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Dynamic Prediction of Macro-Geometry and Microstructure Analysis of High-Speed Laser Cladding 高速激光熔覆宏观几何动态预测及显微组织分析
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-13 DOI: 10.1007/s11041-026-01187-0
Shirui Guo, Shouwen Ding, Quanbin Du, Shuisheng Chen, Chuan Guo, Lujun Cui, Yinghao Cui, Xiaolei Li, Yongqian Chen, Yue Zhao, Bo Zheng
{"title":"Dynamic Prediction of Macro-Geometry and Microstructure Analysis of High-Speed Laser Cladding","authors":"Shirui Guo,&nbsp;Shouwen Ding,&nbsp;Quanbin Du,&nbsp;Shuisheng Chen,&nbsp;Chuan Guo,&nbsp;Lujun Cui,&nbsp;Yinghao Cui,&nbsp;Xiaolei Li,&nbsp;Yongqian Chen,&nbsp;Yue Zhao,&nbsp;Bo Zheng","doi":"10.1007/s11041-026-01187-0","DOIUrl":"10.1007/s11041-026-01187-0","url":null,"abstract":"<p>The effect of high-speed laser cladding process parameters with Fe-based alloy powder on 45 steel substrates on the macroscopic morphology and microstructure of the cladding of cutting head is investigated. A thermal-force coupling model of a dual-ellipsoid heat source for high-speed laser cladding was established. The results of numerical simulation were then used to analyze the temperature field distribution in the cladding. Verification of simulation results performed for cladding mode at 2000 W laser power, 6 m/min scan speed and 18.18 g/min powder feed rate showed their good agreement with experimental data. Comparison of simulation and experiment results showed that the cross-sectional morphology of the coating closely matched the simulation predictions with a maximum size deviation of 8.3%. It was found that the scan speed and powder feed rate significantly affected the width and height of the coating. The microstructure of the coating is influenced by the temperature gradient and solidification rate in the melt pool. The temperature gradient at the top of the coating was approximately one-third of that at the bottom, whereas the solidification rate was eight times higher at the top, resulting in fine grains in the upper region. Overall, high-speed laser cladding produced a refined and more uniformly grown microstructure from bottom to top.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"494 - 505"},"PeriodicalIF":0.5,"publicationDate":"2026-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 Alloying and Heat Treatment on Formation of Two-Phase (α + α2) Structure in Titanium Pseudo-α-Alloys 合金化和热处理对钛伪α-合金中两相（α + α2）组织形成的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-13 DOI: 10.1007/s11041-026-01183-4
A. A. Popov, N. G. Rossina, N. A. Popov, A. V. Zhelnina, E. N. Popova
{"title":"Effect of Alloying and Heat Treatment on Formation of Two-Phase (α + α2) Structure in Titanium Pseudo-α-Alloys","authors":"A. A. Popov,&nbsp;N. G. Rossina,&nbsp;N. A. Popov,&nbsp;A. V. Zhelnina,&nbsp;E. N. Popova","doi":"10.1007/s11041-026-01183-4","DOIUrl":"10.1007/s11041-026-01183-4","url":null,"abstract":"<p>The effect of alloying on the phase composition and structure of titanium pseudo-α-alloys with elevated aluminum content is studied. Phase diagrams of the studied alloys are plotted using the JMatPro software and exhibit satisfactory agreement between the calculated values and the experimental data. It is shown that the introduction of tantalum into the compositions promotes formation of a two-phase (α + α<sub>2</sub>)-structure with low mismatch of the specific phase volumes in the aged condition, which contributes to elevation of the thermal stability of the structure.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"462 - 466"},"PeriodicalIF":0.5,"publicationDate":"2026-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 Sc and Zr Additions on Microstructure, Mechanical Properties and Corrosion Behavior of 7075 Aluminum Alloy 添加Sc和Zr对7075铝合金组织、力学性能和腐蚀行为的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-13 DOI: 10.1007/s11041-026-01184-3
Qingyue Zhu, Xinying Teng, Zheng Duan, Xiao He, Guorong Zhou, Jinfeng Leng
