International Journal of Modern Physics B最新文献

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Unsteady non-Newtonian fluid flow past an oscillating vertical plate with temperature-dependent viscosity: A numerical study 非牛顿非稳态流体流过具有温度相关粘度的摆动垂直板:数值研究
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-27 DOI: 10.1142/s0217979224504319
T. Salahuddin, Muhammad Awais, Shah Muhammad
{"title":"Unsteady non-Newtonian fluid flow past an oscillating vertical plate with temperature-dependent viscosity: A numerical study","authors":"T. Salahuddin, Muhammad Awais, Shah Muhammad","doi":"10.1142/s0217979224504319","DOIUrl":"https://doi.org/10.1142/s0217979224504319","url":null,"abstract":"<p>The analysis of non-Newtonian fluid flow over an oscillating surface often involves numerical simulations and experimental investigations. Computational fluid dynamics method including finite difference or finite element techniques can be used to crack the governing equations of the fluid flow. In this work, we used the Crank–Nicolson numerical technique to analyze the numerical behavior of unsteady boundary layer flow of Casson fluid with natural convection past an oscillating vertical plate. The temperature-dependent viscosity is assumed for the flow analysis. The impact of chemical reaction and heat generation coefficient is used to examine the mass and heat transferal rates. The investigation of non-Newtonian fluid flow over an oscillating surface is crucial for a wide range of industrial, biomedical, and scientific applications. The governing model of equations occurs in the form of nondimensional PDEs and then we use the dimensionless variables in order to achieve the dimensional PDEs. These equations are numerically solved by using the Crank–Nicolson technique. The Crank–Nicolson scheme is used because it has the ability to provide accurate and stable solutions and make it a valuable numerical technique in various scientific and engineering disciplines. The findings indicate the significance of numerous parameters on the mass, velocity and energy regions. The numerical outcomes of skin friction are observed due to fluid parameter, viscosity parameter, Grashof numbers of heat and solutal rates.</p>","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140047029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of initial system–environment correlations with a spin environment 自旋环境下初始系统环境相关性的作用
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-25 DOI: 10.1142/s0217979224504290
Ali Raza Mirza, Mah Noor Jamil, Adam Zaman Chaudhry
{"title":"The role of initial system–environment correlations with a spin environment","authors":"Ali Raza Mirza, Mah Noor Jamil, Adam Zaman Chaudhry","doi":"10.1142/s0217979224504290","DOIUrl":"https://doi.org/10.1142/s0217979224504290","url":null,"abstract":"<p>Open quantum systems are a subject of immense interest as their understanding is crucial in the implementation of modern quantum technologies. In the study of their dynamics, the role of the initial system–environment correlations is commonly ignored. In this work, to gain insights into the role of these correlations, we solve an exactly solvable model of a single two-level system interacting with a spin environment, with the initial system state prepared by a suitable unitary operation. By solving the dynamics exactly for arbitrary system–environment coupling strength while taking into account the initial system–environment correlations, we show that the effect of the initial correlations is, in general, very significant and nontrivial. To further highlight the importance of the initial system–environment correlations, we also extend our study to investigate the dynamics of the entanglement between two two-level systems interacting with a common spin environment.</p>","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140047030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blasius–Rayleigh–Stokes nanofluid dusty flow influenced by Cattaneo–Christov double diffusion and melting heat transfer — application of response surface methodology 受 Cattaneo-Christov 双扩散和熔融传热影响的 Blasius-Rayleigh-Stokes 纳米流体粉尘流--响应面方法的应用
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-25 DOI: 10.1142/s0217979224504289
Tahir Mehmood, Muhammad Ramzan, C. Saleel, Seifedine Kadry
{"title":"Blasius–Rayleigh–Stokes nanofluid dusty flow influenced by Cattaneo–Christov double diffusion and melting heat transfer — application of response surface methodology","authors":"Tahir Mehmood, Muhammad Ramzan, C. Saleel, Seifedine Kadry","doi":"10.1142/s0217979224504289","DOIUrl":"https://doi.org/10.1142/s0217979224504289","url":null,"abstract":"This paper focuses on the study of Blasius–Rayleigh–Stokes nanofluid dusty flow with generalized Fourier and Fick laws under the influence of a transitive magnetic field. The Blasius–Rayleigh–Stokes nanofluid dusty flow has significant applications in various fields, including the design of heat exchangers, microfluidic devices and industrial processes involving the transportation of suspended particles in fluids. This paper considers the impact of melting heat transfer at the surface boundary. By employing relevant transformations, the mathematical model is transformed into a system of self-similar equations. The solution to this set of highly nonlinear