等离子喷涂技术在合金钢表面制备Cr3C2 - NiCr涂层的喷涂参数优化研究

Q2 Engineering

Journal of Machine Engineering Pub Date : 2022-12-06 DOI:10.36897/jme/157047

Thao Dang

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引用次数: 1

摘要

采用空气等离子体热喷涂(APS)方法在E355 (St 52-3)/1.0060合金钢基体上制备了NiCr含量为30%的c3c2 -NiCr陶瓷涂层。根据实验计划，研究了涂层的附着力、抗拉强度与电流强度、粉末进给量、隔离距离等喷涂参数的关系。实验设计采用中心组合设计法。用拉伸压缩试验机测试了涂层的附着力和抗拉强度。采用方差分析(ANOVA)建立回归函数，表达各特性与喷雾参数之间的关系。实验结果表明，这些喷涂参数对涂层的性能有显著影响。方差分析结果表明，喷涂参数对各涂层性能有不同的影响。此外，对性能的回归模型给出的预测结果与实验结果非常接近。为了使涂层的附着力和抗拉强度达到最大值，对优化问题进行了求解。本研究确定并提出了达到上述标准的c3c2 - NiCr涂层的喷涂参数值。

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Research on Optimizing Spray Parameters for Cr3C2 - NiCr Coating Created on Alloy Steel by Plasma Spraying Technique

In this work, Cr 3 C 2 -NiCr ceramic coating with NiCr content of 30% was created on E355 (St 52-3)/1.0060 alloy steel substrate by air plasma thermal spraying (APS) method. The adhesion, tensile strength of the coating were studied in relation to spray parameters including current intensity, powder feed rate, and stand-off distance according to experimental planning. Experiments were designed based on Central Composite Design method. The adhesion and tensile strength of the coatings were measured by a tensile-compression machine. Analysis of variance (ANOVA) were used to build regression functions expressing the relationship between each property and spray parameters. The experimental results showed that those spray parameters significantly influence the properties of the coating. ANOVA results indicated that the spray parameters have different influences for each coating properties. In addition, regression model of the properties gives prediction results very close to experimental results. The optimization problem was solved in order to achieve the maximum value of adhesion and tensile strength of the coating. Values of the spray parameters for Cr 3 C 2 – NiCr coating to achieve the above criteria have been determined and proposed in this study.

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来源期刊

Journal of Machine Engineering Engineering-Industrial and Manufacturing Engineering

CiteScore

2.70

自引率

0.00%

发文量

审稿时长

25 weeks

期刊介绍： ournal of Machine Engineering is a scientific journal devoted to current issues of design and manufacturing - aided by innovative computer techniques and state-of-the-art computer systems - of products which meet the demands of the current global market. It favours solutions harmonizing with the up-to-date manufacturing strategies, the quality requirements and the needs of design, planning, scheduling and production process management. The Journal'' s subject matter also covers the design and operation of high efficient, precision, process machines. The Journal is a continuator of Machine Engineering Publisher for five years. The Journal appears quarterly, with a circulation of 100 copies, with each issue devoted entirely to a different topic. The papers are carefully selected and reviewed by distinguished world famous scientists and practitioners. The authors of the publications are eminent specialists from all over the world and Poland. Journal of Machine Engineering provides the best assistance to factories and universities. It enables factories to solve their difficult problems and manufacture good products at a low cost and fast rate. It enables educators to update their teaching and scientists to deepen their knowledge and pursue their research in the right direction.