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THE EFFECTS OF STEEL COMPOSITION AND DEOXIDATION PRACTICE ON THE NATURE AND EXTENT OF SULPHIDE PRECIPITATION AND THE SUBSEQUENT EFFECTS ON MECHANICAL PROPERTIES AFTER ROLLING

机译：钢组成和脱氧实践对硫化物沉淀性质和渗透率的影响及其对轧后力学性能的影响

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Several Si-Al killed laboratory melts have been produced with normal O.H, sulphur levels, to assess the effects of zirconium, titanium and the combined effect of Zr and Ti on the nature of sulphide inclusions, and subsequent effects on notch ductility.nA zirconium addition of 0. 055% was sufficient to modify the sulphide formation to a non-malleable form giving excellent notch ductility. At some stage between 0. 055% and 0.10% a light grey needle shaped grain boundary zirconium precipitate is formed resulting in stringers when rolled, with adverse effects on notch toughness in both longitudinal and transverse directions.

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作者
D. Brown;
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年度 1970
页码 1-17
总页数 17
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Mechanical properties; Steels; Sulfides; Aluminum alloys; Deoxidizing; Metal working; Notch strength; Silicon alloys; Titanium; Zirconium;

机译：机械性能;钢;硫化物;铝合金;脱氧;金属加工;切口强度;硅合金;钛;锆;

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THE EFFECTS OF STEEL COMPOSITION AND DEOXIDATION PRACTICE ON THE NATURE AND EXTENT OF SULPHIDE PRECIPITATION AND THE SUBSEQUENT EFFECTS ON MECHANICAL PROPERTIES AFTER ROLLING

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