equations is obtained using the bvp4c numerical method in combination with the response surface methodology (RSM) statistical approach. The results are presented through graphical illustrations and numerically calculated tabulated values. It is observed that the fitted model for the skin friction coefficient [Formula: see text] optimal. Moreover, the model parameters [Formula: see text], Q, [Formula: see text], M and L are linearly and quadratically significant in explaining the variation presented for skin friction coefficient [Formula: see text]. This indicates the response skin friction coefficient [Formula: see text] is minimized to 0.005 at [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] and is maximized to 1.387 at [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text].","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139596559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of comparative analysis of Reynold’s and Vogel’s models (variable viscosity) in a wire coating process filled with magnetized porous 雷诺模型和沃格尔模型(粘度可变)在充满磁性多孔材料的线涂层工艺中的动态对比分析
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-25 DOI: 10.1142/s0217979224504174
Rekha Satish, B. T. Raju, P. D. Prasad, S. Raju, C. S. K. Raju, M. D. Kumar
{"title":"Dynamics of comparative analysis of Reynold’s and Vogel’s models (variable viscosity) in a wire coating process filled with magnetized porous","authors":"Rekha Satish, B. T. Raju, P. D. Prasad, S. Raju, C. S. K. Raju, M. D. Kumar","doi":"10.1142/s0217979224504174","DOIUrl":"https://doi.org/10.1142/s0217979224504174","url":null,"abstract":"In this paper, we investigate the analysis of Oldroyd 8-constant fluid flow with nanoparticle suspension via a porous media during the coating of wire is carried out. A constant magnetic field and electrically conducting fluid are considered. The governing equations thus obtained for the present model are converted to nonlinear differential equations using variables in dimensionless form. These equations are analytically solved. The influence of some parameters, like magnetic field parameter, porosity parameter, dilatant constant, pseudo-plastic constant and Brinkman number on velocity and temperature distributions are discussed graphically. For fluctuating viscosity, two models, Reynold’s and Vogel’s are considered. It is observed that the magnetic parameter and the Brinkman number increase, both temperature and velocity profiles show a retarding effect in both Reynold’s and Vogel’s models.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139597666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comparative analysis of spherically and cylindrically shaped nanoparticles containing nanofluid flows over a permeable rotating disk affected by nanoparticles radius and nanolayer 含有纳米流体的球形和圆柱形纳米粒子在可渗透旋转盘上的流动受纳米粒子半径和纳米层影响的比较分析
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-25 DOI: 10.1142/s0217979224504307
Muhammad Ramzan, Nazia Shahmir, Seifedine Kadry, C. Saleel
{"title":"A comparative analysis of spherically and cylindrically shaped nanoparticles containing nanofluid flows over a permeable rotating disk affected by nanoparticles radius and nanolayer","authors":"Muhammad Ramzan, Nazia Shahmir, Seifedine Kadry, C. Saleel","doi":"10.1142/s0217979224504307","DOIUrl":"https://doi.org/10.1142/s0217979224504307","url":null,"abstract":"The aim of this paper is to present a comparative analysis of spherically and cylindrically shaped nanoparticles immersed separately in a graphene oxide/water nanofluid mixture over a rotating disk influenced by Hall current. The disk’s surface is permeable with suction/injection impact. In order to reveal the thermal integrity of the flow, the effect of nanoparticle diameter and the liquid–solid interfacial layer at the molecular level is also introduced. Estimates of thermal conductivity, interfacial layer thickness and the radius of both spherical and cylindrical particles are taken from experimental studies and utilized to investigate the thermal behavior of the flows. The Tiwari–Das model for nanofluid flow is considered that incorporates the thermal radiative impact in the energy equation. The equations obeying boundary layer theory are resolved to ordinary differential equations using a transformation, and further numerically computed with the bvp4c scheme. The velocities and the temperature profiles are graphically demonstrated versus the dimensionless parameters. Quantities of physical interest such as surface heat flux and surface drag coefficient are tabulated numerically. The results show that the surface drag is larger for nanofluids having cylindrical particles than for nanofluids containing spherical particles. Is also found that the heat transfer rate is greater for nanofluids containing cylindrical particles than spherical particles at higher interfacial layer thicknesses.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139598764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energies and radiative properties of 1s22l2l′ and 1s(2l)22l′ levels in tungsten ion, W70+ 钨离子 W70+ 中 1s22l2l′ 和 1s(2l)22l′ 电平的能量和辐射特性
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-22 DOI: 10.1142/s0217979224504253
A. A. El-Maaref, Mohammed Ezzeldien, M. Hasaneen
