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Improvements in welding continuous cooling transformation diagram of high-strength low-alloy steel weld 高强度低合金钢焊缝焊接连续冷却转变图的改进
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-24 DOI: 10.1080/02670836.2023.2215644
Zi-Yi Lai, X. Lei, Zhenmin Zhang, Yu Zhang, Chaobin Lai
{"title":"Improvements in welding continuous cooling transformation diagram of high-strength low-alloy steel weld","authors":"Zi-Yi Lai, X. Lei, Zhenmin Zhang, Yu Zhang, Chaobin Lai","doi":"10.1080/02670836.2023.2215644","DOIUrl":"https://doi.org/10.1080/02670836.2023.2215644","url":null,"abstract":"The welding continuous cooling transformation (CCT) diagram concerning microstructure evolution in a fine zone of the weld joint provides essential data for microstructure control in practice. In this study, a welding CCT diagram was improved to be elaborate by using the expanded lever rule. Processes for obtaining pieces of phase information are explained in detail. Improvements are: (i) phase areas are clearly presented, (ii) phase volume percentages are given, and (iii) overlapped phase areas are revealed. To meet high-strength requirement, a heat input of 21 kJ cm−1 was referenced from the welding CCT diagram, for achieving acicular ferrite and lath-like martensite. Transformed phase volume fractions are estimated and high strength and good toughness are obtained due to the elaborate phase information. GRAPHICAL ABSTRACT","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"1 1","pages":"2690 - 2698"},"PeriodicalIF":1.8,"publicationDate":"2023-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89639914","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
Vibration analysis of composite plates reinforced CNTs using an exponential function approach 用指数函数法分析CNTs增强复合材料板的振动
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-22 DOI: 10.1080/02670836.2023.2213975
Mohamed Essedik Lazar, Madjid Ezzraimi, R. Tiberkak, Yasser Chiker, M. Bachene, Saïd Rechak
{"title":"Vibration analysis of composite plates reinforced CNTs using an exponential function approach","authors":"Mohamed Essedik Lazar, Madjid Ezzraimi, R. Tiberkak, Yasser Chiker, M. Bachene, Saïd Rechak","doi":"10.1080/02670836.2023.2213975","DOIUrl":"https://doi.org/10.1080/02670836.2023.2213975","url":null,"abstract":"Free vibration analysis of functionally graded material ‘FGM’ plates reinforced with carbon nanotubes (CNTs) using exponential distribution law is investigated. Nonlinear distribution through the thickness direction of Nano-fillers is considered in the present study. Thus, the mechanical properties of the nanotubes vary through the thickness and are evaluated using a modified rule of mixture. In the finite element analysis formulation, the first-order shear deformation theory has been implemented by using the exponential law. The obtained results show a better distribution of CNTs through the thickness, which leads to an improved plate stiffness. An increase in the natural frequencies is thus expected. The obtained results show the five natural frequencies which compare well with those available in the literature.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"73 1","pages":"2680 - 2689"},"PeriodicalIF":1.8,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79595461","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
Microstructure and second-phase strengthening mechanisms of CuTeCrY alloy CuTeCrY合金的显微组织及二相强化机制
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-22 DOI: 10.1080/02670836.2023.2210912
Lixun Deng, Liukui Gong, Shixin Song, Yansong Zhang, Hongwei Feng, Ziming Chen, Hefeng Yuan, Wei Huang
{"title":"Microstructure and second-phase strengthening mechanisms of CuTeCrY alloy","authors":"Lixun Deng, Liukui Gong, Shixin Song, Yansong Zhang, Hongwei Feng, Ziming Chen, Hefeng Yuan, Wei Huang","doi":"10.1080/02670836.2023.2210912","DOIUrl":"https://doi.org/10.1080/02670836.2023.2210912","url":null,"abstract":"A CuTeCrY alloy prepared by homogenising annealing, hot extrusion, solution treatment, cold drawing, and a heat ageing treatment has tensile strength and electrical conductivity of 430 MPa and 78.9% IACS, respectively. Electron microscopy analyses show that a metastable CrCu2Te phase in the solid solution alloy is eliminated by the ageing treatment, and a 3–5 nm granular bcc-Cr phase becomes distributed in the matrix. This nanometre Cr second phase is the main contributor to the strengthening of the alloy whereas the second-phase strengthening effects of micrometre Cr and Te phases are weak.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"1 1","pages":"2535 - 2543"},"PeriodicalIF":1.8,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86810689","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: 1
Improving microstructure and segregation of steel ingot by inorganic heat absorption method 用无机吸热法改善钢锭的显微组织和偏析
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-22 DOI: 10.1080/02670836.2023.2210913
Yang Xu, Jiang Wang, S. Shuai, Shenghao Yu, Dan-qing Jiang, Chaoyue Chen, T. Hu, Z. Ren
