Promising Versions of α-Martensite Rod-Like Crystal Initiation in Iron Alloys by Three Elastic Wave Sources

被引：0

作者：

Kashchenko, M. P. ^{[1
,2
]}

Chashchina, V. G. ^{[1
,2
]}

机构：

[1] Ural Fed Univ, Ekaterinburg, Russia

[2] Ural State Wood Technol Univ, Ekaterinburg, Russia

来源：

METAL SCIENCE AND HEAT TREATMENT | 2016年 / 58卷 / 5-6期

关键词：

dynamic theory; martensitic transformation; rod-shaped crystals; tetragonality; ultrasound power source; TRANSFORMATION;

D O I：

10.1007/s11041-016-9998-3

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Versions are provided for alpha-martensite rod-shaped crystal initiation by three orthogonal longitudinal elastic waves propagating in orthogonal directions of the types aOE (c) 001 >(gamma) and aOE (c) 110 >(gamma) in Fe - 31% Ni single crystals. The probability is considered of direct initiation by Bain-type deformation waves. It is demonstrated within the scope of dynamic theory that the anticipated orientation of rod-like crystals is close to aOE (c) 111 >(gamma) or to aOE (c) 905 >(gamma). Possible features of martensite crystal tetragonality are discussed. Ultrasound source power required for initiating martensitic transformation is determined.

引用

页码：254 / 258

页数：5

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