Effect of slab strain on Nb(C,N) precipitation in continuous casting process
連鑄過程鑄坯應變對碳氮化鈮析出行為的影響
Distribution of non-metallic inclusion quantity in 304 stainless steel slab
304不銹鋼連鑄坯中的非金屬夾雜物數量分布
Effect of cooling rate on the slab surface microstructure of microalloyed steel containing Nb and Ti
冷卻速度對含鈮、鈦微合金鋼鑄坯表層組織結構的影響
Based on the investigation on the influences of horizontal continuouscasting on the structure and surface of casting billet of BZn15241.
研究了水平連鑄工藝對BZn15-24-1 5鑄坯組織性能和表面質量的影響,確定了該材料適宜的水平連鑄工藝條件,即:鑄造溫度1200℃～1500℃;拉速45～50m/h;節距8～10mm;頻率80～100次/min。
The temperature distribution of continuous casting billet in reheating furnace was measured under practical operation.
在工業生產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,建立了推鋼式加熱爐鑄坯加熱過程的一維穩態數學模型。
The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.
采用三相通入不同電流的非平衡線性電磁攪拌技術進行了鑄坯的靜態澆鑄實驗 ,并對電磁攪拌過程中鋼液內的電磁力各分量的瞬時值進行了理論分析·結果表明 ,當采用將電磁攪拌器的三相通入不同電流的非平衡線性電磁攪拌時 ,在鋼液內所產生的電磁力是脈動的 ,其大小呈周期性變化 ,尤其是垂直于磁場運動方向上的電磁力 ,其脈動的幅度很大·由此認為 ,當采用將攪拌器的三相通入不同電流的非平衡線性電磁攪拌時 ,所產生的垂直于磁場運動方向上的脈動電磁力是提高等軸晶比率 ,改善鑄坯凝固組織的一個重要原
Research on Cleanliness of 20MnSi Liquid Steel and Billet in Shuicheng Steel;
水鋼20MnSi鋼水和鑄坯潔凈度的研究
Based on electromagnetic theory, an in mold electromagnetic stirrer was built for the billet caster with the strand section of 150 mm by 210 mm.
結合工業試驗 ,進行了使用工藝的優化 ,使連鑄坯的等軸晶率提高到 4 7% ,鑄坯質量有了大幅度提高。
The effect of electromagnetic stirring on the inner quality of the low carbon steel billet was investigated by static casting experiment.
采用低碳鋼進行靜態澆鑄實驗 ,并就電磁攪拌對鑄坯內部質量的影響進行了實驗研究·實驗結果表明 ,電磁攪拌可明顯提高鑄坯凝固組織的等軸晶率 ,同時又可以改善鑄坯內的成分分布狀況 ,從而提高鑄坯的內部質量·在合理的電磁攪拌參數和澆鑄參數條件下能夠得到幾乎為1 0 0 %等軸晶的鑄坯
Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil;
鑄坯缺陷對SWRH82B鋼盤條冷拔質量的影響
The internal quality of casting slab has been improved after optimization for M - EMS.
在鑄坯凝固末端安裝末端電磁攪拌(F-EMS),通過對末端電磁攪拌器性能參數的檢測判定和冶金效果的初步測試并進行生產試驗,確定了末端電磁攪拌的電磁工藝參數與攪拌方式。
With the temperature decreasing of casting slab,V starts to precipitate with TiN as nucleation core or nucleate and grow up independently.
實驗結果顯示,在連鑄初期,TiN基本全部從鋼中析出,而隨著鑄坯溫度的降低,V開始以TiN為核心或單獨形核析出,在鑄坯均熱后,大部分單獨形核的V(C,N)趨于溶解,未溶解的則開始長大,而以TiN為核心的(Ti,V)(C,N)中的V部分溶解于鋼中,V在粒子中的含量減少。
Effects of mold powder property on 12Mn2VB steel bloom surface quality;
結晶器保護渣性能對12Mn2VB鋼連鑄坯表面質量的影響
Based on the research,it was found that center segregation especially carbon segregation in blooms was the major prob-lem.
