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Evaluation of Fly Ash/ZrO2 Reinforced AZ91E Hybrid Composites Based on Wear and Friction Characteristics

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Year : | Volume : 11 | [if 424 equals=\”Regular Issue\”]Issue[\/if 424][if 424 equals=\”Special Issue\”]Special Issue[\/if 424] [if 424 equals=\”Conference\”][\/if 424] : | Page : –<\/div>\n

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Anisotropic Debye-Waller Factors and Debye Temperatures in Hexagonal Close-Packed Elements: A Comprehensive Compilation and Analysis

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    Dr. Purushotham Endla

  1. Endla AkhilBalaji

  1. Associate Professor, Department of Physics,School of Sciences, SR University, Telangana, India
  2. Student, Computer Science and Engineering, Kakatiya Institute of Technology and Science, Telangana, India

Abstract

In this study, we have investigated the anisotropic behavior of Debye-Waller factors (DWFs) and Debye temperatures (DTs) in three distinct materials: hexagonal rhenium (Re), osmium (Os), and thallium (Tl). We conducted a comparative analysis, aligning our experimental data on directional Debye temperatures with theoretical calculations. This exercise provided valuable insights into the concurrence between practical and theoretical approaches, thereby offering a critical evaluation of the accuracy and reliability of theoretical predictions. For hexagonal close-packed (hcp) structures, deviations from the ideal c/a ratio of 1.633 reveal the nuanced interplay of forces along the hexagonal axis. In hcp metals, including our subjects, two principal DWFs, Ba and Bc, correspond to the ‘a’ and ‘c’ crystallographic directions. The relationship between these factors and atomic amplitudes offers profound insights into interatomic bonding, with the Bc/Ba ratio typically exceeding 1 for c/a ratios straying from the ideal 1.633 value. This study advances our understanding of anisotropic properties in hcp metals, sheds light on the structural nuances of the materials examined, and contributes significantly to crystallography, materials science, and solid-state physics.

Keywords: X-ray diffraction, Debye temperature, hcp element vacancy formation energy

How to cite this article: Dr. Purushotham Endla, Endla AkhilBalaji Anisotropic Debye-Waller Factors and Debye Temperatures in Hexagonal Close-Packed Elements: A Comprehensive Compilation and Analysis jopc ; :-
How to cite this URL: Dr. Purushotham Endla, Endla AkhilBalaji Anisotropic Debye-Waller Factors and Debye Temperatures in Hexagonal Close-Packed Elements: A Comprehensive Compilation and Analysis jopc {cited };:-. Available from: https://journals.stmjournals.com/jopc/article=/view=131288

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Open Access Original Research
Volume
Issue
Received October 30, 2023
Accepted December 20, 2023
Published

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Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions

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Year : February 1, 2024 | Volume : 11 | [if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”]Special Issue[/if 424] : 08 | Page : 279-291

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    T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy, B. Nageswara Rao

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  1. Associate Professor, Associate Professor, Research Scholar, Professor, 1Department of Mechanical Engineering, University College of Engineering, BIT Campus, Tiruchirappalli, Department of Mechanical Engineering, College of Engineering Trivandrum, Thiruvananthapuram, Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Tamil Nadu, Kerala, Andhra Pradesh, Andhra Pradesh, India, India, India, India
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Abstract

nThis article presents experimental details on 2124Al-10vol% SiCp composite tensile specimens, which were made by squeeze casting process. Cast metal composites are generally very brittle and have poor mechanical properties. To strengthen the matrix and improve ductility, the specimens were heat-treated by solutionizing and aging. Experiments were carried out at 3 different solutionizing temperatures, solutionizing time, aging temperature and aging time to examine the influence of heat treatment process parameters on the notched and unnotched tensile strength of the composite. Compact tension (CT) specimens with different crack lengths, crack mouth widths and thicknesses were tested to evaluate the fracture toughness of the composite. Experiments were planned according to the Taguchi’s L9 OA (orthogonal array). Factographs of tensile and CT specimens were made after the test using a scanning electron microscope (SEM). Energy dispersive X-ray analysis was carried out at different locations of the fractured specimens. The EDAX spectrum shows the chemical composition of inclusions and matrix components.

