• Water cooling circuits provide rapid, and directional solidification.

    水冷循环提供迅速定向凝固

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  • The production process for making poly silicon mainly includes directional solidification and casting methods.

    多晶硅制备工艺主要包括定向凝固法浇铸

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  • Directional solidification process is an important part that of the physical metallurgy of solar energy polysilicon.

    定向凝固工艺物理冶金法制备太阳能级多晶硅一个重要环节

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  • The relationship between the laser processing parameters and laser directional solidification morphology was analyzed by the model.

    根据计算分析了激光工艺参数激光定向凝固组织关系

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  • Some rules of computer numerical simulation for the directional solidification with steep temperature gradient have been found out.

    本文探讨大温度梯度铸件定向凝固过程数值模拟一些规律性

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  • It is very important to investigate and optimize the directional solidification process to obtain a high purity and integrated ingot.

    为了获得纯度完整硅锭探究优化定向凝固过程非常重要

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  • The temperature gradient in front of S/L interface was measured on Zone Melting Liquid Metal Cooling(ZMLMC) directional solidification apparatus.

    定向凝固区域熔化液态金属冷却固液界面前沿温度梯度进行了测定

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  • The influences of hysteresis and relaxation of melt superheat on the morphological stability of interface in directional solidification were described.

    熔体过热处理弛豫过程引起的不可逆过程使熔体状态变化出现滞后效应,从而影响定向凝固界面形态稳定性

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  • In the chapers that follows, the parameters of heat transfer are computed, the tendence of heat transfer about bi-directional solidification is obtained;

    下文,笔者通过传输量变化概算得出二维定向凝固的进行热传输量的要求趋势对于制定工艺有必要的);

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  • Have multiple non-vacuum and vacuum-melting equipment, mainly to the vacuum melting, directional solidification technology and the overall fine-grained technology.

    拥有台非真空真空熔炼设备真空熔炼为主,有定向凝固技术整体细晶技术。

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  • With directional solidification liquid quenching and definite quantity analysis of metallographic, this paper studied the micro solidification characteristic of ZA28.4 alloy.

    通过定向凝固淬试验金相定量分析研究了二元ZA2 8.4合金微观凝固特性

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  • Single-crystal casts are obtained with the technology of directional solidification, the reasonable technique is discussed and the growing process of single crystal is analyzed.

    定向凝固技术制作单晶铸件;摸索合理可行工艺方法分析晶粒生长淘汰过程

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  • The invention discloses a technology for the directional solidification growth of polycrystalline silicon ingot, belonging to the preparation of semiconductor material silicon crystal.

    定向凝固生长多晶硅锭工艺发明属于半导体材料晶体制备

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  • Directional solidification could improve hot rolling formability of magnesium ingot effectively. The total deformation could reach 94% without cracking when hot rolling was held at 673k.

    定向凝固工艺有效提高镁合金铸锭热轧成形能力轧制温度为673k的条件下进行热轧,变形量94%以上而不出现裂纹

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  • The equipment adopts the technology of directional solidification, producing polycrystalline silicon ingots through melting and directional crystal growth in a period of approximate 60 hours.

    设备应用定向固化技术,经融化、定向晶体生长通过60小时左右铸成多晶硅铸锭

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  • The no machining directional solidification hollow turbine blades, hollow guide vans and complex structure parts used in aero engine and gas turbine made by vacuum precision investment casting.

    航空发动机燃机等精铸真空无余量空心涡轮导向叶片复杂结构件。多种热处理炉用料盘,夹具等耐热合金钢精铸件。

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  • The research results may also help to improve the fabrication processes of directional turbine blade solidification.

    研究结果对于定向凝固涡轮叶片设计、分析方法完善成形工艺改进具有重要意义。

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  • The research results may also help to improve the fabrication processes of directional turbine blade solidification.

    研究结果对于定向凝固涡轮叶片设计、分析方法完善成形工艺改进具有重要意义。

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