FROM-THE-INTRODUCTION-TO-THE-FIRST-_1966_Directional-Solidification-of-Steel

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F R O M T H E I N T R O D U C T I O N T O T H E F I R S T E D I T I O N 
MANY excellent papers on feeding techniques have already been published; unfortunately most of 
them are scattered over many sources. For this reason well-established knowledge will be found 
here, as well as new information. For the sake of clarity this book will be based on the "classical" 
solidification theory of Chvorinov(1), who was the first to introduce the concept of "directional 
solidification"; in this he was at least twenty years before his time, and he anticipated a great deal 
of knowledge which today is often described as "new"—unfortunately in many instances without 
any acknowledgement to Chvorinov. 
The author is particularly grateful to Verein Deutscher Gießereifachleute and to the Wirtschafts­
verband Gießereiindustrie for their support in the publication of this book. With its publication it is 
hoped that a gap in the foundry industry will be filled. The author wishes success to all his readers 
in working through the book and putting its lessons into practice. 
THE AUTHOR 
Werth bei Stolberg 
(Rheinland)