The Effect of Section Size on the Physical Properties of Ductile Iron PDF Download
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Author: Joseph James Connelly
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Book Description
Author: Joseph James Connelly
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Book Description
Author: Al Alagarsamy
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 300
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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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: Kuang-Oscar Yu
Publisher: CRC Press
ISBN: 1482277336
Category : Science
Languages : en
Pages : 719
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Book Description
This text seeks to provide a comprehensive technical foundation and practical examples for casting process modelling technology. It highlights fundamental theory for solidification and useful applications for industrial production. It also details shape and ingot castings, semi-solid metalworking, and spray forming.
Author: J. W. Bolton
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 30
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Book Description
The term gray iron is generic rather than specific and covers a wide range of alloys of iron, carbon and silicon. In usual commercial practice these alloys range from somewhat above 2.2 per cent carbon up to about 3.8 per cent, with silicon content 0.5 to 3.0 per cent. Carbon in excess of the amount contained in the combined form (that is, in the pearlite present) occurs in the form of free graphite flakes--hence, gray iron is free from white chill spots due to massive cementite. The physical properties at room temperature of various gray irons vary considerably. The tensile strength of different classes or grades runs from about 18,000 up to 60,000 lb. per sq. in., the Brinell hardness ranges from 120 to 240, and many other properties vary over wide ranges, according to the class or grade, and according to the section size of the casting.
Author: Madeleine Durand-Charre
Publisher: Springer Science & Business Media
ISBN: 3662087294
Category : Technology & Engineering
Languages : en
Pages : 407
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Book Description
The book comprises three parts. Part 1 gives a historical description of the development of ironworking techniques since the earliest times. Part 2 is the core of the book and deals with the metallurgical basis of microstructures, with four main themes: phase diagrams, solidification processes, diffusion, and solid state phase transformations. Part 3 begins by an introduction to steel design principles. It then goes on to consider the different categories of steels, placing emphasis on their specific microstructural features. Finally, a comprehensive reference list includes several hundred pertinent articles and books. The book is the work of a single author, thus ensuring uniformity and concision. It is intended for scientists, metallurgical engineers and senior technicians in research and development laboratories, design offices and quality departments, as well as for teachers and students in universities, technical colleges and other higher education establishments.
Author: Charles Fayette Taylor
Publisher: MIT Press
ISBN: 9780262700276
Category : Technology & Engineering
Languages : en
Pages : 804
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Book Description
This revised edition of Taylor's classic work on the internal-combustion engine incorporates changes and additions in engine design and control that have been brought on by the world petroleum crisis, the subsequent emphasis on fuel economy, and the legal restraints on air pollution. The fundamentals and the topical organization, however, remain the same. The analytic rather than merely descriptive treatment of actual engine cycles, the exhaustive studies of air capacity, heat flow, friction, and the effects of cylinder size, and the emphasis on application have been preserved. These are the basic qualities that have made Taylor's work indispensable to more than one generation of engineers and designers of internal-combustion engines, as well as to teachers and graduate students in the fields of power, internal-combustion engineering, and general machine design.
Author: Joseph R. Davis
Publisher: ASM International
ISBN: 9780871705648
Category : Technology & Engineering
Languages : en
Pages : 514
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Book Description
Cast iron offers the design engineer a low-cost, high-strength material that can be easily cast into a wide variety of useful, and sometimes complex, shapes. This handbook from ASM covers the entire spectrum of one of the most widely used and versatile of all metals.
Author: Okorafor Ekpe Okorafor
Publisher:
ISBN:
Category : Iron
Languages : en
Pages : 180
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Author: American Foundrymen's Society
Publisher:
ISBN:
Category : Founding
Languages : en
Pages : 1000
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Book Description