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Keywords: EDAM spectrum; Fracture toughness; Metal matrix composites; SEM; Taguchi method; Tensile strength.

n[if 424 equals=”Regular Issue”][This article belongs to Journal of Polymer and Composites(jopc)]

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[/if 424][if 424 equals=”Special Issue”][This article belongs to Special Issue under section in Journal of Polymer and Composites(jopc)][/if 424][if 424 equals=”Conference”]This article belongs to Special Issue Conference International Conference on Innovative Concepts in Mechanical Engineering (ICICME – 2023) [/if 424]

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How to cite this article: T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy, B. Nageswara Rao Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions jopc February 1, 2024; 11:279-291

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How to cite this URL: T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy, B. Nageswara Rao Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions jopc February 1, 2024 {cited February 1, 2024};11:279-291. Available from: https://journals.stmjournals.com/jopc/article=February 1, 2024/view=131071

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Wang, L. Ren, F. Yang, L. Qi, C. Yu, H. Luo, “Research Progress on Fabrication Technology and Properties of SiC Particle-Reinforced Aluminum Matrix Composites”, Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering, Vol. 51, Issue 4, pp.1270–1282 (2022)
Thirugnanam, G. Ananth, T. Muthu Krishnan, T.T. Olkeba, “Microstructure and Mechanical Characteristics of Stir-Casted AA6351 Alloy and Reinforced with Nanosilicon Carbide Particles”, Journal of Nanomaterials, Vol. 2023, Article ID 7858827. https://doi.org/10.1155/2023/7858827
P.Shantharaman, V. Anandakrishnan, S. Sathish, M. Ravichandran, R. Naveenkumar, S. Jayasathyakawin, S. Rajesh, “Investigations on the microstructure and properties of yttria and silicon carbide reinforced aluminium composites”, Heliyon, 9(4) April 2023, e15462. https://doi.org/10.1016/j.heliyon.2023.e15462
Xing, N.Y. Li, C.J. Li, P. Gao, H.D. Guan, C.M.Y. Yang, C.J. Pu a, J.H. Yi, “Effects of size and oxidation treatment for SiC particles on the microstructures and mechanical properties of SiCp/Al composites prepared by powder metallurgy”, Materials Science and Engineering: A, Vol. 851 (2022) 143664. https://doi.org/10.1016/j.msea.2022.143664
Hamza, S. Mondal, “Effect of Reinforcement with Ceramic Microparticles on Structure and Properties of Composites with an Aluminum Matrix”, Met Sci Heat Treat64, 163–166 (2022). https://doi.org/10.1007/s11041-022-00778-x
Khodaei, O. Yaghobizadeh, H.R. Baharvandi, A.A. Shahraki, H. mohammadi, “The effect of nano-TiO2 additions on the densification and mechanical properties of SiC-matrix composite”, Ceramics International, Vol.46, Issue 5, pp. 6477-6483 (2020).
Y. Wang, T. Monetta, “Systematic study of preparation technology, microstructure characteristics and mechanical behaviors for SiC particle-reinforced metal matrix composites”, Journal of Materials Research and Technology, 25, pp.7470-7497 (2023). https://doi.org/10.1016/j.jmrt.2023.07.145
Łągiewka, C. Kolmasiak, “ Composite centrifugal castings after remelting”, Metalurgija, Vol.60, No.3-4 (2021). https://hrcak.srce.hr/256131
K.B. Chellam, M. Pandian, D. Jaganathan, M.S.R. Mydeen, K. Kalimuthu, “Analysing the mechanical and metallurgical behavior of aluminium 7075 composite with reinforcement of silicon carbide and zirconium oxide”, AIP Conf. Proc.2527, 020019 (2022). https://doi.org/10.1063/5.0108139
S.K. Reddy, M. Kannan, R. Karthikeyan, et al.“Evaluation of mechanical and thermal properties of Al 7475–CSA–graphite hybrid metal matrix composites”, Int J Interact Des Manuf (2023). https://doi.org/10.1007/s12008-023-01401-w
K. Bhushan, D.  Sharma, “Optimization of Friction Stir Welding Parameters to Maximize Hardness of AA6082/Si3N4 and AA6082/SiC Composites Joints”, Silicon 14, 643–661 (2022). https://doi.org/10.1007/s12633-020-00894-4
Wang, T. Monetta, “Systematic study of preparation technology, microstructure characteristics and mechanical behaviors for SiC particle-reinforced metal matrix composites”, Journal of Materials Research and Technology, Vol. 25, pp. 7470-7497 (2023). https://doi.org/10.1016/j.jmrt.2023.07.145
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Reddy, K.P.K., Rao, B.N., Nazeemudheen, M.N. et al. Selection of Optimal Process Parameters to Obtain Defect-Free Builds in IN718 Made by Laser Powder Bed Fusion. J. of Materi Eng and Perform (2023). https://doi.org/10.1007/s11665-023-08677-9

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Conference Open Access Original Research

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Journal of Polymer and Composites

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[if 344 not_equal=””]ISSN: 2321–2810[/if 344]

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Volume 11
[if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”]Special Issue[/if 424] 08
Received November 28, 2023
Accepted December 23, 2023
Published February 1, 2024

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DESIGN AND ANALYSIS OF A METAL LINED COMPOSITE OVERWRAPPED PRESSURE VESSEL