{"title":"Effect of Sc and Zr Additions on Microstructure, Mechanical Properties and Corrosion Behavior of 7075 Aluminum Alloy","authors":"Qingyue Zhu,&nbsp;Xinying Teng,&nbsp;Zheng Duan,&nbsp;Xiao He,&nbsp;Guorong Zhou,&nbsp;Jinfeng Leng","doi":"10.1007/s11041-026-01184-3","DOIUrl":"10.1007/s11041-026-01184-3","url":null,"abstract":"<p>The effects of different contents of Sc and Zr on the microstructure, mechanical properties and corrosion resistance of 7075 aluminum alloy after T6 heat treatment were studied. After solid solution and two-step aging, coherent Al<sub>3</sub>(Sc, Zr) particles effectively pinned dislocations and subgrain boundaries, which hindered the recrystallization process of the alloy and refined the grains. Through fine grains strengthening and Orowan strengthening, compared with 7075 aluminum alloy without adding Sc and Zr, 0.1Sc – 0.2Zr – 7075 and 0.2Sc – 0.4Zr – 7075 aluminum alloys exhibited significant improvement in ultimate tensile strength (increased by 88 MPa and 124 MPa respectively) and yield strength (increased by 138 MPa and 141 MPa respectively). In terms of corrosion resistance, the co-addition of Sc and Zr elements hindered the growth and coarsening of η′ phase, and prevented the formation of larger η (MgZn<sub>2</sub>) phase along the grain boundary, reducing the generation of pitting pits, thus improving its corrosion resistance.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"467 - 475"},"PeriodicalIF":0.5,"publicationDate":"2026-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 Cooling Rate on Dimensional and Topological Characteristics of Microstructure of Steel 08G2S (A516-55) Manufactured by Additive Argon-Arc Surfacing 冷却速率对添加氩弧堆焊08G2S （A516-55）钢微观组织尺寸和拓扑特征的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-12 DOI: 10.1007/s11041-026-01186-1
K. V. Makarenko, A. V. Vdovin, A. G. Fedukov, E. A. Zentsova, M. A. Novikov, A. V. Kirichek
{"title":"Effect of Cooling Rate on Dimensional and Topological Characteristics of Microstructure of Steel 08G2S (A516-55) Manufactured by Additive Argon-Arc Surfacing","authors":"K. V. Makarenko,&nbsp;A. V. Vdovin,&nbsp;A. G. Fedukov,&nbsp;E. A. Zentsova,&nbsp;M. A. Novikov,&nbsp;A. V. Kirichek","doi":"10.1007/s11041-026-01186-1","DOIUrl":"10.1007/s11041-026-01186-1","url":null,"abstract":"<p>The effect of forced cooling on the dimensional and topological characteristics of the microstructure of a workpiece fabricated from steel 08G2S (A516-55) by additive argon-arc surface welding is investigated. The forced cooling is implemented using a specially designed water-cooled table with a fixed substrate for additive growth of the workpiece. The effect of the welding heat on formation of the microstructure is studied after using two cooling rates (3 and 5 L/min) and without cooling. The dimensional and topological characteristics (the grain size and the degree of anisotropy) are determined by computer microscopy using special software. The most effective cooling modes providing high dimensional and topological characteristics of the microstructure of the workpiece grown by the additive method are determined.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"483 - 493"},"PeriodicalIF":0.5,"publicationDate":"2026-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Study of the Structure and Properties of Blanks Obtained from Chips of Magnesium Alloy MA5 (AZ80A) MA5 （AZ80A）镁合金切屑坯的组织与性能研究
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2026-02-12 DOI: 10.1007/s11041-026-01185-2
V. N. Tsemenko, S. V. Ganin, M. Yu. Zamozdra
{"title":"Study of the Structure and Properties of Blanks Obtained from Chips of Magnesium Alloy MA5 (AZ80A)","authors":"V. N. Tsemenko,&nbsp;S. V. Ganin,&nbsp;M. Yu. Zamozdra","doi":"10.1007/s11041-026-01185-2","DOIUrl":"10.1007/s11041-026-01185-2","url":null,"abstract":"<p>Results of a comprehensive analysis of features of formation of macro- and microstructure during compaction and plastic deformation of blanks from chips of magnesium alloy MA5 (AZ80A) under temperature and deformation conditions selected by physical and computer simulation are presented. The mechanical properties of the blanks and the defects of their structure are determined. Annealing and compacting rolling are recommended to eliminate the defects. The rolling removes the porosity of the blanks almost completely, the interparticle boundaries disappear, and the differences in the grain sizes are reduced. The mechanical properties of the blanks obtained meet the standard requirements for pressed bars from magnesium alloys.