Effects of Hot Isostatic Pressing on the Microstructure of The Ni-base Super-alloy

被引：0
|
作者：
Choi, Choul Jun [1 ]
Choi, Hyun Yong [1 ]
Yang, Dong Jo [2 ]
Kim, Jae Yeol
机构：
[1] Korea Elect Technol Inst, Dept SMEs Partnerships & Cooperat Ctr, 1110-11 Oryong Dong, Kwangju, South Korea
[2] Gwangju Technopk, Dept NGV R&D Ctr, Gwangju, South Korea
来源：
MULTI-FUNCTIONAL MATERIALS AND STRUCTURES III, PTS 1 AND 2 | 2010年 / 123-125卷
关键词：
Gas Turbine Blade; HIP(High Iso-static Press); super-alloy; microstructure;
D O I：
10.4028/www.scientific.net/AMR.123-125.467
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Applied gas turbine blade material(Ni base Super-alloy) for aircraft as principal parts material of existing electricity generating gas turbine blade. Studied microstructure change after do heat treatment, Hot Isostatic Press(HIP) processing to nickel-based super-alloy. Emphasize in properties of matter refreshing effect confirmation by HIP processing, microstructure observed by scanning electron microscope. HIP processing effect caused positive effect in high temperature Creep and low cycle fatigue failure by microscopic air hole exclusion. gamma' Sheep of Eutectic region decreased solid solution being done B, and also precipitated gamma' size of cuboidal shape great. Heat treatment effect was seen modification by M23C6 carbide creation that Script MC carbide is microscopic and does Discrete through solution treatment in high temperature state. Precipitation that grow after HIP processing over solution processing and aging processing in heat treatment process solid solution after is done again precipitate being done size decrescent.
引用
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页码：467 / +
页数：2
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