Secondary hardening behavior in ausformed martensitic alloys with different Co content

Won, Yoon-Jung; Kwon, Young-Jun; Moon, Hee-Kwon; Park, Soo-Keun; Kwon, Hoon; Cho, Ki Sub

doi:10.1016/j.physb.2017.11.083

Cited by 5 publications

(1 citation statement)

References 15 publications

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“…The nucleation of carbides at various types of boundary is to be expected since these are energetically favorable sites, which also provide paths for the relatively rapid diffusion of solute, especially at the interface between the carbide and the matrix. Indirect proof of this observation is given by the nature of the in situ nucleation sites that lead carbide particles to grow more rapidly than those nucleated on dislocations [29].…”

Section: Carbide Transformation Mechanismmentioning

confidence: 99%

Carbide transformation behaviors of a Cr–Mo–V secondary hardening steel during over-ageing

Wang

et al. 2020

Mater. Res. Express

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The transformation of carbides in a 1.9Cr-1.4Mo-0.3 V secondary hardening steel that was subjected to over-ageing at 600°C-700°C has been investigated. The carbides were characterized using scanning electron microscope (SEM), x-ray diffraction (XRD), inductively coupled plasma-atomic emission spectrometry (ICP-AES), and transmission electron microscopy (TEM) preformed on carbon replicas. The results indicate that MC, M 2 C, and M 3 C were formed during over-ageing from 600 to 700°C, whereas M 7 C 3 , and M 23 C 6 started to be formed at 650 and 700°C, respectively. In addition, the co-existence of hexagonal and orthorhombic M 7 C 3 structures in a carbide particle was firstly observed. M 3 C was transformed to other carbides, and the formation of both M 2 C and M 23 C 6 may follow the 'separate nucleation' mechanism, whereas M 7 C 3 was transformed from M 3 C via the 'in situ nucleation' mechanism. The crystallographic orientation relationships between the in situ transformed M 7 C 3 and M 3

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Section: Carbide Transformation Mechanismmentioning

confidence: 99%

Carbide transformation behaviors of a Cr–Mo–V secondary hardening steel during over-ageing

Wang

et al. 2020

Mater. Res. Express

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Industrially produced 2.4 GPa ultra-strong steel via nanoscale dual-precipitates co-configuration

Wang,

Guo,

et al. 2024

Materials Characterization

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Ripening of L12 nanoparticles and their effects on mechanical properties of Ni28Co28Fe21Cr15Al4Ti4 high-entropy alloys

Peng

et al. 2020

Materials Science and Engineering: A

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Secondary hardening behavior in ausformed martensitic alloys with different Co content

Cited by 5 publications

References 15 publications

Carbide transformation behaviors of a Cr–Mo–V secondary hardening steel during over-ageing

Carbide transformation behaviors of a Cr–Mo–V secondary hardening steel during over-ageing

Industrially produced 2.4 GPa ultra-strong steel via nanoscale dual-precipitates co-configuration

Ripening of L12 nanoparticles and their effects on mechanical properties of Ni28Co28Fe21Cr15Al4Ti4 high-entropy alloys

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