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arc melt中文是什么意思

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用"arc melt"造句"arc melt"怎么读"arc melt" in a sentence

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  • 电弧熔化

例句与用法

  • Arc melting metal powder
    电弧熔化用的金属粉末
  • Vacuum arc melting
    真空电弧熔化
  • It is difficult to prepare eufe by arc melting for the little difference between the bolting point of eu which is 1596 ? and the melting point of fe which is 1538 ?
    Eu的沸点是1596 , fe的熔点是1536 ,二者非常接近,所以eufe合金的制备比较困难。
  • Alloy fabricated by arc melting consists of continuous nbssi matrix and dispersive distributed nb particles . the metastable nbasi phase is found to have a tetragonal crystal structure with space group p42 / n and lattice parameters a = 1 . 021nm , c = 0 . 519nm
    O 0 )金属间化合物的显微组织由连续的nb3si基体、弥散分布的nb粒子组成,其中亚稳态相nb3si为四方结构,空间群p42 n ,点阵常数a l
  • The single fiber sensor head was investigated experimentally and theoretically . two kinds of sensor head fabrication methods were demonstrated and compared , which are the electrical arc melting and mechanical grinding respectively . a mathematic model of fiber tip reflection was established by the method of ray - tracing
    论文提出并比较了两种制作单光纤传感头的方法:电弧拉制法和光纤研磨法;利用光线追迹法建造了单光纤传感头的数学模型。
  • The foundation to develop nb - si system intermetallics base high temperature structure materials has also been established in some degree in this paper . arc melting , powder metallurgy and optical floating zone technology have been used and compared to fabricate the nb - si system intermetallics
    运用电弧熔炼、粉末冶金热压烧结、粉末冶金冷等静压和光学悬浮单晶生长技术等方法制备了nb - si系金属间化合物,并对这四种方法制备的nb - si系金属间化合物进行了比较。
  • In this paper , an ingot of niobium - niobium silicide based in - situ composites ( rmics ) was prepared by arc melting process , and nb - nb3si / nb5si3 in - situ composites with a uniformly orientated microstructure were produced in a high temperature gradient directional solidification apparatus named electron beam floating zone melting ( ebfzm ) . the relationships between the processing parameters and the characteristics of the solidified microstructure have been investigated . the influence of the microstructure on the mechanical properties has been revealed and the rupture mechanism at room temperature has been discussed
    本文采用真空电弧自耗熔炼法制备了铌?硅基rmics材料的母合金锭,并采用电子束区熔( ebfzm )高温度梯度定向凝固装置制备了定向效果良好的nb - nb _ 3si nb _ 5si _ 3共晶自生复合材料,并对其定向凝固工艺参数和组织之间的对应规律、组织特性进行了研究,探讨了凝固组织对室温力学性能的影响及其断裂机制。
  • The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics , lower cost and compact products . however , powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders . optical floating zone technology , which is used to fabricate nb - si intermetallic composites for the first time , is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost
    结果表明,电弧熔炼方法制备得到的nb - si系金属间化合物比较致密,且制备工艺简单,经济实用,是一种合适的nb - si系金属间化合物制备方法;由于nb 、 si元素粉末的成型性很差,用粉末冶金方法(热压烧结和冷等静压)制备的nb - si系金属间化合物表面粗糙、致密度低,且成本较高,不宜用于制备nb - si系金属间化合物;首次用光学悬浮单晶生长技术制备的nb - si系金属间化合物复合材料致密度很高,尽管成本稍高,但由于性能最佳,也是一种合适的nb - si系金属间化合物制备方法。
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