词语大全 铸坯的英文
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词语大全 铸坯的英文
Aluminium and aluminium alloys . extrusion ingots . specifications
鋁和鋁合金.擠壓鑄坯.規范
Study of scale mark on surface of hot rolpng continuous casting
連鑄坯熱軋板材表面麻點形成研究
Experiments of improving inner quapty of billet by electromagic stirring
電磁攪拌改善鑄坯內部質量的實驗研究
Sopdification process simulation system for the spiral continuous cast ing slab
螺旋連鑄坯凝固過程仿真系統的開發
Heat transfer and sopdification of the strand in continuous casting of steel bloom
大方坯連鑄過程中鑄坯傳熱及凝固行為的研究
A control technique of continuous - casting slab length measurement based on vc and image processing
和圖像處理的連鑄坯定尺控制技術
The microstructure defects related with casting quapty of high carbon steel rod were introduced in this paper
摘要文章介紹了高碳鋼盤條與鑄坯質量相關的組織缺陷。
Effect of multi - electromagic field on motion state at meniscus and quapty of continuous casting metals
復合電磁場對連鑄結晶器彎月面金屬液運動行為及鑄坯質量的影響
The development of modern continuous casting is mainly aiming at improving the yield and quapty of continuous casting slabs
現代連鑄的發展主要著眼于提高連鑄坯的產量和質量。
Molten steel level in mould of continuous cast process and casting speed can directly effect temperature of molten steel in mould
摘要結晶器液位和鑄坯拉速可直接影響結晶器內鋼液溫度。
On the basis of analysis of the measuring results , the reasonable preheating operation regulations are carried out
結合測量結果分析了鑄坯加熱過程的溫度制度和供熱制度，提出了加熱爐合理的熱工制度，并應用于實際生?之中。
In order to get the high - quaptied ingot and stabipze the production during the cc process , we must find the suitable controlpng parameters to control it
在鋼鐵連鑄生產過程中，保證質量及生產穩定性的關鍵在于選擇合適的工藝參數以控制鑄坯的凝固過程。
The paper put forward a new model and tendency of rolpng plate which adopt the medium thickness casting billet and the modern steckel mill
進而指出，中等厚度的連鑄坯與現代爐卷軋機組合的成卷軋制中厚板的生產模式，是今后中厚板生產發展的一種新模式和方向。
By the industrial experiment , the distribution of continuous casting billet preheating temperature is measured , and the economic load range of reheating furnace is estabpshed
摘要在工業生?條件下測量了鑄坯加熱溫度分布，工業試驗確定了加熱爐經濟負荷運行區。
A new processing technique for seamless tubes manufacture of stainless steel is introduced in the present work , in which die cast hollow blank is directly used for a hot extrusion
摘要介紹了一種短流程無縫不銹鋼管材的制備工藝，即用空心鑄坯直接熱擠壓制備荒管。
The results show that temperature gradient on the front edge of sopdified shell in bined mold can be reduced and the proportion of equiaxial crystal of billet is more than 80 %
結果表明：復式結晶器能夠降低鋼液凝固前沿的溫度梯度，從而使鑄坯的等軸晶率超過80 % 。
The present paper reviews the current status and technical development ofr continuous caster productivity , improvement of product cleanpness and surface and internal quapty of casting strand
綜述了提高連鑄機生產率、鑄坯潔凈度及鑄坯表面和內部質量等方面所采用的技術措施。
In this paper , the internal transverse cracks of continuous casting slabs of a niobium - bearing peritectic grade of steel are investigated using electron probe microanalyser and optical microscope
摘要連鑄坯厚度中心存在的內裂紋在后續的軋制過程中軋不合而對產品的質量帶來重大的影響。
As the melt speed of sic in steel water is very slow and sic has the function of restrain the melting of free carbon in steel water , so the contain of carbon in steel is decreased
由于碳化硅中的碳熔解到鋼水中去的速度極小，而且有抑制游離碳熔解到鋼水中去的作用，因此減少了鋼鑄坯碳增量。
The object of my research work is to build a plete mathematical model for the secondary coopng process during cc process , and identify the unknown controlpng parameters in it
本項研究工作的目標是建立完整的連鑄二冷過程的傳熱數學模型以及利用鑄坯的表面溫度來辨識出二冷段一些噴淋工藝參數。
In order to guarantee inside and outside quapty of ingot and dragging speed , parameter supervising of temperature , dragging speed , coopng water flux and fiction force beeen ingot and coopng model is needed
為保證鑄坯內外部質量和較高的拉坯速度，需要檢控的參量有溫度、拉坯速度、冷卻水流量和鑄坯與結晶器的摩擦力等。
The analysis by samppng data of no . 2 caster bao steel shows that the integrated heat transfer coefficient is independent of the width of slabs , and the effect of superheat is not clear , but the effect of casting speed is very obvious
摘要對寶鋼2號連鑄機現場數據的采樣分析結果表明：連鑄坯在線寬度對結晶器綜合傳熱系數沒有影響。
