|
|
马上注册,结识高手,享用更多资源,轻松玩转三维网社区。
您需要 登录 才可以下载或查看,没有帐号?注册
x
This book is written as an undergraduate course in phase transformations for final year students specializing in metallurgy, materials science or- x9 |' O4 E s W
engineering materials. It should also be useful for research students interested in revising their knowledge of the subject. The book is based on
9 Y P8 \4 q! ?7 jlectures originally given by the authors at the University of Lulel for engineerins students specializing in engineering materials. Surprisingly we
9 d8 x' Z" a( ?) y# A3 _8 Ufound no modern treatments of this important subject in a form suitable for a course book, the most recent probably being P.G. Shewmon's Tramformations9 S& M- c' }$ Z3 A1 M5 {+ b$ j
in Metals (McGraw-Hilt, 1969). There have, however, been some notable developments in the subject over the last decade, particularly in" ?! C) v( _, Z% a, U# B) g
studies of interfaces between phases and interface migration, as well as the kinetics of precipitate growth and the stability of precipitates. There have/ n4 v+ h1 E; U8 [0 x
also been a number of important new practical developments based on phase transformations, including the introduction of TRIP steels (transformation8 B! R3 f7 n1 U, W% T* g
induced by plastic deformation). directionally aligned eutectic composites. and sophisticated new structural steeIs with superior weldability
7 r# I* S; I7 L( @' e/ fand forming properties. to mention just a few. In addition. continuous casting and high speed, high energy fusion welding have emerged strongly in& B+ B5 q/ G) N- M' H7 b1 u
recent years as irnportan t production applications of solidification. It was the objective of this course to present a treatment of phase transformations in
6 l5 D3 T6 T# F0 x. mwhich these and other new developments could be explained in terms of the basic principles of thermodynamics and atomic mechanisms. |
-
|