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Research Article | | Peer-Reviewed

Influence of Temperature on Creep Resistance, Structural and Electrical Characteristics of S9Z1 Eutectic Alloys

Gobran Naji Ali,  Mohammed Saleh Nasser Al-Salmi*
Published in International Journal of Materials Science and Applications (Volume 13, Issue 4)
Received: 4 July 2024     Accepted: 30 July 2024     Published: 15 August 2024
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Abstract

In the present study, the structural and creep resistance properties of S9Z1 alloys with Cu-addition in concentrations (0.1 and 0.3% Wt.) have been investigated using x-ray diffractions (XRD) and Creep testing machine respectively. The three samples were prepared from high purity 99.99% by melting technique in the Pyrex tubs with CaCl2 to invaded the oxidation. The obtained samples were rolled drawn (cold rolling) into two groups. The first group was as wires for the creep resistance testing. The second group was as small sheets for structural investigations. Patterns of XRD showed that the S9Z1 alloy was primarily composed of two phases; a body centered tetragonal β-Sn matrix phase, and a secondary phase of hexagonal Zn. while with addition Cu (0.1 and 0.3% Wt.) to S9Z1 Alloys the results showed new peaks in the ternary compositions, such as Cu6Sn5, Cu5Zn8, phases respectively. The average of particle size (D) of β-Sn matrix was decreased with increasing Cu -adding, whereas the dislocation density (δ) increased with increasing addition. Creep properties of S9Z1, S9Z2 and 3 Alloys were examined at different temperatures (25, 40 and 80°C) under two constant loads (σ= 18.7 and 24.94 MPa). The creep behaviors of ternary alloys were higher than the S9Z1 alloys with all different temperatures under two constant loads. Also, the S9Z3 alloy with all different temperatures and two loads exhibited greatest creep resistance, due to the refinement structure and formation of new IMCs. Values of stress exponent (n) were found to be in the range of 1 to 10.55, for all S9Z2 and 3 alloys respectively. Values of activation energy (Q) of alloys were found to be in the range of 36.48 to 37.49 kJ/mol, for σ = 18.7 Mpa and 27 to 34.8 kJ/mol for σ = 24.94 Mpa for the S9Z1 alloys with Cu addition respectively. At room temperature (25°C), the electrical conductivity of the samples was calculated, and its values increased with Cu additions.

Published in International Journal of Materials Science and Applications (Volume 13, Issue 4)
DOI 10.11648/j.ijmsa.20241304.11
Page(s) 61-70
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

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Copyright © The Author(s), 2024. Published by Science Publishing Group
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Keywords

S9Z-xCu, Lead-Free Alloy, Phases, Cu-Additions, Creep Resistance, Structural Properties, Electrical Conductivity

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    Ali, G. N., Al-Salmi, M. S. N. (2024). Influence of Temperature on Creep Resistance, Structural and Electrical Characteristics of S9Z1 Eutectic Alloys. International Journal of Materials Science and Applications, 13(4), 61-70. https://doi.org/10.11648/j.ijmsa.20241304.11

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    ACS Style

    Ali, G. N.; Al-Salmi, M. S. N. Influence of Temperature on Creep Resistance, Structural and Electrical Characteristics of S9Z1 Eutectic Alloys. Int. J. Mater. Sci. Appl. 2024, 13(4), 61-70. doi: 10.11648/j.ijmsa.20241304.11

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    AMA Style

    Ali GN, Al-Salmi MSN. Influence of Temperature on Creep Resistance, Structural and Electrical Characteristics of S9Z1 Eutectic Alloys. Int J Mater Sci Appl. 2024;13(4):61-70. doi: 10.11648/j.ijmsa.20241304.11

