Journal of Materials Research and Technology-Jmr&t最新文献_第7页

Preparation of porous tungsten materials for dispenser cathodes–A brief review 分配器阴极用多孔钨材料的制备综述

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-06 DOI: 10.1016/j.jmrt.2025.06.037

Junyu Tang , Jiaqin Liu , Xiaojie Wang , Laima Luo , Yucheng Wu

引用次数: 0

Exploring Fe–Mn–Al–C lightweight steels via in-situ alloying in direct energy deposition 直接能量沉积原位合金化Fe-Mn-Al-C轻钢的研究

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-06 DOI: 10.1016/j.jmrt.2025.06.044

Seungjin Nam , Chahee Jung , Hyun Chung , Heechan Jung , Young Mok Kim , Hyoung Seop Kim , Hyunjoo Choi , Seok Su Sohn

{"title":"Exploring Fe–Mn–Al–C lightweight steels via in-situ alloying in direct energy deposition","authors":"Seungjin Nam , Chahee Jung , Hyun Chung , Heechan Jung , Young Mok Kim , Hyoung Seop Kim , Hyunjoo Choi , Seok Su Sohn","doi":"10.1016/j.jmrt.2025.06.044","DOIUrl":"10.1016/j.jmrt.2025.06.044","url":null,"abstract":"<div><div>This study explores the feasibility of in-situ alloying via direct energy deposition (DED) to tailor microstructures and strength-ductility balance of Fe–Mn–Al–C lightweight steels (LWSs) with independently varied composition of 8–12 wt% Al and 20–25 wt% Mn. As the Al content increased, the matrix phase was transformed from austenitic (8Al) to ferritic (10Al and 12Al), accompanied by the formation of secondary phases. The in-situ alloyed LWSs exhibited a reduced density (6.5–7.0 g/cm<sup>3</sup>) while exhibiting an exceptional strength-ductility synergy. Specifically, 20Mn8Al LWS exhibited an ultimate tensile strength of 883 MPa and an elongation of 43.8 %, resulting in a product of strength and elongation of 39 GPa∙%. It also achieved a weight reduction of 10 % compared to conventional stainless steel. Strengthening was primarily governed by pre-existing dislocations and solid-solution strengthening effects, while deformation twinning in 20Mn8Al enhanced strain hardening and delayed necking. These findings highlight the potential of in-situ alloyed LWSs for lightweight structural applications, offering a superior combination of mechanical properties and density reduction. Furthermore, this study establishes DED-based in-situ alloying as a versatile strategy for microstructural and mechanical property optimization in additive manufacturing of advanced steels.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 417-431"},"PeriodicalIF":6.2,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241184","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

Microstructure evolution and mechanical properties of cold rolled Ti–Mo precipitation-hardened stainless steels after ageing treatment 时效处理后冷轧Ti-Mo析出硬化不锈钢的组织演变与力学性能

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-06 DOI: 10.1016/j.jmrt.2025.06.041

Yu-Shan Chang, Chih-Yuan Chen

{"title":"Microstructure evolution and mechanical properties of cold rolled Ti–Mo precipitation-hardened stainless steels after ageing treatment","authors":"Yu-Shan Chang, Chih-Yuan Chen","doi":"10.1016/j.jmrt.2025.06.041","DOIUrl":"10.1016/j.jmrt.2025.06.041","url":null,"abstract":"<div><div>While cold deformation prior to aging is a well-established approach for enhancing the mechanical properties of precipitation-hardened stainless steels (PHSSs), the synergistic effect of cold deformation and aging on microstructural evolution remains insufficiently explored. To investigate this effect, different levels (35 % and 70 %) of cold deformation strain (CDS) were applied, followed by aging at low (520 °C) and high (640 °C) temperatures, leading to variations in the formation of reverted austenite within the Ti–Mo PHSS. Regardless of the CDS, reverted austenite was observed only when aging was performed at 640 °C, while no significant austenite reversion occurred at 520 °C. Therefore, only aging was conducted at 640 °C, the trade-off relationship between strength and ductility improved with increasing CDS. This improvement was primarily due to the simultaneous formation of a higher density of η-Ni<sub>3</sub>Ti precipitates and reverted austenite during aging. These results indicate that optimizing metallurgical parameters can further enhance the mechanical performance of Ti–Mo PHSS, particularly by leveraging the effects of cold deformation strain and aging temperature on austenite reversion and precipitation behavior.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 1134-1150"},"PeriodicalIF":6.2,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144291269","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

