AHA-BUCH

Modelling Hot Deformation of Steels

An Approach to Understanding and Behaviour
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ISBN-13:
9783642525179
Einband:
Book
Erscheinungsdatum:
13.04.2014
Seiten:
148
Autor:
John Lenard
Gewicht:
318 g
Format:
254x179x15 mm
Sprache:
Englisch
Beschreibung:

99
1 State-of-the-Art of Controlled Rolling.- 2 Methods of Determining Stress-Strain Curves at Elevated Temperatures.- 3 Metallurgical Study of the Hot Upsetting of 1035 Steel.- 4 Computer-Aided Analysis and Modelling of Plastic Behaviour of Steels at Elevated Temperatures.- 5 Mapping Dynamic Material Behaviour.- Appendix Flow Curves of Microalloyed Steels.- 1. Introduction.- 2. Flow Curves of Steel No.1.- 3. Flow Curves of Steel No.2.- 4. References.- Author Index.
Computer Aided Engineering may be defined as an approach to solving tech nological problems in which most or all of the steps involved are automated through the use of computers, data bases and mathematical models. The success of this ap proach, considering hot forming, is tied very directly to an understanding of material behaviour when subjected to deformation at high temperatures. There is general agreement among engineers that not enough is known about that topic -and this gave the initial impetus for the project described in the present study. The authors secured a research grant from NATO (Special Research Grant 390/83) with a mandate to study the "State-of-the-Art of Controlled Rolling". What follows is the result of that study. There are five chapters in this Monograph. The first one, entitled "State-of-the Art of Controlled Rolling" discusses industrial and laboratory practices and research designed to aid in the development of microalloyed steels of superior quality. Follow ing this is the chapter "Methods of Determining Stress-Strain Curves at Elevated Temperatures". The central concern here is the material's resistance to deformation or in other words, its flow strength, the knowledge of which is absolutely essential for the efficient and economical utilization of the computers controlling the rolling process.