The prototype of an expert system for the selection of high-speed steels for cutting tools

Dobrzański, L. A.; Madejski, J.; Malina, W.; Sitek, W.

doi:10.1016/0924-0136(96)85119-3

Cited by 14 publications

(11 citation statements)

References 3 publications

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“…The ES is a useful technique explained in detail in Ref. [5] and is used to select appropriate materials for cutting tools by [6], and designing applications of the cutting tool [7]. After calculations, the designed system is transferred into the graphical environment by using Visual LISP programming language.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive design of rotating shafts and a software for designing and selecting of rolling‐contact bearings

Taşkesen

Mendi

Külekçi

et al. 2007

Comp Applic In Engineering

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In this study a computer program was developed using Visual Basic and Visual LISP programming languages to comprehensively analyze the strength, deformation, vibration, manufacturing, and drawing of a rotating circular stepped shaft. These shafts have a variety of power transmitting mechanical elements (components), such as pairs of gears, and pulleys that are modeled in 3D. In addition, force and moment analyses of these elements running on the shafts were examined. Notch sensitivity and stress concentration factors given graphically were formulated using the finite difference method. Vibration analysis was also included to the software. Furthermore, to select the best rolling-contact bearings, an expert system requiring the knowledge-based technique was employed. The user is given the choice of shaft material and other parameters. After saving the data regarding calculated and designed shaft, these data are transferred to the graphical environment for detail drawing and CNC code generation of the shaft. A program, which is called shaft and gear design program, has been developed for this process. ß

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Section: Introductionmentioning

confidence: 99%

Comprehensive design of rotating shafts and a software for designing and selecting of rolling‐contact bearings

Taşkesen

Mendi

Külekçi

et al. 2007

Comp Applic In Engineering

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“…It should be emphasised here that the magnetic particle testing is one of the elements of non-destructive inspection of welded joints and they do not give information on the state and degree of material degradation [11][12][13][14]. And the observation of microstructure by light microscope can only be used to assess the correct preparation of metallographic microsection.…”

Section: Introductionmentioning

confidence: 99%

The Service Life of the Repair Welded Joint of Cr-Mo / Cr-Mo-V

Sroka¹,

Zieliński²,

Mikuła³

2016

Archives of Metallurgy and Materials

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This paper presents the evaluation of the service life of dissimilar repair welded joint from Cr-Mo/Cr-Mo-V steel after 200,000 h service under creep condition. The investigations of microstructure using scanning electron microscopy, investigations of mechanical properties at room and elevated temperature as well as creep tests of the basic material from Cr-Mo and Cr-Mo-V steel and welded joint from these steels were carried out. The investigations allowed the time of further safe operation of the repair welded joint in relation to the residual life of the materials to be determined. The evaluation of residual life and disposable residual life, and thus the estimation or determination of possible time of further safe operation, is crucial when the elements are operated much beyond the design work time.

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“…However, commonly reported problems refer to cracking of hard nitrided surface layers, and also to excessive roughness of such layers. Despite many years of research, the problem is still present, as evidenced by the number of publications that still appear in the world literature [1][2][3][21][22][23][24][25][26][27][28][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55].…”

Section: Introductionmentioning

confidence: 99%

“…Then the high potential of this method to modify the surface properties of titanium and titanium alloys was recognized [3,[39][40][41][42]. The first trials of laser gas nitriding (LGN) of pure titanium were carried out by the available at that time gas CO 2 laser, which provided a high enough level of output laser power.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Titanium Metal Matrix Composite Surface Layers Produced During Laser Gas Nitriding of Ti6Al4V Alloy by Different Types of Lasers

Lisiecki¹

2016

Archives of Metallurgy and Materials

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The article presents the results of a comparative study of the nitriding process of titanium alloy substrate using two lasers with different characteristics of laser beams. One of the applied lasers was a high power diode laser emitting at a dominant wavelength of 808 nm, with a rectangular laser beam spot, and multimode energy distribution across the spot. The second laser was a solid state Yb:YAG disk laser emitting at a wavelength of 1.03 µm, with a circular beam spot, characterized by near Gaussian energy distribution across the spot. In a case of both lasers single stringer beads with a similar width and at similar energy input were produced. As a result of melting of the substrate with a laser beam in a pure gaseous nitrogen atmosphere composite surface layers with in situ precipitated titanium nitrides embedded in the metallic matrix of titanium alloy were produced, in both cases. However, the surface topography and structure is different for the surface layers produce by different lasers at the same processing parameters and width of laser beams.

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The prototype of an expert system for the selection of high-speed steels for cutting tools

Cited by 14 publications

References 3 publications

Comprehensive design of rotating shafts and a software for designing and selecting of rolling‐contact bearings

Comprehensive design of rotating shafts and a software for designing and selecting of rolling‐contact bearings

The Service Life of the Repair Welded Joint of Cr-Mo / Cr-Mo-V

Comparison of Titanium Metal Matrix Composite Surface Layers Produced During Laser Gas Nitriding of Ti6Al4V Alloy by Different Types of Lasers

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