• Compound modification; Direct quenching; Composites; Solidification microstructure; Mechanical properties.

    复合变质;直接淬火;复合材料;微观组织;力学性能。

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  • This distribution is helpful to understand refining effect of pulsed magnetic field on solidification microstructure.

    这种分布特性有助于了解脉冲磁场对金属凝固组织的细化作用。

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  • The effect of withdrawing rate on the solidification microstructure of a single crystal superalloy DD6 was investigated.

    研究了不同的抽拉速率对第二代单晶高温合金dd 6凝固组织的影响。

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  • The effects of slope length and vibration voltage on the solidification microstructure of the alloy were also researched.

    研究了斜坡长度和振动电压对合金凝固组织的影响。

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  • The mechanism that the solidification microstructure can be refined by pulse current treatment is primary pulse current induced nucleation.

    脉冲电流对金属凝固组织的作用机理主要是脉冲电流诱发形核机制。

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  • In this paper, zinc alloy solidification and the influences of solidification microstructure to the macroscopic mechanical properties were presented.

    本文介绍了锌铝合金的凝固特性,以及凝固微观组织对宏观机械性能的影响。

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  • The recent progress on the research of the mathematical model of casting process and solidification microstructure for twin-roll strip cast is discussed.

    综述了近年来双辊薄带连铸过程与凝固组织数学多场耦合模型的研究进展。

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  • Through these studies, consults can be provided for the study of the effect of strong electromagnetic field on the solidification microstructure of alloy.

    为进一步研究强脉冲电磁场对合金凝固组织的影响提供参照。

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  • The solidification microstructure of some alloys can be remarkably refined under the applied strong pulsed magnetic field. This is a new arisen technology with wide prospect.

    在强脉冲磁场作用下,合金凝固组织可以得到显著细化,这是一种新出现的前景十分广阔的新工艺。

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  • Two principles of the phase field method are introduced, and the application of the phase field method for numerical simulation of solidification microstructure is expatiated.

    介绍了相场方法的两种基本原理,阐述了相场方法在金属凝固过程微观组织形成模拟中的应用情况。

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  • SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.

    [4] 宋佳佳, 郭德燕,邓超,等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程, 2013,42(4):756-760。

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  • The effect of ultrasonic degassing under different time of A356 Aluminum alloy is studied by using vacuum decompress test, and the effect of ultrasonic field on the solidification microstructure.

    以a356合金作为实验材料,通过真空减压试验考察超声场对金属气体去除效果的影响,研究超声场对铝合金凝固组织的影响。

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  • According to classical solidification theory and the mechanism of solidification microstructure under pulse current, the effect of super-cooling degree variation on nucleation rate was discussed.

    通过讨论过冷度的变化对形核率的影响,研究了电流产生的电磁力效应及焦耳热效应对过冷度的影响,建立了电流与过冷度的关系式。

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  • The main methods and present status for solidification microstructure in numerical simulation were introduced and reviewed. The problems to be faced and developing tendency in the field were proposed.

    介绍了主要的凝固微观组织数值模拟方法,评述了铸件凝固微观组织数值模拟的研究现状,指出了该领域目前面临的问题和未来发展趋势。

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  • Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.

    利用阶梯型腔金属模和砂型模拟不同的冷却速度,研究了冷却速度对高硼钢凝固组织和性能的影响。

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  • Microstructure analysis results showed that, in the condition of rapid solidification, the second phase morphology of monotectic alloys transited from rods into particles.

    对合金的显微结构分析结果表明,在快速凝固条件下,偏晶合金中的第二相形态从带条状转变为颗粒状。

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  • But till now we haven't understood some factors that affect infiltration process and need to investigate microstructure of solidification more.

    但是目前对影响此工艺过程的因素和材料的凝固组织都缺乏深入研究。

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  • Numerical simulation of the microstructure formation during casting solidification is currently an active area of research frontiers in foundry technology.

    铸件凝固过程中微观组织形成的数值模拟研究是铸造学科前沿的研究课题。

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  • The microstructure characteristics and microsegregation of DD2 single crystal have been studied under ultra-high temperature gradient and rapid solidification conditions by laser rapid remelting.

    利用激光快速熔凝技术对DD 2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。

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  • The result shows that temperature-induced discontinuous liquid structural change affects the solidification behavior and microstructure remarkably.

    液-液结构转变对凝固行为和凝固组织产生了明显的影响。

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  • In this paper, the microstructure of Spent ion Exchange Resin ASC cement-solidification matrix was studied.

    研究了特种水泥(asc)树脂固化体的微观结构。

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  • In order to discuss the microstructure under slower cooling rate of as-cast AZ91D magnesium alloy, the slow solidification treatment was carried out.

    为了探讨AZ 91d镁合金在较慢凝固冷却速度下的组织,对其进行了缓慢凝固处理。

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  • The temperature gradient has a great effect on the microstructure in hyporapid solidification.

    温度梯度对亚快速凝固组织影响很大。

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  • The structures and properties of liquid metals and alloys do have a significant influence on solidification behavior, solidified microstructure and their final properties.

    液态金属的结构和性质对凝固行为、凝固组织以及材料最终的性能有重要的影响。

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  • Solidification characteristics and microstructure of squeezing castings with large ratio of height to diameter have been investigated by numerical simulation and experiments.

    铸件的凝固特性和组织直接影响铸件的力学性能,用计算机模拟和试验的方法研究了大高径比挤压铸件的凝固特性和凝固组织。

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  • The effects of the direct magnetic field treatment on the microstructure and electrochemical performances of hydrogen storage alloys during their solidification process were studied.

    研究了贮氢合金凝固过程中施加直流磁场处理对其组织结构和电化学性能的影响。

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  • Mathematical model of the microstructure as well as the mechanical properties of spheroidal graphite iron casting was researched on the basis of solidification and thermodynamics theories.

    根据结晶及相变动力学理论,建立了预测球墨铸铁件铸态组织及机械性能的数学模型。

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  • The influence of mechanical vibration is studied on SHS thermit combustion, ceramic solidification, as well as microstructure and properties of the static SHS process.

    研究了机械振动对SHS铝热燃烧、陶瓷凝固及复合管组织性能的影响。

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  • The effect of electron beam surface solidification treatment on microstructure of superalloy M38G and oxidation resisfance of solidified layer has been studied.

    采用电子束表面熔凝处理方法研究了电子束表面熔凝处理M38G高温合金熔凝层组织和熔凝层组织对高温氧化的影响。

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  • A brief introduction of techniques, microstructure and electrochemical properties of low cast hydrogen storage alloys prepared through near-rapid solidification strip cast.

    本文介绍了近快速凝固铸带技术制备低成本储氢合金的工艺、显微组织结构和电化学性能。

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