Journal of Iron and Steel Research International最新文献

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Contact-reactive brazing mechanism of Al0.3CoCrFeNi high-entropy alloys using a niobium interlayer 使用铌中间膜的 Al0.3CoCrFeNi 高熵合金的接触反应钎焊机理
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-28 DOI: 10.1007/s42243-024-01314-2
Yu Lei, Yi-nan Li, Xiao-guo Song, Sheng-peng Hu, Wei-min Long, Hai-chuan Shi, Zu-bin Chen
{"title":"Contact-reactive brazing mechanism of Al0.3CoCrFeNi high-entropy alloys using a niobium interlayer","authors":"Yu Lei, Yi-nan Li, Xiao-guo Song, Sheng-peng Hu, Wei-min Long, Hai-chuan Shi, Zu-bin Chen","doi":"10.1007/s42243-024-01314-2","DOIUrl":"https://doi.org/10.1007/s42243-024-01314-2","url":null,"abstract":"<p>The contact-reactive brazing of Al<sub>0.3</sub>CoCrFeNi high-entropy alloys with a Nb interlayer was researched. The effects of Nb thickness and brazing temperature on the interfacial microstructure and mechanical properties of Al<sub>0.3</sub>CoCrFeNi joints were investigated. The results show that with Nb thickness increasing from 10 to 100 μm, the average width of Al<sub>0.3</sub>CoCrFeNi joints is increased from 127 to 492 μm and the erosion volume of Al<sub>0.3</sub>CoCrFeNi base metals (BMs) by face-centered cubic-Nb eutectic liquid is enlarged accordingly. With increasing brazing temperature from 1280 to 1360 °C, the intergranular penetration of eutectic liquid into Al<sub>0.3</sub>CoCrFeNi BMs becomes more severe and lamellar Laves phase is broken-up and spherized. The shear strength of joint is increased gradually from 374 to 486 MPa and then decreased to 475 MPa. The maximum shear strength value of 486 MPa is obtained when brazing at 1340 °C for 10 min, reaching about 78% of the shear strength of Al<sub>0.3</sub>CoCrFeNi BMs. Besides, the brazing mechanism was analyzed in details.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"37 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of internal quality of billets using ultrasonic three-dimensional layered characterization 利用超声波三维分层表征评估钢坯内部质量
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-27 DOI: 10.1007/s42243-024-01292-5
Yan-bo Liu, Min Li, Zheng Zhao, Zhong-xin Wang, De-bin Yang
{"title":"Assessment of internal quality of billets using ultrasonic three-dimensional layered characterization","authors":"Yan-bo Liu, Min Li, Zheng Zhao, Zhong-xin Wang, De-bin Yang","doi":"10.1007/s42243-024-01292-5","DOIUrl":"https://doi.org/10.1007/s42243-024-01292-5","url":null,"abstract":"<p>To address the challenge of visualizing internal defects within castings, ultrasonic nondestructive testing technology has been introduced for the detection and characterization of internal defects in castings. Ultrasonic testing is widely utilized for detecting and characterizing internal defects in materials, thanks to its strong penetration ability, wide testing area, and fast scanning speed. However, traditional ultrasonic testing primarily relies on one-dimensional waveforms or two-dimensional images to analyze internal defects in billets, which hinders intuitive characterization of defect quantity, size, spatial distribution, and other relevant information. Consequently, a three-dimensional (3D) layered characterization method of billets internal quality based on scanning acoustic microscope (SAM) is proposed. The method starts with a layered focus scanning of the billet using SAM and pre-processing the obtained sequence of ultrasonic images. Next, the ray casting is employed to reconstruct 3D shape of defects in billets, allowing for characterization of their quality by obtaining characteristic information on defect spatial distributions, quantity, and sizes. To validate the effectiveness of the proposed method, specimens of 42CrMo billets are prepared using five different processes, and the method is employed to evaluate their internal quality. Finally, a comparison between the ultrasonic image and the metallographic image reveals a difference in dimensional accuracy of only 2.94%. The results indicate that the new method enables visualization of internal defect information in billets, serving as a valuable complement to the traditional method of characterizing their internal quality.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"18 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Probing local difference of martensite formation: a study on localized deformation modes in drawn 304H stainless steel wires 探测马氏体形成的局部差异:304H 不锈钢拉丝局部变形模式研究
