Journal of Materials Research and Technology-Jmr&t最新文献

{"title":"Evolution process of T1 precipitate in Al–Cu–Li–TiC/TiB2 alloy during aging treatment","authors":"","doi":"10.1016/j.jmrt.2024.09.046","DOIUrl":"10.1016/j.jmrt.2024.09.046","url":null,"abstract":"<div><p>In this study, particle-reinforced aluminium matrix composites (PRAMCs) of an Al–Cu–Li alloy were prepared using nano-sized TiB₂+TiC particles. The relationship between TiB₂+TiC nanoparticles and T₁ precipitates during the ageing process, as well as the influence of TiC + TiB₂ particles on the growth process of T₁ precipitates during the ageing process, were investigated. The grain sizes of the A0 and A1 samples were found to be 249.89 μm and 86.42 μm, respectively. The dislocation density is greater in the deformed A1 sample. The coefficient of thermal expansion (CTE) effect generated by TiC and TiB₂ particles stimulates the precipitation process of T₁ precipitates. The A1 alloy reached the peak ageing state in a shorter time and yielded a greater number of T₁ precipitates. The precipitation process of T₁ precipitate is: SSSS→T_1P→T₁. The transition from T_1P (face-centered cubic, FCC) to T₁ (hexagonal close packing, HCP) entails a modification in the order of packing. The recently formed T_1P precipitate is attached to the established T₁ precipitate and extends along the c-axis through the shared copper-rich layer that has formed on both sides of the mature T₁ precipitate. The mechanical properties of sample A1 are optimal at T = 22h, with a yield strength, tensile strength, and elongation of 520 MPa, 553 MPa, and 8.2%, respectively. In comparison to the A0 sample, the yield strength and tensile strength exhibited an increase of 5.05% and 5.13%, respectively.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020519/pdfft?md5=f8a0791c792be0ff0f9b1ecf4ee3c72b&pid=1-s2.0-S2238785424020519-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142238279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of γ′ and δ phases evolution on the mechanical properties of high-entropy CoCu0.5FeNiTa0.1 alloy during heat treatment","authors":"","doi":"10.1016/j.jmrt.2024.09.092","DOIUrl":"10.1016/j.jmrt.2024.09.092","url":null,"abstract":"<div><p>To simultaneously improve the mechanical strength and plasticity of the CoCu_0.5FeNiTa_0.1 high entropy alloy, we adopted the heat treatment and investigated the evolution of different phases containing γ′, δ and γ phases. Two different γ′ phases, the Cu-rich phase and the Ta-rich phase, were detected in the as-cast alloy. During heat treatment, Cu outwards diffused from γ′(Cu-rich) into γ matrix, γ′(Ta-rich) phase and δ phase. The accumulation of Cu and Ta into the δ phase strongly promoted its growth. One significant increase was measured in the compressive yield strength from 1040 MPa to 1370 MPa, ultimate compressive strength from 2020 MPa to 2735 MPa, compressive strain from 34% to 50.2% and hardness from 3.854 GPa to 4.315 GPa. The substantial enhancement in ductility mainly resulted from the distance increase among γ′ particles in γ matrix, the reduction of lattice distortion and the decrease in aspect ratio of δ phases. The yield strengthening mechanisms were mainly from solid strengthening and Orowan strengthening.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020982/pdfft?md5=1623a1b48b907354691facf2e64efcbb&pid=1-s2.0-S2238785424020982-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142233629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of continuous and random multi-particle impaction on the aluminum coating and copper substrate in cold spraying","authors":"","doi":"10.1016/j.jmrt.2024.09.056","DOIUrl":"10.1016/j.jmrt.2024.09.056","url":null,"abstract":"<div><p>In this study, the process of multi-particle cold spraying has been numerically simulated and compared with the actual cold spraying results. The results show that in the continuous multi-particle models, the maximum depths of compressive residual stress reached 4.90 μm, 3.99 μm, 4.78 μm, and 5.19 μm for each increment in particle number. The penetration depth of residual stress increases then decreases, due to two opposite factors effects on the penetration depth of residual stress. the maximum compressive residual stresses on the substrate are 438.14 MPa, 293.57 MPa, 286.19 MPa, and 279.30 MPa respectively, declining as the number of impacting particles grows. With the subsequent deposition of particles, the further deformation of the substrate causes the stress on the side to gradually homogenize, and the peak value decreases. Surface stress of the workpiece alleviates after multiple Al particles impact Cu substrate. In all random multi-particle models of different gas pressure, the residual stress begins to disappear at about 100 μm from the surface, and basically disappear at about 300 μm. As the collision speed of particles increases, the substrate deformation increases, but the growth rate of deformation decreases. The influence of coating thickness on the substrate deformation gradually decreases with the increase of coating thickness.