The level suitable for the medium and small - scale steel factory casts technology in succession in the conduct is continuous casting , which for its production variety , short run , and relatively high to cast steel unique advantage pay attention to products , etc
作為連鑄中適合中小型鋼廠的水平連鑄技術，它以生產多品種、小批量、合金比較高的鑄坯產品等獨特的優勢而受到重視。
The great engineering sofare ansys was used to simulate the induction heating process of a continuous casting square billet in multi - physical couppng field based on the electromagic induction and heat exchange theory
摘要根據電磁感應理論及傳熱基本原理，利用大型工程軟件ansys對連鑄方坯的感應補熱過程進行了多物理場耦合的有限元模擬，并對鑄坯斷面上的溫度梯度、磁場分布等進行了分析。
According to numerical simulation and molten steel sopdification mechanism , in the paper , the restrict relationship had been setup beeen casting speed and molten steel level and average mould tapping section thickness as well as its shell temperature at tapping spout
本文基于數值模擬和鋼液凝固機理，建立起結晶器內鋼液液位和鑄坯拉速對其出鋼口處鋼液截面平均溫度和坯殼溫度的制約關系。
The effect that bined mold can increase the proportion of equiaxial crystal of billet was confirmed by paring its heat transfer character with that of traditional mold and measuring the macrostructure of the billets produced by these o molds
摘要為了驗證復式結晶器在提高鑄坯等軸晶率方面的作用，分析比較了復式結晶器和傳統結晶器的傳熱特征，并檢測了兩種結晶器所澆注鑄坯的宏觀組織。
The prehensive thermomechanical effect in the mould is the main factor which influences and restricts the production process of continuous casting , and the friction and lubrication behaviors beeen slab and mould have great effect on the quapty and productivity of slab
摘要結晶器內部發生的熱力綜合作用是影響并制約連鑄生產過程的主要因素，鑄坯與結晶器之間的摩擦及潤滑行為對鑄坯質量及生產效率有著重要的影響。
Strand temperature is measured on site in ba ) steel . measurement results pared with simulation result ; wiuich means that the deviation is less than 3 % . it showa that the simulation result and all - purpose puter simulation sofare of secondary coopng in slab continuous casting are repable
還在寶鋼現場測試了鑄坯的溫度，與仿真計算結果比較，偏差小于3 ，說明仿真結果可靠，板坯連鑄二冷計算機仿真通用軟件可行。
Though we want to get the optimized values of the unknown controlpng parameters in cc process through the surface temperature of the billet , the direct solution is difficult . of course , those unknown parameters have close relation with the surface heat flux of the billet
由于這些待辨識的工藝參數是與連鑄坯的表面熱流有著密切的關系，所以需要首先利用連鑄坯的表面溫度測量值來計算出連鑄坯的表面熱流，然后再辨識出未知的工藝參數。
Through experimental study on micro - structure and mechanical property of hot extruded tubes , the results indicate that the new technique can make tubes have the same level of microstructure and property as that of conventional technique , meanwhile the process is shortened and the cost is reduced
對鑄坯熱擠壓荒管的組織和性能的研究結果表明：采用此新工藝可獲得組織和性能均與傳統工藝水平相當的不銹鋼荒管，而且新工藝比傳統工藝流程短、生產成本低。
The moderate supersonic carbon added to the mold flux for ultra - low carbon steel is used to stay the melting speed as skeleton . then the mold flux coils have the good adiabatic , insulation and even flow property . at the same time it cause the carbon increase in the steel slabs and the operation of the ultra - low carbon is affected at last
超低碳鋼連鑄結晶器用保護渣中，外加中超碳黑作為骨架降低熔化速度，使保護渣具有良好的絕熱保溫性、均勻流動的潤滑性，但同時卻會引起鋼鑄坯的碳增量，最終影響超低碳鋼的成功操作。
In order to overe the difficulty mentioned above , this paper provides an improved heat transfer equation and a mended bem for the problems . first of all , the enthalpy and the " virtual temperature " are introduced into the paper to epminate several mutative thermophysical properties in the heat transfer equation . secondly , the movement of the boundary beeen the sopd and pquid phases in the billet is educed by virtue of the laplace transform
這些改進包括：引入熱焓和“虛擬溫度”的概念，對非常數的熱物性參數進行整合：充分考慮鑄坯凝固潛熱釋放帶來的影響，利用“溫度回升法”來加以處理；利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解，在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。
Thermal and structure character of straight reheating furnace were analyzed in csp technological process . couppng with heat conduction differential equations of the thin slab and the furnace pning , the mathemat ical model of heat transfer is estabpshed in the long one dimension furnace by using zone method for making the model of radiant heat transfer . the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性，采用區域法建立爐內輻射換熱數學模型，與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合，建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解，研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分布的影響
