Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 12    No. 3    June 2002

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Influence and prediction of hot deformation
 parameters on microstructure of
Ti-15-3 alloy
LI Ping(李  萍)1,XUE Ke-min(薛克敏)2
Lü Yan(吕  炎)2,TAN Jian-rong(谭建荣)1

1. College of Mechanical and Energy Engineering,
Zhejiang University,Hangzhou 310027, China;
2. School of Materials Science and Engineering,
Harbin Institute of Technology,Harbin 150001, China

Abstract:The effect of hot processing parameters on the microstructure of Ti-15-3 alloy after solution treatment was studied by isothermal compression test and metallurgical analysis. Predicting models for the relations between equivalent grain size and recrystallized grain volume percent with strain,strain rate and temperature have been developed with an artificial neural network method. The coincidence of predicted results with measured ones shows that the neural network can predict the influence of hot deformation parameters on the microstructure of Ti-15-3 alloy after solution treatment successfully. These studies are significant f or determining hot-forging processing parameters of Ti-15-3 alloy.

 

Key words: Ti-15-3 alloy; artificial neural network; equivalent grain size; recrystallized grain volume percent

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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