The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login
|
Sign Up
|
Oriprobe Inc.
|
Feed
Home
Journals
Order
TOC Alerts
Subscription
Products & Services
Pricing
FAQ
About
Journal Articles
Laws/Policies/Regulations
Companies/Products
Title, abstract, keywords:
Combined Search
Advanced Search
Pay per View through On Demand Search
Package:
ALL
Astro-Earth Science
Agriculture
Physics
Mathematics
Arts & Humanities
Medline Collection
Health/Medicine/Biology
Chemistry/Chemical Engineering
CAOD
English Journals
Traditional Chinese Medicine
NPC CPPCC Journals
China Defense and Military Sciences
Author:
Journal / Book Title:
Year:
Volume:
Issue:
Research of Effects on Mechanism of Nucleation Rate by Pulse Current
Author(s):
WANG Qing-jie
,
YU Zhi-qing
,
MA Zhen-ning
Pages:
227
-
229
Year:
2006
Issue:
4
Journal:
JOURNAL OF LIAONING INSTITUTE OF TECHNOLOGY
Keyword:
脉冲电流
;
电磁应力
;
过冷度
;
形核率
;
Abstract:
根据经典的形核理论及脉冲电流对凝固组织的作用机理,从电磁场理论出发研究了脉冲电流作用下晶粒细化的作用机制.通过讨论过冷度的变化对形核率的影响,研究了电流产生的电磁力效应及焦耳热效应对过冷度的影响,建立了电流与过冷度的关系式.研究结果表明了电流对形核率的影响主要是由于电流改变了过冷度,电流能否细化凝固组织由电磁力和焦耳热效应引起的过冷度的变化决定,并与脉冲宽度有关.
Citations
Searching Exception
Related Articles
loading...