Effects of Certain Processing Variables on Nodular Iron PDF Download
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Author: Pushpavadan Shantilal Nagarsheth
Publisher:
ISBN:
Category : Cast-iron
Languages : en
Pages : 172
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Book Description
Author: Pushpavadan Shantilal Nagarsheth
Publisher:
ISBN:
Category : Cast-iron
Languages : en
Pages : 172
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Book Description
Author: Robert Warren Reesman
Publisher:
ISBN:
Category : Cast-iron
Languages : en
Pages : 158
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Book Description
Author: Alex Michael Gyarmaty
Publisher:
ISBN:
Category : Cast-iron
Languages : en
Pages : 246
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Book Description
Author: George T. Fisher
Publisher:
ISBN:
Category : Hardness
Languages : en
Pages : 36
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Book Description
Author: A. T. Peters
Publisher: ASTM International
ISBN:
Category :
Languages : en
Pages : 216
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Book Description
Author: John Francis Janowak
Publisher:
ISBN:
Category : Iron
Languages : en
Pages : 182
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Cast iron is an alloy of iron containing more than 2% carbon as an alloying element. It has almost no ductility and must be formed by casting. Ductile iron structure is developed from the melt of cast iron. The presence of silicon in higher amount promotes the graphitization, inhibiting carbon to form carbides with carbide forming elements present. The carbon forms into spheres when Ce, Mg are added to the melt of iron with very low sulphur content. Due to this special microstructure containing graphite in nodular form ductile iron possesses ductility & toughness superior to that of any cast iron & steel structure resulting in numerous successes in industrial application. Ductile iron castings with 3 and 12 mm thickness with varying chemical composition were cast in furan resin sand molds to identify the effect of sample thickness on microstructural changes and selected mechanical properties. The effect of melt chemistry and molten metal processing variables (i.e., pre-conditioning of the base iron, inoculation type and practice, and pouring temperature, etc.) on the tensile and impact properties of thin-wall ductile iron castings has been investigated. Comparison of 3 and 12 mm sections within the same casting showed that section size was the main factor influencing tensile properties of ductile irons. While many samples from 3 mm sections showed low elongation values, likely caused by a high pearlite content or presence of carbides, many others showed higher elongations and superior strengths well above those required in ASTM A536 grades. At moderate to high elongations, the thin-wall samples were significantly stronger than samples from identical irons of 12 mm section. A direct comparison between impact values could not be made due to different test specimen sizes, but it is clear that toughness in the two section sizes was roughly equivalent when account was made for the total cross sectional area. The main difference between the Impact properties in the two se.
Author: Kifah Nimat Al-Talabani
Publisher:
ISBN:
Category :
Languages : en
Pages : 187
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Book Description
Author: David M. De Witt
Publisher:
ISBN:
Category :
Languages : en
Pages : 336
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Book Description
Author: Mariusz Holtzer
Publisher: Springer
ISBN: 3319145835
Category : Technology & Engineering
Languages : en
Pages : 166
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Book Description
This book provides an overview of the surface effects at the interface boundary of metal/sand moulds, and their influence on the surface quality, microstructure and mechanical and anticorrosive properties of high-quality cast iron. It explores utilitarian aspects of the production of high-quality cast iron castings, including thin-walled castings of high-quality cast iron alloys, and examines problems related to the determination of moulding sands and reclaim quality, and their influence on castings. Presenting new material, this book takes into account the influence of metal quality, pouring temperature, solidification time, the quality of moulding sand with the reclaim application, as well the binders of moulding sands, on the formation of the degenerated graphite near surface layers. It also employs the latest research methods, such as a wavelength-dispersive spectrometer (WDS) analysis and thermodynamic calculations, which were carried out on the reactions occurring in the study area. Providing a valuable resource to academics and researchers interested in materials science, metal casting and metallurgy, this book is also intended for metal industry professionals.
