Abstract
This study focused on the modelling and experimental investigation of Copper-Zinc alloy using Split-split plot design. The effects of process parameters such as percentage by volume of material, material type (copper and zinc), pressure and their interactions on the mechanical properties of the produced copper-zinc alloy using split-split plot design was investigated. The mechanical properties examined in this study include; tensile strength, modulus of elasticity, shear modulus and hardness. The values obtained from the evaluation of these mechanical properties were imputed into the analytical design of the split-split plot to obtain its numerical designs. Interactive model for the process parameters were also developed for this study. The sum of squares (SS) and the mean of square (MS) were calculated from the numerical designs of split-split plot to obtain the Fisher’s ratio (F_cal) values. The results of the calculated Fisher’s ratio at significant value of 0.05 for the process parameters and their interactions ranges from -57.70 to 8.50, and were presented on analysis of variance (ANOVA) table. The results obtained shows that there is strong interraction between pressure, percentage by volume of zinc and copper in the production zinc-copper alloy in alloy manufacturing industries.
References
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- [5]Avilles, A.I and Pinheiro, J.C. Optimal Design for Mixed Effects Models with two Random Nested Factors. Journal of Statistical Sinica. 2015, 13: 385-401. [6]Goldsmith, C.H and Gaylor, D.W. Three Stage Nested Designs for Estimating Variance Components. Journal of Technometrics. 1970, 12: 487-498.
- [7]Loeza, S and Donev, A.N. Construction of Experimental Design to estimate Variance Components. Journal of Computational Statistics and Data Analysis. 2014, 71: 1168–1177.
- [8]Ankenman, B.E; Liu, H; Karr, AF and Picka, J.D. A Class of Experimental Designs for Estimating a Response Surface and Variance Components. Journal of Technometrics. 2001, 44: 45-54. [9]Chunping, D; Changing. Y; and Cheng, Z. Theoretical Modeling of Bonding Characteristics and Performance of Wood Composites of Inter-element Contact. Journal of Wood and Fiber Science. 2007, 39: 48-55.
- [10]Olodu, D.D and Osarenmwinda, J.O. Effects of Process Parameters in the Production of High Density Polyethylene-Grass Composite. Journal of Applied Sciences and Environmental management. 2018, 22(9): 1479-1483. [11]Goos, P. and Vandebroek, M., (2003). D-optimal Split-Plot Designs with Given Numbers and Sizes of Whole Plots. Journal of Technometrics. 2003, 45: 235-245.
Abstract
Bu çalışma, Split-split arsa tasarımı kullanılarak Bakır-Çinko alaşımlarının modellenmesine ve deneysel olarak araştırılmasınaodaklanmıştır. Malzeme hacmine göre yüzde, malzeme tipi (bakır ve çinko), basınç ve bunların bölünmüş arsa tasarımı kullanılarak üretilen bakır-çinko alaşımlarının mekanik özellikleri üzerindeki etkileşimleri gibi proses parametrelerinin etkileri araştırılmıştır. Bu çalışmada incelenen mekanik özellikler şunlardır; çekme mukavemeti, elastikiyet modülü, kesme modülü ve sertlik. Bu mekanik özelliklerin değerlendirilmesinden elde edilen değerler, sayısal tasarımlarını elde etmek için bölünmüş arsanın analitik tasarımına itilmiştir. Bu çalışma için proses parametreleri için interaktif model de geliştirilmiştir. Karelerin (SS) toplamı ve kare ortalaması (MS), Fisher oranını ( değerleri) elde etmek için bölünmüş çizimin sayısal tasarımlarından hesaplanmıştır. F_cal) Süreç parametreleri ve etkileşimleri için 0,05 gibi önemli bir değerde hesaplanan Fisher oranının sonuçları -57,70 ile 8,50 arasında değişmektedir ve varyans (ANOVA) tablosunun analizi üzerine sunulmuştur. Elde edilen sonuçlar, alaşım üretim endüstrilerinde üretim çinko-bakır alaşımında basınç, çinko hacmi ve bakır hacmine göre yüzde arasında güçlü bir etkileşim olduğunu göstermektedir.
References
- [1]Gaspar, I. S., Pasko, J. Analysis of Fracture Process and Common Defects in Casting Alloys EN43100 Manufactured by Die Casting Technology. Advanced Materials Research. 2014, 1077: 39-43. [2]Bahloul, B., Ahmed, M. M; Samuel, M; Fadhil, A. Abdulsalam, A. Copper-Zinc-Lead Alloys, Common Defects Through Production Stages and Remedy Methods. Turkish Online Journal of Science & Technology. 2015, 4(1): 23-32.
- [3]Zhang Y. Dezincification and Brass Lead Leaching in Premise Plumbing Systems: Effects of Alloy, Physical Conditions and Water Chemistry. Virginia Polytechnic Institute and State University. 2009, 5(2): 17-22. [4]Olodu D.D and Osarenmwinda J.O. Empirical Modelling of Developed Polyvinyl Chloride-Grass Composite. Journal of Energy Technology and Environment. 2019, 1(1): 29-37.
- [5]Avilles, A.I and Pinheiro, J.C. Optimal Design for Mixed Effects Models with two Random Nested Factors. Journal of Statistical Sinica. 2015, 13: 385-401. [6]Goldsmith, C.H and Gaylor, D.W. Three Stage Nested Designs for Estimating Variance Components. Journal of Technometrics. 1970, 12: 487-498.
- [7]Loeza, S and Donev, A.N. Construction of Experimental Design to estimate Variance Components. Journal of Computational Statistics and Data Analysis. 2014, 71: 1168–1177.
- [8]Ankenman, B.E; Liu, H; Karr, AF and Picka, J.D. A Class of Experimental Designs for Estimating a Response Surface and Variance Components. Journal of Technometrics. 2001, 44: 45-54. [9]Chunping, D; Changing. Y; and Cheng, Z. Theoretical Modeling of Bonding Characteristics and Performance of Wood Composites of Inter-element Contact. Journal of Wood and Fiber Science. 2007, 39: 48-55.
- [10]Olodu, D.D and Osarenmwinda, J.O. Effects of Process Parameters in the Production of High Density Polyethylene-Grass Composite. Journal of Applied Sciences and Environmental management. 2018, 22(9): 1479-1483. [11]Goos, P. and Vandebroek, M., (2003). D-optimal Split-Plot Designs with Given Numbers and Sizes of Whole Plots. Journal of Technometrics. 2003, 45: 235-245.
Details
| Primary Language | English |
|---|---|
| Subjects | Engineering |
| Journal Section | Research Articles |
| Authors | |
| Publication Date | September 16, 2021 |
| Acceptance Date | May 22, 2021 |
| Published in Issue | Year 2021 Volume: 3 Issue: 3 |
This work is licensed under a Creative Commons Attribution 4.0 International License