Mechanical Behavior of Carbon Steels in the Temperature Range of Mushy Zone

Dong Jin SEOL; Yong Mok WON; Kyu Hwan OH

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Mechanical Behavior of Carbon Steels in the Temperature Range of Mushy Zone

机译：糊状区温度范围内碳钢的力学行为。

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摘要

Tensile strength and ductility of carbon steels have been measured in the temperature range of mushy zone by the in-situ melting tensile test technique with Gleeble system. The specimen was melted and cooled to the test temperature before the tensile deformation in order to get the mechanical properties subject to the continuous casting process. During hot tensile test, a ceramic fiber tube was used to reduce the radial temperature gradient in the heated specimen. Tensile strength of carbon steels in the temperature rang eof mushy zone increased with decreasing test temperature, and was well described by the modified yield criterion for porous metals. The measured zero strength temperature (ZST) and zero ductility temperature (ZDT) were related to the solid fractions evaluated by the numerical simulation of microsegregation developed by Ueshima et al. The characteristic solid fractions of ZST and ZDT which corresponded to 0.75 and 0.99, respectively, were well described by the prediction equation on ZST and ZDT at given steel compositions and cooling rates.

机译：碳钢的拉伸强度和延展性是通过使用Gleeble系统的原位熔融拉伸试验技术在糊状区的温度范围内测量的。在拉伸变形之前，将样品熔化并冷却至测试温度，以使机械性能经受连续铸造过程的影响。在热拉伸试验过程中，使用陶瓷纤维管降低加热样品的径向温度梯度。碳钢在糊状区温度范围内的拉伸强度随测试温度的降低而增加，并通过多孔金属的屈服准则进行了很好的描述。测得的零强度温度（ZST）和零延性温度（ZDT）与通过Ueshima等人开发的微观偏析的数值模拟评估的固体分数有关。在给定的钢成分和冷却速率下，ZST和ZDT的预测方程很好地描述了ZST和ZDT的特征性固形分，分别对应于0.75和0.99。

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来源
《ISIJ international》 |2000年第4期|p.356-363|共8页
作者
Dong Jin SEOL; Yong Mok WON; Kyu Hwan OH;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类黑色金属材料;钢铁冶炼（黑色金属冶炼）（总论）;
关键词
tensile strength; mushy zone; zero strength temperature (ZST); zero ductility temperature (ZDT);

机译：抗拉强度;糊状区零强度温度（ZST）;零延性温度（ZDT）;

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1. High Temperature Mechanical Properties of Micro-alloyed Carbom-Steel in the Mushy Zone [J] . L. Guo, W. Li, M. Bobadilla, Steel Research International . 2010,第5期

机译：糊状区微合金碳钢的高温力学性能
2. Thermo-mechanical cyclic hardening behavior of 304 stainless steel at large temperature ranges: Experiments and simulations [J] . Ohno Nobutada, Yamamoto Ryohei, Okumura Dai International Journal of Mechanical Sciences . 2018,第期

机译：大型温度范围内304不锈钢的热机械环状硬化行为：实验和模拟
3. Effect of Cladding Conditions on Solidification Cracking Behavior during Dissimilar Cladding of Inconel Alloy FM 52 and 308L Stainless Steel to Carbon Steel: Evaluation of Solidification Brittle Temperature Range by Transverse-Varestraint Test [J] . Journal of Korean Institute of Metal and Materials . 2020,第6期

机译：包覆条件对Inclical合金FM 52和308L不锈钢与碳钢的不同包层凝固裂解行为的影响：横向紫花率试验评价凝固脆性温度范围
4. Thermo-Mechanical Cyclic Plastic Behavior of 304 Stainless Steel at Large Temperature Ranges [C] . Nobutada Ohno, Ryohei Yamamoto, Dai Okumura Asia-Pacific Symposium on Engineering Plasticity and its Applications . 2017

机译：在大温度范围内的304不锈钢的热机械循环塑性行为
5. High temperature deformation behavior of Inconel 718 at temperatures reaching into the mushy zone. [D] . Lewandowski, Michael Stanley. 2000

机译：Inconel 718在进入糊状区的温度下的高温变形行为。
6. Two flow stress models for describing hot deformation behavior of AISI-1045 medium carbon steel at elevated temperatures [O] . Mohanraj Murugesan, Dong Won Jung 2019

机译：用于描述AISI-1045中碳钢在高温下的热变形行为的两个流动应力模型
7. Mechanical properties of various concrete after high temperature exposure Mechanical property of various types of concrete after high temperature exposure is investigated. Considering compressive strength requirement for a vertical element in high rise building, concrete specimens with various design strengths of 35, 80, 100, and 150 MPa were tested. Particularly, the influence of incorporated steel fiber on fire resistance is of interest in this study. Experimental results show that the fire resistance depends on the design strength and steel fiber content. Normal strength concrete (NSC) of a design strength of 35 MPa or high performance concrete (HPC) of 80-100 MPa does not spall when exposed to 100-400 °C of temperature. However, an explosive spalling occurs at 300 °C when the HPCs contain 1 vol. of steel fiber. Ultra-high performance concrete (UHPC) of a design strength of 150 MPa and 1.5 vol. of steel fiber also shows dramatic spalling at 300 °C. The experimental results found in this study can contribute to a better understanding of the behaviors of HPC and UHPC under fire and the role of steel fiber on the fire resistance. [O] . 2017

机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。

Mechanical Behavior of Carbon Steels in the Temperature Range of Mushy Zone

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