HIGH TEMPERATURE PROPERTIES OF A SINGLE CRYSTAL SUPERALLOY PWA1484 DIRECTLY RECYCLED AFTER TURBINE BLADE USE

被引：0
|
作者：
Utada, Satoshi [1 ,2 ]
Joh, Yuichiro [1 ,2 ]
Osawa, Makoto [2 ]
Yokokawa, Tadaharu [2 ]
Kobayashi, Toshiharu [2 ]
Kawagishi, Kyoko [2 ]
Suzuki, Shinsuke [1 ]
Harada, Hiroshi [1 ,2 ]
机构：
[1] Waseda Univ, Dept Appl Mech & Aerosp Engn, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan
[2] Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan
来源：
PROCEEDINGS OF THE 13TH INTENATIONAL SYMPOSIUM OF SUPERALLOYS (SUPERALLOYS 2016) | 2016年
基金：
日本科学技术振兴机构;
关键词：
Ni-base superalloy; Recycle; Creep; Oxidation; PWA1484; Desulfurization; Refming; Manufacturing;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
To achieve drastic cost reduction and stable supply of Ni-base single crystal superalloy turbine blades, we proposed direct recycle method that includes collecting of the components, remelting and refining in the CaO crucible, adjusting composition using the "Counter Alloying Method", and recasting into single crystals. In this study, used and scrapped Ni-base single crystal superalloy PWA1484 turbine blades were directly recycled and the properties of the recycled materials were evaluated by performing high temperature tests such as creep, cyclic oxidation, and high cycle fatigue. The recycled material showed properties equal to or better than the genuine ingot material.
引用
收藏
页码：591 / 599
页数：9
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