双临界间退火对0.107C-2.39Mn-0.453Si双相钢组织和力学性能的影响

IF 0.7 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of metals, materials and minerals Pub Date : 2022-12-26 DOI:10.55713/jmmm.v32i4.1537

N. Saenarjhan, G. Lothongkum, J. Opapaiboon

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引用次数: 0

摘要

采用双临界间退火技术对0.107%C-2.39%Mn-0.453%Si双相钢的力学性能进行了改善。通过显微组织观察和拉伸试验研究了双临界间退火(DIA)方法的效果，并与单临界间退火(SIA)方法进行了比较。随着临界间退火温度的升高，屈服强度和抗拉强度增加，而延展性降低主要是由于马氏体分数的增加。与临界间退火温度无关，DIA导致铁素体尺寸和马氏体分数略有降低。拉伸结果表明，DIA在不损失大量强度的情况下增加了延展性。结果表明，DIA方法可以在不增加工艺复杂性的情况下改善DP钢的力学性能。

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The effects of double intercritical annealing on microstructure and mechanical properties of 0.107C-2.39Mn-0.453Si dual phase steel

In this study, double intercritical annealing was applied to modify the mechanical properties of 0.107%C-2.39%Mn-0.453%Si dual phase steel. The effects of the double intercritical annealing (DIA) method were investigated via microstructure observation and tensile test, and then compared with the single intercritical annealing (SIA) method. By increasing the intercritical annealing temperature, yield and tensile strengths increase while ductility decreases primarily due to the increase of martensite fraction. DIA leads to a slight reduction of the ferrite size and the martensite fraction regardless of the intercritical annealing temperature. Tensile results showed that DIA increases ductility without losing significant amount of strength. The outcome implies that the DIA method can be used to modify the mechanical properties of DP steels without adding excessive complexity to the process.

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来源期刊

Journal of metals, materials and minerals MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.40

自引率

11.10%

发文量

期刊介绍： Journal of Metals, Materials and Minerals (JMMM) is a double-blind peer-reviewed international journal published 4 issues per year (starting from 2019), in March, June, September, and December, aims at disseminating advanced knowledge in the fields to academia, professionals and industrialists. JMMM publishes original research articles as well as review articles related to research and development in science, technology and engineering of metals, materials and minerals, including composite & hybrid materials, concrete and cement-based systems, ceramics, glass, refractory, semiconductors, polymeric & polymer-based materials, conventional & technical textiles, nanomaterials, thin films, biomaterials, and functional materials.