Paper Information

Title: 

DESIGN AND MANUFACTURE OF A LABORATORY DIRECTIONAL SOLIDIFICATION RIG FOR SUPERALLOYS VIA BRIDGMAN METHOD UNDER VACUUM

Type: PAPER
Author(s): HEYDARI ALIREZA,MOSTAFAPOUR SAMAN,KERMANPUR AHMAD,NEMATOLLAHI JAVAD,BAHMANI MAJID
 
 
 
Name of Seminar: NATIONAL VACUUM CONFERENCE IRAN
Type of Seminar:  CONFERENCE
Sponsor:  PAZHOHESHKADE OLOM VA SANAYE GHAZAEE
Date:  2012Volume 5
 
 
Abstract: 

DIRECTIONAL SOLIDIFICATION PROCESS IS ONE OF THE CONTROLLED SOLIDIFICATION METHODS FOR DEVELOPING DIRECTIONAL GRAIN STRUCTURE IN ENGINEERING PARTS. IN THE PRESENT WORK, A LABORATORY-SCALE DIRECTIONAL SOLIDIFICATION SYSTEM BASED ON BRIDGMAN METHOD WAS DESIGNED AND MANUFACTURED. THIS SYSTEM WAS USED FOR DIRECTIONAL SOLIDIFICATION OF IN792 NICKEL-BASED SUPERALLOY UNDER VACUUM AND ATMOSPHERIC CONDITIONS. MICRO- AND MACROSTRUCTURE OF SPECIMENS WERE INVESTIGATED AND THE EFFECT OF VACUUM ON QUALITY OF THE CAST PARTS WAS STUDIED.

 
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