Predicting the Microstructure of a Valve Head during the Hot Forging of Steel 21-4N

Predicting the Microstructure of a Valve Head during the Hot Forging of Steel 21-4N

Valve microstructure is important during hot forging. Austenitic 21-4N steel is often used in exhaust valves. In this study, the microstructure evolution of the forging valve process was predicted using the internal state variables (i.e., average grain size, recrystallized fraction, and dislocation...

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Bibliographic Details
Main Authors: Hongchao Ji, Xiaomin Huang, Chenjun Ma, Weichi Pei, Jinping Liu, Baoyu Wang
Format: Article
Language:English
Published: MDPI AG 2018-05-01
Series:Metals
Subjects:
microstructure evolution
hot forging
21-4N
valve
constitutive equation
Online Access:http://www.mdpi.com/2075-4701/8/6/391

Internet

http://www.mdpi.com/2075-4701/8/6/391

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