Analysis of Boron on microstructure and composition of IC10 superalloy

被引:0
|
作者
Li, Qi [1 ]
Xiong, Ming [1 ]
Liu, FengMei [1 ]
Yue, Xiong [1 ]
Yi, Yaoyong [1 ]
机构
[1] China Ukraine EO Paton Inst Welding, Guangdong Prov Key Lab Adv Welding Technol, Guangdong Welding Inst, Guangzhou 510650, Guangdong, Peoples R China
来源
5TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY, ENVIRONMENT AND CHEMICAL ENGINEERING | 2019年 / 358卷
关键词
SINGLE-CRYSTAL;
D O I
10.1088/1755-1315/358/5/052009
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The microstructure and composition of IC10 superalloy containing B (0 wt%,1.1 wt%) were studied in this paper. DSC and microstructure analysis were used to compare the formation process of the microstructure and composition of the IC10 alloy with or without boron content. Precipitation temperatures and sequence of initial phases of IC10 alloys with or without B content were researched. The results shows that the exothermal peaks of formation for gamma, MC carbide, (gamma+gamma') eutectic and secondary gamma' phase reveal on DSC cooling curves. The alloys with 1.1% B have amephase component and the formation sequence of six phasesis gamma, MC, (gamma+gamma') eutectic, secondary gamma', M3B2 and Ni5Hf in turn. The boron content enhances the volume fraction of M3B2 and (gamma+gamma') eutectic, decreases the temperature of liquids and solidus and also delays the formation of MC and (gamma+gamma') eutectic obviously.
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页数:7
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