Abstract
In recent years, general studies on Selective Laser Melting (SLM)/Selective Laser Sintering (SLS)/direct metal deposition (DMD) technologies, as well as studies on detailed issues in this area, have been carried out. However, a research gap is observed in investigations into the features of single tracks in the above-mentioned technologies. On the basis of data published in 2016–2019, an approach was adopted for a preliminary quantitative analysis of the knowledge base and also trends observed in the development of new technologies. This study demonstrates the effectiveness of the data mining technique based on the Bayes algorithm for analyzing trends in processes of additive manufacturing and the practical application of the knowledge received using the Bayes algorithm. After the analyses referred to above were completed, single and double layers of a composite material based on the Ni-based alloy and Fe–Al bronze were analyzed under different processing conditions. The effects of laser spot speeds and pitches on microhardness, microstructure, and interlayers’ features were described. So, the innovative approach, namely, the combination of the analysis of the scientific database of the phenomenon under study and the subsequent experimental investigation of its features, is the scientific novelty of the present study.
Highlights
Additive manufacturing (AM) is one of the newest technologies used in the production of machine parts
The first aim of this study is to demonstrate the effectiveness of the data mining techniques, namely the Bayes algorithm, for analyzing trends in features of new technologies, single-track features in Selective Laser Melting (SLM)/Selective Laser Sintering (SLS)/direct metal deposition (DMD) processing
If Results the research reported in aApplication given article includes: If the research reported in a given article includes: Thereafter, according to the main principles of the Bayes algorithm, the rule-based knowledge
Summary
Additive manufacturing (AM) is one of the newest technologies used in the production of machine parts. Its main principle is the formation of finished parts basing on computer three-dimensional models. A precision three-dimensional computer model with the use of high-precision computerized laser systems practically eliminates even the finish machining, and allows us to make the parts much lighter and with more complex shapes than traditional technologies allow. All this relates primarily to the production of metal or ceramic parts, which are much more expensive and complex than parts made from polymers and polymer-based composites.
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