Microstructure Evolution and Cooling Characteristics at C−Si−Mn−Cr Steel during Different Quenching Processes

Zhang, Fei; Zhang, Tianyi; Chen, Sida; Shan, Quan; Li, Zulai

doi:10.1002/srin.202100582

Cited by 1 publication

(1 citation statement)

References 35 publications

(33 reference statements)

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“…This method, based on the principle of buoyancy discovered by Archimedes, involves measuring the mass of a sample in air and then in a liquid, typically water. [ 13 ] Equation (2) accounts for the buoyant force acting on the submerged sample, allowing for the determination of its density relative to the liquid. The method's accuracy hinges on precise measurements of the sample's mass in different media and the density of the immersion liquid, which is considered constant at a known temperature.…”

Section: Resultsmentioning

confidence: 99%

Assessment of Mechanical Behavior in H13 Tool Steel Synthesized through Electron Beam Melting and Selective Laser Melting Techniques

Han,

Wang,

Zhang

et al. 2024

steel research int.

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This study investigates H13 tool steel's microstructure and mechanical properties using selective laser melting (SLM) and electron beam melting (EBM). SLMed‐H13 steel has fine martensite, residual austenite, dense low‐angle grain boundaries (LAGBs), and nanoscale carbides, whereas EBMed‐H13 predominantly shows lamellar ferrite–bainite, needle‐like lower bainite (Blower), and spongy upper bainite (Bupper), with fewer LAGBs and larger carbides. SLMed‐H13 exhibits higher hardness (617.4 HV0.5) than EBM (532.17 HV0.5), with a yield strength (YS) of 1241.1 MPa, ultimate tensile strength (UTS) of 1412.2 MPa, and elongation (El) of 5.36%, versus EBM's 765.8 MPa YS, 1252.7 MPa UTS, and 6.89% El. SLM shows superior mechanical performance and wear resistance, with a coefficient of friction (COF) of 0.81, wear depth of 0.86 μm, wear track of 448.4 μm, and wear rate of 5.5 × 10−6 mm3 N−1 m−1, compared to EBM's 0.68 COF, 2.2 μm wear depth, 508 μm wear track, and wear rate of 6.5 × 10−6 mm3 N−1 m−1. Confocal microscopy highlights SLM's uniform wear tracks versus EBM's distinct microcutting, illustrating the impact of manufacturing techniques on material properties and wear performance.

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Section: Resultsmentioning

confidence: 99%

Assessment of Mechanical Behavior in H13 Tool Steel Synthesized through Electron Beam Melting and Selective Laser Melting Techniques

Han,

Wang,

Zhang

et al. 2024

steel research int.

View full text Add to dashboard Cite

show abstract

Microstructure Evolution and Cooling Characteristics at C−Si−Mn−Cr Steel during Different Quenching Processes

Abstract: The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/srin.202100582.

Cited by 1 publication

References 35 publications

Assessment of Mechanical Behavior in H13 Tool Steel Synthesized through Electron Beam Melting and Selective Laser Melting Techniques

Assessment of Mechanical Behavior in H13 Tool Steel Synthesized through Electron Beam Melting and Selective Laser Melting Techniques

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