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 7-8","pages":"476 - 482"},"PeriodicalIF":0.5,"publicationDate":"2026-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147559211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Generalized Equation for the Kinetics of Isothermal Transformation of Supercooled Austenite in Steels 钢中过冷奥氏体等温转变动力学的广义方程
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-08 DOI: 10.1007/s11041-025-01160-3
M. V. Maisuradze, Yu. V. Yudin, A. A. Kuklina
{"title":"Generalized Equation for the Kinetics of Isothermal Transformation of Supercooled Austenite in Steels","authors":"M. V. Maisuradze,&nbsp;Yu. V. Yudin,&nbsp;A. A. Kuklina","doi":"10.1007/s11041-025-01160-3","DOIUrl":"10.1007/s11041-025-01160-3","url":null,"abstract":"<p>We propose a differential equation for the mathematical description of the kinetics of the isothermal transformation in supercooled austenite. This equation generalizes specific cases, including the Austin–Ricketts and Johnson–Mehl–Avrami–Kolmogorov (JMAK) equations. A series of computational experiments was conducted to evaluate the applicability of the derived equation in describing total transformation kinetics. The findings demonstrate that the generalized equation significantly improves the accuracy of mathematical descriptions for the experimental kinetics of isothermal bainitic transformation.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"287 - 292"},"PeriodicalIF":0.5,"publicationDate":"2025-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Enhancing the Performance of Resistance Spot Welding (RSW) Through in-situ Heating and Welded Joints Quality: Overview 通过原位加热和焊接接头质量提高电阻点焊性能：综述
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01177-8
Qingwei Liu, Zuhong Lu, Xi Huang, Hui Wang
{"title":"Enhancing the Performance of Resistance Spot Welding (RSW) Through in-situ Heating and Welded Joints Quality: Overview","authors":"Qingwei Liu,&nbsp;Zuhong Lu,&nbsp;Xi Huang,&nbsp;Hui Wang","doi":"10.1007/s11041-025-01177-8","DOIUrl":"10.1007/s11041-025-01177-8","url":null,"abstract":"<p>This article reviews the effects of dual-pulse spot welding (DSW) on the microstructure of welds, mechanical properties, and crack characteristics during the in-situ post-heating process, elucidating the mechanisms underlying these effects. The research findings indicate that dual-pulse welding change the microstructure of the fusion zone, modifies the grain size in the heat-affected zone, improves the fatigue resistance of weld points, and effectively reduces both the number and density of cracks. Additionally, it controls crack propagation, thereby decreasing crack length, minimizing welding defects, and enhancing the overall quality of the welded joints. These improvements are crucial for enhancing the safety and durability of welded structures.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"413 - 422"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 Various Aging Temperatures on the Tensile Performance of Aluminum Alloy 2219-T87 Plate 不同时效温度对2219-T87铝合金板拉伸性能的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01168-9
Atif Shazad, Muhammad Uzair, Muhammad Tufail
