What question did this study set out to answer?

To determine how residual copper content influences the high-temperature oxidation kinetics, scale morphology, and interfacial oxygen adsorption behavior of low-carbon steel at 1100 °C.

September 17, 2026steel research international

Experimental and First‐Principles Study on the Effect of Cu Content on High Temperature Oxidation Behavior of Low Carbon Steel

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Authors

PZPengwei ZhangWuhan University of Science and Technology YXYaowen XuUniversity of Science and Technology Liaoning GYGengwei YangWuhan University of Science and Technology

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Implication

Experimental and computational analysis reveals that residual copper accelerates oxidation and interfacial segregation in low-carbon steel, highlighting mechanisms behind recycled scrap degradation.

Key Points

To determine how residual copper content influences the high-temperature oxidation kinetics, scale morphology, and interfacial oxygen adsorption behavior of low-carbon steel at 1100 °C.
Examined the oxidation behavior of low-carbon steels containing varying copper concentrations at 1100 °C.
Characterized oxidation kinetics, scale morphology, and elemental segregation using scanning electron microscopy and electron probe microanalysis.
Modeled oxygen adsorption energy and interfacial electronic interactions using first-principles calculations.
Copper addition accelerated steel oxidation, causing increased surface roughness, structural discontinuities, and scale degradation.
Cu-enriched phases grew significantly with increasing copper concentration, transitioning from granular interfacial particles to continuous segregated layers and network-like structures.
First-principles simulations demonstrated that copper doping lowers O2 adsorption energy, strengthening oxygen adsorption at the interface to drive faster oxidation.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6aabb74e5f706d05830e6380 https://doi.org/10.1002/srin.70643

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Implication

Experimental and computational analysis reveals that residual copper accelerates oxidation and interfacial segregation in low-carbon steel, highlighting mechanisms behind recycled scrap degradation.

Experimental and First‐Principles Study on the Effect of Cu Content on High Temperature Oxidation Behavior of Low Carbon Steel

Discussion

Member takes

Implication

Key Points

Cite This Study

Experimental and First‐Principles Study on the Effect of Cu Content on High Temperature Oxidation Behavior of Low Carbon Steel

Discussion

Member takes

Implication

Key Points

Cite This Study

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