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020611/pdfft?md5=d08172fd7446dae641a63ab3997630fb&pid=1-s2.0-S2238785424020611-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142229720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanism of oxygen content on impact toughness of α + β powder metallurgy titanium alloy","authors":"","doi":"10.1016/j.jmrt.2024.09.077","DOIUrl":"10.1016/j.jmrt.2024.09.077","url":null,"abstract":"<div><p>Understanding the mechanism of oxygen on toughness of titanium alloys is crucial for popularizing powder metallurgy. In this work, the effect of oxygen content (1500, 3000 and 5000 ppm) on the impact toughness of powder metallurgically modified titanium alloys with fine equiaxed microstructures (∼1.5 μm) was systematically investigated. With increasing oxygen content, the c/a value of the α-phase lattice parameter increases to a maximum of 1.593 Å, and the hardness increases from 4.03 GPa to 5.05 GPa, resulting in an increase in strength of ∼150 MPa and a considerable decrease in the ability of the two phases to coordinate. The crack initiation energy is similar for different oxygen contents, whereas the crack propagation energy increases considerably with decreasing oxygen content; the impact energy of stable crack extension increases from 4 J to 13 J and 35 J, and the impact energy of unstable crack extension and crack collapse stages increases from zero to 14 J and 25 J, respectively, indicating that decreasing oxygen content can substantially improve the crack extension resistance. The activation of numerous dislocations within the two phases and the formation of subgranular boundaries at low oxygen contents promote the release of internal stresses in the grains, and simultaneously, the interfacial resistance to dislocation migration and the concentration of interfacial stresses are also reduced, which improves the coordination of the two-phase plastic deformation of the equiaxed microstructures; the crack extension paths in the impact process become more tortuous and finally achieve impact energies as high as 85–100 J.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020830/pdfft?md5=a061c97d74d8730752bbe30b9e05bbbc&pid=1-s2.0-S2238785424020830-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142232875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Breaking the strength-ductility trade-off in austenitic stainless steel at cryogenic temperatures: Mechanistic insights","authors":"","doi":"10.1016/j.jmrt.2024.09.074","DOIUrl":"10.1016/j.jmrt.2024.09.074","url":null,"abstract":"<div><p>At cryogenic temperatures, 316L austenitic stainless steel (ASS) exhibits remarkable strength while retaining high ductility, defying the conventional stress-strain trade-off. Despite extensive studies documenting the cryo-tensile properties of ASSs, the underlying mechanisms behind this phenomenon remain largely unexplored. This study systematically re-examines the tensile properties of 316L stainless steel and the associated mechanisms across a range of low temperatures (293 K, 223 K, 123 K, and 77 K). The reasons for the superior stress-strain balance (∼80 % GPa) are discussed using results from electron backscatter diffraction (EBSD) microstructure characteristics. The results undoubtedly suggest that the transformation mechanisms, specifically the shift from deformation twinning to martensitic transformation (γ → ε → α′), play a crucial role in enhancing elongation at cryogenic temperatures. At these temperatures, the Gibbs free energy difference between ε-martensite and γ-austenite approaches zero, resulting in slow martensite growth. The stress-strain curves at low temperatures satisfy the Considère criterion, indicating delayed necking under these conditions. This behavior is ascribed to the presence of various hierarchical microstructures, including ε, α′, γ-twins, ε-twins and their intersections, which act as sources of work hardening. This study provides new insights into deformation behavior of ASSs under cryogenic conditions.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020799/pdfft?md5=02f5cc727eecb6ecdcec2eda1df69c43&pid=1-s2.0-S2238785424020799-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142238398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization, mechanical, corrosion, and in vitro apatite-formation ability properties of hydroxyapatite-reduced graphene oxide coatings on Ti6Al4V alloy by plasma electrolytic oxidation","authors":"","doi":"10.1016/j.jmrt.2024.09.041","DOIUrl":"10.1016/j.jmrt.2024.09.041","url":null,"abstract":"<div><p>Hydroxyapatite-reduced graphene oxide (HA/rGO) nanocomposite coatings were developed on Ti6Al4V alloy using plasma electrolytic oxidation (PEO). The PEO electrolyte comprised calcium acetate (C₄H₆CaO₄) and calcium glycerophosphate (C₃H₇O₅CaP). Prior