2013
DOI: 10.3103/s1068366613030057
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Expanding field of application of cold die forging by inducing active contact friction forces

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Cited by 10 publications
(5 citation statements)
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“…It should be noted that the obtained results can be correlated with the results obtained at the schemes of compaction with the alternative source of the process intensifiers as ultrasound, electric or magnetic pulses [43,[85][86][87][88][89][90][91][92][93]. In all of the cases, the better results can be achieved for the materials of transition metals group (Fe, Cr, Ni) that have an uncompensated spin in compounds for the formation of an adhesive bond.…”
Section: Discussionmentioning
confidence: 58%
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“…It should be noted that the obtained results can be correlated with the results obtained at the schemes of compaction with the alternative source of the process intensifiers as ultrasound, electric or magnetic pulses [43,[85][86][87][88][89][90][91][92][93]. In all of the cases, the better results can be achieved for the materials of transition metals group (Fe, Cr, Ni) that have an uncompensated spin in compounds for the formation of an adhesive bond.…”
Section: Discussionmentioning
confidence: 58%
“…Apart from the combination of stresses, the crucial factor affecting forming is the friction coefficient µ between the interacting surfaces of the wall and powder preform-die-wall friction [64,65]. When µ is below a certain value, increasing τ results in unwanted slipping between the tool and the powder preform surface that breaks the process [43]. The diagram shows two example values of µ that in effect put a limit on increasing τ.…”
Section: Coefficient Of Frictionmentioning
confidence: 99%
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“…Отметим, что при уплотнении порошка с использованием схем (рис.1) и пресса (рис.2) реализована идея активного использования сил контактного трения между образцом и инструментом, отмеченная выше при рассмотрении работы [21]. Более весомо эта проблема раскрыта в работе [13].…”
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