August 22, 2025MetalsOpen Access

Low-Temperature Tempering to Tailor Microstructure, Mechanical and Contact Fatigue Performance in the Carburized Layer of an Alloy Steel for Heavy-Duty Gears

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Low-temperature tempering significantly reduces wear mass loss by 13% compared to higher tempering temperatures, enhancing overall wear resistance.
Specimens tempered at 175 °C achieve remarkable hardness of 800 HV and high compressive yield strength of 2940 MPa, indicating superior mechanical properties.
Layer-by-layer analysis reveals that low-temperature tempering promotes finer carbide precipitation, leading to improved microstructural characteristics within the carburized layer.
Solutions strengthening mechanisms utilized during low-temperature tempering enhance the toughness and stability of the carburized layer against fatigue stress.

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Implication

This research demonstrates low-temperature tempering enhances wear resistance and microstructure in carburized alloy steel, improving mechanical properties.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68af73567567bf4f94fecc84 https://doi.org/10.3390/met15090934

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Implication

This research demonstrates low-temperature tempering enhances wear resistance and microstructure in carburized alloy steel, improving mechanical properties.

Low-Temperature Tempering to Tailor Microstructure, Mechanical and Contact Fatigue Performance in the Carburized Layer of an Alloy Steel for Heavy-Duty Gears

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Implication

Cite This Study

Low-Temperature Tempering to Tailor Microstructure, Mechanical and Contact Fatigue Performance in the Carburized Layer of an Alloy Steel for Heavy-Duty Gears

Key Points

Discussion

Implication

Cite This Study

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