August 1, 2025Journal of Physics Conference SeriesOpen Access

Effect of Tempering Temperature on the Microstructure and Properties of 40CrNiMoA Steel Used for the Flexspline of Harmonic Drive

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Increasing tempering temperature leads to a transition in the microstructure from tempered troostite to tempered sorbite, enhancing mechanical properties.
Key changes include a decrease in yield strength, tensile strength, and hardness, while improving impact energies at room temperature and -40°C.
The assessment was carried out across a temperature range of 400°C to 600°C, providing insights into mechanical behaviors under varied thermal conditions.
Optimal tempering was suggested within 400–450°C, balancing strength, ductility, and toughness for harmonic reducer applications.

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Implication

This analysis demonstrates how varying tempering temperatures affect microstructure and mechanical properties in 40CrNiMoA steel used for harmonic drive systems, suggesting optimal ranges.

Cite This Study

Sun et al. (2025) studied this question.

synapsesocial.com/papers/68af2ef0cf1dd9ea359e6cd8 https://doi.org/10.1088/1742-6596/3061/1/012024

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Implication

This analysis demonstrates how varying tempering temperatures affect microstructure and mechanical properties in 40CrNiMoA steel used for harmonic drive systems, suggesting optimal ranges.

Effect of Tempering Temperature on the Microstructure and Properties of 40CrNiMoA Steel Used for the Flexspline of Harmonic Drive

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Discussion

Implication

Cite This Study

Effect of Tempering Temperature on the Microstructure and Properties of 40CrNiMoA Steel Used for the Flexspline of Harmonic Drive

Key Points

Discussion

Implication

Cite This Study