Chen Gu

Chen Gu
McMaster University | McMaster · Department of Materials Science and Engineering

PhD

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10
Publications
794
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19
Citations

Publications

Publications (10)
Article
The application of Ni-containing steels with excellent cryogenic toughness is limited by the high price of Ni resources. This study aims to explore the optimal process for quenching-intercritical annealing-tempering (QLT) treatment of newly designed low-cost Nb-bearing 7Ni steel. The effect of Nb microalloying on the strength-toughness combination...
Article
Heterostructured austenitic stainless steels (ASS) are becoming a significant research area because of their outstanding mechanical properties and considerable potential for various applications. However, the thermal stability of heterogeneous microstructures, particularly the bimodal microstructure, has received limited attention and lacks systema...
Article
Full-text available
The spatial distribution of precipitates and microstructure heterogeneity in a vacuum induction melted X70 steel rolled at a pilot-scale facility were investigated using advanced characterization techniques. Electron Backscatter Diffraction was used to identify areas with low and high Kernel Average Misorientation (KAM). A newly developed procedure...
Article
Full-text available
The cast slab of low grades non-oriented electrical steels experiences twice diffusional solid phase transformation and demonstrates the features of strong morphological memory referring to columnar structure and texture memory referring to the preferred <100> texture at room temperature. In this paper, electron backscatter diffraction (EBSD), quas...

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