 %C) with various cooling rate have been obtained by unidirectional solidification model experiment in this paper The average cooling rate during solidification is gotten from the measured cooling curves of some specimens. The influence of cooling rate on secondary dendrite arm spacing has been examined. It is fo und that secondary dendrite arm spacing S2 of ;he specimens is determined by the average cooling rate R. The relationship between S2 and R for carbon steel (0.45%...

Some cooling curves of carbon steel (0.45 %C) with various cooling rate have been obtained by unidirectional solidification model experiment in this paper The average cooling rate during solidification is gotten from the measured cooling curves of some specimens. The influence of cooling rate on secondary dendrite arm spacing has been examined. It is fo und that secondary dendrite arm spacing S2 of ;he specimens is determined by the average cooling rate R. The relationship between S2 and R for carbon steel (0.45% C) is S2 = 727R-0.41.

本文利用可控平均冷却速度的单向凝固实验炉测定了45号钢在不同平均冷却速度下的冷却曲线,由此得到其在凝固期间的平均冷却速度R,相应地测量了不同平均冷却速度下试样的二次枝晶臂间距S_2,通过回归,得到了如下关系式:S_2=727R~(-0.4t),并将此式成功地应用于实际生产中。

 
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