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-27 DOI: 10.1007/s42243-024-01308-0
Zhi-xian Peng, Rong-zhe Hu, Jing Liu, Ke Peng, Zhen Wang, Zheng-liang Xue
{"title":"Probing local difference of martensite formation: a study on localized deformation modes in drawn 304H stainless steel wires","authors":"Zhi-xian Peng, Rong-zhe Hu, Jing Liu, Ke Peng, Zhen Wang, Zheng-liang Xue","doi":"10.1007/s42243-024-01308-0","DOIUrl":"https://doi.org/10.1007/s42243-024-01308-0","url":null,"abstract":"<p>304H austenitic stainless steel wire was investigated, emphasizing microstructural deformation, martensite phase transformation, and residual magnetic properties during drawing. Utilizing several microstructural observation techniques, the volume fraction of martensite, modes of grain deformation in distinct regions, and the phase relationship between austenite and martensite were comprehensively characterized. In addition, a finite element simulation with representative volume elements specific to different zones also offers insights into strain responses during the drawing process. Results from the first-pass drawing reveal that there exists a higher volume fraction of martensite in the central region of 304H austenitic stainless steel wire compared to edge areas. This discrepancy is attributed to a concentrated presence of shear slip system {111}&lt;110&gt;γ crystallographic orientation, primarily accumulating in the central region obeying the Kurdjumov–Sachs path. Subsequent to the second drawing pass, the cumulative shear deformation within distinct regions of the steel wire became more pronounced. This resulted in a progressive augmentation of the volume fraction of martensite in both the central and peripheral regions of the steel wire. Concurrently, this led to a discernible elevation in the overall residual magnetism of the steel wire.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"57 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructural and nanomechanical behavior of friction stir welded dissimilar joint of AA2219-T6/AA2195-T8 alloys AA2219-T6/AA2195-T8 合金异种摩擦搅拌焊接接头的微观结构和纳米力学行为
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-20 DOI: 10.1007/s42243-024-01272-9
Di-chao Wu, Fei-fan Wang, Shen Li, Wen-qin Wang, De Wang, Yu-long Li, Tan Miao
{"title":"Microstructural and nanomechanical behavior of friction stir welded dissimilar joint of AA2219-T6/AA2195-T8 alloys","authors":"Di-chao Wu, Fei-fan Wang, Shen Li, Wen-qin Wang, De Wang, Yu-long Li, Tan Miao","doi":"10.1007/s42243-024-01272-9","DOIUrl":"https://doi.org/10.1007/s42243-024-01272-9","url":null,"abstract":"<p>To achieve the new strategy of low cost and outstanding property, friction stir welding (FSW) was used to join AA2219-T6 alloy and AA2195-T8 alloy. The relationship between macro/microstructure and nanomechanical properties was established by using a nanoindentation instrument. During FSW, the grains in stir zone were refined by recrystallization, and the main mechanism of recrystallization was continuous dynamic recrystallization and geometric dynamic recrystallization. The overall micro-hardness value of AA2195 alloy was higher than that of AA2219 alloy due to the strength of the material, and the decrease in hardness value is attributed to the dissolution and coarsening of precipitation. Each zone of the dissimilar joint showed obvious indentation size effect, and the highest nano-hardness values of 2219-base metal (BM) and 2195-BM zones were 1.42 and 1.71 GPa, respectively. The nano-hardness is closely related to the precipitation behavior and follows the same law as the distribution of micro-hardness. The creep mechanism was mainly dislocation slip. The combined action of grain boundary, dislocation, and coarse precipitation can affect creep resistance, in which coarse precipitation plays a dominant role.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"41 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of pellet size on pellet sintering process of manganese ore fines at natural basicity 球团尺寸对自然碱度下锰矿粉球团烧结工艺的影响
