Influence of yttrium addition on high temperature oxidation resistance of single crystal superalloy

2013 ◽  
Vol 31 (8) ◽  
pp. 795-799 ◽  
Author(s):  
Zhenxue SHI ◽  
Shizhong LIU ◽  
Mei HAN ◽  
Jiarong LI
Keyword(s):  
High Temperature ◽  
Single Crystal ◽  
Oxidation Resistance ◽  
High Temperature Oxidation ◽  
Single Crystal Superalloy ◽  
Temperature Oxidation ◽  
Yttrium Addition

Effect of Yttrium Addition on High Temperature Oxidation Resistance of Co-10Cr-5Al Alloys

2011 ◽  
Vol 391-392 ◽  
pp. 606-610 ◽  
Author(s):  
Huai Shu Zhang ◽  
Hong Hua Zhang ◽  
Jun Huai Xiang ◽  
Shan Wang ◽  
Di Wu
Keyword(s):  
High Temperature ◽  
Oxidation Resistance ◽  
Oxidation Rate ◽  
High Temperature Oxidation ◽  
Oxidation Behavior ◽  
Temperature Oxidation ◽  
Linear Rate ◽  
Rate Law ◽  
Yttrium Addition ◽  
Parabolic Rate

The oxidation behavior of Co-10Cr-5Al-0.3Y alloy in 1 atm of pure O2 at 700°C was investigated. The addition of 0.3 at.%Y significantly increased the oxidation rate of the alloy and changed the oxidation behavior from the approximate parabolic rate law to linear rate law. The scale grown on the surface at 700°C was porous with many small voids and cracks, and was composed of an outer CoO layer and an inner complex layer rich in Al2O3 and Cr2O3 which were intermingled with yttric oxide and spinel Co(Cr, Al)2O4.

High temperature oxidation and γ′ depletion in the single-crystal superalloy PWA 1484

2016 ◽  
Vol 33 (4-5) ◽  
pp. 476-488 ◽  
Author(s):  
Robert L. Amaro ◽  
Stephen D. Antolovich ◽  
Richard W. Neu ◽  
Preet M. Singh
Keyword(s):  
High Temperature ◽  
Single Crystal ◽  
High Temperature Oxidation ◽  
Single Crystal Superalloy ◽  
Temperature Oxidation

scholarly journals Effect of Yttrium Addition on the High-Temperature Oxidation Resistance of Ni3Al Alloy

1989 ◽  
Vol 53 (6) ◽  
pp. 585-592 ◽  
Author(s):  
Shouichi Ochiai ◽  
Toshio Suzuki ◽  
Yo Kojima ◽  
Masaru Kobayashi ◽  
Yasunori Torisaka
Keyword(s):  
High Temperature ◽  
Oxidation Resistance ◽  
High Temperature Oxidation ◽  
Al Alloy ◽  
Temperature Oxidation ◽  
Yttrium Addition
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