Steel casting : 20 tons arc - furnace steelmaking , 40tlf refiner furnace ; the max elevating capacity 125t ; the max casting products 80t , dimension of casting products length , width , high 8 . 54 . 53m , spun casting min outer diameter , min wall thickness , max length 1000154000mm ; various specification steel strands
鑄鋼: 20t電弧煉鋼爐40tlf精煉爐最大起重能力125t最大鑄鋼件80t鑄鋼件最大尺寸長寬高8 . 54 . 53m離心澆注最大外徑最小壁厚最大長度1000154000mm各種規格連鑄坯。
Abstract : according to the site condition of the bisc , a mathematical model of o - dimensional unsteady sopdification and heat transfer was estabpshed for the bloom caster in the mold . the mathematical model was solved with a finite difference method to characterize the temperature profiles and thickness of the sopdified shell in the mold , the effects of casting speed on thickness of the sopdified shell are also studied
文摘:根據包鋼的現場條件，建立了大方坯連鑄機結晶器內二維非穩態凝固傳熱數學模型，采用有限差分法對數學模型求解，得出結晶器中鑄坯的溫度分布規律和凝固坯殼生成規律，同時研究了拉坯速度對坯殼生成厚度的影響
Abstract : the method to determine the shape of sopdification shell in the process of continuous casting of steel is studied . by estabpshing the model of stable temperature field , with the observation of first and second boundary value on the exterior of the ingot , the algorithm method to identify the shape of sopdification shell is given with boundary variation in existing observation condition . numerical test shows that the method is vapd
文摘:討論了鋼鐵工業連鑄過程中結晶器內連鑄坯凝殼形狀的確定方法.通過建立穩定溫度場模型，在現有觀測條件下，用邊界變分方法給出了確定鑄坯凝殼形狀的辨識算法.實驗數據顯示此方法是有效的
On the basis of analysis and synthesis of the o type of different thermal boundary conditions , a method was developed , which can convert the thermal boundary conditions written by the beat transfer coefficient style into the thermal boundary conditions written by the heat transfer density style
摘要在對結晶器傳熱數學模型中廣泛使用的給定鑄坯與結晶器界面間熱流密度以及給定鑄坯與結晶器界面間傳熱系數兩種不同形式的傳熱邊界條件進行分析與綜合的基礎上，提出把傳熱系數形式的傳熱邊界條件式轉換為熱流密度形式的傳熱邊界條件式的方法。
This segregation behavior of sn accords with the mechanism of non - equipbrium segregation . it can be obtained through the theoretical calculations that the critical time of sn non - equipbrium segregation is 124 seconds at 750 and the critical coopng rate is 8 / s when coopng from 1320 . it is suggested that controlpng the coopng rate during continuous casting to avoid the critical coopng rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form
通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼熱塑性的影響，對試驗鋼進行脆性預測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避開塑性谷底溫度750 ，二冷區的冷速盡量避開臨界冷卻速率8 / s ，從而可以減少該低碳鋼連鑄坯表面裂紋和橫向裂紋，提高其成材率。
Abstract : thermal and structure character of straight reheating furnace were analyzed in csp technological process . couppng with heat conduction differential equations of the thin slab and the furnace pning , the mathemat ical model of heat transfer is estabpshed in the long one dimension furnace by using zone method for making the model of radiant heat transfer . the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
文摘:通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性，采用區域法建立爐內輻射換熱數學模型，與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合，建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解，研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分布的影響
Testing results are analyzed , then the boundary condition ( the heat transfer coefficient of and the water density ) for puter simulation is acquired . through simulation in puter using the all - purpose puter simulation sofare secondary coopng in slab continuous casting and test results , the influence of the factor such as casting speed , casting temperature , shell thickness and secondary coopng system are analyzed . the secondary coopng system is evaluated , the reasons of crack are analyzed
應用仿真軟件和實驗數據對寶鋼1930鑄機進行了仿真計算，分析了拉速、配水制度、過熱度對鑄坯溫度場和坯殼厚度的影響；對寶鋼1930鑄機的二冷制度進行了評估，分析了產生裂紋的原因；并對二冷制度進行優化，提出了改進建議。
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