通過研究,發現鑄坯中心偏析尤其是碳偏析為主要問題。
In order to improve the quality of round blooms,based on technical parameters of round bloom continuous caster at Ma anshan Iron and Steel Co.
為提高圓坯質量,基于馬鋼圓坯連鑄機技術特點,采用Gleeble2000熱模擬試驗機研究了代表鋼種圓坯高溫力學性能,通過理論分析和試驗研究建立了二冷工藝模型,并分析了結晶器電磁攪拌參數對鑄坯質量的影響。
The article introduces the basic principle to realize the quality improvement of continuous cast slab using multipoint straightening technique and the reasonable control of strain distribution and rate;also offers the number of straightening points,radius of curvature Ri,straightening strainεi and calculation method of strain rate.
分析采用多點矯直法,合理控制應變分配及應變速率,提高連鑄坯質量的基本原理。
Utilizing the methods of sample-electrolysing,metallographic observation,SEM and EPMA,the quantity,dimension,morphologies and composition of non-metallic inclusions in X70 pipeline steel cast slab were investigated.
利用大樣電解、金相觀測、掃描電鏡(SEM)和電子探針(EPMA)等手段,對X70管線鋼鑄坯中夾雜物的數量、粒徑、形貌及組分進行了研究。
Production practice on casting the round tube blank of steel 20 with round tube blank continuous caster
圓坯連鑄機澆鑄20鋼鑄坯的生產實踐
Study on solidification of round billet horizontal continuous casting and quality of casting blank
水平連鑄圓坯凝固及鑄坯質量的研究
Effect of roll gap shrinkage optimization on slab quality
板坯輥縫收縮優化對鑄坯質量的影響
Research on Quality Control of 45~# Steel Billet
45~#鋼小方坯鑄坯質量控制研究
Numerical Simulation of Mould/billet Temperature and Concentration Field in the Continuous Casting of Round Billet;
圓坯連鑄結晶器/鑄坯溫度場與濃度場數值模擬
Experimental Study on Transient Friction Behavior Between Mould and Strand in Slab Continuous Casting
板坯連鑄結晶器/鑄坯瞬態摩擦行為的實驗研究
The Effect of Cross Section Area of Casting Bar on the Quality of Copper Rod for Electrical Application of SCR Continuous Casting & Rolling
鑄坯截面積大小對SCR連鑄連軋電工用銅線坯質量的影響
Study of the Automatic Adjusting Technic of Flame Cutting Slab Cut Length System in Slab CCM
板坯連鑄機二次火焰切割鑄坯定尺自動無級調節技術的研究
The Relationship Between the Gap Accuracy of Fan-shaped Roll with Quality Slab in the thin Slab Caster
中薄板坯連鑄機的扇形段輥縫精度與鑄坯質量的關系
The sizes of slabs, the casting speeds of CCM and the cooling methods in second cooling zone are key factors which affecting the temperature of slabs out of CCM.
影響鑄坯出連鑄機溫度的主要因素是鑄坯尺寸、連鑄機拉迪和冷卻制度。
In this paper the on-line real-time detecting system of molder surface temperature of continuous casting is designed.
設計了連鑄鑄坯表面溫度在線實時測量系統。
Cause of Corner Crack of Continuous Cast Billet in Laiwu Steel No.5 Continuous Casting
萊鋼5號連鑄機連鑄坯角部裂紋成因分析
Effect of slab strain on Nb(C,N) precipitation in continuous casting process
連鑄過程鑄坯應變對碳氮化鈮析出行為的影響
Study on Corner Sink and Vertical Cracks of CC Steel Billet
連鑄坯角部凹陷及縱向裂紋的研究
breaking mill for cast iron scrap or pig-iron
廢鑄件或坯鐵粉碎機
Continuous casting mould hydraulic vibration devices of square billet(round billet)/rectangular billet
大方坯(圓坯)/矩形坯連鑄結晶器液壓振動裝置
Analysis on Causes of Slab Stagnating in CC and Their Improvement Measures
板坯連鑄“滯坯”原因分析及改進措施
Measurement of the Solidified Shell Thickness in the Secondary Cooling Zone of Continuous Casting of Bloom
大方坯連鑄二冷區凝固坯殼厚度測試