to integrating reduced graphene oxide into the coating solution, parameters such as voltage and current density were optimized using scanning electron microscopy (SEM). The influence of various current densities and graphene concentrations on coating properties was analyzed. Coating phase structures, surface morphologies, functional groups, and chemical compositions were characterized by X-ray diffraction (XRD), SEM, attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and energy dispersive spectroscopy (EDS). Raman spectroscopy confirmed the presence of graphene in the coatings. Surface morphology examinations revealed that surface cracks appeared at voltages above 350 V due to thermal stresses. Increasing current density reduced the number of porosities but increased pore size. Adding graphene to the solution to form HA/rGO coatings further decreased both the number and size of porosities. XRD analysis identified phases of titanium, anatase, rutile, titanium phosphide, tri-calcium phosphate (TCP), and hydroxyapatite in the coatings. Corrosion properties were assessed via potentiodynamic polarization tests in simulated body fluid (SBF) solution. Tribological and mechanical properties were evaluated by pin-on-disk and microhardness, respectively. The in vitro apatite-formation ability of the coatings was assessed by immersion in SBF at 37 °C, with ion concentration changes measured by inductively coupled plasma spectrometry (ICP). Results indicated that increasing current density reduced porosities and increased the Ca/P ratio.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020489/pdfft?md5=9fb813279adfa34d583e1e2e15476b39&pid=1-s2.0-S2238785424020489-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142238263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intelligent corrosion analysis and life prediction of ductile iron pipe systems using machine learning and electrochemical sensors","authors":"","doi":"10.1016/j.jmrt.2024.09.076","DOIUrl":"10.1016/j.jmrt.2024.09.076","url":null,"abstract":"<div><p>This study established a circulating system to control the concentration of substances and temperature in the aqueous solution. Simultaneously, sensors were used to continuously monitor the corrosion of three pipe materials: ductile iron (DI), surface-treated ductile iron (SDI), and carbon steel (CS). A corrosion decision model based on a machine learning framework was developed for data mining. The results show that the developed model provides accurate corrosion prediction strategies. Analysis revealed that high temperature is the primary factor accelerating corrosion in water systems. SDI accelerates at 60 °C, reaching its peak at 90 °C, while DI and CS peak at 80 °C. The superior corrosion resistance of SDI is attributed to its ability to withstand accelerated corrosion under high temperatures and environmental coupling, making it more stable when immersed in water.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020817/pdfft?md5=94298bacde3db3992e78479e3255f07f&pid=1-s2.0-S2238785424020817-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142238299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of interlayer ultrasonic impact on the microstructure, mechanical and corrosion properties of wire arc additive manufacturing AZ31 Mg alloy thin wall","authors":"","doi":"10.1016/j.jmrt.2024.09.040","DOIUrl":"10.1016/j.jmrt.2024.09.040","url":null,"abstract":"<div><p>AZ31 Mg alloy thin walls are prepared using wire arc additive manufacturing (WAAM) and interlayer ultrasonic impact (UI) techniques with cold metal transition (CMT) serving as the heat source. The microstructure, mechanical and corrosion properties of thin walls prepared by WAAM and WAAM + UI are studied. Results showed that the recrystallization area fraction along traveling direction (TD) increased by 68.6% after UI treatment, and many fine equiaxed crystals were formed, resulting in grain refinement, anisotropy reduction, mechanical and corrosion properties improvement. The average grain size along TD decreased from 66.6 ± 3.5 μm to 32.7 ± 1.6 μm. Through UI treatment, the ultimate tensile strength (UTS) and elongation (EL) along TD increased from 205 MPa to 230 MPa and 13.5%–17%, respectively. The anisotropic percentage of UTS and EL were decreased from 10.8% to 4.5%, and 42.1%–9.7%, respectively. Electrochemical experimental results showed that the average corrosion rate along TD decreased from 1.93 mm year⁻¹ to 1.53 mm year⁻¹. Grain refinement, dislocation density variation and texture strength reduction were the main reasons for these results.