Results 41 to 50 of about 855 (165)
The quality of rail steel is conditioned by its high mechanic qualities, which greatly depend on the presence of undesired nonmetallic inclusions. The paper is devoted to the segregation of components, mainly sulphur, and the formation of manganese ...
Kalisz D. +4 more
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The effects of vacuum processing time, nitrogen pressure and gas types on the total oxygen and micro non-metallic inclusions in molten steel were investigated to further improve the technology of micro non-metallic inclusion removal from molten steel ...
LI Kang-wei +5 more
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The ultra-low-oxygen content and low rating of inclusions are key indexes for high quality bearing steel. The influence factors on control of ultra-low-oxygen content and nonmetallic inclusions in high quality bearing steel are analyzed including removal
杨虎林, 何平, 翟玉春
doaj
Analysis of inner fold and bulge defects on J55 steel for oil casing pipe
Typical macroscopic and microscopic morphologies of inner fold and bulge defects of J55 oil casing pipe are observed, and inclusions and the metallographic structure near these defects are detected to obtain an understanding of the defect formation ...
Bosi Li +4 more
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For improving the problem of non-metallic inclusions in low carbon aluminum killed steel produced by CSP process at Jiuquan steel Co,with sampling at each phase of steelmaking and continuous casting,the study of inclusions in steel is carried out by ...
飞尚才, 蒋小霞, 苟宁年, 徐楠
doaj
A Study on Non-Metallic Inclusion in 304 Stainless Steel Produced by Twin Roll Thin Strip Casting
Large inclusions and ultra-fine inclusions in 304 stainless steel thin strip produced by twin roll strip casting have studied by scanning and transmission electron microscope. Results indicated that inclusions in thin strip were spheroidal compound oxide
黄福祥 +5 more
doaj
Research on Intelligent Identification and Grading of Nonmetallic Inclusions in Steels Based on Deep Learning. [PDF]
Zhu X +10 more
europepmc +1 more source
Effect of Nonmetallic Inclusion on Impact Toughness of High Strength Oil Casing
The number, size, chemical composition and morphology of inclusions in continuous casting billet samples were analyzed using SEM and bulk sample electrolysis for high strength OCTG steel. The results show that the micro inclusions and large inclusions in
Deng Xuyan +3 more
doaj
20CrMnTiH gear steel is produced by EAF (tapping 45 t steel) -LF-CC process flow sheet al Special Steel Works, Bensteel. With controlling arc furnace liquid steel decarburizing amount ≥0. 25% C, insuring decarburizing rate 0. 02% C/min, adding 0.
刘昭
doaj
Study on the Influence of Random Distribution of Inclusions on Gear Contact Fatigue Performance
The existence of nonmetallic inclusions in gear materials can significantly reduce the contact fatigue strength of gears, and the research on the related mechanism can provide important guidance for the control of production quality and service ...
Bing Lei +3 more
doaj

