2015
DOI: 10.1515/amm-2015-0073
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Design of Controlled Processing Conditions for Drop Forgings Made of Microalloy Steel Grades for Mining Industry

Abstract: Effect of plastic processing and controlled cooling on microstructure and mechanical properties of experimental steel grades with microalloyed with Ti, V and/or Nb, varying in the content of Mo is presented as an offer for mining industry for replacement traditionally heat-treatable hardenability grades. The goal of the work is producing microstructure condition, which after controlled hot forging and direct heat treatment, involving quenching and self-tempering, are meant to provide good combination of mechan… Show more

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Cited by 9 publications
(7 citation statements)
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“…The contents of the microalloying elements in alloys are kept within reasonable limits required from the standpoint of control of the grain-structure evolution due to the interactions of the precipitates with microstructural defects during forging and the subsequent cooling. 12 The incremental character of forging, the thin end, optionally allows continuous-cooling deformation modeling. However, it may be noticed that the hook undergoes a double reduction: during the flattening and finishing of the impression.…”
Section: Discussionmentioning
confidence: 99%
“…The contents of the microalloying elements in alloys are kept within reasonable limits required from the standpoint of control of the grain-structure evolution due to the interactions of the precipitates with microstructural defects during forging and the subsequent cooling. 12 The incremental character of forging, the thin end, optionally allows continuous-cooling deformation modeling. However, it may be noticed that the hook undergoes a double reduction: during the flattening and finishing of the impression.…”
Section: Discussionmentioning
confidence: 99%
“…It is known that sometimes prior to preliminary and final stamping such forging operations like flatting, broaching or fullering may be used [8]. Implementation of the process with a greater number of parts is accompanied by an increase in the width of the forging space that leads to application of power consuming equipment of higher capacity.…”
Section: Analysis Of Literary Sources and The Problem Settingmentioning
confidence: 99%
“…[ 5 , 6 , 7 ]. For that reason, die forgings obtained on presses characterize in a much larger dimensional and shape precision as well as quality compared to forgings obtained on hammers [ 8 , 9 , 10 , 11 ]. In the case of die forging on mechanical presses, crank presses are those usually used, mostly owing to their high efficiency with a relatively high precision of the obtained forged products [ 12 ].…”
Section: Introductionmentioning
confidence: 99%