How does stress relief heat treatment affect the microstructure of gray cast iron?
Best insight from top research papers
Stress relief heat treatment has been found to have a significant impact on the microstructure of gray cast iron. The treatment causes the edges of primary carbides to partially dissolve, resulting in rounded and blunt corners . Additionally, the quenching temperature during heat treatment affects the dissolution of carbides into the matrix, with the hardness and wear resistance of the cast iron first increasing and then decreasing . Tempering after quenching leads to the transformation of martensite into tempered martensite and an increase in the precipitation of secondary carbides . The tempering temperature also affects the coarseness of the secondary carbides, with the highest hardness and best wear resistance observed at a tempering temperature of 500 °C . Overall, heat treatment plays a crucial role in modifying the microstructure of gray cast iron, influencing its hardness, wear resistance, and erosion resistance .
Answers from top 4 papers
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| Papers (4) | Insight |
|---|---|
5 Citations | The provided paper does not discuss the effect of stress relief heat treatment on the microstructure of gray cast iron. |
2 Citations | The provided paper does not mention anything about stress relief heat treatment and its effect on the microstructure of gray cast iron. |
| The provided paper is about the effect of stress-relief heat treatments on the microstructure and mechanical response of additively manufactured IN625 thin-walled elements. It does not provide information about the effect of stress relief heat treatment on the microstructure of gray cast iron. | |
| The provided paper is about the effects of stress-relief heat treatment on the microstructure and fatigue property of a laser additive manufactured 12CrNi2 low alloy steel. It does not provide information about the effects of stress relief heat treatment on the microstructure of gray cast iron. |
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