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-20 DOI: 10.1007/s42243-024-01304-4
Wei Liu, Jian Pan, De-qing Zhu, Gen Li, Xiang He, Wu-ju Zhang
{"title":"Effect of pellet size on pellet sintering process of manganese ore fines at natural basicity","authors":"Wei Liu, Jian Pan, De-qing Zhu, Gen Li, Xiang He, Wu-ju Zhang","doi":"10.1007/s42243-024-01304-4","DOIUrl":"https://doi.org/10.1007/s42243-024-01304-4","url":null,"abstract":"<p>The permeability of the sintering process can be significantly improved by the pellet sintering, but the excessive permeability will impact the heat accumulation of the sinter bed. Thus, it is very essential to clarify the influence of the pellet particle size on the heat transfer process of sintering. Therefore, pilot-scale sinter pot tests of pellet sintering with manganese ore fines of different particle sizes were conducted, and traditional sintering was compared to reveal the heat transfer process of sintering and its impact on the microstructure of sintered ore. The results indicate that under suitable pellet sizes (8–12 mm), the heat transfer efficiency and the heat accumulation effect between the layers of sinter bed are strengthened by the pellet sintering, as well as the highest temperature in the combustion zone and the duration of high-temperature zone. This also leads to the further growth of ferrotephroite or hausmannite in liquid phase and its more reasonable crystal distribution. Ultimately, compared with the traditional sintering process, the total solid fuel consumption can be reduced by 20%–30%, and the productivity can be increased by 11.71%–16.21%.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"11 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Process mechanism research on direct vortex melting reduction of vanadium–titanium magnetite 钒钛磁铁矿直接涡流熔融还原工艺机理研究
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-19 DOI: 10.1007/s42243-024-01290-7
Yong-chao Han, Zhi-he Dou, Zhan-ning Yang, Wei Xie, Ting-an Zhang
{"title":"Process mechanism research on direct vortex melting reduction of vanadium–titanium magnetite","authors":"Yong-chao Han, Zhi-he Dou, Zhan-ning Yang, Wei Xie, Ting-an Zhang","doi":"10.1007/s42243-024-01290-7","DOIUrl":"https://doi.org/10.1007/s42243-024-01290-7","url":null,"abstract":"<p>In response to the new mechanism of direct vortex melting reduction of vanadium–titanium magnetite, the reaction control mechanism and the migration regularity of valuable components in the process of direct melting reduction were investigated using kinetic empirical equation by fitting and combining with X-ray diffraction, X-ray fluorescence, scanning electron microscopy, energy-dispersive spectrometry, and optical microscopy. The results show that iron reduction is controlled by the mass transfer process of (FeO<sub><i>x</i></sub>) in the slag, while vanadium reduction is controlled by both the mass transfer of (VO<sub><i>x</i></sub>) in the slag and the mass transfer of [V] in the molten iron, and the slag–metal interfacial reaction is the only pathway for vanadium reduction. The reduction of iron and vanadium is an obvious first-order reaction, with activation energy of 101.6051 and 197.416 kJ mol<sup>−1</sup>, respectively. Increasing the vortex rate and reaction temperature is beneficial to improving the reaction rate and reduction efficiency. The mineral phase variation of iron and vanadium in the slag during the reduction process is Fe<sub>2</sub>O<sub>3</sub> → Fe<sub>3</sub>O<sub>4</sub>/FeV<sub>2</sub>O<sub>4</sub> → FeTiO<sub>3</sub> and FeV<sub>2</sub>O<sub>4</sub> → MgV<sub>2</sub>O<sub>5</sub>; titanium in slag is mainly in the form of Mg<sub><i>x</i></sub>Ti<sub>3−<i>x</i></sub>O<sub>5</sub> (0 ≤ <i>x</i> ≤ 1) and CaTiO<sub>3</sub>. As the reaction time went on, the molar ratio (<i>n</i><sub>Ti</sub>/<i>n</i><sub>Mg</sub>) in Mg<sub><i>x</i></sub>Ti<sub>3−<i>x</i></sub>O<sub>5</sub> (0 ≤ <i>x</i> ≤ 1) and the Ti<sub>2</sub>O<sub>3</sub> content in the slag gradually went up, while the area proportion of Mg<sub><i>x</i></sub>Ti<sub>3−<i>x</i></sub>O<sub>5</sub> (0 ≤ <i>x</i> ≤ 1) went up and then down, and the porosity of the slag and the grain size of Mg<sub><i>x</i></sub>Ti<sub>3−<i>x</i></sub>O<sub>5</sub> (0 ≤ <i>x</i> ≤ 1) got smaller.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"62 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding thermal compression and deformation behavior of 3.15 wt.% Si non-oriented electrical steels prepared by sub-rapid solidification 了解亚快速凝固法制备的 3.15 重量%硅无取向电工钢的热压缩和变形行为