Advances in constitutive modeling of metals, a special issue in honor of U. Fred Kocks 金属本构模型的进展，为纪念美国弗雷德·考克斯而出版的特刊

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-06 DOI: 10.1016/j.jmrt.2025.06.036

A.D. Rollett (Tony), Marc A. Meyers, E. Arzt

引用次数: 0

Multi-stage process optimization and efficiency improvement for magnetorheological polishing of glass-ceramics 微晶玻璃磁流变抛光多阶段工艺优化及效率提高

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-05 DOI: 10.1016/j.jmrt.2025.06.034

Yakun Yang, Mingming Lu, Jieqiong Lin, Yongsheng Du, Hui Ma

{"title":"Multi-stage process optimization and efficiency improvement for magnetorheological polishing of glass-ceramics","authors":"Yakun Yang, Mingming Lu, Jieqiong Lin, Yongsheng Du, Hui Ma","doi":"10.1016/j.jmrt.2025.06.034","DOIUrl":"10.1016/j.jmrt.2025.06.034","url":null,"abstract":"<div><div>The magnetorheological fluid composition (MFC) and process parameters significantly affect the efficiency and quality of magnetorheological polished (MRP) glass-ceramics. This study employed a single-factor experiment to determine the optimal MFC. Nanoindentation experiments were conducted to analyze material removal characteristics induced by chemical action. Response surface method (RSM) was utilized to optimize the process parameters. Finally, the optimized parameters were applied to the multi-stage MRP process. The results show that the optimal MFC as follows: polishing time is 60 min, abrasive is cerium oxide, particle size is 1.5 μm, and pH = 9. Chemical action reduces the surface hardness, thereby increasing the material removal rate (MRR). The prediction model constructed by RSM showed high reliability with an R<sup>2</sup> of 0.9745. The polishing process was carried out for 20 min using the optimal MRR parameters (workpiece speed 800 r/min, disc speed 90 r/min, working gap 2 mm, yaw speed 120 mm/min), followed by 24 min using the optimal surface roughness (Sa) parameters (workpiece speed 400 r/min, disc speed 90 r/min, working gap 2.4 mm, yaw speed 80 mm/min). This resulted in a MRR of 0.716 μm/min and Sa of 2.423 nm. Multi-stage polishing improved efficiency by 26.7 % and reduced costs compared to single-stage polishing. It provides a new technical support for the development of MRP glass-ceramics.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 332-347"},"PeriodicalIF":6.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144231379","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 ultrasonic surface rolling processing on surface integrity and mechanical properties of ZL205A alloy 超声表面轧制对ZL205A合金表面完整性和力学性能的影响

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-05 DOI: 10.1016/j.jmrt.2025.06.028

Hui-Hu Lu , Jian-Shan Han , Guang Li , Yi-Dong Zhang , Ling-Yun Du , Yan-Lan Li , Da-Hui Chen

{"title":"Effect of ultrasonic surface rolling processing on surface integrity and mechanical properties of ZL205A alloy","authors":"Hui-Hu Lu , Jian-Shan Han , Guang Li , Yi-Dong Zhang , Ling-Yun Du , Yan-Lan Li , Da-Hui Chen","doi":"10.1016/j.jmrt.2025.06.028","DOIUrl":"10.1016/j.jmrt.2025.06.028","url":null,"abstract":"<div><div>This study investigates the effects of ultrasonic surface rolling process (USRP) parameters—static pressure, feed speed, ultrasonic amplitude, and rolling passes—on the surface integrity, mechanical properties, and microstructural evolution of T6 heat-treated ZL205A Al–Cu alloy. Comprehensive characterization demonstrates that USRP treatment significantly enhances surface quality, producing an ultra-smooth surface with a minimum roughness (Ra) of 0.08 μm while simultaneously increasing surface microhardness to 168.10 HV and introducing compressive residual stresses of −128.3 MPa. Empirical models were established to correlate microhardness and surface roughness with USRP processing parameters. Microstructural analysis reveals that USRP generates a gradient nanostructured surface layer with grain refinement to ∼157.2 nm and an elevated dislocation density of 6.90 × 10<sup>14</sup>m<sup>−2</sup>. Quantitative analysis shows that the enhancements in both microhardness and yield strength follow a linear relationship with the square root of dislocation density, confirming dislocation strengthening as the dominant mechanism for the observed mechanical property improvements.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 470-483"},"PeriodicalIF":6.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241188","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

