Transformation During Aging of Niobium-Rich Carbides in Cast Heat-Resistant Alloys

被引：1

作者：

Ortega-Reyes, Rosa ^{[1
]}

Haro-Rodriguez, Sergio ^{[2
]}

Sustaita-Torres, Ireri A. ^{[2
]}

Gonzalez, Francisco A. Perez ^{[1
]}

Ramirez-Ramirez, Javier H. ^{[1
]}

Garza-Montes-De-Oca, Nelson F. ^{[1
]}

Colas, Rafael ^{[1
]}

机构：

[1] Univ Autonoma Nuevo Leon, Fac Ingn Mecan & Elect, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico

[2] Univ Autonoma Zacatecas, Unidad Acad Ingn, Zacatecas 98000, Zacatecas, Mexico

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2022年 / 53卷 / 09期

关键词：

AUSTENITIC STAINLESS-STEELS; NB-BEARING SUPERALLOYS; G-PHASE; MICROSTRUCTURE; SOLIDIFICATION; ADDITIONS; SERVICE; CREEP; TI;

D O I：

10.1007/s11661-022-06753-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The changes occurring in two heat-resistant alloys while aged at 750 degrees C for different periods of time were studied. Aging promoted precipitation of secondary M23C6 carbides and transformation of Nb-rich, which were evaluated by SEM. The results show that transformation of the NbC starts from their boundaries to their centre by silicon diffusion; carbon was detected to migrate from these particles promoting precipitation of secondary Cr-rich carbides in regions adjacent to the Nb-rich particles.

引用

页码：3232 / 3238

页数：7

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