Effect of Temper on Deformation and Mechanical Behaviors of Laser Melt-Deposited 12CrNi2 Low-Alloy Steel

Li, Z. X.; Zhang, S.; Cui, X.; Zhang, C. H.; Chen, J.; Zhang, J. B.

doi:10.1007/s11665-020-04808-8

Cited by 1 publication

(2 citation statements)

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“…For the samples at the same treatment condition, the red regions gradually decreased with respect to the increase of the yellow regions, indicating that the SF decreases for the samples from G1 to G5. In addition, the Q-IQ and Q-IQ-T samples show more red regions, indicating that there are more slip systems and less stress concentration [29]. In general, the sample G1 after Q-IQ-T heat treatment exhibits the highest value in SF, indicating improved toughness and plasticity via heat treatment.…”

Section: Resultsmentioning

confidence: 99%

“…Currently, there are some studies on analysing the mechanical properties, indicating that the mechanical properties of materials are improved after tempering treatment. Li et al [29] investigated the effect of tempering on the microstructure and tensile behaviour of 12CrNi2 material prepared by LMD. This study revealed that the elongation and the tensile strength of 12CrNi2 were simultaneously increased after the sample was subjected to tempering process.…”

Section: Introductionmentioning

confidence: 99%

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Characterisation of heat-treated gradient alloy steel fabricated by laser melting deposition

Liang

Zhang

Wang

et al. 2023

Materials Science and Technology

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A gradient alloy steel prepared by laser melting deposition (LMD) was subjected to two heat treatments (quenching-intercritical quenching denoted as Q-IQ and quenching-intercritical quenching-tempering denoted as Q-IQ-T). Results showed that martensite microstructure was changed to a duplex microstructure of martensite and ferrite after heat treatment, with a small number of Cr23C6 phases appearing. The samples before and after heat treatment exhibited random crystallographic orientation, while the grain was refined and the fraction of Cr23C6 increased after heat treatment. The samples after heat treatment possessed more slip systems and exhibited a decrease in hardness and wear resistance in comparison with LMDed sample. The corrosion resistance decreased in the order of Q-IQ > Q-IQ-T > LMDed samples in 3.5 wt-% NaCl solution.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%