Influence of the mechanical properties of the reactive Zr alloy liner on the multiple damaged effects post-target 活性Zr合金衬垫力学性能对靶后多重损伤效应的影响

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-05 DOI: 10.1016/j.jmrt.2025.06.030

Xinying Xue , Xingwei Liu , Shuang Liu , Jie Cao , Jinxu Liu

{"title":"Influence of the mechanical properties of the reactive Zr alloy liner on the multiple damaged effects post-target","authors":"Xinying Xue , Xingwei Liu , Shuang Liu , Jie Cao , Jinxu Liu","doi":"10.1016/j.jmrt.2025.06.030","DOIUrl":"10.1016/j.jmrt.2025.06.030","url":null,"abstract":"<div><div>We conduct a detailed investigation into the damage post-effects of Zr-based reactive liners on steel target under a 56 mm shaped charge caliber. The results demonstrate that when the Zr-based alloy serve as the reactive liner, under the condition of a small charge caliber, the penetration depth in the steel target can reach approximately 4 times the charge diameter (CD). Moreover, after penetrating a 100 mm thick steel target, the reactive residual jet and fragments can respectively detonate diesel and ignite combustibles located behind the steel target. Additionally, numerous fragments are generated during the interaction between the jet and the steel target, and these fragments penetrate a 3 mm thick post-effect Al target. Furthermore, simulations based on the Smoothed Particle Hydrodynamics (SPH) method are employed to explore the influence of mechanical properties on the damage post-effects of the reactive shaped charge liner (SCL). The fragments effectiveness is also evaluated. It is discovered that the jet dispersion and the formation of lethal fragments behind the main target are significantly influenced by the failure strain and yield strength of the SCL materials. During jet penetration, jets with lower yield and failure strains have a stress state approaching the failure state of the jet, which promotes fragment formation. However, fragments with high specific kinetic energy are more likely to be formed in SCLs with moderate failure strain and yield strength. The underlying mechanisms of jet dispersion and fragment formation after the jet penetrates the steel target are also elaborated in detail.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 455-469"},"PeriodicalIF":6.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241187","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

Corrigendum to ‘Research on the interface structure composite behavior and performance influence of Ni and Cr elements in Sn–Cu–Bi–In solder microstructure’ [Volume 36, May–June 2025, Pages 713–726] “Ni和Cr元素在Sn-Cu-Bi-In焊料微观结构中的界面结构复合行为和性能影响研究”的勘误表[第36卷，2025年5月- 6月，713-726页]

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-05 DOI: 10.1016/j.jmrt.2025.06.035

Xiaochun Lv , Zhiyuan Wang , Zhen Pan , Chenghao Zhang , Lin Cao , Fenglian Sun , Yang Liu

引用次数: 0

Optimization of the plasma electrolytic oxidation process parameters on 7075 aluminum alloy using Taguchi method 用田口法优化7075铝合金等离子体电解氧化工艺参数

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-05 DOI: 10.1016/j.jmrt.2025.06.033

