電弧熔煉 的英文怎麼說
中文拼音 [diànhúróngliàn]
電弧熔煉
英文
arc-melting-
On account of the solidification character of rare earth alloys, the zone melting is improved by putting the alloys prepared by arc - melting into the quartz tube, then melting
鑒于稀土化合物凝固結晶的特點，對區熔法進行了改進，將電弧爐熔煉好的樣品裝入石英管中，封石英管后在區熔設備上進行區熔。The improvement technique of the single - slag manner smelting steel of arc furnace has been put forward, with details of discussion about suitable conditions and range of such technique and analysis of process characteristics and effect mechanism
摘要提出了電弧爐單渣法煉鋼的改進工藝，針對單渣法熔煉的工藝內容，較為詳細地討論了其工藝適應條件和范圍；分析了藝流程特性和工藝行為的作用機理。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
結果表明，電弧熔煉方法制備得到的nb - si系金屬間化合物比較緻密，且制備工藝簡單，經濟實用，是一種合適的nb - si系金屬間化合物制備方法；由於nb 、 si元素粉末的成型性很差，用粉末冶金方法（熱壓燒結和冷等靜壓）制備的nb - si系金屬間化合物表面粗糙、緻密度低，且成本較高，不宜用於制備nb - si系金屬間化合物；首次用光學懸浮單晶生長技術制備的nb - si系金屬間化合物復合材料緻密度很高，盡管成本稍高，但由於性能最佳，也是一種合適的nb - si系金屬間化合物制備方法。Based on analysis for vacuum arc remelting process and according to actual melting condition, some partial strategies which is helpful for control of melting aim were presented, for example, arc length control, melting speed control, decouple control and so on
摘要通過對真空電弧重熔爐工藝過程的分析，根據冶煉實際情況，提出了一些有助於控制冶煉目標的局部策略，如弧長控制、熔速控制、解耦控制等。The results indicate that the microstructure of the as - cast nb - losi ( at. % )
結果表明，電弧熔煉法制備的鑄態nb上（ atIn 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
本文採用真空電弧自耗熔煉法制備了鈮?硅基rmics材料的母合金錠，並採用電子束區熔（ ebfzm ）高溫度梯度定向凝固裝置制備了定向效果良好的nb - nb _ 3si nb _ 5si _ 3共晶自生復合材料，並對其定向凝固工藝參數和組織之間的對應規律、組織特性進行了研究，探討了凝固組織對室溫力學性能的影響及其斷裂機制。Surface morphology, phase constitution and biocompatibility of the material were analyzed and evaluated in this paper. titanium alloys were prepared by non - consumable vacuum arc smelting furnace. and the microstructures and the properties of titanium alloys were investigated
採用非自耗真空電弧凝殼爐熔煉鈦及鈦合金，並對鈦合金的組織及性能進行觀察和測定，分析了電弧爐熔煉鈦合金的結晶特點。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
運用電弧熔煉、粉末冶金熱壓燒結、粉末冶金冷等靜壓和光學懸浮單晶生長技術等方法制備了nb - si系金屬間化合物，並對這四種方法制備的nb - si系金屬間化合物進行了比較。The results reveal that the microstructure of the nb - si system intermetallics consists of nb and nbasi phases. because of unstable microstructure of nfysi phase at high temperature, the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics should be acquired by means of heat - treatment
研究表明，採用電弧熔煉和單晶生長技術制備的nb - si系金屬間化合物的顯微組織主要由nb + nb _ 3si組成，而由於nb _ 3si相在高溫下是不穩定的，為了得到穩定的nb + nb _ 5si _ 3雙相組織，必須對材料進行熱處理。分享友人