Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Ca and Mn co-doped BiFeO3 (BFO) thin films were fabricated on (111) Pt/Ti/SiO2/Si substrates via a simple solution approach. Enhanced ferroelectric properties were obtained in these Ca and Mn co-doped BFO films, e.g., large remnant polarization value (Pr ∼ 89 μC/cm2) and large remnant polarization to saturated polariz…
An inorganic materials database system, AtomWork, has been developed and released on the Internet. It includes the phase diagram, crystal structure, X-ray powder diffraction, and property data of more than 80,000 inorganic materials extracted from scientific literature. The feature of this database is that the informa…
This study was performed to evaluate the characteristics and strengths of dissimilar joints between carbon fibre reinforced plastics (CFRP) and stainless steel using high brightness continuous wave disc laser. Tensile shear tests demonstrated that strong CFRP steel joint with ∼4800 N could be produced. The joints were…
Key R & D field for high strength ship plate steel in resent years including low temperature toughness, excellent corrosion resistance, weldability with high heat input welding and antifatigue performance of steel has been summarized in article. The characteristics of research and development of new high strength ship…
The process flow sheet, key equipment and technology characteristics for maximum coil weight 35 t, 2 ~ 16 mm hot rolled stainless steel strip annealing and pickling line are presented. The steel grades produced in the line are austenite ,ferrite and martensite stainless steel； the strip is heated in annealing furnace…
The electrode of René88DT nickel allov ( % ： 0.02 ~ 0.05C. 15.5 ~ 16.5Cr, 3.8 ~4.2Mo, ≤0.20Ta, 12.5 ~13.5Co，0.6~1.0Nb, 0.025 ~0.050Zr, 3.5~3.9Ti, 2.0〜2.4AI, 0.006〜0.015B, 3.8〜4.2W, 0.005 ~ 0.010Ce) is melted by a 200 kg vacuum induction furnace and the Φ160 mm x 220 mm René88DT alloy ingot is melted by a 500 kg shield…
Steel 35MnB is melted by 40 t EAF-LF-VD-180 mm x 180 mm billet CC arc furnace flow sheet and 100 t BOF-LF-RH-200 mm x 200 mm billet CC Converter flow sheet. The requirement of technical specifications for steel 35MnB is end-quenching hardenability J19 HRC value is 33 〜41. Examination results show that the JI9 HRC valu…
The 150 mm x 150 mm casting billet of bearing steel GCr15 is produced at Jiyuan Iron and Steel Co by using 601 top and bottom combined blowing converter melting with carbon catch operation to control converter end [C] 0.08% ~0.20% , ladle bottom argon blowing and adding aluminium-iron in ladle during tapping for oxida…
The production flow sheet for Φ500 mm casting bloom of 0.20% C steel (0.19% ~ 0.23% C) is 70 t BOF-LF-VD-Φ500 mm heavy round caster. The study and optimization work on mechanical equipment and process parameters including secondary water cooling parameter have been carried out. In first pilot production with continuou…
A study on basic characteristics of baked EAF dust including chemical composition, X-ray diffraction detection ,and particle-size distribution has been carried out. Based on thermodynamic principles of iron oxide and zinc oxide redaction , the concept of fine reduction of EAF dust is put forward. The effect of tempera…
The steelmaking flow sheet for two heats non-oriented silicon steel XG800WR (/% : 0.003 ~ 0.004C, 0.71 〜0.75Si, 0.32~0.33Mn, 0.004 ~ 0.007S, 0.016P) is hot metal pretreatment ( KR)-210 t top and combined blown converter-ladle argon blowing-RH decarburization refilling-230 mm X 1 220 mm slab casting. The superheating e…
The progress of new products of energy saving cold heading steels including spheroidizing-annealing-free boron-bearing steels, cold working hardening non-quenched and tempered steels avoiding spheroidizing-annealing and dispensing with quenching and tempering process, online-softening cold heading steels and ultra-hig…
A new as-cast ultra-low carbon low nickel medium nitrogen austenite stainless steel 022Cr20Mnl0Ni6N (% ： 0.023 〜0.027C, 9. 86 -9. 95Mn, 19. 24 〜20. 09Cr, 5.41 〜5.42Ni, 0. 27 ~0. 34N) is melted by a 15 kg medium induction furnace, and the structure, mechanical properties and corrosion resistance of as-cast steel 022Cr2…
Metallurgical flow sheet for production of WB36 steel tube (%： 0.16C. 0.46 ~0.47Si, 1.02 ~ 1.05 Mn , 0.008 〜0.010P, 0. 001S, 0.29 ~0.30Mo, 1.17〜1.20N、0.58Cu, 0.02M), 0.05Al) is 45 t EAF-LF-VD-Φ600 mm casting bloom-piercing, Φ600 m×70 mm-Φ720 Pilger mill rolling. With controlling heating atmosphere in circular rotating…
Several kinds of solution modes are presented which integrate intelligent control technology ( FC-fuzzy controller, ANN-artificial neural network and GA-genetic algorithm) with traditional proportional plus integral plus derivative (PID) control model and are applied for electrode regulator of AC arc furnace to realiz…
The metallurgical effects of solid-core calcium wire (99.35% Ca) and CaFe wire (30.53% Ca) feeding during 160 t, 230 t and 300 t LF refining process have been compared and analyzed. The average acid soluble aluminium, sulphur content and temperature of liquid before and after feeding solid-core pure calcium are respec…
In consideration of easier nozzle clogging and difficult control of bloom quality for casting pipe line steel X52 ( % ： 0.14~0.18C, 0.30〜0.50Si, 1.25〜1.40Mn, ≤0.025P, ≤0.025S, 0.03~0.06Nb) in casting by square round bloom caster, the pipe line steel X52 is produced with using the technoiogy including according to carb…
Analysis on surface upwarp defects of hot rolled plate of high strength alloying steel Q345E produced by 120 t converter-RH-CC melting process has been carried out by using scanning electron microscope and optical microscope, and it is found that there are ferroferric oxides, residuum of mold shielding slag and second…
The KR method is selected for pretreated desulphurization of 205 t hot metal according to the comparison results of advantages and characteristics between KR mechanical stirring method and jetting method. The main ingredient of used desulphurizing agent is (%) 76 ~80CaO, 7 〜12CaF2≤5SiO2. Production results show that a…
The mechanical properties of 70 mm x 1 250 mm slab of steel SPHC (% : 0.02C, 0.18Mn, 0.03Si, 0.04Als) at 600 ~ 1 350 ℃ have been studied by Gleeble thermal simulation machine and the fracture of tensile specimen is analyzed by scanning electron microscope and energy dispersive X-ray spectrometer. Results show that the…