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Microstructure development of quenching and partitioning-processed martensitic stainless steels with different manganese content 不同锰含量的淬火和分割加工马氏体不锈钢的微观结构发展
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231215989
Gaojie Li, Cees Kwakernaak, Ali Smith, Marta Muratori, Yaiza Gonzalez-Garcia, M. Santofimia
{"title":"Microstructure development of quenching and partitioning-processed martensitic stainless steels with different manganese content","authors":"Gaojie Li, Cees Kwakernaak, Ali Smith, Marta Muratori, Yaiza Gonzalez-Garcia, M. Santofimia","doi":"10.1177/02670836231215989","DOIUrl":"https://doi.org/10.1177/02670836231215989","url":null,"abstract":"This work presents an investigation of the microstructure development during the application of the quenching and partitioning (Q&P) process to two stainless steels with different Mn content. The results are compared with calculations based on the constrained carbon equilibrium theory, paying special attention to the presence of reactions competing for the carbon available for partitioning and to the effect of alloying element segregation. Results show that chromium carbides must be considered when accounting for the carbon available for austenite stabilisation. Moreover, manganese/chromium segregation bands play an important role in the microstructure development, particularly in martensite formation, with important consequences in the microstructure development during the following processing steps.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"53 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139458468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 properties of AZ31 alloy by static recrystallisation at lower temperature 通过低温静态重结晶获得 AZ31 合金的微观结构和性能
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231214147
Pengyun Yang, Jianfeng Fan, Bin Wang, Qiang Zhang, Weiguo Li, Hongbiao Dong
{"title":"Microstructure and properties of AZ31 alloy by static recrystallisation at lower temperature","authors":"Pengyun Yang, Jianfeng Fan, Bin Wang, Qiang Zhang, Weiguo Li, Hongbiao Dong","doi":"10.1177/02670836231214147","DOIUrl":"https://doi.org/10.1177/02670836231214147","url":null,"abstract":"The microstructure evolution and mechanical properties of AZ31 Mg sheets that was processed by rolling and subsequent annealing at lower temperature were investigated. The results indicated that few-pass rolling with large deformation is a better strategy to prepare AZ31 Mg sheets with higher deformation restored energy and less rolling defects. After annealing, the static recrystallisation occurred and the recrystallisation degree increases with the annealing temperature and time. Finally, the best comprehensive mechanical properties were obtained by 3-pass rolling with large deformation and annealing at 200 °C for 150 s and the corresponding YS, UTS and TEF of the AZ31 sheet were 225 MPa, 305 MPa and 32%, respectively. The improvement in the microstructure and mechanical properties can be attributed to an optimised static recrystallisation at a relatively low temperatures and in a short time.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"18 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139458470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Role of δ-phase on recrystallisation behaviour of Inconel 718 δ相对铬镍铁合金 718 再结晶行为的影响
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231212617
Basavaraj Padasale, Lokendra Potphode, Preetish C. D’silva, S. Hegde
{"title":"Role of δ-phase on recrystallisation behaviour of Inconel 718","authors":"Basavaraj Padasale, Lokendra Potphode, Preetish C. D’silva, S. Hegde","doi":"10.1177/02670836231212617","DOIUrl":"https://doi.org/10.1177/02670836231212617","url":null,"abstract":"The present work investigates the annealing behaviour of prior-coldworked Inconel 718 (IN718) sheets over wide reduction and temperature ranges by performing cold-rolling and isothermal annealing, followed by mechanical testing and structural characterisation. The study reveals that, with increasing annealing temperature, the prior-coldworked alloy shows non-monotonic M-Type variation with double peak-hardening at 0.3 Tm and 0.6 Tm. The study discovers that the first peak is due to the ‘static–strain–aging phenomenon’ that precedes recovery-softening. The second peak-hardening is due to precipitation-hardening, following which, the alloy softens due to recrystallisation. Supported by SEM, electron back-scattered diffraction and X-Ray diffraction results, the investigation suggests that the precipitation of fine rod-shaped δ-phase creates numerous nucleation sites at the shear bands that cause recrystallisation-burst at 0.75 Tm. However, above 0.75 Tm absence of the δ-phase activates grain-boundary migration resulting in rapid grain-coarsening.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"41 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alumina/GNPs coating on textured WC/Co substrate: microstructure and tribology 纹理 WC/Co 基底上的氧化铝/GNPs 涂层：微观结构与摩擦学
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231223800
