Effect of intercritical annealing on the mechanical properties of dual-phase steel
Effect of intercritical annealing on the mechanical properties of dual-phase steel
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DOI：
10.1080/03019233.2022.2062163
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发表时间：
2022-04
影响因子：
2.1
通讯作者：
James Ayres;D. Penney;P. Evans;R. Underhill
中科院分区：
文献类型：
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作者：
James Ayres;D. Penney;P. Evans;R. Underhill
采用不同的临界退火温度对双相钢化学进行了处理，并研究了性能。研究发现，提高临界区温度会导致马氏体体积分数（52%–65%）和晶粒尺寸（1.8–3.3 µm）增加，而铁素体体积分数和晶粒尺寸下降。在低临界温度下发现了最高的拉伸强度，达到 935 MPa，同时在最高临界温度下实现了 21% 的最高伸长率。
A dual-phase steel chemistry has been processed with varying intercritical annealing temperatures and the properties investigated. It was found that increasing the temperature in the intercritical region led to an increase in the volume fraction (52%–65%) and grain size (1.8–3.3 µm) of martensite whilst the volume fraction and grain size of ferrite decreased. The highest tensile strengths were found at low intercritical temperatures, achieving 935 MPa whilst the highest elongation values of 21% were achieved at the highest intercritical temperatures.