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020453/pdfft?md5=8243c5695abba951d3931e1c5b2815fe&pid=1-s2.0-S2238785424020453-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142229711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of cooling rate on eutectoid transformation of β phase in copper-beryllium alloy","authors":"","doi":"10.1016/j.jmrt.2024.09.071","DOIUrl":"10.1016/j.jmrt.2024.09.071","url":null,"abstract":"<div><p>The copper (Cu)-beryllium (Be) alloy is a critical material for high-performance photomultiplier cathodes. The microstructure evolution of the β phase in the Cu-2.8Be alloy subjected to cooling rate ranging from 0.5 to 80 °C/s after heat treatment. The non-isothermal phase transformation kinetics equation of the alloy was derived. At a cooling rate of 0.5 °C/s, the β phase completely transformed into the α phase and γ phase through a eutectoid reaction (β → α + γ). The γ phase preferentially precipitates at locations with higher free energy, such as grain boundaries and defects in the parent phase. The orientation relationship between the α phase and the γ phase follows the Kurdjumov-Sachs (K–S) relationship (<span><math><mrow><msub><mrow><mo>[</mo><mn>110</mn><mo>]</mo></mrow><mi>α</mi></msub><mo>∥</mo><msub><mrow><mo>[</mo><mn>111</mn><mo>]</mo></mrow><mi>γ</mi></msub></mrow></math></span>; <span><math><mrow><msub><mrow><mo>(</mo><mrow><mn>1</mn><mover><mn>1</mn><mo>‾</mo></mover><mover><mn>1</mn><mo>‾</mo></mover></mrow><mo>)</mo></mrow><mi>α</mi></msub><mo>∥</mo><msub><mrow><mo>(</mo><mrow><mn>0</mn><mover><mn>1</mn><mo>‾</mo></mover><mn>1</mn></mrow><mo>)</mo></mrow><mi>γ</mi></msub></mrow></math></span>), and the α phase nucleates and grows with a twin relationship to the Cu matrix. As the cooling rate increases, the transformation fraction of the β phase decreases. The critical cooling rate at which the β phase eutectoid reaction is completely suppressed is 80 °C/s. A non-isothermal phase transformation kinetics equation for the β phase eutectoid transformation was established: <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow><mo>=</mo><mn>1</mn><mo>−</mo><mi>exp</mi><mrow><mo>{</mo><mrow><mo>−</mo><msup><mrow><mo>{</mo><mrow><mn>34.703</mn><msup><mi>r</mi><mrow><mo>−</mo><mn>1.062</mn></mrow></msup><mrow><mo>[</mo><mrow><mi>exp</mi><mrow><mo>(</mo><mrow><mo>−</mo><msup><mn>0.9107</mn><mi>r</mi></msup></mrow><mo>)</mo></mrow><mo>−</mo><mn>0.3575</mn></mrow><mo>]</mo></mrow></mrow><mo>}</mo></mrow><mn>2.2</mn></msup></mrow><mo>}</mo></mrow></mrow></math></span>, elucidating the relationship between the phase transformation fraction and the cooling rate, which provides a theoretical basis for controlling the microstructure of Cu–Be alloy through heat treatment. Validated by the Cu-3.3Be alloy, this equation demonstrates excellent universality.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020763/pdfft?md5=493e62e65b8897d8226147c7f15b0ae8&pid=1-s2.0-S2238785424020763-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142238203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microstructure evolution and constitutive modeling of Cu-bearing high-strength low-alloy steel during hot deformation","authors":"","doi":"10.1016/j.jmrt.2024.09.052","DOIUrl":"10.1016/j.jmrt.2024.09.052","url":null,"abstract":"<div><p>The microstructural evolution of austenite during hot deformation determines the mechanical properties of steel products. Consequently, industrial applications necessitate a thorough comprehension and modeling of this process. Under varied hot deformation conditions, the flow stress, microstructure evolution, and constitutive modeling of a Cu-bearing steel were examined. At various temperatures and strain rates, compression experiments are conducted, and the resulting microstructures were studied by electron backscatter diffraction (EBSD). Our results indicate that fine prior austenite grains with an average diameter of 22.1 m and a high-angle grain boundary density of 0.25 m1 were produced at a deformation temperature of 950 °C and a strain rate of 1 s⁻¹. The dominating rotating cube components ({001}&lt;110&gt;) in the sample deformed at 1150 °C were gradually replaced by the γ-fiber texture component as the deformation temperature decreased. To accurately predict the flow behavior of this steel, we proposed an improved Arrhenius constitutive model that accounts for strain rate and adiabatic temperature rise. With a correlation coefficient (<em>Rc</em>) of 0.9936, a root mean square error (<em>RMSE</em>) of 4.92%, and a relative error (<em>δ</em>) of 6.05 MPa, our results demonstrate that this model predicts the flow stress of the experimental steel with good precision. This research contributes to the development of high-performance steel products by shedding light on the microstructural evolution and flow behavior of Cu-containing steels under hot deformation conditions.</p></div>","PeriodicalId":54332,"journal":{"name":"Journal of Materials Research and Technology-Jmr&t","volume":null,"pages":null},"PeriodicalIF":6.2,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2238785424020568/pdfft?md5=83f08fff85ebcaa89e681b56ac5eec2f&pid=1-s2.0-S2238785424020568-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142229714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}