{"title":"Improving microstructure and segregation of steel ingot by inorganic heat absorption method","authors":"Yang Xu, Jiang Wang, S. Shuai, Shenghao Yu, Dan-qing Jiang, Chaoyue Chen, T. Hu, Z. Ren","doi":"10.1080/02670836.2023.2210913","DOIUrl":"https://doi.org/10.1080/02670836.2023.2210913","url":null,"abstract":"A novel method by adding inorganic heat absorption material (IHAM) into the molten steel was proposed to improve the quality of large steel ingots. The IHAM was found to melt and float up after absorbing the heat of molten steel, stirring the melt and thus accelerating the cooling process. The molten steel was also purified as the inclusions were adsorbed during the floating of IHAM. The addition of IHAM rod was conducive to increase the equiaxed grain ratio (EGR) and alleviate the central carbon segregation, while the IHAM cored wire played a more important role in reducing the inclusion index. This method holds broad appeal to solidification of large steel ingot, as it can improve the microstructure of solidified ingot.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"11 1","pages":"2544 - 2555"},"PeriodicalIF":1.8,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75334258","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
Comparative study of Cd addition effects on precipitation in different aluminium alloys 添加Cd对不同铝合金析出影响的比较研究
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-21 DOI: 10.1080/02670836.2023.2207368
F. Qian, Jinyue Li, Dongdong Zhao, Shenbao Jin, E. Mørtsell, Yanjun Li
{"title":"Comparative study of Cd addition effects on precipitation in different aluminium alloys","authors":"F. Qian, Jinyue Li, Dongdong Zhao, Shenbao Jin, E. Mørtsell, Yanjun Li","doi":"10.1080/02670836.2023.2207368","DOIUrl":"https://doi.org/10.1080/02670836.2023.2207368","url":null,"abstract":"This work demonstrates that Cd microadditions can enhance the precipitation of age-hardening precipitates in 2xxx and 6xxx alloys as well as the dispersoid precipitation in 3xxx alloys, but have a minimal effect on the precipitation in 7xxx alloys. Experimental and theoretical methods are utilised to investigate the nucleation and precipitation of precipitates/dispersoids in Cd-containing Al alloys. The enhanced precipitation of θ′ and α-dispersoids in 2xxx and 3xxx alloys, respectively, are proposed to result from the heterogeneous nucleation on earlier-formed Cd-rich nanoparticles, while the enhanced precipitation of β′′ in 6xxx alloys is attributed to the increased number density of effective Mg-Si co-clusters due to the Cd incorporation. This investigation provides theoretical basis for the design of precipitation-strengthened Al alloys via microalloying.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"56 1","pages":"2469 - 2477"},"PeriodicalIF":1.8,"publicationDate":"2023-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74464128","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
Investigation of the microstructure, hardness and electrical conductivity properties of Fe/Graphene compacts 铁/石墨烯致密材料的微观结构、硬度和导电性研究
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-18 DOI: 10.1080/02670836.2023.2213554
O. Altuntaş, Melika Ozer, Gözde Altuntaş, A. Ozer
{"title":"Investigation of the microstructure, hardness and electrical conductivity properties of Fe/Graphene compacts","authors":"O. Altuntaş, Melika Ozer, Gözde Altuntaş, A. Ozer","doi":"10.1080/02670836.2023.2213554","DOIUrl":"https://doi.org/10.1080/02670836.2023.2213554","url":null,"abstract":"ABSTRACT The effects of graphene nanoplatelets added to pure Fe powders at different rates on microstructure, hardness and electrical conductivity were investigated. Prepared mixed powders were compressed at 700 MPa pressure and sintered at 1250°C. Densities of samples were measured Archimedes technique. Scanning electron microscope was used for microstructure investigations. The hardness was measured according to ASTM E384. Phase types, average crystallite size and dislocation density calculations in sintered samples were made. Electrical resistance measurements were made with the four-point probe measurement technique. Powder mixtures containing ≤5 wt-% graphene nanoplatelets were sintered into compact samples. The smallest grain size, highest dislocation density, highest hardness and electrical conductivity values were obtained in samples containing 2 wt-% of graphene nanoplatelets.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"9 1","pages":"2670 - 2679"},"PeriodicalIF":1.8,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77629787","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
Microstructural and crystallographic characteristics of martensite micro-variants in NiMnGa-based ferromagnetic alloy nimga基铁磁合金马氏体微变异体的显微组织和晶体学特征
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-16 DOI: 10.1080/02670836.2023.2212211
W. Tong, Li Liang, Huijuan Wang