Junqiang Sun, Changxia Liu, F. Venturi, Acacio Rincón Romero, Tanvir Hussain
{"title":"Alumina/GNPs coating on textured WC/Co substrate: microstructure and tribology","authors":"Junqiang Sun, Changxia Liu, F. Venturi, Acacio Rincón Romero, Tanvir Hussain","doi":"10.1177/02670836231223800","DOIUrl":"https://doi.org/10.1177/02670836231223800","url":null,"abstract":"This work aims to provide a method for improving the tribological properties of WC/Co substrates. Laser surface texturing technology was employed to fabricate micro-grooves on the substrate surfaces. Suspension high velocity oxy fuel thermal spraying technique was used to deposit 99 wt-% alumina + 1 wt-% graphene nanoplatelets (GNPs) coating on the substrate surface with micro-grooves. Characterisations such as micromorphology, composition analysis and tribological performance were examined. Results showed that the morphology of the laser prepared micro-groove consisted of two hills and one valley. The grid-textured samples sprayed with alumina/GNPs coating showed the lowest coefficient of friction and wear rate, which was benefited from the larger texture density and the friction reduction of GNPs lubrication film.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"95 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sulfide stress cracking (SSC) of a commercial Q345 pressure vessel steel in a wet H2S environment 湿 H2S 环境中 Q345 商用压力容器钢的硫化物应力开裂 (SSC)
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231219870
Yan Tian, Jimou Zhang, Zhen Wang, Yong Zhou, Min Zhang, Xin Li, Ming-Chun Zhao, Andrej Atrens
{"title":"Sulfide stress cracking (SSC) of a commercial Q345 pressure vessel steel in a wet H2S environment","authors":"Yan Tian, Jimou Zhang, Zhen Wang, Yong Zhou, Min Zhang, Xin Li, Ming-Chun Zhao, Andrej Atrens","doi":"10.1177/02670836231219870","DOIUrl":"https://doi.org/10.1177/02670836231219870","url":null,"abstract":"The steel Q345 is extensively used in pressure vessels with low and medium pressure because of good mechanical properties and low cost. Good resistance to sulfide stress cracking (SSC) is required for the pressure vessel steel, but the SSC behavior of the Q345 has received little attention. This work investigated the SSC behavior of the Q345 in a wet H2S environment. The microstructure contained the irregular various-sized polygonal-like ferrite grains plus a carbon-rich degenerate pearlite banded structure. The Q345 had high ductility but failed to pass the SSC tests. The SSC cracking involved hydrogen embrittlement. The SSC preferentially occurred at the carbon-rich degenerate pearlite banded structure. The elimination of the carbon-rich degenerate pearlite banded structure is necessary to improve the SSC resistance of the Q345 pressure vessel steel.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"85 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanical and tribological property of Cu/CrB2 composites under dry sliding condition Cu/CrB2 复合材料在干燥滑动条件下的机械和摩擦学特性
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231219189
Xin-feng Guo, Lei Jia, Zhen-lin Lu, Hui Xie, K. Kondoh
{"title":"Mechanical and tribological property of Cu/CrB2 composites under dry sliding condition","authors":"Xin-feng Guo, Lei Jia, Zhen-lin Lu, Hui Xie, K. Kondoh","doi":"10.1177/02670836231219189","DOIUrl":"https://doi.org/10.1177/02670836231219189","url":null,"abstract":"Dry sliding friction and wear test of Cu/CrB2 composites manufactured by ex situ method was studied, and the mechanical properties were also measured to assistant analysis wear behaviour. When CrB2 content is 3 vol.-%, both the mechanical and tribological properties reach the maximum values, viz., 113 HV, 304 MPa and 9.1 × 10−5 mm3 N−1 m−1 of the normal load is 10 N, higher 71.2%, 33.3%, lower 52.8% than that of pure Cu, respectively, which can be ascribed to the increase of hardness and the transfer of main wear mechanisms of Cu matrix from adhesive to abrasive wear by the addition of CrB2. Further increase CrB2 content to above 5 vol.-%, wear resistance would decreases since the pulled out of CrB2 particles.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"34 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 parameters on quality of IN718 parts using laser additive manufacturing 参数对使用激光增材制造 IN718 零件质量的影响
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231219865
Aman Dwivedi, M. K. Khurana, Y. G. Bala
{"title":"Effect of parameters on quality of IN718 parts using laser additive manufacturing","authors":"Aman Dwivedi, M. K. Khurana, Y. G. Bala","doi":"10.1177/02670836231219865","DOIUrl":"https://doi.org/10.1177/02670836231219865","url":null,"abstract":"The objective of this study is to determine the effect of process parameters such as laser power, scanning speed and layer thickness on the mechanical properties, microstructure and fracture mechanism of Inconel 718 using laser powder bed fusion additive manufacturing process. Full factorial design, regression modelling and response surface methodology are used to optimise the process parameters. The highest tensile strength occurs at 350 W laser power, 1300 mm/s scanning speed and 30 µm layer thickness. The optimal parameters for multi-objective optimisation are identical to those used for single-objective optimisation for tensile strength. The difference between the predicted and actual tensile strength is 0.33%. This work shows a successful methodology using IN718 superalloy for various applications in aerospace industry.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"89 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructure effect on sliding wear of 316L stainless steel selectively laser melted 微观结构对选择性激光熔化 316L 不锈钢滑动磨损的影响
