Nitrogen-Bearing Carbides in K417G Alloy Doped with Different Nitrogen Contents

Guo Liang Yang; Lian Xu Yu; Dan Jia; Wen Ru Sun; Hong Cai Yang; Zhuang Qi Hu

doi:10.4028/www.scientific.net/MSF.788.433

Paper Titles

Microstructure and Mechanical Properties of Microalloyed Multiphase Steel
p.406

High Cycle Fatigue Behavior of a Wrought Nickel-Base Superalloy GH4698
p.414

Influence of Master Alloy on the Cleanliness of Spray Formed Superalloy
p.421

Effect of Ta on the Solidification Behavior of Ni₃Al-Base Single-Crystal Superalloys
p.426

Nitrogen-Bearing Carbides in K417G Alloy Doped with Different Nitrogen Contents
p.433

Uniaxial Compression Test and FEM Simulation for GH4145 Superalloy at Room Temperature
p.438

Effect of Element V on the Microstructure and Mechanical Properties of DZ417G Superalloy
p.446

Coarsening Behavior of Precipitates in a Conventional Cast Nickel Base Superalloy during Long Term Thermal Exposure
p.452

Deformation and Damage Features of a 4.5% Re Nickel-Based Single Crystal Superalloy during Creep at Medium Temperature
p.459

HomeMaterials Science ForumMaterials Science Forum Vol. 788Nitrogen-Bearing Carbides in K417G Alloy Doped...

Nitrogen-Bearing Carbides in K417G Alloy Doped with Different Nitrogen Contents

Abstract:

By adding FeNCr6-A, K417G alloys with different nitrogen content from 4 to 32ppm were prepared by using the vacuum induction melting (VIM). The precipitation of the carbonitrides in the virgin alloys was studied. The results show that N mainly exists in Ti (N, C) phase which sometimes served as heterogeneous cores for the carbides in the alloy. Besides, a few isolated regular square blocky Ti (N,C) particles were also found in alloy with 10ppm N, and these isolated particles became larger in the alloy with 21ppm N. Moreover, as N level reaching 32ppm, the Ti (N,C) phase did not grown but these particles usually gathered together and formed many clusters. For the alloy with 4ppm N, the content of N in Ti (N,C) was lower, but for the alloys not less than 10ppm N, the N content of Ti (N,C) was higher and relatively stable.