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  • @article{10.11648/j.ijmsa.20241304.11,
  author = {Gobran Naji Ali and Mohammed Saleh Nasser Al-Salmi},
  title = {Influence of Temperature on Creep Resistance, Structural and Electrical Characteristics of S9Z1 Eutectic Alloys
},
  journal = {International Journal of Materials Science and Applications},
  volume = {13},
  number = {4},
  pages = {61-70},
  doi = {10.11648/j.ijmsa.20241304.11},
  url = {https://doi.org/10.11648/j.ijmsa.20241304.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20241304.11},
  abstract = {In the present study, the structural and creep resistance properties of S9Z1 alloys with Cu-addition in concentrations (0.1 and 0.3% Wt.) have been investigated using x-ray diffractions (XRD) and Creep testing machine respectively. The three samples were prepared from high purity 99.99% by melting technique in the Pyrex tubs with CaCl2 to invaded the oxidation. The obtained samples were rolled drawn (cold rolling) into two groups. The first group was as wires for the creep resistance testing. The second group was as small sheets for structural investigations. Patterns of XRD showed that the S9Z1 alloy was primarily composed of two phases; a body centered tetragonal β-Sn matrix phase, and a secondary phase of hexagonal Zn. while with addition Cu (0.1 and 0.3% Wt.) to S9Z1 Alloys the results showed new peaks in the ternary compositions, such as Cu6Sn5, Cu5Zn8, phases respectively. The average of particle size (D) of β-Sn matrix was decreased with increasing Cu -adding, whereas the dislocation density (δ) increased with increasing addition. Creep properties of S9Z1, S9Z2 and 3 Alloys were examined at different temperatures (25, 40 and 80°C) under two constant loads (σ= 18.7 and 24.94 MPa). The creep behaviors of ternary alloys were higher than the S9Z1 alloys with all different temperatures under two constant loads. Also, the S9Z3 alloy with all different temperatures and two loads exhibited greatest creep resistance, due to the refinement structure and formation of new IMCs. Values of stress exponent (n) were found to be in the range of 1 to 10.55, for all S9Z2 and 3 alloys respectively. Values of activation energy (Q) of alloys were found to be in the range of 36.48 to 37.49 kJ/mol, for σ = 18.7 Mpa and 27 to 34.8 kJ/mol for σ = 24.94 Mpa for the S9Z1 alloys with Cu addition respectively. At room temperature (25°C), the electrical conductivity of the samples was calculated, and its values increased with Cu additions.
},
 year = {2024}
}

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  • TY  - JOUR
T1  - Influence of Temperature on Creep Resistance, Structural and Electrical Characteristics of S9Z1 Eutectic Alloys

AU  - Gobran Naji Ali
AU  - Mohammed Saleh Nasser Al-Salmi
Y1  - 2024/08/15
PY  - 2024
N1  - https://doi.org/10.11648/j.ijmsa.20241304.11
DO  - 10.11648/j.ijmsa.20241304.11
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 61
EP  - 70
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20241304.11
AB  - In the present study, the structural and creep resistance properties of S9Z1 alloys with Cu-addition in concentrations (0.1 and 0.3% Wt.) have been investigated using x-ray diffractions (XRD) and Creep testing machine respectively. The three samples were prepared from high purity 99.99% by melting technique in the Pyrex tubs with CaCl2 to invaded the oxidation. The obtained samples were rolled drawn (cold rolling) into two groups. The first group was as wires for the creep resistance testing. The second group was as small sheets for structural investigations. Patterns of XRD showed that the S9Z1 alloy was primarily composed of two phases; a body centered tetragonal β-Sn matrix phase, and a secondary phase of hexagonal Zn. while with addition Cu (0.1 and 0.3% Wt.) to S9Z1 Alloys the results showed new peaks in the ternary compositions, such as Cu6Sn5, Cu5Zn8, phases respectively. The average of particle size (D) of β-Sn matrix was decreased with increasing Cu -adding, whereas the dislocation density (δ) increased with increasing addition. Creep properties of S9Z1, S9Z2 and 3 Alloys were examined at different temperatures (25, 40 and 80°C) under two constant loads (σ= 18.7 and 24.94 MPa). The creep behaviors of ternary alloys were higher than the S9Z1 alloys with all different temperatures under two constant loads. Also, the S9Z3 alloy with all different temperatures and two loads exhibited greatest creep resistance, due to the refinement structure and formation of new IMCs. Values of stress exponent (n) were found to be in the range of 1 to 10.55, for all S9Z2 and 3 alloys respectively. Values of activation energy (Q) of alloys were found to be in the range of 36.48 to 37.49 kJ/mol, for σ = 18.7 Mpa and 27 to 34.8 kJ/mol for σ = 24.94 Mpa for the S9Z1 alloys with Cu addition respectively. At room temperature (25°C), the electrical conductivity of the samples was calculated, and its values increased with Cu additions.

VL  - 13
IS  - 4
ER  -

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