Author: Kathy L. Hayrynen
Publisher:
ISBN:
Category :
Languages : en
Pages : 428

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Book Description

Author: Paul D. Fraley
Publisher:
ISBN:
Category :
Languages : en
Pages : 178

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Book Description

Author: Bulent Corlu
Publisher:
ISBN:
Category : Iron, Nodular
Languages : en
Pages : 84

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Book Description

Author: Dirk Lehmhus
Publisher: John Wiley & Sons
ISBN: 3527649867
Category : Technology & Engineering
Languages : en
Pages : 604

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Book Description
Lightness, efficiency, durability and economic as well as ecological viability are key attributes required from materials today. In the transport industry, the performance needs are felt exceptionally strongly. This handbook and ready reference covers the use of structural materials throughout this industry, particularly for the road, air and rail sectors. A strong focus is placed on the latest developments in materials engineering. The authors present new insights and trends, providing firsthand information from the perspective of universities, Fraunhofer and independent research institutes, aerospace and automotive companies and suppliers. Arranged into parts to aid the readers in finding the information relevant to their needs: * Metals * Polymers * Composites * Cellular Materials * Modeling and Simulation * Higher Level Trends

Author: American Foundrymen's Society
Publisher:
ISBN:
Category : Founding
Languages : en
Pages : 1120

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Author: P. Atanda
Publisher:
ISBN:
Category : Ductile iron
Languages : en
Pages : 11

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Book Description
The effect of process parameters on the mechanical properties of iso-thermally treated ductile irons was investigated in this study. Sets of ductile irons produced by sandwich method from a rotary furnace melt were given iso-thermal austempering treatments using commercial neutral salt baths. The samples were preheated at 350°C and held for 1 h in a muffle furnace, followed by ausenitizing in an ausenitizing salt bath furnace containing a mixture of BaCl2 and NaCI, (in the ratio 3:2) at 900°C and soaking at that temperature for 1 h. The samples were immediately transferred to the austempering salt bath furnace containing a mixture of NaNO3 and KNO2 in the ratio 1:1. Sets of the samples were soaked at 300°C for between 5 to 240 min and were all later cooled in air. The austempering procedure was repeated at 350 and 400°C for a second and third groups of samples, respectively. The results showed that austempering at lower temperature (300°C) produced a relatively high tensile strength of 1400 MPa, after 150 min holding compared with austempering at the higher temperature (400°C) which produced a relatively lower strength of 1200 MPa at the same holding time. However, the optimal processing window for the austempering was established to be the intermediate temperature of 350°C after a holding time of 150 min. At this processing window, austempering yielded the optimum combination of mechanical properties of 1502 MPa UTS, 7.5 % elongation, and impact energy of 108 J. These properties correspond to a microstructure consisting of a plate-like morphology of ausferrite and retained austenite.

Author: Miguel Angel Yescas-Gonzáles
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author:
Publisher:
ISBN:
Category : Founding
Languages : en
Pages : 592

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Author: Ranjit Kumar Panda
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659697043
Category :
Languages : en
Pages : 124

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Book Description
Even since its discovery in 1948, the use of ductile iron is increasing continuously, this is due to the combination of its various excellent mechanical properties. Excessive amount of research is being carried out to develop even better properties. Austempererd ductile iron is the most recent development in the area of ductile iron or S.G. iron. This is formed by an isothermal heat treatment of the ductile iron. The newly developed austempered ductile iron is now replacing steel in many fields so it has becoming very important to various aspects of this material. In the present work the effect of copper along with the process variables (austempering temperature and austempering time) on the properties (Hardness, Tensile strength and Elongation) and microstructure of ductile iron is studied. With increasing austempering time hardness, tensile strength and elongation are increasing but with increasing austempering temperature hardness and tensile strength are decreasing and elongation increasing. Austempered ductile iron with copper is showing some higher strength, hardness and lower elongation than the austempered ductile iron without copper. In microstructure ferrite is increasing

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.