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-19 DOI: 10.1007/s42243-024-01303-5
Hui-hui Wang, Wan-lin Wang, Hua-long Li, Sheng-jie Wu, Pei-sheng Lyu, Bao-jun Zhao, Chen-yang Zhu
{"title":"Understanding thermal compression and deformation behavior of 3.15 wt.% Si non-oriented electrical steels prepared by sub-rapid solidification","authors":"Hui-hui Wang, Wan-lin Wang, Hua-long Li, Sheng-jie Wu, Pei-sheng Lyu, Bao-jun Zhao, Chen-yang Zhu","doi":"10.1007/s42243-024-01303-5","DOIUrl":"https://doi.org/10.1007/s42243-024-01303-5","url":null,"abstract":"<p>Sub-rapid solidification has the potential to enhance the columnar structure and the magnetic property of electrical steels. However, research on the hot deformation behavior of sub-rapid solidified non-oriented electrical steel, particularly at varying strain rates, has yet to be fully understood. The effect of thermal compression on the microstructure and mechanical properties of 3.15 wt.% Si non-oriented electrical steel strips produced through a strip casting simulator was systematically investigated. The findings reveal that increasing the deformation temperature enhances grain recrystallization, while the peak stress decreases with higher temperature. Furthermore, a lower strain rate favors dynamic recrystallization and reduces thermal stress. It can be seen that sub-rapid solidification can effectively reduce the thermal activation energy of non-oriented electrical steel, and the thermal activation energy is calculated to be 204.411 kJ/mol. In addition, the kinetic models for the dynamic recrystallization volume fraction of the studied 3.15 wt.% Si non-oriented electrical steel were established.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"44 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced corrosion resistance and electrical conductivity of stainless steel bipolar plates by molybdenum ion implantation 通过钼离子注入增强不锈钢双极板的耐腐蚀性和导电性
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-17 DOI: 10.1007/s42243-024-01296-1
Li Ding, Hu-bin Zhang, Rui-juan Wang, Yong Pan, Xin Zhang, Meng Yang
{"title":"Enhanced corrosion resistance and electrical conductivity of stainless steel bipolar plates by molybdenum ion implantation","authors":"Li Ding, Hu-bin Zhang, Rui-juan Wang, Yong Pan, Xin Zhang, Meng Yang","doi":"10.1007/s42243-024-01296-1","DOIUrl":"https://doi.org/10.1007/s42243-024-01296-1","url":null,"abstract":"<p>To enhance the corrosion resistance and electrical conductivity, the surface of 316L stainless steel was modified by the ion implantation of Mo. By investigating various accelerating voltages and implantation doses, it was found that the corrosion resistance of stainless steel was enhanced by 50%–80% and the surface conductivity by 15%–28% at most. The minimum stabilized current density is 0.72 μA/cm<sup>2</sup>. This is due to the formation of a Cr and Mo riched modified layer on the surface of the stainless steel. Mo oxides synergize with Cr oxides in the form of a solid solution to enhance the corrosion resistance of passivation films on the stainless steel surface. The optimum parameters were Cr in the proportion of 6%–8% and Mo in the proportion of 4%–5%.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"57 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impacts of near-Ms austempering treatment on microstructure evolution and bainitic transformation kinetics of a medium Mn steel 近锰奥氏体化处理对中锰钢微观组织演变和贝氏体转变动力学的影响
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-14 DOI: 10.1007/s42243-024-01285-4
Yong-gang Yang, Xin-yue Liu, Rui-zhi Li, Yu-lai Chen, Hong-xiang Wu, Guo-min Sun, Zhen-li Mi