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231217393
Germán Omar Barrionuevo, Magdalena Walczak, J. Ramos-Grez, Patricio Mendez, A. Debut
{"title":"Microstructure effect on sliding wear of 316L stainless steel selectively laser melted","authors":"Germán Omar Barrionuevo, Magdalena Walczak, J. Ramos-Grez, Patricio Mendez, A. Debut","doi":"10.1177/02670836231217393","DOIUrl":"https://doi.org/10.1177/02670836231217393","url":null,"abstract":"Due to varying thermal cycles, the resulting microstructure of metal additive manufacturing differs from the conventionally processed counterpart alloys. Since the mechanical properties depend on the microstructure, the wear resistance of components manufactured by laser powder bed fusion (LPBF) is determined by the processing parameters. This work focuses on microhardness and sliding wear of 316L stainless steel, evaluated nanoindentation and pin-on-disc, respectively, analysed through optical microscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) and glow discharge emission spectrometry (GDOES). The results show that the LPBF-processed specimens have about 40% higher microhardness and ca. 30% lower wear rate than the wrought counterpart. The enhanced sliding wear resistance is associated with the higher density of dislocations at the cellular subgrain boundaries.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Processing of different Mg-based multiphase alloys via a combined severe plastic deformation 通过组合剧烈塑性变形加工不同的镁基多相合金
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231212989
H. Torabi, S.M. Hosseini, A. Siahsarani, A. Najafi, A. Masoumi, G. Faraji
{"title":"Processing of different Mg-based multiphase alloys via a combined severe plastic deformation","authors":"H. Torabi, S.M. Hosseini, A. Siahsarani, A. Najafi, A. Masoumi, G. Faraji","doi":"10.1177/02670836231212989","DOIUrl":"https://doi.org/10.1177/02670836231212989","url":null,"abstract":"In this study, cyclic extrusion compression angular pressing-forward extrusion was employed to develop binary magnesium-based multiphase alloys, and subsequently analysed the microstructural, mechanical and corrosional properties of the resulting samples. The findings demonstrate that the inclusion of alloying elements in the multiphase alloys significantly enhances their microstructural, mechanical and corrosional properties. Compared to pure Mg samples fabricated using the same method, the multiphase alloys produced by this technique exhibit finer grain structures. Mechanical analysis indicates that these multiphase alloys possess higher yield and ultimate strength compared to pure magnesium. Corrosion testing reveals that all produced alloys outperform pure magnesium in various aspects. Particularly, Mg–1Zn and Mg–1Mn alloys exhibit exceptional corrosion resistance in immersion, mass loss and polarisation tests.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"17 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 of in-situ synthesised (TiB + TiC) particulate reinforced titanium matrix composites casting 原位合成（TiB + TiC）颗粒增强钛基复合材料铸造的微观结构演变
Materials Science and Technology Pub Date : 2024-01-08 DOI: 10.1177/02670836231218068
Choi Bong-Jae
{"title":"Microstructure evolution of in-situ synthesised (TiB + TiC) particulate reinforced titanium matrix composites casting","authors":"Choi Bong-Jae","doi":"10.1177/02670836231218068","DOIUrl":"https://doi.org/10.1177/02670836231218068","url":null,"abstract":"This research article focuses on the microstructure evolution and crystallisation sequence of particulate-reinforced titanium matrix composites (TMCs) prepared through the investment casting process. Boron carbide (B4C) was added to the titanium melts using vacuum induction melting, resulting in an in-situ reaction, 5Ti + B4C = 4TiB + TiC, that produced 5, 10 and 20 vol.-% (TiB + TiC) reinforcements. The results showed that the size and distribution of the in-situ reinforcements varied with the B4C size and content. Additionally, the presence of carbon element in graphite crucible affected the crystallisation sequence of TiB and TiC, leading to different morphologies and sizes. The study also investigated the interaction between the TMCs and mould materials, demonstrating the feasibility of achieving alpha-case controlled TMC castings.","PeriodicalId":516293,"journal":{"name":"Materials Science and Technology","volume":"78 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139535459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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