Statistical modeling and optimization of clad geometry in laser cladding of Amdry 961 on Inconel 713LC superalloy with response surface methodology

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Mahya Hajiahmadi, Ali Khorram, M. Ghoreishi
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Abstract

In this study, Inconel 713LC superalloy was laser-clad with Amdry 961 powder using a 1 kW fiber laser. Response surface methodology was used to investigate the effect of laser power, duty cycle, and scanning speed on the deposited bead's geometry (width, height, and clad angle) and the dilution ratio. Interestingly, higher laser power and duty cycle increased bead width, clad angle, and dilution ratio but decreased bead height, while the opposite effect was observed for scanning speed. The process optimization was performed by a simultaneous optimization technique. This technique identified the ideal parameters: a laser power of 840 W, a duty cycle of 79.5%, and a scanning speed of 4.38 mm/s. These settings effectively optimized clad properties, with mean absolute errors of 7.96% for clad width, 14.74% for clad height, 16.71% for clad angle, and 5.166% for dilution ratio. These values demonstrate the precision of optimized parameter settings.
利用响应面方法对因科镍合金 713LC 超合金上的 Amdry 961 激光熔覆几何形状进行统计建模和优化
在这项研究中,使用 1 kW 光纤激光器用 Amdry 961 粉末对 Inconel 713LC 超耐热合金进行了激光熔覆。采用响应面方法研究了激光功率、占空比和扫描速度对沉积珠的几何形状(宽度、高度和熔覆角)以及稀释率的影响。有趣的是,激光功率和占空比越高,沉积珠的宽度、包角和稀释率越高,但沉积珠的高度却越低,而扫描速度的影响则恰恰相反。工艺优化采用了同步优化技术。该技术确定了理想的参数:激光功率为 840 W,占空比为 79.5%,扫描速度为 4.38 mm/s。这些设置有效地优化了熔覆特性,熔覆宽度的平均绝对误差为 7.96%,熔覆高度的平均绝对误差为 14.74%,熔覆角度的平均绝对误差为 16.71%,稀释比的平均绝对误差为 5.166%。这些数值证明了优化参数设置的精确性。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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