{"title":"Impacts of near-Ms austempering treatment on microstructure evolution and bainitic transformation kinetics of a medium Mn steel","authors":"Yong-gang Yang, Xin-yue Liu, Rui-zhi Li, Yu-lai Chen, Hong-xiang Wu, Guo-min Sun, Zhen-li Mi","doi":"10.1007/s42243-024-01285-4","DOIUrl":"https://doi.org/10.1007/s42243-024-01285-4","url":null,"abstract":"<p>The microstructure evolution and bainitic transformation of an Fe–0.19C–4.03Mn–1.48Si steel subjected to near-<i>M</i><sub>s</sub> austempering treatment were systematically investigated by combining dilatometer, X-ray diffraction, and electron microscopy. Three additional austempering treatments with isothermal temperatures above <i>M</i><sub>s</sub> were used as benchmarks. Results show that the incubation period for the bainitic transformation occurs when the medium Mn steel is treated with the austempering temperature above <i>M</i><sub>s</sub>. However, when subjected to near-<i>M</i><sub>s</sub> isothermal treatment, the medium Mn steel does not show an incubation period and has the fastest bainitic transformation rate. Moreover, the largest volume fraction of bainite with a value of 74.7% is obtained on the condition of near-<i>M</i><sub>s</sub> austempering treatment after cooling to room temperature. Dilatometer and microstructure evolution analysis indicates that the elimination of the incubation period and the fastest rate of bainitic transformation are related to the preformed martensite. The advent of preformed martensite allows the specimen to generate more bainite in a limited time. Considering bainitic ferrite nucleation at austenite grain boundaries and through autocatalysis at ferrite/austenite interfaces, a model is established to understand the kinetics of bainite formation and it can describe the nucleation rate of bainitic transformation well when compared to the experimental results.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"12 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication of Ni–Zn spinel ferrite with superior magnetic performance from electric arc furnace dust and iron scale 利用电弧炉粉尘和铁鳞制备磁性能优异的镍锌尖晶石铁氧体
IF 2.5 2区 材料科学
Journal of Iron and Steel Research International Pub Date : 2024-08-13 DOI: 10.1007/s42243-024-01270-x
Yang Li, Wei-zhe Jie, Chang Chen, Yi Su, Wu Zhou, Hua Zhang, Hong-wei Ni
{"title":"Fabrication of Ni–Zn spinel ferrite with superior magnetic performance from electric arc furnace dust and iron scale","authors":"Yang Li, Wei-zhe Jie, Chang Chen, Yi Su, Wu Zhou, Hua Zhang, Hong-wei Ni","doi":"10.1007/s42243-024-01270-x","DOIUrl":"https://doi.org/10.1007/s42243-024-01270-x","url":null,"abstract":"<p>The Ni–ZnFe<sub>2</sub>O<sub>4</sub> (Ni<sub><i>x</i></sub>Zn<sub>1−<i>x</i></sub>Fe<sub>2</sub>O<sub>4</sub>, <i>x</i> = 0.4–0.7) spinel was synthesized using Zn<sup>2+</sup> extracted from electric arc furnace dust (EAFD), nickel chloride hexahydrate, and Fe<sup>3+</sup> extracted from iron scale as raw materials. The zinc was selectively extracted from EAFD using CaO roasting followed by NH<sub>4</sub>Cl solution leaching. The ferric ion was leached from iron scale using HCl solution as acid lixiviant. The experimental results demonstrate a high level of efficiency in the extraction of zinc, with a rate of 97.5%, and the leaching rate of ferric ion is 96.89%. The composition of the leaching solution is primary zinc and iron with low calcium, which is beneficial to the preparation of spinel ferrite. The influence of Ni content (<i>x</i>) and calcination temperature on the synthesis and magnetic properties of Ni<sub><i>x</i></sub>Zn<sub>1−<i>x</i></sub>Fe<sub>2</sub>O<sub>4</sub> compounds was investigated by X-ray diffraction, scanning electron microscopy, and vibrating sample magnetometry. The results revealed that both Ni content and calcination temperature significantly affect the synthesis and magnetic properties of spinel Ni<sub><i>x</i></sub>Zn<sub>1−<i>x</i></sub>Fe<sub>2</sub>O<sub>4</sub>. Under the conditions of Ni content set at <i>x</i> = 0.6, calcination temperature of 1100 °C, and a duration of 2 h, a spinel Ni<sub><i>x</i></sub>Zn<sub>1−<i>x</i></sub>Fe<sub>2</sub>O<sub>4</sub> with high saturation magnetization (<i>M</i><sub>s</sub> = 65.7 A m<sup>2</sup> kg<sup>−1</sup>) and low coercivity (<i>H</i><sub>c</sub> = 0.056 A m<sup>−1</sup>) was obtained.</p>","PeriodicalId":16151,"journal":{"name":"Journal of Iron and Steel Research International","volume":"8 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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