molten copper 中文意思是什麼
molten copper
解釋
熔融銅-
Abstract : hydrogen and oxygen solubility in molten copper, condition of gas - absorption during smelting of pure coper, mechanism of gas hole formation, gas hole appearance on worked material and measure to gas absorption prevention have been briefly described
文摘:論述了氫和氧在銅液中的溶解能力、熔鑄紫銅時的吸氣條件、氣孔形成的機理、氣孔在加工型材上的表現、防止吸氣的措施等。 -
The chemical reaction control of cuo - al system has been studied. the results show that the chemical reaction is more stable when cupric oxide and aluminium is put respectively into molten copper
在此基礎上，實驗研究了cuo ? al體系的化學反應控制，得出了採用cuo和al分別加入法比壓塊加入法會使反應進行的更加平穩。 -
It was a sea of molten copper, shining, so that the eyes were dazzled.
這是一片熔銅的海洋，光彩奪目，令人眼花繚亂。 -
Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料，在此基礎上分析了原位復合材料的微結構，進行了干滑動摩擦磨損和電接觸滑動磨損實驗，完成的主要工作如下：從熱力學的角度出發，分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件，並用電解銅、工業純鈦、 b _ 2o _ 3 、 c （還原劑）以及cu - ti 、 cu - b等合金為原料，通過控制適當的反應溫度、反應時間和快速凝固等工藝手段，制備了cu -納米tib2原位復合材料。 -
Moreover the effects of the temperature of molten copper and the content of al powder in the mixed - powder on microstructure and properties ( hardness, conductivity ) of the material were studied. the results indicated that : 1
本文採用反應鑄造法制備了cu - al _ 2o _ 3復合材料，並分析討論了熔液溫度和混合粉末中al含量對制備cu - al _ 2o _ 3復合材料的性能（硬度、電導率）和組織的影響。 -
W - cu composites are usually fabricated by infiltration - sintering porous tungsten compacts with molten copper or by liquid - phase sintering w - cu powder compacts
W - cu復合材料通常採用粉末冶金熔滲燒結或液相燒結法制取。 -
Analyzing the reaction of cuio and al in thermodynamics and kinetics showed that al2o3 particles could be gotten by the reaction between cu2o and al in molten copper. 2
通過熱力學和動力學分析可知，在銅液中cu _ 2o與al完全能夠反應生成穩定的al _ 2o _ 3增強顆粒。 -
3 samples are drawn from various vertical postions from molten copper and are tested by spectrometer to ensure the chemcial composition is withen the tolerance and homogeneous
每爐分上中下進行光譜分析保證化學成份在控制范圍和合金成份均勻分佈。 -
When the molten copper temperature at 1200 and the content of al in mixed - powder more than 16. 5 %, the microstructure and properties of the cu - al2o3 composites were more satisfying. being affected more by microscopic motion state of cu2o and al in the molten copper, the reaction between cu2o and al reacted non - uniformly while the content of al in mixed - powder is less than 16. 5 %
熔液溫度為1200且混合粉末中al含量大於16 . 5時，材料組織性能較好； al含量小於16 . 5時， cu _ 2o與al在銅熔液中的反應受物質的微觀運動狀態影響較大，反應進行得不均勻。
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