浆液侵蚀参数对Al6061合金等离子喷涂粉煤灰- al2o3和粉煤灰- sic复合涂层影响的对比研究

B. Naveena, R. Keshavamurthy, N. Sekhar
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引用次数: 7

摘要

在本研究中,试图研究等离子喷涂粉煤灰-Al2O3和粉煤灰-SiC新型复合涂层在Al6061合金上减轻浆料侵蚀磨损的潜在用途。采用田口L27统计方法,评价和分析了浆液浓度、浆液速度、冲击粒度和试样等工艺参数对3.5%NaCl溶液浆液中浆液侵蚀磨损的影响。结果表明,试件和浆液浓度对浆液冲蚀磨损的影响比对浆液速度和粒径的影响更大。在所研究的所有试验条件下,与粉煤灰SiC涂层和未涂层的Al6061相比,Al6061合金上的粉煤灰-Al2O3涂层表现出更高的抗浆料侵蚀磨损性能。采用回归分析的方法建立了预测复合涂层浆液侵蚀磨损的数学模型。这将使重要产品的预测性设计能够使用环保工艺,以最小的浪费和最大限度地利用可持续材料。
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Comparative study on effects of slurry erosive parameters on plasma sprayed flyash-Al2O3 and flyash-SiC composite coatings on Al6061 alloy
In this present investigation, an attempt has been made to study the potential use of plasma sprayed flyash-Al2O3 and flyash-SiC novel composite coatings on Al6061 alloys to mitigate slurry erosive wear. In this Taguchi's L27 statistical approach, the influence of various process parameters like, slurry concentration, slurry speed, impinging particle size and testing specimen on the slurry erosive wear in slurry with 3.5% NaCl solution were evaluated and analysed. The results obtained indicate that testing specimen and slurry concentration were greatly influencing on slurry erosive wear than slurry speed and particle size. Under all the test conditions studied, flyash-Al2O3 coatings on Al6061 alloy exhibited higher resistance to slurry erosive wear when compared with flyash-SiC coated and uncoated Al6061. Mathematical models were developed by means of regressive analysis to predict the slurry erosive wear of developed composite coatings. This will enable the predictive design of important products with the minimum of wastage and maximum utilisation of sustainable materials using environmentally friendly processes.
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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
3
期刊介绍: IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.
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