7 Introduction to the Interdependence Theory of Grain Formation and its Application to Aluminium, Magnesium and Titanium Alloys

被引：13
|
作者：
StJohn, David H. [1 ]
Easton, Mark A. [2 ]
Qian, Ma [1 ]
Cao, Peng [3 ]
Birmingham, Michael J. [1 ]
机构：
[1] Univ Queensland, CAST Cooperat Res Ctr, Brisbane, Qld 4072, Australia
[2] Monash Univ, Clayton, Vic 3069, Australia
[3] Univ Auckland, Auckland, New Zealand
来源：
LIGHT METALS TECHNOLOGY V | 2011年 / 690卷
关键词：
Nucleation; constitutional supercooling; grain refinement; nucleation-free zone; AL; REFINEMENT; PARTICLES; SIZE;
D O I：
10.4028/www.scientific.net/MSF.690.206
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Interdependence Theory is a theoretical description of grain formation that links heterogeneous nucleation to grain growth early in the initial transient of a previously nucleated grain. Thus nucleation is the result of a repeating cycle of growth and nucleation events moving towards the thermal centre of a casting. The principles of this theory are introduced and then the Interdependence equation that embodies the Interdependence Theory, is applied to the prediction of experimental grain size data for aluminium, magnesium and titanium-based alloy systems.
引用
收藏
页码：206 / +
页数：2
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