{"title":"Energies and radiative properties of 1s22l2l′ and 1s(2l)22l′ levels in tungsten ion, W70+","authors":"A. A. El-Maaref, Mohammed Ezzeldien, M. Hasaneen","doi":"10.1142/s0217979224504253","DOIUrl":"https://doi.org/10.1142/s0217979224504253","url":null,"abstract":"Multiconfiguration Dirac–Hartree–Fock (MCDHF) calculations of energy levels, oscillator strengths and transition rates of open K-shell transitions in beryllium-like tungsten ion, W[Formula: see text], are performed using the fully relativistic GRASP2018 code. For only principal quantum number [Formula: see text], energy levels of 1[Formula: see text] 2[Formula: see text], 1[Formula: see text]2[Formula: see text], 1[Formula: see text]2[Formula: see text], 1[Formula: see text]2p, 1[Formula: see text] and 1[Formula: see text] at different angular momenta and parity ([Formula: see text] are presented. Excitations of up to four electrons from the ground level, 1[Formula: see text] 2[Formula: see text], to excited levels are allowed. Correlations up to 5l orbitals are included in the configuration state function (CSF), [Formula: see text], p, d, f and g. The fine-structure calculations of E1, E2, M1 and M2 oscillator strengths and radiative rates between intercombination transitions in W[Formula: see text] ions are evaluated. The accuracy of these results is estimated using different ways, such as the comparison with previously published results and calculating the uncertainty of the transition data. The uncertainty of the transition probabilities showed low values for most of transitions.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139606344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonclassicality in a dispersive atom–cavity field interaction in the presence of an external driving field 存在外部驱动场时色散原子-空穴场相互作用的非经典性
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-22 DOI: 10.1142/s0217979224504150
Naveen Kumar, A. Chatterjee
{"title":"Nonclassicality in a dispersive atom–cavity field interaction in the presence of an external driving field","authors":"Naveen Kumar, A. Chatterjee","doi":"10.1142/s0217979224504150","DOIUrl":"https://doi.org/10.1142/s0217979224504150","url":null,"abstract":"We investigate nonclassical properties of a state generated by the interaction of a three-level atom with a quantized cavity field and an external classical driving field. In this study, the fields being degenerate in frequency are highly detuned from the atom. The atom interacts with the quantized field in a dispersive manner. The experimental setup involves a three-level atom passing through a cavity and interacting dispersively with the cavity field mode. Simultaneously, the atom interacts with an external classical field that is in resonance with the cavity field. The three-level atom can enter the cavity in one of the bare states [Formula: see text], [Formula: see text] or [Formula: see text] or in a superposition of two of these states. In this paper, we consider superposition of [Formula: see text] and [Formula: see text]. In our analysis, we focus on the statistical properties of the cavity field after interacting with the atom. The state vector [Formula: see text] describes the entire atom–field system but we analyze the properties of the cavity field independently neglecting the atomic component of the system. For this the atom part is traced out from [Formula: see text] to acquire the cavity field state only, denoted by [Formula: see text]. We evaluate different nonclassical measures including photon number distribution, Mandel’s [Formula: see text] parameter, squeezing properties [Formula: see text] and [Formula: see text], Wigner distribution, [Formula: see text] function, second-order correlation function [Formula: see text], etc. for the obtained cavity field state.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139608268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of unsteady MHD fluid flow across two parallel discs with uniform fluctuation subject to modified Hall and activation energy 受修正霍尔和活化能影响的、流经两个平行圆盘的均匀波动非稳态 MHD 流体流动分析
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-22 DOI: 10.1142/s0217979224504241
Bilal Ali, Sidra Jubair, Zafar Mahmood, Nisar Ahmad Koka, Abdul Hamid Gani
{"title":"Analysis of unsteady MHD fluid flow across two parallel discs with uniform fluctuation subject to modified Hall and activation energy","authors":"Bilal Ali, Sidra Jubair, Zafar Mahmood, Nisar Ahmad Koka, Abdul Hamid Gani","doi":"10.1142/s0217979224504241","DOIUrl":"https://doi.org/10.1142/s0217979224504241","url":null,"abstract":"This study intends to examine the consequences of the externally applied magnetic field and modified Hall effect on nanofluid flow across two symmetrically spinning and extending discs, where continuously the upper disc moves upward and downward. The lower disc is vertically fixed. The discs rotate and move vertically, generating a 3D flow. The mass density, heat transfer and flow motion have been evaluated and modeled in the form of the system of partial differential equations (PDEs) with an additional influence of activation energy, heat source and chemical reaction. The system of PDEs is modified to an ordinary set of differential equations by employing the resemblance substitution method. The obtained system of ODEs is further solved through the numerical approach (bvp4c). The results are compared to the bvp4c package and published work for validity purposes. In the case of downward displacement of the upper disc, magnetic and Hall characteristics have a significant impact on the velocity curve. The energy curve elevates with the upward movement of the disc, while it reduces with the downward fluctuation. Furthermore, the mass transmission rate enhances with the influence of hall current, while diminishing with the impact of chemical reaction rate.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139608881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Instability analysis of swirling cylindrical Rivlin–Ericksen viscoelastic fluid–viscous fluid interface with heat and mass transfer 漩涡圆柱形里夫林-埃里克森粘弹性流体-粘性流体界面传热传质的不稳定性分析
