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rapid cooling zone
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     NiAl/Cr(Mo) eutectic alloy prepared by electromagnetic centrifugal casting (EMCC) has fine-lamellar eutectic microstructure, which consists of rapid cooling zone dominated by primary β-NiAl, eutectic zone of β-NiAl and β-Cr(Mo), and hypoeutectic zone of primary β-NiAl and β-NiAl/α-Cr(Mo) eutectic.
     利用电磁离心铸造(EMCC)工艺制备NiAl/Cr(Mo)共晶合金,研究了合金的显微组织和压缩性能. 结果表明, 合金显微组织细小,由激冷区、共晶区和亚共晶区组成.
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  相似匹配句对
     MDD MODEL AND RAPID COOLING EVENTS
     MDD模式与快速冷却事件
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     Advances in Research of Myocardial Rapid Cooling Contracture
     低温保护时心肌快速冷挛缩的研究进展
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     Laser Cooling
     激光制冷
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     With the rapid development of the
     愿本文能为《公司法》的修改稍尽微薄之力。
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     It is rapid, simple.
     本法出结果快、操作简便。
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In this paper the influences of cooling condition comprising initial temperature, finish temperature and cooling velocity at a rapid-cooling zone were described on the mechanical properties of hot-rolled strip. Three new cooling control ways were suggested based on the industrial experiments. By means of simulated tests and metallographical analyses, the authors discussed the mechanism that affects the strength of the hot-rolled strip by different ways of cooling, pointed...

In this paper the influences of cooling condition comprising initial temperature, finish temperature and cooling velocity at a rapid-cooling zone were described on the mechanical properties of hot-rolled strip. Three new cooling control ways were suggested based on the industrial experiments. By means of simulated tests and metallographical analyses, the authors discussed the mechanism that affects the strength of the hot-rolled strip by different ways of cooling, pointed out the necessary conditions of widmanstatten formation and the influences of needle-ferrite on the properties of the hot-rolled strip. Ali these investigations have improved the original laminarflow-cooling model for the continuous hot rolling.

本文阐述了层流冷却情况下,热轧带钢急冷开始温度、终了温度及冷却速度对其性能的影响。在生产试验的基础上提出了三种新的控制冷却方式,通过模拟试验和金相分析,作者探讨了不同冷却方式影响带钢强度的机理;提出了形成魏氏组织的必要条件;阐述了针状铁素体对带钢性能的影响。这些工作完善了原来的热连轧层流冷却控制模型。

NiAl/Cr(Mo) eutectic alloy prepared by electromagnetic centrifugal casting (EMCC) has fine-lamellar eutectic microstructure, which consists of rapid cooling zone dominated by primary β-NiAl, eutectic zone of β-NiAl and β-Cr(Mo), and hypoeutectic zone of primary β-NiAl and β-NiAl/α-Cr(Mo) eutectic. Compressive behavior of the alloy at 1000℃ follows the power law: ε=Aσn The main fracture mechanism at room temperature is cleavage in NiAl matrix and stripping at the NiAl/Cr(Mo) interface.

利用电磁离心铸造(EMCC)工艺制备NiAl/Cr(Mo)共晶合金,研究了合金的显微组织和压缩性能.结果表明, 合金显微组织细小,由激冷区、共晶区和亚共晶区组成.激冷区以初生β-NiAl相为主,共晶区由β-NiAl和α-Cr(Mo)相构成,亚共晶区由初生β-NiAl和β-NiAl/α-Cr(Mo)共晶组成. EMCC NiAl共晶合金1000℃压缩行为遵从幂指数规律: ε=Aσn.合金的室温断裂方式以基体NiAl的解理断裂和NiAl/Cr(Mo)的相界面剥离为主.

 
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