凝固金属
- Solidified metal;frozen metal
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快速凝固金属粉末的工业化前景
The prospect of industrial production of the rapidly solidified metal powder
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而喷射共沉积法属于新型快速凝固金属基复合材料制造方法,其所用设备成本较为昂贵,工艺较为复杂。
Spray atomization and codeposition processes belong to the rapid solidification technology .
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提高钢液温度50℃对钢中生成的氧化物夹杂的类型没有影响,但是,能显著减少结瘤层中的凝固金属,使结瘤层减薄。
Although increase in the hot metal temperature by ( 50 ℃) can hardly affect formation of the type of oxide inclusions in steel , yet it will significantly reduce the solidified metal in the clogging layer and thus make the clogging layer become thinner .
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快速凝固Al-Ni-Cu-Nd金属玻璃的晶化行为及Al基纳米晶/非晶复合材料的结构特征研究
Studies on crystallization behaviour of rapidly solidified Al-Ni-Cu-Nd metallic glass and structural characteristics of aluminium based amorphous composites with nanocrystal phase
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定向凝固NiAl-Fe-Nb金属间化合物的显微组织和类超塑性行为
Microstructure and superplastic-like deformation behavior of directionally solidified NiAl-Fe-Nb intermetallic alloy
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定向凝固多孔金属制造人工骨的前景展望
Prospect of Making Artificial Bones with Uni directional Solidification Porous Metals
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快速凝固热压金属硅化物热电材料研究
Research of Metal Silicide Thermoelectric Materials Prepared by Rapid Solidification and Hot Pressing
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在空间(微重力)凝固的金属材料
Metallic materials research under microgravity environment in space
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快速凝固熔融金属取样器的研究
Study of quickly quenched molten metal sampler
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模拟结果表明:通过优化铸造工艺,合理设置冒口、冷铁,可以保证铸件的顺序凝固和金属液的有效补缩,获得结构完整、没有缺陷的铸件。
The complete structure with defects-free can be realized by optimizing process and rationally assembling riser and chill to ensure the directional solidification and effective feeding of melt .
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采用熔体旋甩法制备了快速凝固Al87Ni7Cu3Nd3金属玻璃,并以等温加热和非等温加热模式处理试样。
Rapidly solidified Al_ ( 87 ) Ni_7Cu_3Nd_3 metallic glass ribbons were prepared by using melt spinning , and were treated under both continuous heating and isothermal heating regime .
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快速凝固制造贵金属微细粉末
Rapidly Solidified Powder Making Technique in the Field of Precious Metals
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逐步熔融凝固法制备金属基复合材料
Making Metal Matrix Composites by Incremental Melting and Solidification Process
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快速凝固法制取金属粉末技术的发展状况
Developments of rapid solidification techniques for metal powder production
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定向凝固规则多孔金属研究进展
Review of Directional Solidified Regular Porous Metals
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喷射成形技术是一种利用快速凝固方法获得金属坯件的先进特种铸造技术。
Spray forming is an advanced specific casting technology which uses fast solidification way to obtain metal billets .
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凝固速度对金属基复合材料液?固界面形态选择的影响
Affection of Solidification Rate on the Morphologies ? Shape of Liquid ? solid Interface of Metal Matrix Composites
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磁场作用下的金属凝固已成为金属材料基础研究和开发制备新技术的重要领域。
Metal solidification in magnetic field has become important for improving the basic research and developing a new technology .
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结果表明:金属液滴飞行速度、温度以及凝固程度是金属液滴直径、飞行距离的函数;
The calculation result of Zn Al droplets velocity and temperature shows that droplets velocity and temperature are function of flight distance and droplets diameter .
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指出电磁约束成形定向凝固技术集金属材料的加热熔化、无接触约束成形及组织定向凝固于一体,特别适合于高熔点、易氧化、高活性的特种合金坯件的无污染制备。
Electromagnetic shaping integrates melting of metal , noncontact electromagnetic shaping of melt and controlling of directional solidification structure . It is considered to be suitable for shaping special alloys which are high melting-point , oxidizable and liable to react with mould material .
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用燃烧合成铸造法成功制备了致密度较高的Al2O3Cr和Al2O3(Cr2O3)Cr金属陶瓷,研究了稀释剂Al2O3和Cr2O3及凝固冷却速度对金属陶瓷显微组织的影响。
The Al_2O_3-Cr and Al_2O_3 ( - Cr_2O_3 ) - Cr cermets with higher soundness were successfully fabricated by combustion synthesis - casting method . The influence of Al_2O_3 , Cr_2O_3 diluents and solidification cooling rate on microstructure of the cermets was examined .
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晶粒取向对激光快速凝固形态的影响金属材料快速凝固激光加工与成形
Rapid solidification laser processing and forming of advanced aeronautical metallic materials
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快速凝固制备微细金属粉末的理论和装置
The principle and technology of the preparation of rapidly solidified fine
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旋转叶片法快速凝固过程受打击金属熔体的铺展动力学分析
Spread Dynamics Studies of Melt Hit during Rapidly Solidification by Rotation Blade Quenching
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激光熔炼/快速凝固γ/Cr3Si金属硅化物原位复合材料研究
Microstructure of Laser Melted / Rapidly Solidified γ / Cr_3SiMetal Silicide " In-Situ " Composite
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为了提高高温合金母合金锭的内在质量,本文提出了高温合金的真空电磁铸造技术,并建立了表示高温合金真空电磁铸造凝固过程中液态金属补缩能力的数学模型。
A novel model has been successfully developed to address the feeding capacity of melt in vacuum-electromagnetic casting .
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通过实验观察,电磁力对金属凝固组织及对金属铸锭表面形态所产生的影响,在不同的作用条件下其效果具有明显差别。
The function effects of electromagnetic force acted on the structure of solidified metal and the surface modality of metal casting are remarkably distinct under different input conditions .
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通过红外光谱分析,海藻酸钠在纺丝过程中,溶液中的钠离子与凝固浴中的金属离子产生离子交换,大分子中羟基与金属阳离子形成了螯合结构。
Analyzed by FT-IR , ionic interchange is happened between Na ~ + and metallic ion during the spinning process and the " Egg-box " structure is formed .
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钢锭侧面凝固前沿位置即金属熔池具有无圆柱部分是判断电渣锭表面质量优劣的基本依据。
The main basis of deciding ESR ingot surface quality is that there is a cylinder part or not in ingot side freezing forward position - metallic molten pool .
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实验表明软接触电磁铸造可以改变铝合金连续铸造的初期凝固过程,减小金属液和结晶器的接触面积,减小液体金属与结晶器壁的接触压力,改善铸锭的表面质量。
The experiment shows that the soft-contact EMCC can change the initial solidification process and reduce the contact area and pressure between the liquid metal and the mold wall resulting in the improved surface quality .