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To investigate the characteristics of material removal mechanism in the continuous contour control grinding.
Introduction The scratching test using indenter is commonly employed as a tribological method to determine the dynamic surface mechanical properties such as scratch hardness, abrasion and wear resistance, coating-substrate adhesion properties, scratch friction, etc. of a range of workpiece materials, that were investigated by many researchers.
Acknowledgments The authors gratefully acknowledge the financial support provided by the national science and technology major project of China (Grant No. 2009ZX04001-111).
Ibrahim: International Journal of Surface Science and Engineering, 2011. 5(1): p. 38-50
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Metal materials especially steel or cast iron are used extensively in many types of construction such as buildings, bridges, cranes, vehicles and so on, so detection or prediction of metal failure is very important, but deformation of metal material often deliveries heat energy which can be detected by infrared imager.
Introduction It has been experimentally proved that in the process of deformation and failure, metal materials will deliver infrared information.
In the compression test, the material of specimen is cast iron, Fig. 2 is the infrared thermal images.
(5) This project was supported by National Science Foundation of China (under Grant No. 50434020, No. 50374042 and No. 59974012) and the key laboratory of Research Institute of Soil Mechanics the Chinese Academy of Science (under Award No.
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Pecht, “Vibration model of rolling element bearings in a rotor-bearing system for fault diagnosis”, Journal of Sound and Vibration, 332, 2081– 2097 (2013). https://doi.org/10.1016/j.jsv.2012.11.029 [10] H.
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Tian, “Investigation on modeling and formation mechanism of dynamic rotational error for spindle-rolling bearing system”, Applied Sciences (Switzerland), 10(17) (2020) 1-23.
He, “Vibration analysis of a single row angular contact ball bearing with the coupling errors including the surface roundness and waviness”, Science China Technological Sciences, 63(6) (2020) 943-952. https://doi.org/10.1007/s11431-019-1493-7 [23] T.

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Aluminum alloys offer number of various interesting mechanical and thermal properties which classified them among most commonly used lightweight metallic materials.
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The extrusion output is of great importance in processing of materials.
Polymer Materials Science & Engineering.
Journal of Mechanical Engineering.
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Experimental Materials.
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Fig.3 Process design scheme of assembly accuracy repeatability In the figure, AAI is identification of the initial assembly accuracy, f is degrees of freedom of machine tool assembly, σs is plastic deformation of machine tool materials, AAREP is identification of the repetitive assembly accuracy.
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The material of the plate was HX180BD and its properties are shown in Table I.
TABLE Ⅰ Material properties Proper-ty /MPa /MPa n r δ Outer Plate 159 296 0.216 2.40 56 Inner Plate 225 343 0.184 1.93 43 B.
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