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Year : February 1, 2024 | Volume : 11 | [if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”]Special Issue[/if 424] : 08 | Page : 215-232

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    Kammili Harsha Naga Sai, Boggarapu Nageswara Rao, T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy

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  1. M.Tech Student, Professor, Associate Professor, Associate Professor, Research Scholar, 1Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Department of Mechanical Engineering, University College of Engineering, BIT Campus, Tiruchirappalli, Department of Mechanical Engineering, College of Engineering Trivandrum, Thiruvananthapuram, 1Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Andhra Pradesh, Andhra Pradesh, Tamil Nadu, Kerala, Andhra Pradesh, India, India, India, India, India
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Abstract

nThis study presents a comprehensive investigation into the mechanical behavior of a metal lined composite overwrapped pressure vessel, designed for high-pressure storage applications. The design approach is dependent upon fiber material constants and dome shape factor. The study begins with obtaining dome coordinates and maintaining winding angles according to a geodesic path equation. Thickness estimation for the portion of cylindrical shell and domes are determined through netting analysis and cubic spline function respectively. The initial part of the study assesses hoop, axial, and effective stresses.Finite element modeling and analysis performed on several case studies to confirm the existing test data using ANSYS.The critically stressed cylindrical portion of the vessel governs the design. The netting analysis suggests a thickness of 4.59 mm for this section but considering 5mm thickness (4 helical layers and 6 hoop layers). However, CLT analysis reveals that plies 1 to 4, with a 13.38° helical winding angle, fail due to exceeding the transverse filament strength,prompting the addition of supplementary plies to balance axial and hoop stresses. The resulting laminate design successfully meets all failure criteria, enhancing burst pressure and ensuring vessel reliability under a working pressure of 35MPa with 1.5 safety factor.

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Keywords: Cylindrical shell; Domes; Factor of Safety; Failure criterion; Fiber strength; Netting theory; Winding angle.

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[/if 424][if 424 equals=”Special Issue”][This article belongs to Special Issue under section in Journal of Polymer and Composites(jopc)][/if 424][if 424 equals=”Conference”]This article belongs to Special Issue Conference International Conference on Innovative Concepts in Mechanical Engineering (ICICME – 2023) [/if 424]

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How to cite this article: Kammili Harsha Naga Sai, Boggarapu Nageswara Rao, T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy DESIGN AND ANALYSIS OF A METAL LINED COMPOSITE OVERWRAPPED PRESSURE VESSEL jopc February 1, 2024; 11:215-232

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How to cite this URL: Kammili Harsha Naga Sai, Boggarapu Nageswara Rao, T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy DESIGN AND ANALYSIS OF A METAL LINED COMPOSITE OVERWRAPPED PRESSURE VESSEL jopc February 1, 2024 {cited February 1, 2024};11:215-232. Available from: https://journals.stmjournals.com/jopc/article=February 1, 2024/view=131068

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M. Madhavi and K.V.J. Rao, “Computer aided analysis of filament wound composite pressure vessel with integrated end domes considering the change of winding angles through the thickness direction”, Journal of the Institution of Engineers (India): Mechanical Engineering Division, Vol.91, pp.10-16 (2010).
S. Alam, G. R. Yandek, R. C. Lee, and J. M. Mabry, “Design and development of a filament wound composite overwrapped pressure vessel”, Composites Part C: Open Access, 2 (2020) 100045 14 pages. https://doi.org/10.1016/j.jcomc.2020.100045
H. Kang, P. He, C. Zhang, Y. Dai, Lv. Hong, M. Zhang, D. Yang, “Stress–strain and burst failure analysis of fiber wound composite material high-pressure vessel”, Polymers and Polymer Composites, Vol. 29, No. 8, pp.1291–1303 (2021).doi:10.1177/0967391120965387
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A.C.Knoell, “Structural design and stress analysis program for advanced composite filament-wound axisymmetric pressure vessels /COMTANK/”, https://ntrs.nasa.gov/citations/19710016892
R. Wang, W. Jiao, W. Liu, and F. Yang, “A new method for predicting dome thickness of composite pressure vessels”, Journal of Reinforced Plastics and Composites, Vol. 29, No. 22, pp. 3345–3352 (2010). doi: 10.1177/0731684410376330.
V.V. Vasiliev, A.A. Krikanov, and A.F. Razin, “New generation of filament-wound composite pressure vessels for commercial applications”, Compos Struct, Vol. 62, No. 3–4, pp.449–459 (2003).doi: 10.1016/j.compstruct.2003.09.019.
A.E. Pavan and K.S. Ahmed, “Effect of constituent shell thickness on burst pressure of composite overwrapped pressure vessel”, International Journal of Scientific & Engineering Research (IJSER), Vol.9, Issue 5, pp.112-118 (2018).
Q. Zhang, H. Xu, X. Jia, L. Zu, S. Cheng, and H. Wang, “Design of a 70 MPa type IV hydrogen storage vessel using accurate modeling techniques for dome thickness prediction”, Compos Struct, vol. 236 (2020) 111915, doi: 10.1016/j.compstruct.2020.111915.
M. Radhika, K. Chandra Shekar, and G. V Rao, “Design, Fabrication and Testing of Composite Overwrapped Pressure Vessel for CNG Storage”,International Journal of Engineering Research & Technology (IJERT), Vol. 3, Issue 12, pp. 136-138 (2014).
B. Shivamurthy, Siddaramaiah, and M. S. Prabhu swamy, “Design, fabrication, and testing of epoxy/ glass-reinforced pressure vessel for high-pressure gas storage”, Journal of Reinforced Plastics and Composites, Vol. 29, No. 15, pp. 2379–2386 (2010).doi: 10.1177/0731684409351169.
R. Ashok, R. Ranjith Kumar, and T. Rao, “Design and Analysis of CFRPcomposite multilayer high-pressurevessels andburst pressure analysis forvarious fiber orientation angles”, International Journal of Advanced Trends in Computer Science and Engineering, Vol. 2, No.1, pp. 602–607 (2013).
S. Kangal, O. Kartav, M. Tanoğlu, E. Aktaş, and H.S. Artem, “Investigation of interlayer hybridization effect on burst pressure performance of composite overwrapped pressure vessels with load-sharing metallic liner”, J Compos Mater, Vol. 54, No. 7, pp. 961–980 (2020).doi: 10.1177/0021998319870588.
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Journal of Polymer and Composites

