ELECTROSLAG REMELTING OF COBALT-BASE SUPERALLOYS.

被引：0
|
作者：
Nafziger, R.H.
Lincoln, R.L.
机构：
来源：
Cobalt & Cobalt Abstracts | 1974年 / 04期
关键词：
D O I：
暂无
中图分类号：
TF8 [有色金属冶炼]; TG146 [有色金属及其合金];
学科分类号：
080603 ;
摘要：
A study was undertaken to determine the feasibility and possible advantages of electroslag remelting three cobalt-base superalloys - i. e. , MAR-M 302, MAR-M 509, and X-45 - selected to cover as wide a composition range as possible. The alloys were successfully electroslag remelted in an inert gas using single-phase a. c. power and CaF//2-CaO-Al//2O//3 or CaF//2-CaO-MgO-Al//2O//3 fluxes. Vacuum-arc remelts were prepared for comparison purposes. Stress-rupture data indicated a slight superiority of electroslag remelted over vacuum-arc remelted material at all temperatures for MAR-M 302, and at medium temperatures for MAR-M 509 and X-45.
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页码：79 / 85
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