{"title":"Effect of Various Aging Temperatures on the Tensile Performance of Aluminum Alloy 2219-T87 Plate","authors":"Atif Shazad,&nbsp;Muhammad Uzair,&nbsp;Muhammad Tufail","doi":"10.1007/s11041-025-01168-9","DOIUrl":"10.1007/s11041-025-01168-9","url":null,"abstract":"<p>The effect of temperature and duration of artificial aging on the strength and ductility characteristics of aluminum alloy 2219-T87 was investigated in static tensile tests of a 6 mmthick plate. It was found that the tensile strength of the alloy after aging decreases, and the yield strength increases significantly as a result of the precipitation hardening process. At the same time, an increase in the artificial aging temperature leads to more significant changes in the strength characteristics of the alloy, as well as to a decrease in its ductility. It is shown that in order to achieve the optimal ratio of mechanical characteristics of alloy 2219-T87 in each specific case, an individual approach to the assignment of the artificial aging mode is necessary.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"345 - 350"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Development of an Installation for Heat Treatment of Sucker Rods with the Use of Fuzzy Logic 利用模糊逻辑开发抽油杆热处理装置
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01179-6
E. A. Aliyev, J. R. Damirova
{"title":"Development of an Installation for Heat Treatment of Sucker Rods with the Use of Fuzzy Logic","authors":"E. A. Aliyev,&nbsp;J. R. Damirova","doi":"10.1007/s11041-025-01179-6","DOIUrl":"10.1007/s11041-025-01179-6","url":null,"abstract":"<p>We develop and implement a system for heat treatment of sucker rods based on the use of the algorithms of fuzzy logic and aimed at the automation of the process, reducing of human intervention in the process, and improving the accuracy of parameter control. The system makes it possible to dynamically adjust critical parameters, such as quenching temperature, feed speed, and the time of stay in the treatment zone. In the system, we use a Mamdani-type fuzzy logic controller combining the data of sensors and the rules specified by the operator in order to attain the optimal productivity.We tested a system on sucker rods of different lengths (7.5, 8.0, and 9.14 m) and diameters (16 – 22 mm) made of carbon, alloyed, and high-alloy steels. The application of the system makes it possible to realize consecutive control of the parameters of heat treatment, get a uniform distribution of hardness, and reduce the number of defects caused by manual works. Moreover, the use of automated loading and unloading mechanisms elevated the efficiency and decreased the time of production. As compared with traditional control methods, the proposed approach based on the use of fuzzy logic guarantees a significant improvement of the accuracy of heat treatment and the mechanical properties of rods.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"429 - 433"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 Solute Atoms and Precipitates on Austenite Grain Growth in Fe – C – Nb Steel 溶质原子和析出物对Fe - C - Nb钢奥氏体晶粒生长的影响
IF 0.5 4区 材料科学
Metal Science and Heat Treatment Pub Date : 2025-11-06 DOI: 10.1007/s11041-025-01170-1
Chao Lu, Jianchun Cao, Xing Liu, Weinan Zhao, Jiao Xu
{"title":"Effect of Solute Atoms and Precipitates on Austenite Grain Growth in Fe – C – Nb Steel","authors":"Chao Lu,&nbsp;Jianchun Cao,&nbsp;Xing Liu,&nbsp;Weinan Zhao,&nbsp;Jiao Xu","doi":"10.1007/s11041-025-01170-1","DOIUrl":"10.1007/s11041-025-01170-1","url":null,"abstract":"<p>The patterns of austenite grain growth in the structure of high-carbon Fe – C – Nb steels of various compositions and different states of precipitates containing Nb were studied. The morphology of primary austenite and distribution of precipitates at temperatures of 1050 – 1200°C are analyzed. It is found that in steel not containing Si and Mn, when the temperature increases above 1100°C, precipitates dissolve and become larger, resulting in growth of austenite grain. It is shown that an increase in the Nb content in steel and refinement of precipitates in its structure contribute to effective inhibition of austenite grain growth during reheating. In addition, steel containing Si and Mn is not prone to austenite grain growth.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"67 5-6","pages":"356 - 368"},"PeriodicalIF":0.5,"publicationDate":"2025-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145547076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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