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[if 344 not_equal=””]ISSN: 2321–2810[/if 344]

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Volume 11
[if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”]Special Issue[/if 424] 08
Received November 28, 2023
Accepted December 30, 2023
Published February 1, 2024

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Investigation of Mechanical Properties in Ductile Iron with Alloyed and Unalloyed at Time and Temperature on Austempering

Year : 2023 | Volume : 11 | Issue : 09 | Page : 1-9
By

    T. Lakshmana Rao

Abstract

Due to the combination of its numerous excellent mechanical qualities, the flexible iron has been used more and more since its invention in 1948. To develop significantly improved characteristics, the unnecessary investigation is being done. The most recent development in the field of flexible iron, or SG iron, is Austempererd malleable iron. At four different temperatures, two different types of spheroidal graphite (SG) cast iron samples with varying copper weight levels were austempered. The temperatures used for austempering were 200°C, 300°C, 350°C, and 400°C. As a component of the austempering time and temperature, the effect of the austempering process (i.e. time and temperature) on the mechanical characteristics of spheroidal graphite iron was investigated. The progress of spheroidal graphite iron’s properties was significantly influenced by the pace of cooling and the extinguishing process. The organisation of different stages during isothermal change under varied austempering settings has also been the focus of XRD analysis. By using SEM, graphite morphology has been focused on. For this investigation, samples were obtained from the castings’ focal point for XRD analysis. It was discovered that virtually always, it is possible to discriminate between the ferrite (110) and austenite (111) lines. The ferrite (110) line is growing with expanding austempering time and declining with increasing austempering temperature, whereas the highest power of the austenite (111) line is expanding with expanding temperature. Thus, very precise control of the interaction components (austempering duration and temperature) is required for austempering. The results showed that, when compared to other grades (N1) through the various austempering processes used in this evaluation, ADI containing the alloying component copper (grade N2) achieved crucial mechanical qualities.

Keywords: Austempering (temperature and time), Spheroidal Graphite Iron, XRD, SEM analysis

This article belongs to Special Issue Conference ICEMTA 2023

How to cite this article: T. Lakshmana Rao Investigation of Mechanical Properties in Ductile Iron with Alloyed and Unalloyed at Time and Temperature on Austempering jopc 2023; 11:1-9
How to cite this URL: T. Lakshmana Rao Investigation of Mechanical Properties in Ductile Iron with Alloyed and Unalloyed at Time and Temperature on Austempering jopc 2023 {cited 2023 Sep 28};11:1-9. Available from: https://journals.stmjournals.com/jopc/article=2023/view=126648

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Conference Open Access Original Research
Volume 11
Issue 09
Received September 7, 2023
Accepted September 17, 2023
Published September 28, 2023

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JoPC

Performance Analysis of a Three-DOF Piezoelectric Vibration Energy Harvester

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Volume 11
[if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”]Special Issue[/if 424] 08
Received August 18, 2023
Accepted September 12, 2023
Published September 22, 2023

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