{"title":"Microstructural and crystallographic characteristics of martensite micro-variants in NiMnGa-based ferromagnetic alloy","authors":"W. Tong, Li Liang, Huijuan Wang","doi":"10.1080/02670836.2023.2212211","DOIUrl":"https://doi.org/10.1080/02670836.2023.2212211","url":null,"abstract":"A systematic investigation on microstructural and crystallographic characteristics of martensite micro-variants in Ni54Mn25Ga20.9Dy0.1 ferromagnetic shape memory alloy was performed. The alloys exhibited a dual-phase microstructure consisting of self-accommodated tetragonal martensite and hexagonal Dy-rich dispersive precipitates. In each colony, four distinct micro-variants with different crystallographic-orientations existed, where the adjacent variant pairs connected by crossing-interfaces possessed a non-twinned relationship and other pairs connected by extending-interfaces were twin-related to each other. The corresponding twinning planes and directions were {112} and 〈111〉, respectively. Nevertheless, the twinning relationships of these twin-related micro-variant pairs were not perfect, which contained a small rotation. Interface analysis demonstrated that these two types of interface planes coincide with the orientation relationship planes and twinning planes of their connecting micro-variants, respectively.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"15 1","pages":"2633 - 2641"},"PeriodicalIF":1.8,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87632920","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 WE43/TiC surface composites using friction stir processing: a parametric study 搅拌摩擦法制备WE43/TiC表面复合材料的参数化研究
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-16 DOI: 10.1080/02670836.2023.2211470
A. Kang, R. Singh, Shivali Singla
{"title":"Development of WE43/TiC surface composites using friction stir processing: a parametric study","authors":"A. Kang, R. Singh, Shivali Singla","doi":"10.1080/02670836.2023.2211470","DOIUrl":"https://doi.org/10.1080/02670836.2023.2211470","url":null,"abstract":"Surface composites of WE43 Mg alloy reinforced with TiC nanoparticles were successfully fabricated using friction stir processing. The effects of various tool profiles, tool rotation, and transverse speeds on the metallurgical and mechanical properties of as-received and WE43/TiC composites were comprehensively investigated. The dispersion of TiC nanoparticles was uniform throughout the stir zone. The square tool at 1700 rev min−1 rotational speed and 60 mm min−1 transverse speed produced the finest grain structure in the composites, exhibiting maximum microhardness (151.7 Hv), maximum nano-hardness (1.596 GPa), maximum elastic moduli (36.54 GPa), and minimum wear rate (0.0279 mm3 min−1). Conversely, a square tool at 800 rev min−1 and 60 mm min−1 transverse speed produced the best mechanical properties in the WE43 alloy.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"25 1","pages":"2577 - 2594"},"PeriodicalIF":1.8,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86753404","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
Heat treatment effects on microstructure and properties of advanced high-strength steels 热处理对高级高强钢组织和性能的影响
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-16 DOI: 10.1080/02670836.2023.2212538
S. Chen, R. Mostert, M. Aarnts
{"title":"Heat treatment effects on microstructure and properties of advanced high-strength steels","authors":"S. Chen, R. Mostert, M. Aarnts","doi":"10.1080/02670836.2023.2212538","DOIUrl":"https://doi.org/10.1080/02670836.2023.2212538","url":null,"abstract":"The effects of the austempering time on the microstructure and properties of two third-generation high-strength steels are investigated for austempering (TBF), and for quenching and partitioning (QP). The process parameters are chosen according to the capacity of an existing continuous annealing or galvanising line. More than 10% retained austenite can be stabilised although carbides start to form at short overageing times with the simulated cycles. The product of the tensile strength and total elongation for TBF is higher than for QP, and it peaks with increasing austempering time for TBF, but decreases monotonously for QP. The hole expansion capacity for QP is higher than for TBF and it peaks with austempering time for both TBF and QP.","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"179 1","pages":"2642 - 2661"},"PeriodicalIF":1.8,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83259029","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
Microstructure and solidification behaviour of CuNiSiAl eutectic multi-principal element alloy cunisal共晶多主元素合金的组织与凝固行为
IF 1.8 4区 材料科学
Materials Science and Technology Pub Date : 2023-05-14 DOI: 10.1080/02670836.2023.2210917
Xulong An, Xiaotong Zhang, Y. Sui, Jing Hu, Zhengxiang Xu, Wei Wei, C. Chu, Wenwen Sun
{"title":"Microstructure and solidification behaviour of CuNiSiAl eutectic multi-principal element alloy","authors":"Xulong An, Xiaotong Zhang, Y. Sui, Jing Hu, Zhengxiang Xu, Wei Wei, C. Chu, Wenwen Sun","doi":"10.1080/02670836.2023.2210917","DOIUrl":"https://doi.org/10.1080/02670836.2023.2210917","url":null,"abstract":"Eutectic multi-principal element alloys show great promise due to their exceptional castability, unique near-equilibrium microstructure, and controllability. In this study, a novel copper-containing Cu42.3Ni30Si15Al12.7 eutectic multi-principal element alloy was designed and investigated. The microstructure of the alloy is composed of primary phase Ni2Si and eutectic phase (FCC(Cu) + BCC(NiAl)). The eutectic reaction temperature is 1004°C. Understanding the solidification process is crucial for optimising solidification parameters and subsequent annealing. The as-cast Cu42.3Ni30Si15Al12.7 alloy exhibits high micro-hardness (400 ± 2.4 HV) and compressive fracture strength (1511 MPa)","PeriodicalId":18232,"journal":{"name":"Materials Science and Technology","volume":"297 1","pages":"2556 - 2561"},"PeriodicalIF":1.8,"publicationDate":"2023-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89069414","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: 1
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