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-22 DOI: 10.1142/s0217979224504162
R. Srija, Abhishek Kumar Singh, M. Awasthi, Dhananjay Yadav, Sanjith Bharatharajan Nair
{"title":"Instability analysis of swirling cylindrical Rivlin–Ericksen viscoelastic fluid–viscous fluid interface with heat and mass transfer","authors":"R. Srija, Abhishek Kumar Singh, M. Awasthi, Dhananjay Yadav, Sanjith Bharatharajan Nair","doi":"10.1142/s0217979224504162","DOIUrl":"https://doi.org/10.1142/s0217979224504162","url":null,"abstract":"The applications of swirling interfaces with heat and mass transfer are diverse and impactful, spanning industries from energy and manufacturing to healthcare and environmental protection. This study focuses on the stability of such interfaces where a viscous fluid interacts with a Rivlin–Ericksen (RE) viscoelastic fluid, undergoing heat and mass transfer. In this paper, the fluids are enclosed between two cylinders, one stationary and the other rotating. Mathematical equations are solved using potential flow theory. The interface stability is assessed using a normal mode procedure, leading to a second-order polynomial equation. The study finds that swirling flow reduces perturbation amplification, especially when heat and mass transfer occur simultaneously. However, the viscoelastic nature of the Rivlin–Ericksen fluid destabilizes the interface. Overall, this research provides valuable insights into complex fluid behavior with applications across industries.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139608328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lap shear properties of CF/PEKK composites through nanoparticle-enhanced adhesive joints 通过纳米颗粒增强粘合剂接头实现 CF/PEKK 复合材料的搭接剪切性能
IF 1.7 4区 物理与天体物理
International Journal of Modern Physics B Pub Date : 2024-01-22 DOI: 10.1142/s0217979224400253
Xiaoqi Li, Sanjay Kumar, Yun-Hae Kim
{"title":"Lap shear properties of CF/PEKK composites through nanoparticle-enhanced adhesive joints","authors":"Xiaoqi Li, Sanjay Kumar, Yun-Hae Kim","doi":"10.1142/s0217979224400253","DOIUrl":"https://doi.org/10.1142/s0217979224400253","url":null,"abstract":"This study investigates the effects of incorporating halloysite nanotubes (HNTs) into polyetherimide (PEI) adhesive for carbon fiber/polyetherketoneketone (CF/PEKK) composite joints. The CF/PEKK substrate is fabricated through an oven consolidation process, while PEI adhesive films with varying HNTs loadings (0.5, 1 and 3[Formula: see text]wt.%) are prepared using solvent casting with [Formula: see text]-butyrolactone. Homogeneous dispersion of HNTs in PEI is achieved through magnetic stirring and IR heating. The resulting film is hot pressed to form a 100[Formula: see text][Formula: see text]m thick film, and adhesive lap shear joint specimens are manufactured through oven consolidation. Morphology and dispersion of HNTs in PEI are analyzed using SEM and EDS, revealing favorable dispersion at 0.5[Formula: see text]wt.% HNTs and aggregation at higher loadings. Differential scanning calorimetry (DSC) is employed to study the glass transition temperature (Tg) of PEI, showing decreased Tg for solvent-cast PEI and increased Tg with HNTs incorporation. This increase is attributed to the constrained mobility of polymer chains due to HNTs’ influence. Lap shear strength (LSS) is evaluated, demonstrating enhancement with HNTs incorporation: 0.5[Formula: see text]wt.% HNTs (+12.5%) > 1[Formula: see text]wt.% HNTs (+8.33%) > Pure PEI > 3[Formula: see text]wt.% HNTs (−12.5%). The study attributes this enhancement to HNTs’ reinforcement and chemical interactions with PEKK. Aggregation tendencies at 3[Formula: see text]wt.% HNTs lead to decreased LSS. SEM-EDS analysis of fractured specimens indicates a multifaceted bonding joint interface involving PEKK, PEI and HNTs. CF/PEKK composites show adhesive, cohesive and adherend failure modes, with adherend failure being dominant. Notably, fabric-like textures and plastic deformations in PEI with 0.5[Formula: see text]wt.% HNTs contribute to enhanced LSS, while higher HNTs content leads to cohesive failure due to aggregation. This study provides insights into optimizing composite adhesive systems by harnessing nanotube reinforcement and controlling dispersion, thereby influencing interfacial strength.","PeriodicalId":14108,"journal":{"name":"International Journal of Modern Physics B","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139609209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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