Erfan Pirhadi Nouri , Saeed Reza Allahkaram , Mehrnaz Gharagozlou

{"title":"Optimization of the plasma electrolytic oxidation process parameters on 7075 aluminum alloy using Taguchi method","authors":"Erfan Pirhadi Nouri , Saeed Reza Allahkaram , Mehrnaz Gharagozlou","doi":"10.1016/j.jmrt.2025.06.033","DOIUrl":"10.1016/j.jmrt.2025.06.033","url":null,"abstract":"<div><div>In this study, the objective was to enhance the corrosion resistance of plasma electrolytic oxidation (PEO) coatings on AA7075 alloy by optimizing the PEO process parameters including current density, time, frequency, and duty cycle, using the Taguchi design of experiments method. The optimal values for these parameters were determined to be 40 A/dm<sup>2</sup>, 15 min, 1500 Hz, and 30 %, respectively. The influence of each parameter was also discussed, and it was found that the duty cycle was the most significant parameter influencing the corrosion resistance of the PEO coatings. The polarization resistance of the optimized coating reached 105.206 MΩ cm<sup>2</sup>, which was 49 times higher than the substrate. This improvement indicates an enhanced barrier effect against corrosive agents, suggesting the potential of the optimized PEO coating for use in demanding industrial environments such as aerospace and marine applications. The results of electrochemical impedance spectroscopy (EIS) also indicated an improvement in corrosion resistance. The microstructure and surface morphology of the optimized coating were examined using scanning electron microscopy (SEM) equipped with energy-dispersive X-ray spectroscopy (EDS), which revealed a typical structure of PEO coatings. The porosity of the coating was 3.95 % and the average diameter of micropores was 1.57 μm. The constituent elements of the coating were aluminum, oxygen, silicon, magnesium, and zinc. Additionally, the coating exhibited good adhesion to the substrate, and the thickness of the optimized coating was 9.4 μm. X-ray diffraction (XRD) analysis revealed that the main phases of the coating were gamma-alumina and magnesium oxide.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 537-548"},"PeriodicalIF":6.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144241071","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

Wettability of reaction-bonded SiC surfaces in different concentrations of sulfuric acid: Experimental and simulation study 反应键合SiC表面在不同浓度硫酸中的润湿性：实验与模拟研究

IF 6.2 2区材料科学

Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-06-04 DOI: 10.1016/j.jmrt.2025.05.266

Hao Yang , Xiaodan Yang , Zhenming Yang , Ranbo Yu , Jinsong Zhang , Yong Gao

{"title":"Wettability of reaction-bonded SiC surfaces in different concentrations of sulfuric acid: Experimental and simulation study","authors":"Hao Yang , Xiaodan Yang , Zhenming Yang , Ranbo Yu , Jinsong Zhang , Yong Gao","doi":"10.1016/j.jmrt.2025.05.266","DOIUrl":"10.1016/j.jmrt.2025.05.266","url":null,"abstract":"<div><div>Silicon carbide (SiC) exhibited high corrosion resistance and was able to maintain a stable solid-liquid interface, which has led to its widespread use in chemical equipment to achieve process intensification and efficiency enhancement. The performance of the equipment is directly influenced by the wettability of the solid-liquid interface. This underscores the necessity of investigating the wettability of SiC materials. In this study, reaction-bonded SiC surfaces with varying topography were fabricated through the adjustment of SiC powder particle size (D<sub>50</sub> 38.10 μm–2.34 μm) and the application of a reaction sintering process. Systematic examinations were conducted on the wettability of the reaction-bonded SiC surfaces in sulfuric acid solutions at concentrations of 0 wt%, 20 wt%, 50 wt%, and 80 wt% H<sub>2</sub>SO<sub>4</sub>. Results demonstrated that the surface morphology of reaction-bonded SiC was altered with decreasing median particle size, leading to a reduction in surface roughness from 9.043 μm to 0.653 μm. This morphological evolution was observed to induce a hydrophobic-to-hydrophilic transition, with maximum 124.371°and minimum 52.505° contact angles being measured in high- and low-surface-tension H<sub>2</sub>SO<sub>4</sub> solutions, respectively. Furthermore, contact angles were observed to increase with the surface tension of H<sub>2</sub>SO<sub>4</sub> solutions on the same surface. At the maximum 50 wt% and minimum 80 wt% surface tension concentrations, the contact angle decreased from 124.371° to 110.557°, which corresponded to an 11.1 % reduction. The conclusions were verified through theoretical calculations and simulations utilizing COMSOL Multiphysics software. This study offers a theoretical foundation for modulating the wettability of reaction-bonded SiC materials suited for use in corrosive liquid-phase environments through surface topography tailoring.</div></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":"37 ","pages":"Pages 320-331"},"PeriodicalIF":6.2,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144231378","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